Effect of Pass Strain on Grain Refinement in 7475 Al Alloy during Hot Multidirectional Forging

Sitdikov, Oleg; Sakai, Taku; Goloborodko, Alexandre; Miura, Hiromi; Kaibyshev, Rustam

doi:10.2320/matertrans.45.2232

Public

Effect of Pass Strain on Grain Refinement in 7475 Al Alloy during Hot Multidirectional Forging

Published in MATERIALS TRANSACTIONS • Jan 1, 2004

Authors:

Oleg Sitdikov

Taku Sakai

Alexandre Goloborodko

Abstract

Effect of pass strain (Δε) on grain refinement was studied in multidirectional forging (MDF) of a coarse-grained 7475 Al alloy at 490°C under a strain rate of 3 × 10−4 s−1. Samples of rectangular shape were deformed up to accumulated strains of around 6 with subsequent changes in loading direction 9...

Subject

Materials science

Forging

Grain size

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