B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
13/17
B32B 15/01 (2006.01) B23K 35/00 (2006.01) B23K 35/30 (2006.01)
Patent
CA 1295096
-20- 53,766 ABSTRACT A laminated metal structure and a method of hardsurfacing stainless steel base metals are herein provided for resisting wear of steam turbine components at elevated temperatures. The laminated metal structure employs a buttering layer, sandwiched between the stainless steel base metal and a hardsurfacing layer. The buttering layer consists essentially of nickel or a nickel-based alloy and is selected to have a coefficient of thermal expansion which is between that of the base metal and that of the hardsurfacing material. This improved structure produces a relatively crack-free deposit that can provide greater service life for turbine components with less downtime due to repairs.
569903
Anderson Michael Earl
Kaufman Roland Henry
Qureshi Javaid Iqbal
Spahr William Lester
Bereskin & Parr
Westinghouse Electric Corporation
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