Advanced Mo-based composite powders for thermal spray applicatio

Details Advanced Mo-based composite powders for thermal spray applicatio Advanced Mo-based composite powders for thermal spray applicatio

1995-10-03

1997-06-24

Wyszomierski, George

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

75255, 148407, 148423, C22C 2704, C22C 3200

Patent

active

056415800

ABSTRACT:
A molybdenum-based composite powder for thermal spray applications. The composite powder includes a molybdenum-chromium, molybdenum-tungsten, or molybdenum-tungsten-chromium alloy dispersion strengthened with molybdenum carbide (Mo.sub.2 C). The molybdenum-based composite powder may be combined with a nickel-based or cobalt-based alloy to form a two-phase powder blend. The coatings from such powders are made up of molybdenum-based alloy lamellae and, in the two-phase embodiments, nickel-based or cobalt-based alloy lamellae. The coatings exhibit improved corrosion resistance and strength while retaining good sprayability.

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Sampath et al., Proc. 5th National Thermal Spray Conf., pp. 397-403 (1993).
Sampath et al., J. Thermal Spray Technology, vol. 3 (3) pp. 282-288 (1994).

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