Warm work processing for iron base alloy

Details Warm work processing for iron base alloy Warm work processing for iron base alloy

1992-01-27

1993-06-29

Yee, Deborah

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148608, C21D 800

Patent

active

052230538

ABSTRACT:
A process for strengthening heavy, thick-section forgings of precipitation age hardenable iron base superalloys. The process includes initial recrystallization to achieve a uniform grain size, intermediate temperature warm working at controlled strain rates and for limited amounts of deformation, and precipitation heat treating. The controlled warm working conditions avoid further recrystallization, thus preserving the strain hardening which improves the mechanical properties.

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