{"id":10404,"date":"2020-06-25T17:41:07","date_gmt":"2020-06-25T17:41:07","guid":{"rendered":"https:\/\/staging.asminternational.org\/hts-new\/questek-introduces-stainless-steel-powder-for-3d-printing-of-high-strength-parts\/"},"modified":"2023-02-23T22:38:53","modified_gmt":"2023-02-23T22:38:53","slug":"questek-introduces-stainless-steel-powder-for-3d-printing-of-high-strength-parts","status":"publish","type":"post","link":"https:\/\/www.asminternational.org\/hts\/questek-introduces-stainless-steel-powder-for-3d-printing-of-high-strength-parts\/","title":{"rendered":"QuesTek introduces stainless steel powder for 3D printing of high-strength parts"},"content":{"rendered":"

QuesTek Innovations LLC, Evanston, Ill., introduces QT 17-4 powder, a stainless steel composition for powder bed fusion additive manufacturing parts for service in either the as-printed condition or applications requiring only a single low-temperature heat treatment. <\/span><\/span><\/p>\n

 <\/p>\n

The development <\/span><\/span>of QT 17-4 powder is significant because it allows for AM production of complex, high-strength stainless steel parts comparable to wrought 17-4 PH, but without the need for expensive cryogenic processing or high-temperature heat treatment. The project has been funded by the U.S. Navy Small Business Innovation Research program.  <\/span><\/span><\/p>\n

 <\/p>\n

Commonly used 17-4 steel in AM often requires higher-cost argon-atomized powder to avoid retained austenite issues, and it yields poor properties; however, even properties of argon-atomized 17-4 properties fluctuate widely and are sensitive to the feedstock composition.<\/span><\/span><\/p>\n

 <\/p>\n

According to Dr. Dana Frankel, QuesTek Manager of Design and Product Development, \u201cWith QuesTek\u2019s QT 17-4 powders, a fully martensitic microstructure is achieved in the as-printed condition. The high-temperature solution heat treatment process, required for conventional 17-4, is not needed for QuesTek\u2019s alloys, and the resulting properties have less variation.\u201d<\/span><\/span><\/p>\n

 <\/p>\n

Two feedstock options are available: QT 17-4 for service in the direct aged condition, and QT 17-4+ for use in the as-printed condition. The corrosion resistance and fatigue performance of both designed AM alloys are equivalent or improved over AM material printed with commercially available 17-4 powders. <\/span><\/span><\/p>\n

 <\/p>\n

QuesTek\u2019s new 17-4 powders can be used in a wide range of industries, including aerospace, defense, medical, chemical processing and energy. QuesTek\u2019s powder was developed using its proven Integrated Computational Materials Engineering (ICME) technologies and Materials by Design<\/span><\/em>\u00ae approach.<\/span><\/span><\/p>\n

\nAlthough QuesTek\u2019s initial effort has focused on powder-based additive manufacturing, its engineers plan to demonstrate one or more wire-based AM processes to enable larger component production at lower cost.<\/span><\/span><\/p>\n

 <\/p>\n

https:\/\/www.questek.com\/materials\/alloys-for-am\/<\/span><\/a><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

QuesTek Innovations LLC, Evanston, Ill., introduces QT 17-4 powder, a stainless steel composition for powder bed fusion additive manufacturing parts for service in either the as-printed condition or applications requiring only a single low-temperature heat treatment.<\/p>\n","protected":false},"author":63103,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[440,441,1],"tags":[],"class_list":["post-10404","post","type-post","status-publish","format-standard","hentry","category-news","category-news-articles","category-uncategorized"],"yoast_head":"\nQuesTek introduces stainless steel powder for 3D printing of high-strength parts - Heat Treating Society<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.asminternational.org\/hts\/results\/-\/journal_content\/56\/10192\/40798964\/NEWS\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"QuesTek introduces stainless steel powder for 3D printing of high-strength parts - 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