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Ti-62222合金的热机械疲劳行为
虞忠良; 李守新; 雷家峰; 刘羽寅
2002-09-01
Conference Name第十一届全国钛及钛合金学术交流会议
Source Publication金属学报第38卷增刊
Conference Date2002-09-01
Conference Place宝鸡
Publication Place沈阳
Publisher《金属学报》编辑部
Abstract研究了Ti-62222合金在200-400℃内不同机械应变幅的热机械疲劳(TMF)行为和等温疲劳(IF)行为.结果表明,200℃的IF寿命高于400℃的IF寿命,同相位的TMF寿命高于反相位的TMF寿命.IF寿命与TMF寿命对比,同相位的TMF寿命高于200℃的IF寿命,反相位的TMF寿命高于400℃的IF寿命.在不同应变幅下,TMF应力响应曲线和IF应力响应曲线不同.SEM断口和纵向剖面金相观察表明,穿晶断裂是主要破坏方式.
description.department中国科学院金属研究所沈阳材料科学国家(联合)实验室(沈阳);中国科学院金属研究所钛合金研究室(沈阳);
KeywordTi-62222合金 等温疲劳 热机械疲劳 钛合金
Funding Organization中国金属学会;中国材料研究学会;中国有色金属学会
Language中文
Document Type会议论文
Identifierhttp://ir.imr.ac.cn/handle/321006/70067
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
虞忠良,李守新,雷家峰,等. Ti-62222合金的热机械疲劳行为[C]. 沈阳:《金属学报》编辑部,2002.
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