Heat treatment giving a stable high temperature micro-structure

Details Heat treatment giving a stable high temperature micro-structure Heat treatment giving a stable high temperature micro-structure

1986-10-10

1988-04-12

Brody, Christopher W.

Metal treatment

Stock

Ferrous

148326, 420 57, 420101, C22C 3706

Patent

active

047372044

ABSTRACT:
A novel micro-structure developed in a cast austenitic stainless steel alloy and a heat treatment thereof are disclosed. The alloy is based on a multicomponent Fe-Cr-Mn-Mo-Si-Nb-C system consisting of an austenitic iron solid solution (.gamma.) matrix reinforced by finely dispersed carbide phases and a heat treatment to produce the micro-structure. The heat treatment includes a prebraze heat treatment followed by a three stage braze cycle heat treatment.

REFERENCES:
patent: 2839391 (1958-06-01), Loveless
patent: 3165400 (1965-01-01), Ray et al.
patent: 3366972 (1968-01-01), Tanczyn et al.
patent: 3420660 (1969-01-01), Kawahata et al.
patent: 3615920 (1971-10-01), Tolento
patent: 3925064 (1975-12-01), Takamura et al.

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