Skip to Content
Find More Like This
Return to Search

HEAT TREATMENT TO ANNEAL RESIDUAL STRESSES DURING ADDITIVE MANUFACTURING

United States Patent Application

20170217093
A1
View the Complete Application at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
An additive manufacturing system having a heat source for melting powder particles in a desired shape and pattern to produce a product. A secondary heat source is used for heat treating the product to achieve heat treatment. The secondary heat source is used to peen or anneal residual stresses caused by the additive manufacturing process.
DeMuth, James A. (Livermore, CA), Bayramian, Andrew (Manteca, CA), El-dasher, Bassem S. (Sammamish, WA), Farmer, Joseph C. (Tracy, CA), Kramer, Kevin J. (Redmond, WA), Rubenchik, Alexander (Livermore, CA)
15/ 008,989
January 28, 2016
STATEMENT AS TO RIGHTS TO APPLICATIONS MADE UNDER FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT [0001] The United States Government has rights in this application pursuant to Contract No. DE-AC52-07NA27344 between the United States Department of Energy and Lawrence Livermore National Security, LLC for the operation of Lawrence Livermore National Laboratory.