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Nano-composite stainless steel

United States Patent

July 14, 2015
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A composite stainless steel composition is composed essentially of, in terms of wt. % ranges: 25 to 28 Cr; 11 to 13 Ni; 7 to 8 W; 3.5 to 4 Mo; 3 to 3.5 B; 2 to 2.5 Mn; 1 to 1.5 Si; 0.3 to 1.7 C; up to 2 O; balance Fe. The composition has an austenitic matrix phase and a particulate, crystalline dispersed phase.
Dehoff; Ryan R. (Knoxville, TN), Blue; Craig A. (Knoxville, TN), Peter; William H. (Knoxville, TN), Chen; Wei (Oak Ridge, TN), Aprigliano; Louis F. (Berlin, MD)
UT-Battelle, LLC (Oak Ridge, TN)
13/ 465,360
May 7, 2012
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH The United States Government has rights in this invention pursuant to contract no. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.