{"id":1384,"date":"2024-11-07T05:08:16","date_gmt":"2024-11-07T05:08:16","guid":{"rendered":"https:\/\/nbaem.com\/?p=1384"},"modified":"2024-11-07T05:08:16","modified_gmt":"2024-11-07T05:08:16","slug":"nbaem-your-best-neodymium-magnet-supplier-from-china-5","status":"publish","type":"post","link":"https:\/\/nbaem.com\/pt_pt\/nbaem-your-best-neodymium-magnet-supplier-from-china-5\/","title":{"rendered":"Como a temperatura afeta o desempenho do \u00edman"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:var(--awb-color3);border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-1{margin-top:10px!important; margin-right:0px!important;margin-bottom:15px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-1{margin-top:10px!important; margin-right:0px!important;margin-bottom:10px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-one\" style=\"margin-top:10px;margin-right:0px;margin-bottom:15px;margin-left:0px;\"><h1 class=\"title-heading-left\" style=\"margin:0;\"><h1><strong>Como a temperatura afeta o desempenho do \u00edman<\/strong><\/h1><\/h1><\/div><div class=\"fusion-text fusion-text-1\"><p>Quando projeta aplica\u00e7\u00f5es com \u00edm\u00e3s permanentes, \u00e9 necess\u00e1rio conhecer a faixa de temperatura \u00e0 qual os \u00edm\u00e3s estar\u00e3o expostos. As varia\u00e7\u00f5es de temperatura afetam a for\u00e7a do \u00edm\u00e3 e o seu funcionamento. Se n\u00e3o compreender isso, obter\u00e1 algo que n\u00e3o funciona t\u00e3o bem quanto deseja. Portanto, \u00e9 importante saber como diferentes materiais magn\u00e9ticos se comportam com a temperatura.<\/p>\n<p>Todos os materiais magn\u00e9ticos ter\u00e3o uma altera\u00e7\u00e3o na densidade de fluxo \u00e0 medida que a temperatura muda. Em geral, os \u00edm\u00e3s tornam-se mais fortes \u00e0 medida que a temperatura diminui, exceto os \u00edm\u00e3s de ferrite. Todos os \u00edm\u00e3s permanentes perder\u00e3o parte do seu desempenho \u00e0 medida que a temperatura aumenta. A quest\u00e3o \u00e9: \u201cRecupero o desempenho quando esfria?\u201d Isso depende do tipo de material magn\u00e9tico e da temperatura m\u00e1xima para a qual foi projetado para operar.<\/p>\n<p>Existem tr\u00eas tipos de perda de desempenho magn\u00e9tico que pode ocorrer devido \u00e0 temperatura:<\/p>\n<ol>\n<li><strong>Perda Revers\u00edvel: <\/strong>Acontece quando a temperatura do \u00edm\u00e3 sobe acima da temperatura ambiente, mas n\u00e3o ultrapassa a sua classifica\u00e7\u00e3o m\u00e1xima de temperatura. Quando esfria, recupera todo o desempenho.<\/li>\n<li><strong>Perda Irrevers\u00edvel: <\/strong>Quando o \u00edm\u00e3 ultrapassa a sua classifica\u00e7\u00e3o m\u00e1xima de temperatura, mas n\u00e3o passa pela temperatura de Curie, perde um pouco do desempenho. Quando esfria, recupera parte do desempenho, mas nunca tudo, a menos que re-magnetize o \u00edm\u00e3, o que geralmente n\u00e3o \u00e9 economicamente vi\u00e1vel.<\/li>\n<li><strong>Perda Permanente:<\/strong> Quando o \u00edm\u00e3 ultrapassa a sua temperatura de Curie, os dom\u00ednios magn\u00e9ticos no \u00edm\u00e3 mudam de estrutura, e esse dano \u00e9 permanente. N\u00e3o \u00e9 poss\u00edvel recuperar esse desempenho re-magnetizando o \u00edm\u00e3.<\/li>\n<\/ol>\n<p>Embora as fichas t\u00e9cnicas dos \u00edm\u00e3s frequentemente incluam a temperatura de Curie, ela n\u00e3o \u00e9 um n\u00famero \u00fatil para o design pr\u00e1tico. N\u00e3o deve operar-se perto da temperatura de Curie. \u00c9 importante conhecer a temperatura m\u00e1xima de opera\u00e7\u00e3o.