长期时效对GH4698合金组织和性能的影响

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	长期时效对GH4698合金组织和性能的影响
	梁永纯; 袁超; 郭建亭; 侯介山
	2007-05-22
Conference Name	第十一届中国高温合金年会
Source Publication	动力与能源用高温结构材料--第十一届中国高温合金年会论文集
Conference Date	2007-05-22
Conference Place	上海
Abstract	本文研究了GH4698合金在650℃长期无应力时效过程中,组织的变化及其对性能的影响。结果表明:在长达10000h的时效后,合金的组织稳定,无有害相析出；室温拉伸强度基本保持不变,伸长率和断面收缩率略有下降；650℃、720MPa光滑持久寿命和持久伸长率有所提高。
description.department	中国科学院金属研究所,辽宁,沈阳,110016
Keyword	镍基高温合金长期时效显微组织力学性能
Funding Organization	中国金属学会
Language	中文
Document Type	会议论文
Identifier	http://ir.imr.ac.cn/handle/321006/70543
Collection	中国科学院金属研究所
Recommended Citation GB/T 7714	梁永纯,袁超,郭建亭,等. 长期时效对GH4698合金组织和性能的影响[C],2007.

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