{"id":47853,"date":"2026-08-21T13:52:11","date_gmt":"2026-08-21T11:52:11","guid":{"rendered":"https:\/\/cn.quintustechnologies.com\/?post_type=knowledge-center&p=47853"},"modified":"2026-08-21T13:57:45","modified_gmt":"2026-08-21T11:57:45","slug":"mapping-contributions-defects-fatigue-life-ti6al4v-lpbf","status":"publish","type":"knowledge-center","link":"https:\/\/cn.quintustechnologies.com\/en\/knowledge-center\/mapping-contributions-defects-fatigue-life-ti6al4v-lpbf\/","title":{"rendered":"Mapping contributions of defects to the fatigue life of Ti6Al4V from laser powder bed fusion using quantitative fractograph"},"content":{"rendered":"

Researchers from the University of Washington\u2019s Departments of Materials Science & Engineering and Mechanical Engineering, together with The Boeing Company, investigated the fatigue performance of Laser Powder Bed Fusion (L-PBF) Ti-6Al-4V. The study examined how process-related defects and variation within the build influence fatigue life, and how low-temperature, high-pressure Hot Isostatic Pressing (HIP) can improve material performance.<\/p>\n

The results showed that HIP eliminated lack-of-fusion defects as a cause of fatigue failure and substantially reduced variability in fatigue performance. The study also used radial root cause diagrams to better understand the defects contributing to failure.<\/p>\n

Quintus Technologies\u2019 Applications team<\/a> in the US supported the project by providing the HIP processing and recommending HIP parameters designed to optimize the performance of the AM Ti-6Al-4V material.<\/p>\n","protected":false},"featured_media":32250,"menu_order":0,"template":"","knowledge-center_materials":[182],"knowledge-center_processes":[147,487],"knowledge-center_language":[135],"knowledge-center_type":[486],"knowledge-center_industry":[94,162,126,188],"knowledge-center_topic":[112],"class_list":["post-47853","knowledge-center","type-knowledge-center","status-publish","has-post-thumbnail","hentry","knowledge-center_materials-titanium-alloy","knowledge-center_processes-additive-manufacturing","knowledge-center_processes-hip-heat-treatment","knowledge-center_language-english","knowledge-center_type-technical-publication","knowledge-center_industry-aerospace","knowledge-center_industry-defence","knowledge-center_industry-medical","knowledge-center_industry-space","knowledge-center_topic-material-densification"],"acf":[],"_links":{"self":[{"href":"https:\/\/cn.quintustechnologies.com\/en\/wp-json\/wp\/v2\/knowledge-center\/47853","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.quintustechnologies.com\/en\/wp-json\/wp\/v2\/knowledge-center"}],"about":[{"href":"https:\/\/cn.quintustechnologies.com\/en\/wp-json\/wp\/v2\/types\/knowledge-center"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/en\/wp-json\/wp\/v2\/media\/32250"}],"wp:attachment":[{"href":"https:\/\/cn.quintustechnologies.com\/en\/wp-json\/wp\/v2\/media?parent=47853"}],"wp:term":[{"taxonomy":"knowledge-center_materials","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/en\/wp-json\/wp\/v2\/knowledge-center_materials?post=47853"},{"taxonomy":"knowledge-center_processes","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/en\/wp-json\/wp\/v2\/knowledge-center_processes?post=47853"},{"taxonomy":"knowledge-center_language","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/en\/wp-json\/wp\/v2\/knowledge-center_language?post=47853"},{"taxonomy":"knowledge-center_type","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/en\/wp-json\/wp\/v2\/knowledge-center_type?post=47853"},{"taxonomy":"knowledge-center_industry","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/en\/wp-json\/wp\/v2\/knowledge-center_industry?post=47853"},{"taxonomy":"knowledge-center_topic","embeddable":true,"href":"https:\/\/cn.quintustechnologies.com\/en\/wp-json\/wp\/v2\/knowledge-center_topic?post=47853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}