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锻造工艺对Ti60合金棒材组织和性能的影响
引用本文:王宝善,贾蔚菊,渠维猛,俞汉清,周义刚,曾卫东,王青江.锻造工艺对Ti60合金棒材组织和性能的影响[J].钛工业进展,2011,28(1):8-11.
作者姓名:王宝善  贾蔚菊  渠维猛  俞汉清  周义刚  曾卫东  王青江
作者单位:1. 陕西宏远锻造有限责任公司,陕西,三原,713801
2. 西北工业大学凝固技术国家重点实验室,陕西,西安,710072
3. 中国科学院金属研究所,辽宁,沈阳,110015
摘    要:研究了常规锻造,近β锻造和β锻造对Ti60合金棒材显微组织和力学性能的影响规律。结果发现:Ti60合金棒材经常规锻造和近β锻造后,得到等轴组织,近β锻造的等轴α相较少,β锻造组织为典型的网篮组织,局部有大块α相出现。力学性能结果分析表明,近β锻造具有最好的强度与塑性的匹配。采用SEM观察了拉伸试样的断口形貌,结果表明,常规锻造和近β锻造的试样为韧窝型断口,而β锻造的试样为韧窝+准解理的混合型断口。

关 键 词:Ti60合金  锻造工艺  微观组织  拉伸性能

Influence of Forging Processes on Microstructure and Mechanical Properties of Ti60 Alloy
Authors:Wang Baoshan  Jia Weiju  Qu Weimeng  Yu Hanqing  Zhou Yigang  Zeng Weidong  Wang Qingjiang
Affiliation:Wang Baoshan1,Jia Weiju2,Qu Weimeng1,Yu Hanqing2,Zhou Yigang2,Zeng Weidong2,Wang Qingjiang3 (1.Shaanxi Hongyuan Aviation Forging Industry Co.,Ltd.,Sanyuan 713801,China)(2.Northwestern Polytechnic University,Xi'an 710072,China)(3.Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China)
Abstract:The influence of forging processes on the microstructure and mechanical properties of Ti60 alloy was investigated.The experimental results showed that the forging processes have a significant influence on the microstructure and tensile properties of Ti60 alloy,near-β forged materials exhibit a good combination of tensile strength and ductility.SEM analysis on the fractograph of the tensile specimen was performed,it showed that the fractographs of the α+β and near-β forged materials were characterized by dimple,while the β forged one was mixture of quasi-cleavage and dimples.
Keywords:Ti60 titanium alloy  forging process  microstructure  tensile property    
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