<\/p>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-0{width:100% !important;margin-top : 0px;margin-bottom : 0px;}.fusion-builder-column-0 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-0{width:100% !important;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-0{width:100% !important;}.fusion-builder-column-0 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-1{ padding-top : 0px;margin-top : 0px;padding-right : 0px;padding-bottom : 0px;margin-bottom : 0px;padding-left : 0px;}<\/style><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:var(--awb-color3);border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-2{margin-top:10px!important; margin-right:0px!important;margin-bottom:15px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-2{margin-top:10px!important; margin-right:0px!important;margin-bottom:10px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"margin-top:10px;margin-right:0px;margin-bottom:15px;margin-left:0px;\"><h2 class=\"title-heading-left\" style=\"margin:0;\"><h1><span style=\"color: #ff6600;\"><strong>Como a temperatura afeta os \u00edm\u00e3s de Neod\u00edmio<\/strong><\/span><\/h1><\/h2><\/div><div class=\"fusion-text fusion-text-2\"><p><a href=\"https:\/\/nbaem.com\/pt_pt\/products\/neodymium-magnet\/\"><span style=\"color: #0000ff;\">\u00cdm\u00e3s de neod\u00edmio<\/span> <\/a>s\u00e3o conhecidos pela sua alta for\u00e7a magn\u00e9tica \u00e0 temperatura ambiente. Se os aquecer, o desempenho diminui, mesmo que n\u00e3o atinjam a sua temperatura m\u00e1xima. Para cada grau Celsius de aumento acima da temperatura ambiente, perde-se entre 0,08% e 0,12% da for\u00e7a do \u00edm\u00e3.<\/p>\n<p>Os \u00edm\u00e3s de neod\u00edmio padr\u00e3o t\u00eam uma classifica\u00e7\u00e3o m\u00e1xima de temperatura de 80\u00b0C. Existem graus de alta temperatura que podem ser utilizados at\u00e9 150\u00b0C, mas acima disso, \u00e9 melhor usar um \u00edm\u00e3 de sam\u00e1rio-cobalto, pois ter\u00e1 mais resist\u00eancia. Se a temperatura descer abaixo de -138\u00b0C, a magnetiza\u00e7\u00e3o do \u00edm\u00e3 de neod\u00edmio muda, e perde-se entre 10% e 20% do desempenho do \u00edm\u00e3.<\/p>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-1{width:100% !important;margin-top : 0px;margin-bottom : 0px;}.fusion-builder-column-1 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-1{width:100% !important;}.fusion-builder-column-1 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-1{width:100% !important;}.fusion-builder-column-1 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-2{ padding-top : 0px;margin-top : 0px;padding-right : 0px;padding-bottom : 0px;margin-bottom : 0px;padding-left : 0px;}<\/style><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-3 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:var(--awb-color3);border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-3{margin-top:10px!important; margin-right:0px!important;margin-bottom:15px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-3{margin-top:10px!important; margin-right:0px!important;margin-bottom:10px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-3 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"margin-top:10px;margin-right:0px;margin-bottom:15px;margin-left:0px;\"><h2 class=\"title-heading-left\" style=\"margin:0;\"><h1><span style=\"color: #ff6600;\"><strong>Como a temperatura afeta os \u00edm\u00e3s de Sam\u00e1rio-Cobalto<\/strong><\/span><\/h1><\/h2><\/div><div class=\"fusion-text fusion-text-3\"><p><a href=\"https:\/\/nbaem.com\/pt_pt\/products\/samarium-cobalt-magnets\/\"><span style=\"color: #0000ff;\">os \u00edm\u00e3s de sam\u00e1rio-cobalto<\/span> <\/a>n\u00e3o s\u00e3o t\u00e3o fortes quanto os \u00edm\u00e3s de neod\u00edmio \u00e0 temperatura ambiente, mas possuem melhor estabilidade t\u00e9rmica. Os \u00edm\u00e3s de neod\u00edmio come\u00e7am a perder muita for\u00e7a acima de 150\u00b0C. Os \u00edm\u00e3s de sam\u00e1rio-cobalto podem suportar at\u00e9 350\u00b0C antes de come\u00e7arem a perder for\u00e7a que n\u00e3o ser\u00e1 recuperada ao esfriarem. \u00c9 por isso que se usam \u00edm\u00e3s de sam\u00e1rio-cobalto em aplica\u00e7\u00f5es de alta temperatura onde \u00e9 necess\u00e1ria resist\u00eancia t\u00e9rmica.