{"id":119678,"date":"2023-02-08T01:36:16","date_gmt":"2023-02-08T00:36:16","guid":{"rendered":"https:\/\/material-properties.org\/o-que-e-resistencia-e-dureza-da-solda-macia-60-40-solda-definicao\/"},"modified":"2023-02-15T08:16:48","modified_gmt":"2023-02-15T07:16:48","slug":"o-que-e-resistencia-e-dureza-da-solda-macia-60-40-solda-definicao","status":"publish","type":"post","link":"https:\/\/material-properties.org\/pt-br\/o-que-e-resistencia-e-dureza-da-solda-macia-60-40-solda-definicao\/","title":{"rendered":"O que \u00e9 resist\u00eancia e dureza da solda macia &#8211; 60-40 Solda &#8211; Defini\u00e7\u00e3o"},"content":{"rendered":"<p><span><div class=\"su-quote su-quote-style-default\"><div class=\"su-quote-inner su-u-clearfix su-u-trim\"> A resist\u00eancia \u00e0 tra\u00e7\u00e3o final da solda macia \u2013 solda 60-40 depende muito da temperatura, mas para 19\u00b0C \u00e9 de cerca de 56 MPa.\u00a0Dureza Brinell de solda macia \u2013 60-40 solda aproximadamente 16 HB.\u00a0Resist\u00eancia e dureza da solda macia<\/div><\/div><\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><\/span><\/p>\n<p><span><div  class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><strong><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/tin-solder-image.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-29868\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/tin-solder-image-265x300.png\" alt=\"solda de estanho\" width=\"265\" height=\"300\" \/><\/a><span>A soldagem<\/span><\/strong><span>\u00a0\u00e9 uma t\u00e9cnica para unir metais usando uma liga de metal de adi\u00e7\u00e3o que tem uma temperatura de fus\u00e3o inferior a cerca de 425\u00b0C (800\u00b0F).\u00a0Devido a essa temperatura mais baixa e \u00e0s diferentes ligas usadas como cargas, a rea\u00e7\u00e3o metal\u00fargica entre a carga e a pe\u00e7a de trabalho \u00e9 m\u00ednima, resultando em uma junta mais fraca.\u00a0Na montagem eletr\u00f4nica, a liga eut\u00e9tica com 63% de estanho e 37% de chumbo (ou 60\/40, que \u00e9 quase id\u00eantico no ponto de fus\u00e3o) tem sido a liga preferida.\u00a0Esta liga eut\u00e9tica tem ponto de fus\u00e3o inferior ao do estanho ou do chumbo.<\/span><\/p>\n<p><strong><span>O estanho<\/span><\/strong><span>\u00a0\u00e9 um constituinte importante em soldas porque molha e\u00a0<\/span><strong><span>adere<\/span><\/strong><span>\u00a0a muitos metais b\u00e1sicos comuns a temperaturas consideravelmente abaixo de seus pontos de fus\u00e3o.\u00a0Pequenas quantidades de v\u00e1rios metais, principalmente antim\u00f4nio e prata, s\u00e3o adicionadas \u00e0s\u00a0<\/span><strong><span>soldas de estanho-chumbo<\/span><\/strong><span>\u00a0para aumentar sua resist\u00eancia.\u00a0A solda 60-40 fornece juntas fortes e confi\u00e1veis \u200b\u200bsob uma variedade de condi\u00e7\u00f5es ambientais.\u00a0Existem tamb\u00e9m soldas com alto teor de estanho, que s\u00e3o usadas para unir partes de aparelhos el\u00e9tricos porque sua condutividade el\u00e9trica \u00e9 maior que a das soldas com alto teor de chumbo.\u00a0Essas soldas tamb\u00e9m s\u00e3o usadas onde o chumbo pode ser um perigo, por exemplo, em contato com \u00e1gua pot\u00e1vel ou alimentos.<\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/soft-solder-tin-alloy-composition.