{"id":72779,"date":"2013-05-20T11:24:37","date_gmt":"2013-05-20T03:24:37","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/piezoceramics-faqs\/"},"modified":"2026-03-12T09:30:07","modified_gmt":"2026-03-12T14:30:07","slug":"piezoceramics-faqs","status":"publish","type":"page","link":"https:\/\/www.bjultrasonic.com\/vi\/piezoceramics-faqs\/","title":{"rendered":"C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 G\u1ed1m \u00e1p \u0111i\u1ec7n"},"content":{"rendered":"<p><a href=\"https:\/\/www.bjultrasonic.com\/vi\/category\/piezoelectric-ceramic-vi\/\">G\u1ed1m \u00e1p \u0111i\u1ec7n<\/a>, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 g\u1ed1m piezoelectric, l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u ch\u1ee9c n\u0103ng th\u1ec3 hi\u1ec7n hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ch\u00fang c\u00f3 th\u1ec3 t\u1ea1o ra \u0111i\u1ec7n t\u00edch khi ch\u1ecbu \u00e1p l\u1ef1c c\u01a1 h\u1ecdc (hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n tr\u1ef1c ti\u1ebfp) v\u00e0 ng\u01b0\u1ee3c l\u1ea1i, ch\u00fang c\u00f3 th\u1ec3 bi\u1ebfn d\u1ea1ng khi m\u1ed9t \u0111i\u1ec7n tr\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng l\u00ean ch\u00fang (hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n ngh\u1ecbch). Nh\u1eefng \u0111\u1eb7c t\u00ednh \u0111\u1ed9c \u0111\u00e1o n\u00e0y \u0111\u00e3 d\u1eabn \u0111\u1ebfn vi\u1ec7c ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, t\u1eeb c\u1ea3m bi\u1ebfn v\u00e0 b\u1ed9 truy\u1ec1n \u0111\u1ed9ng \u0111\u1ebfn b\u1ed9 chuy\u1ec3n \u0111\u1ed5i v\u00e0 thi\u1ebft b\u1ecb thu ho\u1ea1ch n\u0103ng l\u01b0\u1ee3ng. Hi\u1ec3u v\u1ec1 g\u1ed1m \u00e1p \u0111i\u1ec7n l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho b\u1ea5t k\u1ef3 ai l\u00e0m vi\u1ec7c trong c\u00e1c l\u0129nh v\u1ef1c n\u00e0y. B\u00e0i vi\u1ebft n\u00e0y nh\u1eb1m gi\u1ea3i \u0111\u00e1p m\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p nh\u1ea5t v\u1ec1 g\u1ed1m \u00e1p \u0111i\u1ec7n.<\/p>\n<h3>1. G\u1ed1m \u00e1p \u0111i\u1ec7n ch\u00ednh x\u00e1c l\u00e0 g\u00ec?<\/h3>\n<p>G\u1ed1m \u00e1p \u0111i\u1ec7n l\u00e0 v\u1eadt li\u1ec7u g\u1ed1m \u0111a tinh th\u1ec3 s\u1edf h\u1eefu m\u1ed9t c\u1ea5u tr\u00fac tinh th\u1ec3 c\u1ee5 th\u1ec3 cho ph\u00e9p ch\u00fang th\u1ec3 hi\u1ec7n hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c tinh th\u1ec3 \u0111\u01a1n, c\u00f3 th\u1ec3 \u0111\u1eaft ti\u1ec1n v\u00e0 kh\u00f3 s\u1ea3n xu\u1ea5t, g\u1ed1m \u00e1p \u0111i\u1ec7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u1edbi nhi\u1ec1u h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc kh\u00e1c nhau, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean linh ho\u1ea1t h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p. Lo\u1ea1i g\u1ed1m \u00e1p \u0111i\u1ec7n ph\u1ed5 bi\u1ebfn nh\u1ea5t d\u1ef1a tr\u00ean ch\u00ec zirconate titanate (PZT), m\u1eb7c d\u00f9 c\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf kh\u00f4ng ch\u1ee9a ch\u00ec ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n do lo ng\u1ea1i v\u1ec1 m\u00f4i tr\u01b0\u1eddng. Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i, bi\u1ebfn ch\u00fang th\u00e0nh m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong nhi\u1ec1u c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i.<\/p>\n<h3>2. G\u1ed1m \u00e1p \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n<p>Ch\u1ee9c n\u0103ng c\u1ee7a g\u1ed1m \u00e1p \u0111i\u1ec7n b\u1eaft ngu\u1ed3n t\u1eeb c\u1ea5u tr\u00fac tinh th\u1ec3 \u0111\u1ed9c \u0111\u00e1o c\u1ee7a ch\u00fang, th\u01b0\u1eddng l\u00e0 perovskite. \u1ede tr\u1ea1ng th\u00e1i t\u1ef1 nhi\u00ean, c\u00e1c tinh th\u1ec3 n\u00e0y c\u00f3 c\u00e1c l\u01b0\u1ee1ng c\u1ef1c \u0111i\u1ec7n \u0111\u1ecbnh h\u01b0\u1edbng ng\u1eabu nhi\u00ean, v\u00ec v\u1eady ch\u00fang kh\u00f4ng th\u1ec3 hi\u1ec7n b\u1ea5t k\u1ef3 hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n \u0111\u00e1ng k\u1ec3 n\u00e0o. Tuy nhi\u00ean, trong m\u1ed9t qu\u00e1 tr\u00ecnh g\u1ecdi l\u00e0 &#8216;ph\u00e2n c\u1ef1c&#8217;, v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ti\u1ebfp x\u00fac v\u1edbi m\u1ed9t \u0111i\u1ec7n tr\u01b0\u1eddng m\u1ea1nh \u1edf nhi\u1ec7t \u0111\u1ed9 cao, khi\u1ebfn c\u00e1c l\u01b0\u1ee1ng c\u1ef1c n\u00e0y s\u1eafp x\u1ebfp