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  4. 钛及钛合金ECAP变形研究进展

材料导报, 2010, 24(5): 96-100.

钛及钛合金ECAP变形研究进展

杨西荣 1, , 赵西成 2, , 付文杰 3,

1.西安建筑科技大学冶金学院,西安,710055

2.西安建筑科技大学冶金学院,西安,710055

3.西部材料有限公司,西安,710065

基金项目:   国家自然科学基金项目(50874086)   西安建筑科技大学基础研究基金项目(JC0914)  

关键词： ECAP , 钛及钛合金 , 超细晶 , 显微组织

Review on UFG Titanium and Its Alloys Processed by ECAP

YANG Xirong 1, , ZHAO Xicheng 2, , FU Wenjie 3,

1.西安建筑科技大学冶金学院,西安,710055

2.西安建筑科技大学冶金学院,西安,710055

3.西部材料有限公司,西安,710065

Keywords： ECAP , titanium and titanium alloys , ultra-fine grains , microstructure

综述了等径变曲通道变形(Equal channel angular pressing,ECAP)技术制备超细晶(Ultra fine grain,UFG)钛及钛合金的研究进展.总结了模具参数、变形工艺参数对钛及钛合金ECAP变形及组织的影响,以期通过制定合理的变形工艺制备出组织均匀、性能优良的超细晶钛及钛合金,同时汇总了钛及钛合金ECAP变形组织变形机理、演变机理、ECAP变形组织稳定性及超细晶材料性能(超塑性、疲劳强度、耐腐蚀性等)的研究进展,最后指出ECAP制备超细晶钛及钛合金的研究方向.

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