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-29870\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/soft-solder-tin-alloy-composition.png\" alt=\"solda macia - liga de estanho\" width=\"726\" height=\"83\" \/><\/a><\/p>\n<h2><span>Resist\u00eancia das ligas de n\u00edquel<\/span><\/h2>\n<p><span>Na mec\u00e2nica dos materiais, a\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-strength-definition\/\"><strong><span>resist\u00eancia de um material<\/span><\/strong><\/a><span>\u00a0\u00e9 sua capacidade de suportar uma carga aplicada sem falha ou deforma\u00e7\u00e3o pl\u00e1stica.\u00a0<\/span><strong><span>A resist\u00eancia dos materiais<\/span><\/strong><span>\u00a0considera basicamente a rela\u00e7\u00e3o entre as\u00a0<\/span><strong><span>cargas externas aplicadas a um material e a\u00a0<\/span><\/strong><strong><span>deforma\u00e7\u00e3o<\/span><\/strong><span>\u00a0resultante\u00a0ou mudan\u00e7a nas dimens\u00f5es do material.\u00a0<\/span><strong><span>A resist\u00eancia de um material<\/span><\/strong><span>\u00a0\u00e9 sua capacidade de suportar essa carga aplicada sem falha ou deforma\u00e7\u00e3o pl\u00e1stica.<\/span><\/p>\n<h3><span>Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/span><\/h3>\n<p><span>A resist\u00eancia \u00e0 tra\u00e7\u00e3o m\u00e1xima da\u00a0<\/span><strong><span>solda macia \u2013 a solda 60-40<\/span><\/strong><span>\u00a0depende muito da temperatura, mas para 19\u00b0C \u00e9 de cerca de 56 MPa.<\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/Yield-Strength-Ultimate-Tensile-Strength-Table-of-Materials.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-medium wp-image-27807\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/Yield-Strength-Ultimate-Tensile-Strength-Table-of-Materials-239x300.png\" alt=\"Resist\u00eancia ao escoamento - Resist\u00eancia \u00e0 tra\u00e7\u00e3o m\u00e1xima - Tabela de materiais\" width=\"239\" height=\"300\" \/><\/a><span>A\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/strength\/stress-strain-curve-stress-strain-diagram\/ultimate-tensile-strength-uts\/\"><strong><span>resist\u00eancia \u00e0 tra\u00e7\u00e3o final<\/span><\/strong><\/a><span>\u00a0\u00e9 o m\u00e1ximo na\u00a0<\/span><a href=\"https:\/\/material-properties.org\/what-is-stress-strain-curve-stress-strain-diagram-definition\/\"><span>curva de tens\u00e3o-deforma\u00e7\u00e3o<\/span><\/a><span> de engenharia.\u00a0Isso corresponde \u00e0\u00a0<\/span><strong><span>tens\u00e3o m\u00e1xima <\/span><\/strong><span>que pode ser sustentado por uma estrutura em tens\u00e3o. A resist\u00eancia \u00e0 tra\u00e7\u00e3o final \u00e9 muitas vezes abreviada para \u201cresist\u00eancia \u00e0 tra\u00e7\u00e3o\u201d ou mesmo para \u201co m\u00e1ximo\u201d. Se essa tens\u00e3o for aplicada e mantida, ocorrer\u00e1 fratura. Freq\u00fcentemente, esse valor \u00e9 significativamente maior do que o limite de escoamento (at\u00e9 50 a 60 por cento a mais do que o rendimento de alguns tipos de metais). Quando um material d\u00factil atinge sua resist\u00eancia m\u00e1xima, ele sofre estric\u00e7\u00e3o onde a \u00e1rea da se\u00e7\u00e3o transversal \u00e9 reduzida localmente. A curva tens\u00e3o-deforma\u00e7\u00e3o n\u00e3o cont\u00e9m tens\u00e3o maior do que a resist\u00eancia m\u00e1xima. Mesmo que as deforma\u00e7\u00f5es possam continuar a aumentar, a tens\u00e3o geralmente diminui ap\u00f3s o limite de resist\u00eancia ter sido alcan\u00e7ado. \u00c9 uma propriedade intensiva; portanto, seu valor n\u00e3o depende do tamanho do corpo de prova. Por\u00e9m, depende de outros fatores, como o preparo do corpo de prova,\u00a0<\/span><strong><span>temperatura<\/span><\/strong><span>\u00a0do ambiente de teste e do material.