{"id":3090,"date":"2022-07-13T09:30:00","date_gmt":"2022-07-13T07:30:00","guid":{"rendered":"https:\/\/cirpicme.org\/?page_id=3090"},"modified":"2022-07-26T13:02:40","modified_gmt":"2022-07-26T11:02:40","slug":"procedure-for-identifying-the-thermal-reaction-of-defects-in-solidified-layers-during-the-pbf-lb-m-process-using-active-thermography","status":"publish","type":"page","link":"https:\/\/cirpicme.org\/index.php\/additive-manufacturing-3\/procedure-for-identifying-the-thermal-reaction-of-defects-in-solidified-layers-during-the-pbf-lb-m-process-using-active-thermography\/","title":{"rendered":"Procedure for identifying the thermal reaction of defects in solidified layers during the PBF-LB\/M process using active thermography"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><em>by Fabian Herzer, Johannes Rau, Christian Seidel, Johannes Schilp (Germany)<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Abstract<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The geometrical complexity of additively manufactured parts and the comparatively high densities of the metallic materials used mean that non- destructive testing technologies reach their limits when it comes to post-process testing. In order to still be able to ensure the quality of parts the inspection must be implemented into the build-up process. A suitable technology for this is active thermography, as it can detect defects close to the surface and can use the laser of the manufacturing machine as an excitation source. In this paper, a procedure to identify the thermal reactions of defects in solidified layers and the results for the material 1.4404 are presented.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Keywords<\/strong>: PBF-LB\/M; Lack of fusion; Active thermography; Process monitoring; Defects; Defect categories<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Video presentation<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1080\" style=\"aspect-ratio: 1920 \/ 1080;\" width=\"1920\" controls src=\"https:\/\/cirpicme.org\/wp-content\/uploads\/2022\/06\/Fabian_Herzer.mp4\"><\/video><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Presenting author<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-background\" style=\"background-color:#f3f4f5\"><tbody><tr><td><\/td><td><\/td><td><\/td><\/tr><tr><td><img data-recalc-dims=\"1\" decoding=\"async\" class=\"wp-image-2734\" style=\"width: 150px;\" src=\"https:\/\/i0.wp.com\/cirpicme.org\/wp-content\/uploads\/2022\/06\/Herzer_Fabian_7778--Thomas_Fischer.jpg?w=900&#038;ssl=1\" alt=\"\"><\/td><td><strong>Name:<\/strong><br><br><strong>Affiliation:<\/strong><br><br><strong>Email:<\/strong><\/td><td>Fabian Herzer<br><br>Fraunhofer Institute for Casting, Composite and Processing Technology, Germany<br><br>fabian.herzer@igcv.fraunhofer.de<\/td><\/tr><tr><td><\/td><td><\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>by Fabian Herzer, Johannes Rau, Christian Seidel, Johannes Schilp (Germany) Abstract The geometrical complexity of additively manufactured parts and the comparatively high densities of the metallic materials used mean that non- destructive testing technologies reach their limits when it comes to post-process testing. In order to still be able to&#8230;<\/p>\n<p> <a class=\"continue-reading-link\" href=\"https:\/\/cirpicme.org\/index.php\/additive-manufacturing-3\/procedure-for-identifying-the-thermal-reaction-of-defects-in-solidified-layers-during-the-pbf-lb-m-process-using-active-thermography\/\"><span>Continue reading<\/span><i class=\"crycon-right-dir\"><\/i><\/a> <\/p>\n","protected":false},"author":9,"featured_media":0,"parent":3648,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"nf_dc_page":"","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-3090","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/pages\/3090","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/comments?post=3090"}],"version-history":[{"count":1,"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/pages\/3090\/revisions"}],"predecessor-version":[{"id":3091,"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/pages\/3090\/revisions\/3091"}],"up":[{"embeddable":true,"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/pages\/3648"}],"wp:attachment":[{"href":"https:\/\/cirpicme.org\/index.php\/wp-json\/wp\/v2\/media?parent=3090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}