Method for hardfacing metal articles

Details Method for hardfacing metal articles Method for hardfacing metal articles

1988-09-29

1990-07-17

Silverberg, Sam

Coating processes

Electrical product produced

Welding electrode

148 203, 148 166, 219 761, 21912114, 21912164, 21912146, 428662, B05D 306

Patent

active

049420593

ABSTRACT:
The present invention provides a method for applying a hardface alloy coating on a metal substrate concurrently with a nitriding procedure so that the hardface coating is deposited and nitrided in one step. The deposition of the metal hardface coating is conducted in an atmosphere of nitrogen under nitriding conditions. The single step of metal deposition and nitriding is made possible by using a hardface alloy composition containing 20-75% niobium, 5-35% titanium and 10-60% tungsten.

REFERENCES:
patent: 3503787 (1970-03-01), Pendse
patent: 4244751 (1981-01-01), Hioki

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