摘要
采用热轧、热锻和热挤压三种方法对铸态Ｆｅ_３Ａｌ基合金进行开坯，发现开坯后Ｆｅ_３Ａｌ铸态组织中粗大柱状晶被破碎，晶界网状析出物消除；热锻和热挤压后坯料晶粒大小分布均匀，而热轧后晶粒大小不一，三种方法开坯后坯料经相同的工艺轧制成板材，在室温下对板材性能进行测试，结果表明以挤压开坯方法最佳而热轧开坯最差。
The cast Fe_3 Al-based alloys were cogged by hot-rolling,forging and extruding.It was found that the coarse columnar grain of Fe_3Al cast structure had been broken and grain boundary network precipitates were dissolved after cogging,The grain size of blank dispersed uniformly,but only after forging or extruding and not after hot-rolling,After cogging the blank was rolled by the same technological process.The tensile properties of sheet were the best by extruding cogging and the worst by hotrolling cogging.
出处
《兵器材料科学与工程》
CSCD
北大核心
1996年第3期8-14,共7页
Ordnance Material Science and Engineering
基金
国家"863"计划资助