\u00a0<\/span><strong><span>A resist\u00eancia m\u00e1xima \u00e0 tra\u00e7\u00e3o<\/span><\/strong><span>\u00a0varia de 50 MPa para um alum\u00ednio at\u00e9 3000 MPa para a\u00e7os de alta resist\u00eancia.<\/span><\/p>\n<h3><span>M\u00f3dulo de elasticidade de Young<\/span><\/h3>\n<p><span>O m\u00f3dulo de elasticidade de Young da\u00a0<\/span><strong><span>solda macia \u2013 solda 60-40<\/span><\/strong><span>\u00a0\u00e9 de cerca de 30 GPa.<\/span><\/p>\n<p><span>O\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/materials-science\/material-properties\/strength\/hookes-law\/youngs-modulus-of-elasticity\/\"><span>m\u00f3dulo de elasticidade de Young<\/span><\/a><span>\u00a0\u00e9 o m\u00f3dulo de elasticidade para tens\u00e3o de tra\u00e7\u00e3o e compress\u00e3o no regime de elasticidade linear de uma deforma\u00e7\u00e3o uniaxial e geralmente \u00e9 avaliado por ensaios de tra\u00e7\u00e3o.\u00a0At\u00e9 uma tens\u00e3o limite, um corpo poder\u00e1 recuperar suas dimens\u00f5es com a retirada da carga.\u00a0As tens\u00f5es aplicadas fazem com que os \u00e1tomos em um cristal se movam de sua posi\u00e7\u00e3o de equil\u00edbrio.\u00a0Todos os\u00a0<\/span><a href=\"https:\/\/www.nuclear-power.com\/nuclear-power\/reactor-physics\/atomic-nuclear-physics\/atom-properties-of-atoms\/\"><span>\u00e1tomos<\/span><\/a><span>\u00a0s\u00e3o deslocados na mesma quantidade e ainda mant\u00eam sua geometria relativa.\u00a0Quando as tens\u00f5es s\u00e3o removidas, todos os \u00e1tomos retornam \u00e0s suas posi\u00e7\u00f5es originais e nenhuma deforma\u00e7\u00e3o permanente ocorre.\u00a0De acordo com a\u00a0<\/span><strong><a href=\"https:\/\/material-properties.org\/what-is-hookes-law-definition\/\"><span>lei de Hooke<\/span><\/a><span>,<\/span><\/strong><span>\u00a0a tens\u00e3o \u00e9 proporcional \u00e0 deforma\u00e7\u00e3o (na regi\u00e3o el\u00e1stica), e a inclina\u00e7\u00e3o \u00e9 o\u00a0<\/span><strong><span>m\u00f3dulo de Young<\/span><\/strong><span>.\u00a0O m\u00f3dulo de Young \u00e9 igual \u00e0 tens\u00e3o longitudinal dividida pela deforma\u00e7\u00e3o.<\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/Hookes-law-equation.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-27811\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/Hookes-law-equation.png\" alt=\"\" width=\"320\" height=\"164\" \/><\/a><\/p>\n<h2><span>Dureza da Solda Suave &#8211; Solda 60-40<\/span><\/h2>\n<p><span>Dureza Brinell de\u00a0<\/span><strong><span>solda macia \u2013 60-40 solda<\/span><\/strong><span>\u00a0aproximadamente 16 HB.