Development of Irregular Gas-Atomized Powder for MIM

Award Information
Agency:
Department of Defense
Branch
Army
Amount:
$100,000.00
Award Year:
1995
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
28698
Agency Tracking Number:
28698
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
500 Park East Drive, Woonsocket, RI, 02895
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Charles P. Ashdown
(401) 769-5600
Business Contact:
() -
Research Institute:
n/a
Abstract
Metal Injection Molding (MIM) partsmakers have indicated that the use of alloy metal powders currently available results in unacceptable distortion of large aspect ratio parts. This is attributed to the low "brown" strength of debound parts made with spherical gas atomized powder. This proposal will explore a solution to the problem: the creation of irregular gas atomized powder. It outlines three alternative approaches. The first is the modification of powder shape by milling subsequent to atomization. The second and third approaches are proprietary techniques for producing irregular powder during gas atomization. Irregular powders will be evaluated by injection molding a selected high aspect ratio part, and measuring the distortion following debinding and sintering.

* information listed above is at the time of submission.

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