th\u1eb3ng h\u00e0ng. M\u1ed9t khi ngu\u1ed9i \u0111i, s\u1ef1 s\u1eafp x\u1ebfp n\u00e0y \u0111\u01b0\u1ee3c duy tr\u00ec. Khi \u00e1p l\u1ef1c c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c t\u00e1c \u0111\u1ed9ng l\u00ean g\u1ed1m \u00e1p \u0111i\u1ec7n \u0111\u00e3 ph\u00e2n c\u1ef1c, c\u1ea5u tr\u00fac tinh th\u1ec3 bi\u1ebfn d\u1ea1ng, l\u00e0m thay \u0111\u1ed5i s\u1ef1 s\u1eafp x\u1ebfp c\u1ee7a c\u00e1c l\u01b0\u1ee1ng c\u1ef1c v\u00e0 d\u1eabn \u0111\u1ebfn vi\u1ec7c t\u1ea1o ra m\u1ed9t \u0111i\u1ec7n t\u00edch. Ng\u01b0\u1ee3c l\u1ea1i, khi m\u1ed9t \u0111i\u1ec7n tr\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng, n\u00f3 t\u00e1c \u0111\u1ed9ng l\u1ef1c l\u00ean c\u00e1c l\u01b0\u1ee1ng c\u1ef1c, khi\u1ebfn ch\u00fang di chuy\u1ec3n v\u00e0 d\u1eabn \u0111\u1ebfn s\u1ef1 bi\u1ebfn d\u1ea1ng v\u1eadt l\u00fd c\u1ee7a g\u1ed1m.<\/p>\n<p><a href=\"https:\/\/www.bjultrasonic.com\/vi\/category\/piezoelectric-ceramic-vi\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-23778\" src=\"https:\/\/www.bjultrasonic.com\/wp-content\/uploads\/2012\/04\/32115-Piezoceramic-Ring.jpg\" alt=\"32*11*5 Piezoceramic Ring\" width=\"700\" height=\"700\" srcset=\"https:\/\/www.bjultrasonic.com\/wp-content\/uploads\/2012\/04\/32115-Piezoceramic-Ring.jpg 700w, https:\/\/www.bjultrasonic.com\/wp-content\/uploads\/2012\/04\/32115-Piezoceramic-Ring-600x600.jpg 600w, https:\/\/www.bjultrasonic.com\/wp-content\/uploads\/2012\/04\/32115-Piezoceramic-Ring-100x100.jpg 100w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<h3>3. C\u00e1c \u0111\u1eb7c t\u00ednh ch\u00ednh c\u1ee7a g\u1ed1m \u00e1p \u0111i\u1ec7n l\u00e0 g\u00ec?<\/h3>\n<p>M\u1ed9t s\u1ed1 \u0111\u1eb7c t\u00ednh ch\u00ednh \u0111\u1eb7c tr\u01b0ng cho hi\u1ec7u su\u1ea5t c\u1ee7a g\u1ed1m \u00e1p \u0111i\u1ec7n. Hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p cho m\u1ed9t \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3. M\u1ed9t s\u1ed1 \u0111\u1eb7c t\u00ednh ch\u00ednh bao g\u1ed3m:<\/p>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th align=\"left\">\u0110\u1eb7c t\u00ednh<\/th>\n<th align=\"left\">M\u00f4 t\u1ea3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td align=\"left\">H\u1ec7 s\u1ed1 \u00c1p \u0111i\u1ec7n<\/td>\n<td align=\"left\">L\u01b0\u1ee3ng \u0111i\u1ec7n t\u00edch \u0111\u01b0\u1ee3c t\u1ea1o ra tr\u00ean m\u1ed9t \u0111\u01a1n v\u1ecb \u1ee9ng su\u1ea5t (h\u1eb1ng s\u1ed1 d) ho\u1eb7c l\u01b0\u1ee3ng bi\u1ebfn d\u1ea1ng \u0111\u01b0\u1ee3c t\u1ea1o ra tr\u00ean m\u1ed9t \u0111\u01a1n v\u1ecb \u0111i\u1ec7n tr\u01b0\u1eddng (h\u1eb1ng s\u1ed1 g). Gi\u00e1 tr\u1ecb cao h\u01a1n c\u00f3 ngh\u0129a l\u00e0 hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n.<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">H\u1eb1ng s\u1ed1 \u0110i\u1ec7n m\u00f4i<\/td>\n<td align=\"left\">Ch\u1ec9 ra kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n c\u1ee7a v\u1eadt li\u1ec7u. H\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i cao th\u01b0\u1eddng l\u00e0 mong mu\u1ed1n.<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">Nhi\u1ec7t \u0111\u1ed9 Curie<\/td>\n<td align=\"left\">Nhi\u1ec7t \u0111\u1ed9 m\u00e0 t\u1ea1i \u0111\u00f3 v\u1eadt li\u1ec7u m\u1ea5t \u0111i c\u00e1c \u0111\u1eb7c t\u00ednh \u00e1p \u0111i\u1ec7n. Nhi\u1ec7t \u0111\u1ed9 \u1ee9ng d\u1ee5ng n\u00ean th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 gi\u00e1 tr\u1ecb n\u00e0y.<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">H\u1ec7 s\u1ed1 Ch\u1ea5t l\u01b0\u1ee3ng C\u01a1 h\u1ecdc<\/td>\n<td align=\"left\">M\u00f4 t\u1ea3 hi\u1ec7u qu\u1ea3 c\u1ee7a v\u1eadt li\u1ec7u trong vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng, Q cao h\u01a1n cho th\u1ea5y t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng th\u1ea5p h\u01a1n trong qu\u00e1 tr\u00ecnh rung \u0111\u1ed9ng.<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">H\u1ec7 s\u1ed1 Gh\u00e9p n\u1ed1i<\/td>\n<td align=\"left\">\u0110\u1ea1i di\u1ec7n cho hi\u1ec7u qu\u1ea3 chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n c\u01a1. Gi\u00e1 tr\u1ecb cao h\u01a1n cho th\u1ea5y hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i t\u1ed1t h\u01a1n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>4. C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a g\u1ed1m \u00e1p \u0111i\u1ec7n l\u00e0 g\u00ec?