<\/span><\/p>\n<p><a href=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/table-brinell-hardness-numbers.png\"><img decoding=\"async\" loading=\"lazy\" class=\"alignright size-full wp-image-28044\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/01\/table-brinell-hardness-numbers.png\" alt=\"n\u00famero de dureza Brinell\" width=\"288\" height=\"297\" \/><\/a><\/p>\n<p><strong><span>O teste de dureza Rockwell<\/span><\/strong><span> \u00e9 um dos testes de dureza de indenta\u00e7\u00e3o mais comuns, que foi desenvolvido para testes de dureza. Em contraste com o teste Brinell, o testador Rockwell mede a profundidade de penetra\u00e7\u00e3o de um penetrador sob uma grande carga (carga principal) em compara\u00e7\u00e3o com a penetra\u00e7\u00e3o feita por uma pr\u00e9-carga (carga menor). A carga menor estabelece a posi\u00e7\u00e3o zero. A carga principal \u00e9 aplicada e, em seguida, removida, mantendo a carga secund\u00e1ria. A diferen\u00e7a entre a profundidade de penetra\u00e7\u00e3o antes e depois da aplica\u00e7\u00e3o da carga principal \u00e9 usada para calcular o\u00a0<\/span><strong><span>n\u00famero de dureza Rockwell<\/span><\/strong><span>. Ou seja, a profundidade de penetra\u00e7\u00e3o e a dureza s\u00e3o inversamente proporcionais. A principal vantagem da dureza Rockwell \u00e9 sua capacidade de\u00a0<\/span><strong><span>exibir valores de dureza diretamente<\/span><\/strong><span>. O resultado \u00e9 um n\u00famero adimensional anotado como\u00a0<\/span><strong><span>HRA, HRB, HRC<\/span><\/strong><span>, etc., onde a \u00faltima letra \u00e9 a respectiva escala Rockwell.<\/span><\/p>\n<p><span>O teste Rockwell C \u00e9 realizado com um penetrador Brale (<\/span><strong><span>cone de diamante de 120\u00b0<\/span><\/strong><span>) e uma carga maior de 150kg.<\/span><\/p>\n<p><span><\/span><\/p><\/div><\/div><\/span><\/p>\n<p><span><div  class=\"lgc-column lgc-grid-parent lgc-grid-100 lgc-tablet-grid-100 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><span><div class=\"su-accordion su-u-trim\"><div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span>Refer\u00eancias:<\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">Ci\u00eancia dos Materiais:<\/div><\/div><\/div><\/span><\/p>\n<p><span>Departamento de Energia dos EUA, Ci\u00eancia de Materiais.\u00a0DOE Fundamentals Handbook, Volume 1 e 2. Janeiro de 1993.<\/span><br \/>\n<span>Departamento de Energia dos EUA, Ci\u00eancia de Materiais.\u00a0DOE Fundamentals Handbook, Volume 2 e 2. Janeiro de 1993.<\/span><br \/>\n<span>William D. Callister, David G. Rethwisch.\u00a0Ci\u00eancia e Engenharia de Materiais: Uma Introdu\u00e7\u00e3o 9\u00aa Edi\u00e7\u00e3o, Wiley;\u00a09 edi\u00e7\u00e3o (4 de dezembro de 2013), ISBN-13: 978-1118324578.<\/span><br \/>\n<span>Eberhart, Mark (2003).\u00a0Por que as coisas quebram: entendendo o mundo pela maneira como ele se desfaz.\u00a0Harmonia.\u00a0ISBN 978-1-4000-4760-4.<\/span><br \/>\n<span>Gaskell, David R. (1995).\u00a0Introdu\u00e7\u00e3o \u00e0 Termodin\u00e2mica dos Materiais (4\u00aa ed.).\u00a0Editora Taylor e Francis.\u00a0ISBN 978-1-56032-992-3.<\/span><br \/>\n<span>Gonz\u00e1lez-Vi\u00f1as, W. &amp; Mancini, HL (2004).\u00a0Uma Introdu\u00e7\u00e3o \u00e0 Ci\u00eancia dos Materiais.\u00a0Princeton University Press.\u00a0ISBN 978-0-691-07097-1.<\/span><br \/>\n<span>Ashby, Michael;\u00a0Hugh Shercliff;\u00a0David Cebon (2007).\u00a0Materiais: engenharia, ci\u00eancia, processamento e design (1\u00aa ed.).\u00a0Butterworth-Heinemann.\u00a0ISBN 978-0-7506-8391-3.<\/span><br \/>\n<span>JR Lamarsh, AJ Baratta, Introdu\u00e7\u00e3o \u00e0 Engenharia Nuclear, 3\u00aa ed., Prentice-Hall, 2001, ISBN: 0-201-82498-1.