Optimized High Performance Stainless Steel Powder for Selective Laser Melting Additive Manufacturing (AM)

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N68335-16-C-0250
Agency Tracking Number: N16A-007-0077
Amount: $79,909.00
Phase: Phase I
Program: STTR
Awards Year: 2016
Solicitation Year: 2016
Solicitation Topic Code: N16A-T007
Solicitation Number: 2016.0
Small Business Information
QuesTek Innovations LLC
1820 Ridge Avenue, Array, Evanston, IL, 60201
DUNS: 088176961
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Jason Sebastian
 (847) 425-8227
 jsebastian@questek.com
Business Contact
 Voula Colburn
Phone: (847) 425-8215
Email: vcolburn@questek.com
Research Institution
 The University of Louisville Research Foundation,
 Lauren Goralski
 2301 S 3rd Street
\N
Louisville, KY, 40292
 (502) 852-2597
 Nonprofit college or university
Abstract
Additive Manufacturing (AM) promises to be an innovative technology that can enable rapid manufacturing of complex parts at greatly reduced cycle time. With the maturation of selective laser melting (SLM) AM technologies there is increasing interest in applying this manufacturing method to the production of aircraft structural components, many of which are made of high-strength stainless steels. However, recent results from a number of researchers has indicated significant process sensitivities in the SLM processing of high strength stainless steels such as 17-4PH, which if not corrected may limit the application of this manufacturing method. In this Phase I STTR program, QuesTek Innovations, a leader in the field of integrated computational materials engineering (ICME), is partnering with the University of Louisvilles Rapid Prototyping Center to design and develop a new powder specification for high-strength martensitic precipitation-hardenable stainless steel optimized for the unique processing conditions and challenges of Additive Manufacturing processing. QuesTek is uniquely suited to rapidly designing new alloys specifically optimized for AM processing using its advanced Materials by Design stage-gate alloy development process, which is based upon computationally-implemented mechanistic models to predict process-structure and structure-property relationships.

* information listed above is at the time of submission.

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