<\/h3>\n<p>G\u1ed1m \u00e1p \u0111i\u1ec7n \u0111\u00e3 t\u00ecm th\u1ea5y m\u1ed9t lo\u1ea1t c\u00e1c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1edd kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc v\u00e0 \u0111i\u1ec7n n\u0103ng. M\u1ed9t s\u1ed1 c\u00f4ng d\u1ee5ng \u0111\u00e1ng ch\u00fa \u00fd bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>C\u1ea3m bi\u1ebfn:<\/strong> Ph\u00e1t hi\u1ec7n \u00e1p su\u1ea5t, l\u1ef1c, gia t\u1ed1c v\u00e0 rung \u0111\u1ed9ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, ch\u1eb3ng h\u1ea1n nh\u01b0 thi\u1ebft b\u1ecb y t\u1ebf, c\u1ea3m bi\u1ebfn \u00f4 t\u00f4 v\u00e0 gi\u00e1m s\u00e1t s\u1ee9c kh\u1ecfe k\u1ebft c\u1ea5u.<\/li>\n<li><strong>B\u1ed9 truy\u1ec1n \u0111\u1ed9ng:<\/strong> \u0110i\u1ec1u khi\u1ec3n ch\u00ednh x\u00e1c chuy\u1ec3n \u0111\u1ed9ng, \u0111\u1ecbnh v\u1ecb v\u00e0 d\u1ecbch chuy\u1ec3n trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 m\u00e1y in phun, v\u00f2i phun nhi\u00ean li\u1ec7u v\u00e0 robot si\u00eau nh\u1ecf.<\/li>\n<li><strong>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i:<\/strong> Chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n th\u00e0nh rung \u0111\u1ed9ng c\u01a1 h\u1ecdc \u0111\u1ec3 l\u00e0m s\u1ea1ch si\u00eau \u00e2m, h\u00e0n v\u00e0 ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y. V\u00ed d\u1ee5, Beijing Ultrasonic s\u1eed d\u1ee5ng PZT ch\u1ea5t l\u01b0\u1ee3ng cao cho c\u00e1c <a href=\"https:\/\/www.bjultrasonic.com\/vi\/category\/ultrasonic-transducer-vi\/\">b\u1ed9 chuy\u1ec3n \u0111\u1ed5i<\/a> c\u1ee7a m\u00ecnh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u trong <a href=\"https:\/\/www.bjultrasonic.com\/vi\/category\/ultrasonic-cleaning-system-vi\/\">thi\u1ebft b\u1ecb l\u00e0m s\u1ea1ch si\u00eau \u00e2m<\/a> c\u1ee7a h\u1ecd.<\/li>\n<li><strong>Thu ho\u1ea1ch N\u0103ng l\u01b0\u1ee3ng:<\/strong> Chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc (nh\u01b0 rung \u0111\u1ed9ng ho\u1eb7c chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi) th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c thi\u1ebft b\u1ecb nh\u1ecf.<\/li>\n<li><strong>H\u00ecnh \u1ea3nh Y t\u1ebf:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u1ea7u d\u00f2 si\u00eau \u00e2m \u0111\u1ec3 t\u1ea1o h\u00ecnh \u1ea3nh c\u1ee7a c\u00e1c c\u01a1 quan v\u00e0 m\u00f4 b\u00ean trong.<\/li>\n<li><strong>Thi\u1ebft b\u1ecb \u00c2m thanh:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong loa, micro v\u00e0 c\u00f2i b\u00e1o.<\/li>\n<\/ul>\n<h3>5. L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng g\u1ed1m \u00e1p \u0111i\u1ec7n l\u00e0 g\u00ec?<\/h3>\n<p>Vi\u1ec7c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i g\u1ed1m \u00e1p \u0111i\u1ec7n l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a nhi\u1ec1u l\u1ee3i \u00edch c\u1ee7a ch\u00fang:<\/p>\n<ul>\n<li><strong>\u0110\u1ed9 nh\u1ea1y cao:<\/strong> Ch\u00fang ph\u1ea3n \u1ee9ng r\u1ea5t nh\u1ea1y ngay c\u1ea3 v\u1edbi nh\u1eefng thay \u0111\u1ed5i nh\u1ecf v\u1ec1 \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc ho\u1eb7c \u0111i\u1ec7n tr\u01b0\u1eddng.<\/li>\n<li><strong>Th\u1eddi gian \u0111\u00e1p \u1ee9ng nhanh:<\/strong> Ch\u00fang c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng nhanh ch\u00f3ng v\u1edbi \u1ee9ng su\u1ea5t ho\u1eb7c \u0111i\u1ec7n tr\u01b0\u1eddng t\u00e1c d\u1ee5ng.<\/li>\n<li><strong>\u0110\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 \u0111\u1ed9 c\u1ee9ng cao:<\/strong> Ch\u00fang c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc \u0111\u00e1ng k\u1ec3.<\/li>\n<li><strong>D\u1ea3i nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng r\u1ed9ng:<\/strong> M\u1ed9t s\u1ed1 c\u00f4ng th\u1ee9c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ef1c \u0111oan.<\/li>\n<li><strong>H\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc \u0111a d\u1ea1ng:<\/strong> Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t d\u01b0\u1edbi nhi\u1ec1u d\u1ea1ng kh\u00e1c nhau cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng quy m\u00f4:<\/strong> D\u1ec5 d\u00e0ng s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t, l\u00e0m cho ch\u00fang c\u00f3 hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed cho vi\u1ec7c s\u1eed d\u1ee5ng quy m\u00f4 l\u1edbn.