[G] Al・Al合金

[204] Effect of Preheating Temperature and Time Before Accumulative Roll Bonding on the Microstructure and Mechanical Properties of Pure Aluminum Sheets

*劉 文チヤン¹、佐々木 元¹、杉尾 健次郎¹ (1. 広島大工)

キーワード：accumulative roll bonding、preheating condition、ultra-fine grain、re-crystallize、Strengthening mechanism

Since ARB is not only a severe plastic deformation but also a rolling process for production. The study of preheating conditions during ARB is of great significance.