<\/span><br \/>\n<span><\/span><\/p><\/div><\/div><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><div class=\"su-divider su-divider-style-default\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\"><\/div><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\">\n<p><span>Veja acima:<\/span><br \/>\n<span>Ligas de estanho<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/alloys-composition-properties-of-metal-alloys\/tin-alloys\/ \" class=\"su-button su-button-style-flat\" style=\"color:#606060;background-color:#ffffff;border-color:#cccccc;border-radius:10px;-moz-border-radius:10px;-webkit-border-radius:10px\" target=\"_self\"><span style=\"color:#606060;padding:7px 20px;font-size:16px;line-height:24px;border-color:#ffffff;border-radius:10px;-moz-border-radius:10px;-webkit-border-radius:10px;text-shadow:0px 0px 0px #000000;-moz-text-shadow:0px 0px 0px #000000;-webkit-text-shadow:0px 0px 0px #000000\"><i class=\"sui sui-link\" style=\"font-size:16px;color:#5d5d5d\"><\/i> <\/span><\/a><\/span><\/p><\/div><\/div><div  class=\"lgc-column lgc-grid-parent lgc-grid-33 lgc-tablet-grid-33 lgc-mobile-grid-100 lgc-equal-heights \"><div  class=\"inside-grid-column\"><\/div><\/div><\/span><\/p>\n<p><span><div class=\"su-divider su-divider-style-dotted\" style=\"margin:15px 0;border-width:2px;border-color:#999999\"><\/div><\/span><\/p>\n<p><span>Esperamos que este artigo,\u00a0<\/span><strong><span>Strength and Hardness of Soft Solder \u2013 60-40 Solder<\/span><\/strong><span>, ajude voc\u00ea.\u00a0Se sim,\u00a0<\/span><strong><span>d\u00ea um like<\/span><\/strong><span>\u00a0na barra lateral.\u00a0O objetivo principal deste site \u00e9 ajudar o p\u00fablico a aprender algumas informa\u00e7\u00f5es interessantes e importantes sobre materiais e suas propriedades.<\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Esperamos que este artigo,\u00a0Strength and Hardness of Soft Solder \u2013 60-40 Solder, ajude voc\u00ea.\u00a0Se sim,\u00a0d\u00ea um like\u00a0na barra lateral.\u00a0O objetivo principal deste site \u00e9 ajudar o p\u00fablico a aprender algumas informa\u00e7\u00f5es interessantes e importantes sobre materiais e suas propriedades. &nbsp;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[53],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>O que \u00e9 resist\u00eancia e dureza da solda macia \u2013 Solda 60-40 - Defini\u00e7\u00e3o | Propriedades do material<\/title>\n<meta name=\"description\" content=\"A resist\u00eancia \u00e0 tra\u00e7\u00e3o m\u00e1xima da solda macia \u2013 a solda 60-40 depende muito da temperatura, mas para 19\u00b0C \u00e9 de cerca de 56 MPa. Dureza Brinell de solda macia \u2013 60-40 solda aproximadamente 16 HB. Resist\u00eancia e Dureza da Solda Suave\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/material-properties.org\/pt-br\/o-que-e-resistencia-e-dureza-da-solda-macia-60-40-solda-definicao\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"O que \u00e9 resist\u00eancia e dureza da solda macia \u2013 Solda 60-40 - Defini\u00e7\u00e3o | Propriedades do material\" \/>\n<meta property=\"og:description\" content=\"A resist\u00eancia \u00e0 tra\u00e7\u00e3o m\u00e1xima da solda macia \u2013 a solda 60-40 depende muito da temperatura, mas para 19\u00b0C \u00e9 de cerca de 56 MPa. Dureza Brinell de solda macia \u2013 60-40 solda aproximadamente 16 HB. 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