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Heat treatment giving a stable high temperature micro-structure in cast austenitic stainless steel

Patent ·
OSTI ID:866566
 [1];  [2]
  1. Toland, CT
  2. Windsor, CT
+ Show Author Affiliations

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.

Assignee:
United States of America as represented by United States (Washington, DC)
Patent Number(s):
US 4737204
OSTI ID:
866566
Country of Publication:
United States
Language:
English

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Related Subjects

/148/420/
alloy
austenitic
austenitic stainless
based
braze
carbide
carbide phases
cast
cast austenitic
consisting
cycle
developed
disclosed
dispersed
fe-cr-mn-mo-si-nb-c
finely
followed
gamma
giving
heat
heat treatment
iron
matrix
matrix reinforced
micro-structure
multicomponent
novel
phases
prebraze
produce
reinforced
solid
solid solution
solution
stable
stage
stainless
stainless steel
steel
steel alloy
temperature
treatment
treatment followed