<\/p>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-2{width:100% !important;margin-top : 0px;margin-bottom : 0px;}.fusion-builder-column-2 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-2{width:100% !important;}.fusion-builder-column-2 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-2{width:100% !important;}.fusion-builder-column-2 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-3{ padding-top : 0px;margin-top : 0px;padding-right : 0px;padding-bottom : 0px;margin-bottom : 0px;padding-left : 0px;}<\/style><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-4 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:var(--awb-color3);border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-4{margin-top:10px!important; margin-right:0px!important;margin-bottom:15px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-4{margin-top:10px!important; margin-right:0px!important;margin-bottom:10px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-4 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"margin-top:10px;margin-right:0px;margin-bottom:15px;margin-left:0px;\"><h2 class=\"title-heading-left\" style=\"margin:0;\"><h1><span style=\"color: #ff6600;\"><strong>Como a temperatura afeta os \u00edm\u00e3s de Alnico<\/strong><\/span><\/h1><\/h2><\/div><div class=\"fusion-text fusion-text-4\"><p><a href=\"https:\/\/nbaem.com\/pt_pt\/products\/alnico-magnet\/\"><span style=\"color: #0000ff;\">\u00cdm\u00e3s de Alnico<\/span><\/a> s\u00e3o os pr\u00f3ximos mais fortes ap\u00f3s os \u00edm\u00e3s de neod\u00edmio. Possuem alta reman\u00eancia e baixa coercividade. A desvantagem dos \u00edm\u00e3s de alnico \u00e9 a resist\u00eancia \u00e0 desmagnetiza\u00e7\u00e3o. N\u00e3o gostam de campos magn\u00e9ticos externos ou choques f\u00edsicos. Mas os \u00edm\u00e3s de alnico t\u00eam excelente estabilidade t\u00e9rmica. Para cada grau Celsius de aumento na temperatura, perde-se 0,02% da for\u00e7a do \u00edm\u00e3. Podem ser utilizados at\u00e9 525\u00b0C (977\u00b0F) sem causar danos permanentes.<\/p>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-3{width:100% !important;margin-top : 0px;margin-bottom : 0px;}.fusion-builder-column-3 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-3{width:100% !important;}.fusion-builder-column-3 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-3{width:100% !important;}.fusion-builder-column-3 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-4{ padding-top : 0px;margin-top : 0px;padding-right : 0px;padding-bottom : 0px;margin-bottom : 0px;padding-left : 0px;}<\/style><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-5 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:var(--awb-color3);border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><style type=\"text\/css\">@media only screen and (max-width:1024px) {.fusion-title.fusion-title-5{margin-top:10px!important; margin-right:0px!important;margin-bottom:15px!important;margin-left:0px!important;}}@media only screen and (max-width:640px) {.fusion-title.fusion-title-5{margin-top:10px!important; margin-right:0px!important;margin-bottom:10px!important; margin-left:0px!important;}}<\/style><div class=\"fusion-title title fusion-title-5 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"margin-top:10px;margin-right:0px;margin-bottom:15px;margin-left:0px;\"><h2 class=\"title-heading-left\" style=\"margin:0;\"><h1><span style=\"color: #ff6600;\"><strong>Como a temperatura afeta os \u00edm\u00e3s de ferrite<\/strong><\/span><\/h1><\/h2><\/div><div class=\"fusion-text fusion-text-5\"><p><a href=\"https:\/\/nbaem.com\/pt_pt\/products\/ceramic-magnet\/\"><span style=\"color: #0000ff;\">\u00edmanes de ferrite<\/span><\/a> s\u00e3o diferentes dos outros \u00edm\u00e3s. \u00c0 medida que a temperatura aumenta, a resist\u00eancia \u00e0 desmagnetiza\u00e7\u00e3o melhora. Para cada grau Celsius de aumento, perde-se 0,2% da for\u00e7a do \u00edm\u00e3. Podem ser utilizados at\u00e9 180\u00b0C antes de come\u00e7arem a perder for\u00e7a que n\u00e3o ser\u00e1 recuperada. \u00c9 por isso que s\u00e3o frequentemente usados em motores e geradores.<\/p>\n<p style=\"text-align: justify; text-justify: inter-ideograph; background: white; margin: 11.25pt 0cm 15.0pt 0cm;\"><span style=\"color: #323232; font-family: Helvetica, sans-serif; font-size: 10.5pt; letter-spacing: 0.4pt;\">.