{"id":8481,"date":"2026-03-25T11:07:49","date_gmt":"2026-03-25T11:07:49","guid":{"rendered":"https:\/\/smartfactory.lt\/?p=8481"},"modified":"2026-03-25T11:07:52","modified_gmt":"2026-03-25T11:07:52","slug":"material-selection-assumptions-design-failure","status":"publish","type":"post","link":"https:\/\/smartfactory.lt\/lt\/material-selection-assumptions-design-failure\/","title":{"rendered":"There are times when I can be certain that something will go wrong before we even put ink on paper"},"content":{"rendered":"<p>Not due to poor design<br \/>\n  Not because of an inefficient team<\/p>\n<p>It is because of one commonality between all of these scenarios \ud83d\udc47<br \/>\n  <strong>An incorrect assumption underlying the material selection<\/strong><\/p>\n<p>Most often, you would hear a statement like:<br \/>\n  <em>&#8222;Let\u2019s just go with PA12&#8221;<\/em><\/p>\n<p>That is not a decision &#8211; it\u2019s a default \u2757<\/p>\n<p>Defaults are based on some perception of the material being used, as well as other realities that are being ignored at the time of selection.<\/p>\n<p>There are also times when materials that should perform well in theory fail in practice.<\/p>\n<p>I have watched parts:<\/p>\n<ul>\n<li>deform after assembly<\/li>\n<li>lose alignment over time<\/li>\n<li>feel &#8222;cheap&#8221; even though the material itself was appropriate<\/li>\n<\/ul>\n<p>In almost all cases, the failure to meet design specifications was not due to improper design. It was due to improper material selection.<\/p>\n<p>So my focus is not just on what is being designed. But on what is not being questioned.<\/p>\n<p>The sooner the assumptions around material selection are challenged, the better the outcome will be \ud83d\ude80<\/p>\n<p>Because once you print the part &#8211; the design is done. And every assumption you made about material performance has already been validated.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Not due to poor design Not because of an inefficient team It is because of one commonality between all of these scenarios \ud83d\udc47 An incorrect assumption underlying the material selection Most often, you would hear a statement like: &#8222;Let\u2019s just go with PA12&#8221; That is not a decision &#8211; it\u2019s a default \u2757 Defaults are [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":8482,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[10],"tags":[],"class_list":["post-8481","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Avoiding Common Material Selection Mistakes | Brand<\/title>\n<meta name=\"description\" content=\"Why do designs fail despite great engineering? Learn why material selection assumptions are the hidden cause of part failure in production.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/smartfactory.lt\/material-selection-assumptions-design-failure\/\" \/>\n<meta property=\"og:locale\" content=\"lt_LT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Avoiding Common Material Selection Mistakes | Brand\" \/>\n<meta property=\"og:description\" content=\"Why do designs fail despite great engineering? 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