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粉末锻造TiAl基合金的显微组织
引用本文:汤金芝,刘咏. 粉末锻造TiAl基合金的显微组织[J]. 粉末冶金工业, 2000, 10(2): 15-18
作者姓名:汤金芝  刘咏
作者单位:中南工业大学粉末冶金国家重点实验室!长沙410083
基金项目:国家863计划课题! (No .71 5 0 0 5 1 1 40 )
摘    要:
研究了粉末冶金TiAl基合金的高温锻造性能及显微组织的变化。结果表明 ,包套锻造是一种适合粉末冶金TiAl基合金高温塑性成形的工艺。锻造后样品的显微组织与变形量及变形区域有关 ,而在随后的热处理过程中 ,样品显微组织的演化存在组织遗传效应。

关 键 词:粉末锻造  TiAl合金  显微组织
修稿时间:1999-08-06

MICROSTRUCTURES OF A PF TiAl BASED ALLOY
Tang Jinzhi,Liu Yong. MICROSTRUCTURES OF A PF TiAl BASED ALLOY[J]. Powder Metallurgy Industry, 2000, 10(2): 15-18
Authors:Tang Jinzhi  Liu Yong
Abstract:
The high temperature forgeability and the microstructure evolution of a PM TiAl based alloy were studied in this work. Results show that the canned forging technique is suitable for the high temperature plastic deformation of PM TiAl based alloys. The microstructure after forging has a close relationship with the deformation degree and the deformation location,and can be inherited during subsequent heat treatment.
Keywords:powder forging  TiAl alloy  microstructure
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