{"id":55479,"date":"2022-05-22T15:46:28","date_gmt":"2022-05-22T20:46:28","guid":{"rendered":"https:\/\/www.bjultrasonic.com\/piezo-ceramics-how-can-the-youngs-modulus-be-defined\/"},"modified":"2025-01-21T07:25:37","modified_gmt":"2025-01-21T12:25:37","slug":"piezo-ceramics-how-can-the-youngs-modulus-be-defined","status":"publish","type":"post","link":"https:\/\/www.bjultrasonic.com\/vi\/piezo-ceramics-how-can-the-youngs-modulus-be-defined\/","title":{"rendered":"\u0110\u1ecbnh ngh\u0129a M\u00f4 \u0111un Young trong g\u1ed1m \u00e1p \u0111i\u1ec7n"},"content":{"rendered":"<p>G\u1ed1m \u00e1p \u0111i\u1ec7n, m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u g\u1ed1m \u0111\u1eb7c bi\u1ec7t c\u00f3 kh\u1ea3 n\u0103ng bi\u1ebfn \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, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c t\u1eeb c\u1ea3m bi\u1ebfn, thi\u1ebft b\u1ecb truy\u1ec1n \u0111\u1ed9ng \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng y sinh. M\u1ed9t trong nh\u1eefng t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc quan tr\u1ecdng nh\u1ea5t c\u1ee7a g\u1ed1m \u00e1p \u0111i\u1ec7n l\u00e0 m\u00f4 \u0111un Young (Young&#8217;s modulus), \u0111\u1ea1i di\u1ec7n cho \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u.  Vi\u1ec7c x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c m\u00f4 \u0111un Young l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 thi\u1ebft k\u1ebf v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c \u1ee9ng d\u1ee5ng s\u1eed d\u1ee5ng g\u1ed1m \u00e1p \u0111i\u1ec7n.<\/p>\n<h3>\u0110\u1ecbnh ngh\u0129a M\u00f4 \u0111un Young trong G\u1ed1m \u00c1p \u0110i\u1ec7n<\/h3>\n<p>M\u00f4 \u0111un Young, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i, l\u00e0 m\u1ed9t \u0111\u1ea1i l\u01b0\u1ee3ng v\u1eadt l\u00fd bi\u1ec3u th\u1ecb \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u. N\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 t\u1ef7 s\u1ed1 gi\u1eefa \u1ee9ng su\u1ea5t k\u00e9o\/n\u00e9n v\u00e0 bi\u1ebfn d\u1ea1ng t\u01b0\u01a1ng \u1ee9ng trong v\u00f9ng \u0111\u00e0n h\u1ed3i tuy\u1ebfn t\u00ednh c\u1ee7a v\u1eadt li\u1ec7u.  \u0110\u1ed1i v\u1edbi g\u1ed1m \u00e1p \u0111i\u1ec7n, vi\u1ec7c x\u00e1c \u0111\u1ecbnh m\u00f4 \u0111un Young ph\u1ee9c t\u1ea1p h\u01a1n so v\u1edbi v\u1eadt li\u1ec7u th\u00f4ng th\u01b0\u1eddng do hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n. Hi\u1ec7u \u1ee9ng n\u00e0y g\u00e2y ra s\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a v\u1eadt li\u1ec7u khi ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a \u0111i\u1ec7n tr\u01b0\u1eddng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n<h3>Ph\u01b0\u01a1ng ph\u00e1p X\u00e1c \u0111\u1ecbnh M\u00f4 \u0111un Young<\/h3>\n<p>C\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u00f4 \u0111un Young c\u1ee7a g\u1ed1m \u00e1p \u0111i\u1ec7n. M\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n<ul>\n<li>\n<p><strong>Th\u1eed nghi\u1ec7m u\u1ed1n:<\/strong>  \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t, m\u1eabu th\u1eed \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean hai \u0111i\u1ec3m t\u1ef1a v\u00e0 ch\u1ecbu t\u1ea3i tr\u1ecdng \u1edf gi\u1eefa.  \u0110\u1ed9 v\u00f5ng c\u1ee7a m\u1eabu \u0111\u01b0\u1ee3c \u0111o v\u00e0 s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh to\u00e1n m\u00f4 \u0111un Young.<\/p>\n<\/li>\n<li>\n<p><strong>Th\u1eed nghi\u1ec7m k\u00e9o\/n\u00e9n:<\/strong> M\u1eabu th\u1eed \u0111\u01b0\u1ee3c k\u00e9o ho\u1eb7c n\u00e9n d\u1ecdc theo tr\u1ee5c ch\u00ednh. \u1ee8ng su\u1ea5t v\u00e0 bi\u1ebfn d\u1ea1ng \u0111\u01b0\u1ee3c \u0111o \u0111\u1ec3 t\u00ednh to\u00e1n m\u00f4 \u0111un Young.<\/p>\n<\/li>\n<li>\n<p><strong>Ph\u01b0\u01a1ng ph\u00e1p c\u1ed9ng h\u01b0\u1edfng:<\/strong> Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y d\u1ef1a tr\u00ean t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng t\u1ef1 nhi\u00ean c\u1ee7a m\u1eabu th\u1eed.  B\u1eb1ng c\u00e1ch k\u00edch th\u00edch m\u1eabu dao \u0111\u1ed9ng v\u00e0 \u0111o t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng, c\u00f3 th\u1ec3 t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c m\u00f4 \u0111un Young.  Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi c\u1ea7n \u0111o m\u00f4 \u0111un Young \u1edf t\u1ea7n s\u1ed1 cao.  \u0110\u1ed1i v\u1edbi m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng si\u00eau \u00e2m, vi\u1ec7c x\u00e1c \u0111\u1ecbnh m\u00f4 \u0111un Young \u1edf t\u1ea7n s\u1ed1 cao l\u00e0 c\u1ea7n thi\u1ebft.<\/p>\n<\/li>\n<\/ul>\n<h3>C\u00e1c Y\u1ebfu T\u1ed1 \u1ea2nh H\u01b0\u1edfng \u0111\u1ebfn M\u00f4 \u0111un Young<\/h3>\n<p>M\u00f4 \u0111un Young c\u1ee7a g\u1ed1m \u00e1p \u0111i\u1ec7n b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m:<\/p>\n<ul>\n<li>\n<p><strong>Th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u:<\/strong>  C\u00e1c lo\u1ea1i g\u1ed1m \u00e1p \u0111i\u1ec7n kh\u00e1c nhau (v\u00ed d\u1ee5: PZT, PVDF) s\u1ebd c\u00f3 m\u00f4 \u0111un Young kh\u00e1c nhau.<\/p>\n<\/li>\n<li>\n<p><strong>Nhi\u1ec7t \u0111\u1ed9:<\/strong> M\u00f4 \u0111un Young th\u01b0\u1eddng gi\u1ea3m khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng.<\/p>\n<\/li>\n<li>\n<p><strong>\u0110i\u1ec7n tr\u01b0\u1eddng:<\/strong>  Hi\u1ec7u \u1ee9ng \u00e1p \u0111i\u1ec7n ngh\u1ecbch l\u00e0m thay \u0111\u1ed5i m\u00f4 \u0111un Young khi c\u00f3 \u0111i\u1ec7n tr\u01b0\u1eddng t\u00e1c \u0111\u1ed9ng.<\/p>\n<\/li>\n<li>\n<p><strong>T\u1ea7n s\u1ed1:<\/strong>  \u1ede t\u1ea7n s\u1ed1 cao, m\u00f4 \u0111un Young c\u00f3 th\u1ec3 thay \u0111\u1ed5i do hi\u1ec7n t\u01b0\u1ee3ng ti\u00eau t\u00e1n n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<\/li>\n<\/ul>\n<h3>So s\u00e1nh c\u00e1c Ph\u01b0\u01a1ng Ph\u00e1p X\u00e1c \u0110\u1ecbnh M\u00f4 \u0111un Young<\/h3>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Ph\u01b0\u01a1ng Ph\u00e1p<\/th>\n<th>\u01afu \u0111i\u1ec3m<\/th>\n<th>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Th\u1eed nghi\u1ec7m u\u1ed1n<\/td>\n<td>\u0110\u01a1n gi\u1ea3n, d\u1ec5 th\u1ef1c hi\u1ec7n<\/td>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c h\u1ea1n ch\u1ebf<\/td>\n<\/tr>\n<tr>\n<td>Th\u1eed nghi\u1ec7m k\u00e9o\/n\u00e9n<\/td>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c cao<\/td>\n<td>Kh\u00f3 th\u1ef1c hi\u1ec7n v\u1edbi m\u1eabu nh\u1ecf<\/td>\n<\/tr>\n<tr>\n<td>Ph\u01b0\u01a1ng ph\u00e1p c\u1ed9ng h\u01b0\u1edfng<\/td>\n<td>\u0110o \u0111\u01b0\u1ee3c \u1edf t\u1ea7n s\u1ed1 cao<\/td>\n<td>C\u1ea7n thi\u1ebft b\u1ecb ph\u1ee9c t\u1ea1p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Vi\u1ec7c x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c m\u00f4 \u0111un Young c\u1ee7a g\u1ed1m \u00e1p \u0111i\u1ec7n l\u00e0 r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c thi\u1ebft k\u1ebf v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c \u1ee9ng d\u1ee5ng.  Vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p \u0111o ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a t\u1eebng \u1ee9ng d\u1ee5ng v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4 \u0111un Young c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng.  S\u1ef1 hi\u1ec3u r\u00f5 v\u1ec1 m\u00f4 \u0111un Young gi\u00fap \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng g\u1ed1m \u00e1p \u0111i\u1ec7n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>G\u1ed1m \u00e1p \u0111i\u1ec7n, m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u g\u1ed1m \u0111\u1eb7c bi\u1ec7t c\u00f3 kh\u1ea3 n\u0103ng bi\u1ebfn \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, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c t\u1eeb c\u1ea3m bi\u1ebfn, thi\u1ebft b\u1ecb truy\u1ec1n \u0111\u1ed9ng \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng y sinh. M\u1ed9t trong nh\u1eefng t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/p>\n","protected":false},"author":1,"featured_media":4869,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6406],"tags":[],"class_list":["post-55479","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/55479","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"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=55479"}],"version-history":[{"count":0,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/posts\/55479\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media\/4869"}],"wp:attachment":[{"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/media?parent=55479"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/categories?post=55479"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bjultrasonic.com\/vi\/wp-json\/wp\/v2\/tags?post=55479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}