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Ti-47Al-2Cr-2Nb-0.2W-0.15B合金板材的制备及其拉伸性能
王刚; 徐磊; 崔玉友; 杨锐
2010-10-18
Conference Name第十四届全国钛及钛合金学术交流会
Source Publication第十四届全国钛及钛合金学术交流会论文集
Conference Date2010-10-18
Conference Place上海
Abstract本文采用感应熔炼气体雾化法制备Ti-47Al-2Cr-2Nb-0.2W-0.15B预合金粉末,对预合金粉末进行表征,通过热等静压工艺制备TiAl基合金坯料。应用包套叠轧的方法轧制出TiAl基合金板材,对轧制的TiAl基合金板材进行不同相区的热处理,分别得到双态组织和全片层组织,对热处理后的TiAl基合金进行拉伸性能测试。结果表明:TiAl基合金的预合金粉末主要由α2相和少量γ相组成,热等静压致密化处理后的板坯组织细小均匀。拉伸实验表明,双态和全片层组织的TiAl基合金板材在高于700℃时,其塑性大幅提高;双态组织TiAl基合金板材的断裂形式主要以韧性断裂为主,而全片层TiAl基合金板材的断裂形式仍为脆性断裂。
description.department中国科学院 金属研究所,沈阳 110016
Keyword钛铝合金 板材轧制 包套叠轧 金相结构
Funding Organization中国有色金属学会;中国金属学会;中国材料研究学会;中国有色金属工业协会
Language中文
Document Type会议论文
Identifierhttp://ir.imr.ac.cn/handle/321006/70940
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
王刚,徐磊,崔玉友,等. Ti-47Al-2Cr-2Nb-0.2W-0.15B合金板材的制备及其拉伸性能[C],2010.
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