<\/li>\n<\/ul>\n<h3>6. Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng g\u1ed1m \u00e1p \u0111i\u1ec7n l\u00e0 g\u00ec?<\/h3>\n<p>B\u00ean c\u1ea1nh nh\u1eefng \u01b0u \u0111i\u1ec3m, g\u1ed1m \u00e1p \u0111i\u1ec7n c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/p>\n<ul>\n<li><strong>\u0110\u1ed9 gi\u00f2n:<\/strong> Ch\u00fang l\u00e0 v\u1eadt li\u1ec7u g\u1ed1m v\u00e0 d\u1ec5 b\u1ecb n\u1ee9t d\u01b0\u1edbi \u1ee9ng su\u1ea5t c\u01a1 h\u1ecdc.<\/li>\n<li><strong>Bi\u1ebfn d\u1ea1ng h\u1ea1n ch\u1ebf:<\/strong> G\u1ed1m \u00e1p \u0111i\u1ec7n ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c chuy\u1ec3n v\u1ecb nh\u1ecf, v\u00ec v\u1eady ch\u00fang c\u00f3 th\u1ec3 kh\u00f4ng ph\u00f9 h\u1ee3p cho c\u00e1c chuy\u1ec3n \u0111\u1ed9ng l\u1edbn.<\/li>\n<li><strong>\u0110\u1ed9 nh\u1ea1y nhi\u1ec7t:<\/strong> Hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 suy gi\u1ea3m \u1edf nhi\u1ec7t \u0111\u1ed9 cao do ti\u1ebfn g\u1ea7n \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 Curie.<\/li>\n<li><strong>Hi\u1ec7n t\u01b0\u1ee3ng tr\u1ec5:<\/strong> Ch\u00fang bi\u1ec3u hi\u1ec7n m\u1ed9t s\u1ed1 \u0111\u1ed9 tr\u1ec5 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn sai s\u1ed1 trong \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n v\u1ecb.<\/li>\n<li><strong>H\u00e0m l\u01b0\u1ee3ng ch\u00ec:<\/strong> G\u1ed1m PZT truy\u1ec1n th\u1ed1ng ch\u1ee9a ch\u00ec g\u00e2y nguy h\u1ea1i cho m\u00f4i tr\u01b0\u1eddng. \u0110i\u1ec1u n\u00e0y \u0111\u00e3 th\u00fac \u0111\u1ea9y nghi\u00ean c\u1ee9u v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf kh\u00f4ng ch\u00ec.<\/li>\n<\/ul>\n<h3>7. C\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf kh\u00f4ng ch\u00ec cho g\u1ed1m PZT l\u00e0 g\u00ec?<\/h3>\n<p>Lo ng\u1ea1i v\u1ec1 \u0111\u1ed9c t\u00ednh c\u1ee7a ch\u00ec trong PZT \u0111\u00e3 th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a g\u1ed1m \u00e1p \u0111i\u1ec7n kh\u00f4ng ch\u00ec. M\u1ed9t s\u1ed1 gi\u1ea3i ph\u00e1p thay th\u1ebf h\u1ee9a h\u1eb9n nh\u1ea5t bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Bari Titanat (BaTiO3):<\/strong> M\u1ed9t trong nh\u1eefng g\u1ed1m \u00e1p \u0111i\u1ec7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n, nh\u01b0ng c\u00f3 t\u00ednh ch\u1ea5t \u00e1p \u0111i\u1ec7n th\u1ea5p h\u01a1n PZT.<\/li>\n<li><strong>Kali Niobat (KNbO3):<\/strong> Th\u1ec3 hi\u1ec7n t\u00ednh ch\u1ea5t \u00e1p \u0111i\u1ec7n t\u1ed1t nh\u01b0ng kh\u00f3 t\u1ed5ng h\u1ee3p.<\/li>\n<li><strong>Natri Niobat (NaNbO3):<\/strong> M\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf t\u01b0\u01a1ng \u0111\u1ed1i m\u1edbi v\u1edbi hi\u1ec7u su\u1ea5t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n.<\/li>\n<li><strong>Bismuth Ferrit (BiFeO3):<\/strong> Th\u1ec3 hi\u1ec7n t\u00ednh ch\u1ea5t \u0111a s\u1eaft t\u1eeb h\u1ee9a h\u1eb9n, c\u00f3 th\u1ec3 c\u00f3 l\u1ee3i trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng.<\/li>\n<\/ul>\n<p>S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y \u0111ang kh\u00f4ng ng\u1eebng ti\u1ebfn tri\u1ec3n, v\u00e0 c\u00e1c lo\u1ea1i g\u1ed1m \u00e1p \u0111i\u1ec7n kh\u00f4ng ch\u00ec m\u1edbi v\u1edbi t\u00ednh ch\u1ea5t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n li\u00ean t\u1ee5c \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u.<\/p>\n<h3>8. G\u1ed1m \u00e1p \u0111i\u1ec7n \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n<p>Quy tr\u00ecnh s\u1ea3n xu\u1ea5t g\u1ed1m \u00e1p \u0111i\u1ec7n bao g\u1ed3m m\u1ed9t s\u1ed1 b\u01b0\u1edbc ch\u00ednh:<\/p>\n<ol>\n<li><strong>T\u1ed5ng h\u1ee3p b\u1ed9t:<\/strong> C\u00e1c nguy\u00ean li\u1ec7u th\u00f4 nh\u01b0 oxit v\u00e0 cacbonat \u0111\u01b0\u1ee3c tr\u1ed9n v\u00e0 nung \u1edf nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 t\u1ea1o th\u00e0nh b\u1ed9t g\u1ed1m mong mu\u1ed1n.<\/li>\n<li><strong>\u0110\u1ecbnh h\u00ecnh:<\/strong> B\u1ed9t \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi ch\u1ea5t k\u1ebft d\u00ednh v\u00e0 \u00e9p th\u00e0nh h\u00ecnh d\u1ea1ng mong mu\u1ed1n b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau nh\u01b0 \u00e9p khu\u00f4n ho\u1eb7c \u0111\u00f9n.