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Friction Stir Processing of Cast Superalloys

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: NNX10RA26C
Agency Tracking Number: 067115
Amount: $600,000.00
Phase: Phase II
Program: SBIR
Solicitation Topic Code: X9
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 2010
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): 2011-09-30
Small Business Information
1963 North Main Street
Orange, CA 92865
United States
DUNS: 621604128
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Edward Chen
 Principal Investigator
 (714) 283-2118
 transition45@sbcglobal.net
Business Contact
 Edward Chen
Title: President
Phone: (714) 283-2118
Email: transition45@sbcglobal.net
Research Institution
N/A
Abstract

This SBIR effort examines the feasibility of an innovative fabrication technology incorporating sand casting and friction stir processing (FSP) for producing affordable near net shape components made from high performance Ni-based superalloys. Sand casting is a relatively inexpensive casting method not traditionally used to manufacture superalloy castings. Instead of expensive "invested" ceramic shells found in investment casting, the molds are produced from a mixture of inexpensive fine sand and/or graphite powder. Friction stir processing is an emerging microstructural modification technique based on friction stir welding (FSW). It can be applied to enhance the microstructure-properties of the cast material thus improve the damage tolerance capabilities. This step is needed to allow cast superalloy rocket propulsion components to be used without casting factors. If this unique technology can be successfully developed and applied, it will have the tremendous potential for reducing the weight and cost of Ni-based superalloy castings that are used in industries as diverse as rocket propulsion, aircraft engines, land-based gas turbines, and chemical process industry pumps and valves.

* Information listed above is at the time of submission. *

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