<\/span><\/p>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-4{width:100% !important;margin-top : 0px;margin-bottom : 0px;}.fusion-builder-column-4 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-4{width:100% !important;}.fusion-builder-column-4 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-4{width:100% !important;}.fusion-builder-column-4 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-5{ padding-top : 0px;margin-top : 0px;padding-right : 0px;padding-bottom : 0px;margin-bottom : 0px;padding-left : 0px;}<\/style><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-6 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"background-color: rgba(255,255,255,0);background-position: center center;background-repeat: no-repeat;border-width: 0px 0px 0px 0px;border-color:var(--awb-color3);border-style:solid;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start\" style=\"max-width:1248px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_1_1 1_1 fusion-flex-column\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\" style=\"background-position:left top;background-repeat:no-repeat;-webkit-background-size:cover;-moz-background-size:cover;-o-background-size:cover;background-size:cover;padding: 0px 0px 0px 0px;\"><div class=\"fusion-text fusion-text-6\"><p>Quando projeta com \u00edmanes, precisa de conhecer a faixa de temperatura \u00e0 qual os \u00edmanes estar\u00e3o expostos. Se n\u00e3o compreender como os \u00edmanes que est\u00e1 a usar ir\u00e3o responder \u00e0 temperatura, n\u00e3o obter\u00e1 o desempenho desejado.<\/p>\n<p>\u00cdmanes de neod\u00edmio s\u00e3o \u00edmanes fortes, mas n\u00e3o gostam de calor. \u00cdmanes de cobalto de sam\u00e1rio n\u00e3o s\u00e3o t\u00e3o fortes quanto os \u00edmanes de neod\u00edmio, mas s\u00e3o mais est\u00e1veis a altas temperaturas. \u00cdmanes de alnico podem suportar o calor. \u00cdmanes de ferrite suportam bem temperaturas elevadas e, \u00e0 medida que ficam mais quentes, tornam-se mais resistentes \u00e0 desmagnetiza\u00e7\u00e3o.<\/p>\n<p>Ao compreender o ambiente em que a sua aplica\u00e7\u00e3o ir\u00e1 operar e ao selecionar o material magn\u00e9tico adequado, pode garantir que a sua aplica\u00e7\u00e3o funcionar\u00e1 como deseja durante muito tempo. Por favor <a href=\"https:\/\/nbaem.com\/pt_pt\/contact-us\/\"><span style=\"color: #0000ff;\">contacte-nos<\/span><\/a> para obter mais informa\u00e7\u00f5es sobre \u00edmanes.<\/p>\n<\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-builder-column-5{width:100% !important;margin-top : 0px;margin-bottom : 0px;}.fusion-builder-column-5 > .fusion-column-wrapper {padding-top : 0px !important;padding-right : 0px !important;margin-right : 1.92%;padding-bottom : 0px !important;padding-left : 0px !important;margin-left : 1.92%;}@media only screen and (max-width:1024px) {.fusion-body .fusion-builder-column-5{width:100% !important;}.fusion-builder-column-5 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}@media only screen and (max-width:640px) {.fusion-body .fusion-builder-column-5{width:100% !important;}.fusion-builder-column-5 > .fusion-column-wrapper {margin-right : 1.92%;margin-left : 1.92%;}}<\/style><\/div><\/div><style type=\"text\/css\">.fusion-body .fusion-flex-container.fusion-builder-row-6{ padding-top : 0px;margin-top : 0px;padding-right : 0px;padding-bottom : 0px;margin-bottom : 0px;padding-left : 0px;}<\/style><\/div><\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1384","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/nbaem.com\/pt_pt\/wp-json\/wp\/v2\/posts\/1384","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/pt_pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/pt_pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/pt_pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/pt_pt\/wp-json\/wp\/v2\/comments?post=1384"}],"version-history":[{"count":2,"href":"https:\/\/nbaem.com\/pt_pt\/wp-json\/wp\/v2\/posts\/1384\/revisions"}],"predecessor-version":[{"id":1386,"href":"https:\/\/nbaem.com\/pt_pt\/wp-json\/wp\/v2\/posts\/1384\/revisions\/1386"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/pt_pt\/wp-json\/wp\/v2\/media?parent=1384"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/pt_pt\/wp-json\/wp\/v2\/categories?post=1384"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/pt_pt\/wp-json\/wp\/v2\/tags?post=1384"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}