<\/li>\n<li><strong>Thi\u00eau k\u1ebft:<\/strong> G\u1ed1m \u0111\u00e3 \u0111\u1ecbnh h\u00ecnh \u0111\u01b0\u1ee3c nung n\u00f3ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 l\u00e0m \u0111\u1eb7c v\u1eadt li\u1ec7u v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a n\u00f3.<\/li>\n<li><strong>Ph\u00e2n c\u1ef1c:<\/strong> V\u1eadt li\u1ec7u \u0111\u00e3 thi\u00eau k\u1ebft \u0111\u01b0\u1ee3c \u0111\u1eb7t trong m\u1ed9t \u0111i\u1ec7n tr\u01b0\u1eddng m\u1ea1nh \u1edf nhi\u1ec7t \u0111\u1ed9 cao \u0111\u1ec3 s\u1eafp x\u1ebfp c\u00e1c l\u01b0\u1ee1ng c\u1ef1c v\u00e0 t\u1ea1o ra t\u00ednh ch\u1ea5t \u00e1p \u0111i\u1ec7n.<\/li>\n<li><strong>G\u1eafn \u0111i\u1ec7n c\u1ef1c:<\/strong> C\u00e1c \u0111i\u1ec7n c\u1ef1c \u0111\u01b0\u1ee3c ph\u1ee7 l\u00ean b\u1ec1 m\u1eb7t g\u1ed1m \u0111\u1ec3 cho ph\u00e9p \u00e1p d\u1ee5ng \u0111i\u1ec7n tr\u01b0\u1eddng v\u00e0 ph\u00e1t hi\u1ec7n \u0111i\u1ec7n t\u00edch.<\/li>\n<\/ol>\n<h3>9. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn lo\u1ea1i g\u1ed1m \u00e1p \u0111i\u1ec7n ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng c\u1ee7a t\u00f4i?<\/h3>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn lo\u1ea1i g\u1ed1m \u00e1p \u0111i\u1ec7n ph\u00f9 h\u1ee3p cho m\u1ed9t \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 \u0111\u00f2i h\u1ecfi ph\u1ea3i xem x\u00e9t c\u1ea9n th\u1eadn m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1:<\/p>\n<ul>\n<li><strong>\u0110i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh:<\/strong> Nhi\u1ec7t \u0111\u1ed9, t\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng v\u00e0 m\u1ee9c \u0111\u1ed9 \u1ee9ng su\u1ea5t l\u00e0 nh\u1eefng c\u00e2n nh\u1eafc ch\u00ednh.<\/li>\n<li><strong>T\u00ednh ch\u1ea5t mong mu\u1ed1n:<\/strong> H\u1ec7 s\u1ed1 \u00e1p \u0111i\u1ec7n, h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i v\u00e0 h\u1ec7 s\u1ed1 gh\u00e9p n\u1ed1i ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u c\u1ee7a \u1ee9ng d\u1ee5ng.<\/li>\n<li><strong>Y\u00eau c\u1ea7u v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng:<\/strong> K\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a thi\u1ebft b\u1ecb s\u1ebd quy\u1ebft \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc c\u1ee7a g\u1ed1m \u00e1p \u0111i\u1ec7n.<\/li>\n<li><strong>Ng\u00e2n s\u00e1ch:<\/strong> C\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau c\u00f3 chi ph\u00ed s\u1ea3n xu\u1ea5t kh\u00e1c nhau c\u1ea7n \u0111\u01b0\u1ee3c t\u00ednh \u0111\u1ebfn.<\/li>\n<li><strong>Y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng:<\/strong> C\u00e1c l\u1ef1a ch\u1ecdn kh\u00f4ng ch\u00ec n\u00ean \u0111\u01b0\u1ee3c xem x\u00e9t n\u1ebfu quan t\u00e2m \u0111\u1ebfn t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng.<\/li>\n<\/ul>\n<p>Tham kh\u1ea3o \u00fd ki\u1ebfn chuy\u00ean gia v\u1eadt li\u1ec7u v\u00e0 th\u1eed nghi\u1ec7m c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nhau c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ed1t nh\u1ea5t cho \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.<\/p>\n<h3>10. M\u1ed9t s\u1ed1 ti\u1ebfn b\u1ed9 m\u1edbi nh\u1ea5t trong nghi\u00ean c\u1ee9u g\u1ed1m \u00e1p \u0111i\u1ec7n l\u00e0 g\u00ec?<\/h3>\n<p>L\u0129nh v\u1ef1c g\u1ed1m \u00e1p \u0111i\u1ec7n kh\u00f4ng ng\u1eebng ph\u00e1t tri\u1ec3n, v\u1edbi c\u00e1c nghi\u00ean c\u1ee9u \u0111ang \u0111\u01b0\u1ee3c t\u1eadp trung v\u00e0o:<\/p>\n<ul>\n<li><strong>Ph\u00e1t tri\u1ec3n v\u1eadt li\u1ec7u kh\u00f4ng ch\u00ec m\u1edbi:<\/strong> Kh\u00e1m ph\u00e1 c\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 k\u1ef9 thu\u1eadt x\u1eed l\u00fd m\u1edbi \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u1ee7a g\u1ed1m \u00e1p \u0111i\u1ec7n kh\u00f4ng ch\u00ec.<\/li>\n<li><strong>C\u1ea3i thi\u1ec7n t\u00ednh ch\u1ea5t \u00e1p \u0111i\u1ec7n:<\/strong> N\u00e2ng cao h\u1ec7 s\u1ed1 \u00e1p \u0111i\u1ec7n, h\u1ec7 s\u1ed1 gh\u00e9p n\u1ed1i v\u00e0 h\u1ec7 s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng c\u01a1 h\u1ecdc c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u hi\u1ec7n c\u00f3.<\/li>\n<li><strong>T\u1ea1o g\u1ed1m \u00e1p \u0111i\u1ec7n k\u00edch th\u01b0\u1edbc nano:<\/strong> Ch\u1ebf t\u1ea1o c\u00e1c c\u1ea5u tr\u00fac g\u1ed1m \u00e1p \u0111i\u1ec7n k\u00edch th\u01b0\u1edbc nano cho \u1ee9ng d\u1ee5ng trong h\u1ec7 th\u1ed1ng vi c\u01a1 \u0111i\u1ec7n t\u1eed (MEMS) v\u00e0 thi\u1ebft b\u1ecb nano.