Dislocation Substructure in Dynamic Recovery and Recrystallization of Hot Worked Austenitic Stainless Steel
作者： L. Fritzemeier , M.J. Luton , H.J. McQueen
DOI: 10.1016/B978-1-4832-8412-5.50024-2
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摘要: ABSTRACT Type AISI 304 stainless steel was deformed by hot torsion at 800, 1000, and 1200°C strain rates of 0.07, 2.3 23s- 1 . Straining interrupted either prior to or after the peak strains specimens were quenched preserve microstructure. Thin foil transmission electron microscopy employed determine substructure evolved to, after, onset dynamic recrystallization. In recovery range, is uniform; whereas in recrystallization regime, it varies from grain grain. The relationship between flow stress average subgrain diameter same for both restoration mechanisms.
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