{"id":119290,"date":"2023-01-20T08:41:30","date_gmt":"2023-01-20T07:41:30","guid":{"rendered":"https:\/\/material-properties.org\/o-que-e-tribologia-definicao\/"},"modified":"2023-02-01T07:39:17","modified_gmt":"2023-02-01T06:39:17","slug":"o-que-e-tribologia-definicao","status":"publish","type":"post","link":"https:\/\/material-properties.org\/pt-br\/o-que-e-tribologia-definicao\/","title":{"rendered":"O que \u00e9 tribologia &#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\">Tribologia \u00e9 a ci\u00eancia interdisciplinar da intera\u00e7\u00e3o de superf\u00edcies em movimento relativo.\u00a0A tribologia inclui o estudo e a aplica\u00e7\u00e3o dos princ\u00edpios de fric\u00e7\u00e3o, lubrifica\u00e7\u00e3o e desgaste sob carga aplicada.<\/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><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-30548 alignright\" src=\"https:\/\/material-properties.org\/wp-content\/uploads\/2020\/07\/wear-types-of-wear-974x1024.png\" alt=\"desgaste\" width=\"557\" height=\"586\" \/><span>Em geral,\u00a0<\/span><strong><span>veste <\/span><\/strong><span>\u00e9 um dano superficial induzido mecanicamente que resulta na remo\u00e7\u00e3o progressiva de material devido ao movimento relativo entre essa superf\u00edcie e uma subst\u00e2ncia ou subst\u00e2ncias em contato.\u00a0Uma subst\u00e2ncia em contato pode consistir em outra superf\u00edcie, um fluido ou part\u00edculas duras e abrasivas contidas em alguma forma de fluido ou suspens\u00e3o, como um lubrificante, por exemplo.\u00a0Assim como acontece com o atrito, a presen\u00e7a de desgaste pode ser boa ou ruim.\u00a0O desgaste produtivo e controlado pode ser encontrado em processos como usinagem, corte, retifica\u00e7\u00e3o e polimento.\u00a0No entanto, na maioria das aplica\u00e7\u00f5es tecnol\u00f3gicas, a ocorr\u00eancia de desgaste \u00e9 altamente indesej\u00e1vel e \u00e9 um problema extremamente caro, pois leva \u00e0 deteriora\u00e7\u00e3o ou mesmo \u00e0 falha de componentes.\u00a0Em termos de seguran\u00e7a, muitas vezes n\u00e3o \u00e9 t\u00e3o grave (ou t\u00e3o repentina) quanto a fratura.\u00a0Isso porque o desgaste costuma ser antecipado.<\/span><\/p>\n<p><span>Certas caracter\u00edsticas do material, como\u00a0<\/span><strong><span>dureza<\/span><\/strong><span>, tipo de carboneto e porcentagem de volume, podem ter um impacto decisivo na resist\u00eancia ao desgaste de um material em uma determinada aplica\u00e7\u00e3o.\u00a0<\/span><strong><span>O desgaste<\/span><\/strong><span>, como a corros\u00e3o, tem v\u00e1rios tipos e subtipos, \u00e9 previs\u00edvel at\u00e9 certo ponto e \u00e9 bastante dif\u00edcil de testar e avaliar de forma confi\u00e1vel no laborat\u00f3rio ou em servi\u00e7o.<\/span><\/p>\n<h2><span>Tribologia<\/span><\/h2>\n<p><strong><span>A tribologia<\/span><\/strong><span>\u00a0\u00e9 a ci\u00eancia interdisciplinar da intera\u00e7\u00e3o de superf\u00edcies em movimento relativo.\u00a0A tribologia inclui o estudo e a aplica\u00e7\u00e3o dos princ\u00edpios de fric\u00e7\u00e3o, lubrifica\u00e7\u00e3o e desgaste sob carga aplicada.\u00a0A opera\u00e7\u00e3o eficiente e o desempenho robusto desses componentes da m\u00e1quina s\u00e3o altamente dependentes da tribologia.\u00a0Controlar o atrito ajuda a reduzir a perda de energia e melhorar a efici\u00eancia e a vida \u00fatil das m\u00e1quinas.\u00a0O desgaste do material de uma superf\u00edcie pode levar a danos graves e falha do componente e\/ou da m\u00e1quina.\u00a0A abordagem mais comum para reduzir o atrito e minimizar o desgaste e falhas catastr\u00f3ficas dos componentes da m\u00e1quina ou da pr\u00f3pria m\u00e1quina \u00e9 por meio de uma sele\u00e7\u00e3o adequada de materiais e lubrificantes.\u00a0Na maioria dos componentes da m\u00e1quina, os lubrificantes s\u00e3o usados \u200b\u200bpara reduzir o atrito e evitar o desgaste.<\/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 su-spoiler-closed\" 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\"><\/div><\/div><\/div><\/span><\/p>\n<p><span>Ci\u00eancia de materiais:<\/span><\/p>\n<ol>\n<li><span>Departamento de Energia dos EUA, Ci\u00eancia de Materiais.\u00a0DOE Fundamentals Handbook, Volume 1 e 2. Janeiro de 1993.<\/span><\/li>\n<li><span>Departamento de Energia dos EUA, Ci\u00eancia de Materiais.\u00a0DOE Fundamentals Handbook, Volume 2 e 2. Janeiro de 1993.<\/span><\/li>\n<li><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><\/li>\n<li><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><\/li>\n<li><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><\/li>\n<li><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><\/li>\n<li><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><\/li>\n<li><span>JR Lamarsh, AJ Baratta, Introdu\u00e7\u00e3o \u00e0 Engenharia Nuclear, 3\u00aa ed., Prentice-Hall, 2001, ISBN: 0-201-82498-1.<\/span><\/li>\n<\/ol>\n<p><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>Use<a href=\"https:\/\/www.nuclear-power.com\/nuclear-engineering\/metals-what-are-metals\/failure-modes-of-materials\/wear\/\" 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>Tribologia<\/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,\u00a0Tribologia, 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 Tribologia - Defini\u00e7\u00e3o | Propriedades do material<\/title>\n<meta name=\"description\" content=\"Tribologia\u00a0\u00e9 a ci\u00eancia interdisciplinar da intera\u00e7\u00e3o de superf\u00edcies em movimento relativo. 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