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Welding Method for Hydrogen Embrittlement Control

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A welded article includes at least two juxtaposed steel components, each having a tensile strength of at least 1200 MPa, and a weld joint between the juxtaposed steel components. The weld joint is characterized by a volume fraction in the range of 1% to 50% of an essentially homogenous dispersion of austenite having an average particle size in the range of 10 nanometers to 50 micrometers.
Feng, Zhili (Knoxville, TN), David, Stan A. (Knoxville, TN), Tzelepis, Demetrios Alkiviadis (Macomb Twp., MI), Yu, Xinghua (Knoxville, TN)
14/ 614,439
February 5, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0001] The United States Government has rights in this invention pursuant to contract no. DE-AC05-000R22725 between the United States Department of Energy and UT-Battelle, LLC.