<\/li>\n<li><strong>C\u1ea5u tr\u00fac nhi\u1ec1u l\u1edbp v\u00e0 composite:<\/strong> Thi\u1ebft k\u1ebf c\u00e1c c\u1ea5u tr\u00fac nhi\u1ec1u l\u1edbp m\u1edbi \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t b\u1ed9 truy\u1ec1n \u0111\u1ed9ng v\u00e0 kh\u00e1m ph\u00e1 v\u1eadt li\u1ec7u composite g\u1ed1m-polyme \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 linh ho\u1ea1t.<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng thu ho\u1ea1ch n\u0103ng l\u01b0\u1ee3ng:<\/strong> Ph\u00e1t tri\u1ec3n c\u00e1c v\u1eadt li\u1ec7u hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ec1n v\u1eefng h\u01a1n \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i rung \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng v\u00e0 n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc th\u00e0nh \u0111i\u1ec7n n\u0103ng.<\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, piezoceramic l\u00e0 v\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 thi\u1ebfu trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u1edd \u0111\u1eb7c t\u00ednh \u00e1p \u0111i\u1ec7n \u0111\u00e1ng ch\u00fa \u00fd c\u1ee7a ch\u00fang. Trong khi c\u00e1c v\u1eadt li\u1ec7u PZT truy\u1ec1n th\u1ed1ng \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i, nhu c\u1ea7u v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf kh\u00f4ng ch\u1ee9a ch\u00ec ti\u1ebfp t\u1ee5c th\u00fac \u0111\u1ea9y s\u1ef1 \u0111\u1ed5i m\u1edbi trong l\u0129nh v\u1ef1c n\u00e0y. Hi\u1ec3u r\u00f5 t\u00ednh ch\u1ea5t, \u01b0u \u0111i\u1ec3m, h\u1ea1n ch\u1ebf v\u00e0 xu h\u01b0\u1edbng nghi\u00ean c\u1ee9u m\u1edbi nh\u1ea5t l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 c\u00e1c v\u1eadt li\u1ec7u linh ho\u1ea1t n\u00e0y trong m\u1ed9t lo\u1ea1t c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7. D\u00f9 l\u00e0 \u0111\u1ec3 \u0111o l\u01b0\u1eddng c\u1ea3m bi\u1ebfn ch\u00ednh x\u00e1c, ki\u1ec3m so\u00e1t b\u1ed9 truy\u1ec1n \u0111\u1ed9ng ch\u00ednh x\u00e1c hay thu ho\u1ea1ch n\u0103ng l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3, piezoceramic s\u1ebd v\u1eabn \u1edf v\u1ecb tr\u00ed ti\u00ean phong trong khoa h\u1ecdc v\u1eadt li\u1ec7u v\u00e0 k\u1ef9 thu\u1eadt.<\/p>\n<ul class=\"sitemap\">\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/the-frequency-limit-of-a-piezoceramic-sheet-and-some-properties\/\"> Gi\u1edbi H\u1ea1n T\u1ea7n S\u1ed1 C\u1ee7a T\u1ea5m G\u1ed1m \u00c1p \u0110i\u1ec7n<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/piezo-ceramics-reason-to-the-existence-of-piezoelectricity\/\"> Hi\u1ec7n T\u01b0\u1ee3ng \u00c1p \u0110i\u1ec7n Ho\u1ea1t \u0110\u1ed9ng Nh\u01b0 Th\u1ebf N\u00e0o<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/what-is-the-process-of-bonding-wires-to-piezoceramic-surface\/\"> C\u00e1ch H\u00e0n D\u00e2y V\u00e0o B\u1ec1 M\u1eb7t G\u1ed1m \u00c1p \u0110i\u1ec7n<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/the-possibility-of-using-piezoceramic-sheet-in-strain-gage\/\"> T\u1ea5m G\u1ed1m \u00c1p \u0110i\u1ec7n C\u00f3 Th\u1ec3 D\u00f9ng L\u00e0m C\u1ea3m Bi\u1ebfn Bi\u1ebfn D\u1ea1ng Kh\u00f4ng<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/is-there-any-truth-to-piezoceramic-sheets-being-really-fragile\/\"> T\u1ea5m G\u1ed1m \u00c1p \u0110i\u1ec7n C\u00f3 D\u1ec5 V\u1ee1 Kh\u00f4ng<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/is-there-any-truth-to-piezoceramic-sheet-picking-up-vibrations-in-machinery\/\"> T\u1ea5m G\u1ed1m \u00c1p \u0110i\u1ec7n C\u00f3 Th\u1ec3 D\u00f9ng \u0110\u1ec3 Ph\u00e1t Hi\u1ec7n Rung \u0110\u1ed9ng Trong M\u00e1y M\u00f3c Kh\u00f4ng<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/what-is-the-process-of-accessing-the-center-shim\/\"> C\u00e1ch Ti\u1ebfp C\u1eadn T\u1ea5m \u0110\u1ec7m Trung T\u00e2m C\u1ee7a Linh Ki\u1ec7n G\u1ed1m \u00c1p \u0110i\u1ec7n<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/are-the-voltage-outputs-from-piezo-strain-gage-repeatable\/\"> \u0110i\u1ec7n \u00c1p \u0110\u1ea7u Ra T\u1eeb C\u1ea3m Bi\u1ebfn Bi\u1ebfn D\u1ea1ng \u00c1p \u0110i\u1ec7n C\u00f3 L\u1eb7p L\u1ea1i \u0110\u01b0\u1ee3c Kh\u00f4ng<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/what-is-the-typical-amount-of-electrical-power-that-can-be-extracted-from-a-piezo-bender-element\/\"> L\u01b0\u1ee3ng \u0110i\u1ec7n N\u0103ng C\u00f3 Th\u1ec3 Thu \u0110\u01b0\u1ee3c T\u1eeb Ph\u1ea7n T\u1eed U\u1ed1n \u00c1p \u0110i\u1ec7n<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/what-is-a-spice-model-and-is-it-available-for-piezo-sensors\/\"> M\u00f4 H\u00ecnh Spice L\u00e0 G\u00ec V\u00e0 C\u00f3 S\u1eb5n Cho C\u1ea3m Bi\u1ebfn \u00c1p \u0110i\u1ec7n Kh\u00f4ng<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/the-removal-of-the-electrode\/\"> C\u00e1ch Lo\u1ea1i B\u1ecf \u0110i\u1ec7n C\u1ef1c Kh\u1ecfi G\u1ed1m \u00c1p \u0110i\u1ec7n<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/piezo-ceramics-how-to-define-an-electric-field\/\"> G\u1ed1m \u00c1p \u0110i\u1ec7n \u2013 C\u00e1ch \u0110\u1ecbnh Ngh\u0129a \u0110i\u1ec7n Tr\u01b0\u1eddng<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/is-there-any-truth-to-piezo-transducers-being-used-as-static-and-dynamic-force-sensors\/\"> B\u1ed9 Chuy\u1ec3n \u0110\u1ed5i \u00c1p \u0110i\u1ec7n C\u00f3 Th\u1ec3 D\u00f9ng L\u00e0m C\u1ea3m Bi\u1ebfn L\u1ef1c T\u0129nh V\u00e0 \u0110\u1ed9ng Kh\u00f4ng<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/piezo-ceramics-how-to-define-strain\/\"> G\u1ed1m \u00c1p \u0110i\u1ec7n \u2013 C\u00e1ch \u0110\u1ecbnh Ngh\u0129a Bi\u1ebfn D\u1ea1ng<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/after-a-sheet-loses-its-abilities-can-it-berepoled\/\"> Sau Khi T\u1ea5m G\u1ed1m \u00c1p \u0110i\u1ec7n M\u1ea5t Kh\u1ea3 N\u0103ng, N\u00f3 C\u00f3 Th\u1ec3 \u0110\u01b0\u1ee3c T\u00e1i Ph\u00e2n C\u1ef1c Kh\u00f4ng<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/is-there-a-possibility-of-piezo-technology-replacing-magnetic-technology-anytime-in-the-future\/\"> C\u00f4ng Ngh\u1ec7 \u00c1p \u0110i\u1ec7n S\u1ebd Thay Th\u1ebf C\u00f4ng Ngh\u1ec7 T\u1eeb T\u00ednh Kh\u00f4ng<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/how-can-poling-and-depoling-in-piezoceramic-materials\/\"> Qu\u00e1 Tr\u00ecnh Ph\u00e2n C\u1ef1c V\u00e0 Kh\u1eed C\u1ef1c Trong V\u1eadt Li\u1ec7u G\u1ed1m \u00c1p \u0110i\u1ec7n<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/is-there-one-resonant-frequency-from-a-piezoceramic-sheet\/\"> C\u00f3 Ph\u1ea3i Ch\u1ec9 C\u00f3 M\u1ed9t T\u1ea7n S\u1ed1 C\u1ed9ng H\u01b0\u1edfng T\u1eeb T\u1ea5m G\u1ed1m \u00c1p \u0110i\u1ec7n<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/what-is-the-amount-of-mechanical-power-that-can-be-acquired-from-one-sheet\/\"> L\u01b0\u1ee3ng C\u00f4ng Su\u1ea5t C\u01a1 H\u1ecdc C\u00f3 Th\u1ec3 Thu \u0110\u01b0\u1ee3c T\u1eeb M\u1ed9t T\u1ea5m G\u1ed1m \u00c1p \u0110i\u1ec7n<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/what-is-the-process-of-bonding-piezoceramic-to-different-structures\/\"> Quy Tr\u00ecnh G\u1eafn G\u1ed1m \u00c1p \u0110i\u1ec7n V\u00e0o C\u00e1c C\u1ea5u Tr\u00fac Kh\u00e1c Nhau<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/piezo-ceramics-how-to-explain-thepyroelectric-effect\/\"> G\u1ed1m \u00c1p \u0110i\u1ec7n \u2013 C\u00e1ch Gi\u1ea3i Th\u00edch Hi\u1ec7u \u1ee8ng Nhi\u1ec7t \u0110i\u1ec7n<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/what-is-the-distance-a-sheet-can-stretch-before-it-completely-breaks\/\"> Kho\u1ea3ng C\u00e1ch M\u1ed9t T\u1ea5m G\u1ed1m \u00c1p \u0110i\u1ec7n C\u00f3 Th\u1ec3 K\u00e9o D\u00e3n Tr\u01b0\u1edbc Khi V\u1ee1 Ho\u00e0n To\u00e0n<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/are-piezo-devices-used-in-everyday-objects\/\"> Thi\u1ebft B\u1ecb \u00c1p \u0110i\u1ec7n C\u00f3 \u0110\u01b0\u1ee3c S\u1eed D\u1ee5ng Trong C\u00e1c V\u1eadt D\u1ee5ng H\u00e0ng Ng\u00e0y Kh\u00f4ng<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/what-is-the-process-of-attaching-a-bender-element\/\"> C\u00e1ch G\u1eafn Ph\u1ea7n T\u1eed U\u1ed1n \u00c1p \u0110i\u1ec7n<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/will-superglue-do-the-trick\/\"> G\u1ed1m \u00c1p \u0110i\u1ec7n \u2013 Keo Si\u00eau D\u00ednh C\u00f3 D\u00f9ng \u0110\u01b0\u1ee3c Kh\u00f4ng<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/what-is-the-exact-amount-of-power-that-can-derived-from-a-piezosheet\/\"> C\u00f3 Bao Nhi\u00eau C\u00f4ng Su\u1ea5t C\u00f3 Th\u1ec3 Thu \u0110\u01b0\u1ee3c T\u1eeb M\u1ed9t T\u1ea5m G\u1ed1m \u00c1p \u0110i\u1ec7n<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/what-is-the-process-of-making-electrical-contact-on-the-piezoceramicside-attached-downwards\/\"> Quy