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Steel surface hardness using laser deposition and active gas shielding

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
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The addition of a steel and titanium carbide mixture is laser melted on a steel surface in air or in a shielding gas having a significant nitrogen content. The resulting steel surface has improved hardness and bead shape.
Babu, Sudarsanam S. (Knoxville, TN), Martukanitz, Richard P. (State College, PA), Tressler, Jay (Bellefonte, PA)
10/ 674,213
September 29, 2003
[0001] 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.