Tr\u00ecnh T\u1ea1o Ti\u1ebfp \u0110i\u1ec7n \u1ede M\u1eb7t G\u1ed1m \u00c1p \u0110i\u1ec7n \u0110\u01b0\u1ee3c G\u1eafn H\u01b0\u1edbng Xu\u1ed1ng<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/piezo-ceramics-how-can-damping-be-explained\/\"> G\u1ed1m \u00c1p \u0110i\u1ec7n \u2013 T\u1ed5ng Quan V\u1ec1 Gi\u1ea3m Ch\u1ea5n<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/what-is-the-distance-a-bimorph-can-be-extended-before-it-breaks\/\"> Kho\u1ea3ng C\u00e1ch M\u1ed9t Bimorph C\u00f3 Th\u1ec3 K\u00e9o D\u00e3n Tr\u01b0\u1edbc Khi V\u1ee1<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/what-is-the-process-of-cutting-up-a-sheetofpiezoceramic-into-desirable-sizes\/\"> C\u00e1ch C\u1eaft T\u1ea5m G\u1ed1m \u00c1p \u0110i\u1ec7n Th\u00e0nh K\u00edch Th\u01b0\u1edbc Mong Mu\u1ed1n<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/piezo-ceramics-the-definition-of-tensile-strength\/\"> G\u1ed1m \u00c1p \u0110i\u1ec7n \u2013 \u0110\u1ecbnh Ngh\u0129a \u0110\u1ed9 B\u1ec1n K\u00e9o<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/does-the-motion-of-a-piezo-actuator-actually-repeat-itself\/\"> Chuy\u1ec3n \u0110\u1ed9ng C\u1ee7a B\u1ed9 Truy\u1ec1n \u0110\u1ed9ng \u00c1p \u0110i\u1ec7n C\u00f3 Th\u1ef1c S\u1ef1 L\u1eb7p L\u1ea1i Kh\u00f4ng<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/what-is-the-process-of-eliminating-vibration-through-piezoceramics\/\"> C\u00e1ch Lo\u1ea1i B\u1ecf Rung \u0110\u1ed9ng B\u1eb1ng G\u1ed1m \u00c1p \u0110i\u1ec7n<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/piezo-ceramics-how-can-the-youngs-modulus-be-defined\/\"> G\u1ed1m \u00c1p \u0110i\u1ec7n \u2013 C\u00f3 Th\u1ec3 \u0110\u1ecbnh Ngh\u0129a M\u00f4-\u0111un \u0110\u00e0n H\u1ed3i Nh\u01b0 Th\u1ebf N\u00e0o<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/is-there-a-possibility-of-using-piezoceramic-actuators-at-cryogenic-temperatures\/\"> Ch\u00fang Ta C\u00f3 Th\u1ec3 S\u1eed D\u1ee5ng B\u1ed9 Truy\u1ec1n \u0110\u1ed9ng \u00c1p \u0110i\u1ec7n \u1ede Nhi\u1ec7t \u0110\u1ed9 C\u1ef1c Th\u1ea5p Kh\u00f4ng<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/how-does-temperature-effectpiezoceramic-transducers\/\"> Nhi\u1ec7t \u0110\u1ed9 \u1ea2nh H\u01b0\u1edfng \u0110\u1ebfn B\u1ed9 Chuy\u1ec3n \u0110\u1ed5i G\u1ed1m \u00c1p \u0110i\u1ec7n Nh\u01b0 Th\u1ebf N\u00e0o<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/the-expected-life-of-piezoelectric-material\/\"> Tu\u1ed5i Th\u1ecd D\u1ef1 Ki\u1ebfn C\u1ee7a V\u1eadt Li\u1ec7u \u00c1p \u0110i\u1ec7n<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/the-amount-of-highest-voltage-that-can-driven-through-a-piezoceramic-sheet\/\"> \u0110i\u1ec7n \u00c1p Cao Nh\u1ea5t C\u00f3 Th\u1ec3 \u0110\u01b0a Qua M\u1ed9t T\u1ea5m G\u1ed1m \u00c1p \u0110i\u1ec7n<\/a><\/li>\n<li><a href=\"https:\/\/www.bjultrasonic.com\/vi\/is-there-a-way-through-which-a-piezo-transducer-can-drive-with-a-square-wave\/\"> C\u00e1ch \u0110i\u1ec1u Khi\u1ec3n B\u1ed9 Chuy\u1ec3n \u0110\u1ed5i \u00c1p \u0110i\u1ec7n B\u1eb1ng S\u00f3ng Vu\u00f4ng<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>G\u1ed1m \u00e1p \u0111i\u1ec7n, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 g\u1ed1m piezoelectric, l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u ch\u1ee9c n\u0103ng th\u1ec3 hi\u1ec7n hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ch\u00fang c\u00f3 th\u1ec3 t\u1ea1o ra \u0111i\u1ec7n t\u00edch khi ch\u1ecbu \u00e1p l\u1ef1c c\u01a1 h\u1ecdc (hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n tr\u1ef1c ti\u1ebfp) v\u00e0 ng\u01b0\u1ee3c l\u1ea1i, ch\u00fang c\u00f3 th\u1ec3 bi\u1ebfn d\u1ea1ng khi<\/p>\n","protected":false},"author":1,"featured_media":4848,"parent":0,"menu_order":17,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-72779","page","type-page","status-publish","has-post-thumbnail","hentry","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/pages\/72779","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/comments?post=72779"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/pages\/72779\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/4848"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=72779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}