单向拉伸中TB5钛合金组织转变的原位观察

柳长旭; 吴国清; 沙爱学; 王清瑞

单向拉伸中TB5钛合金组织转变的原位观察

1.
北京航空航天大学材料科学与工程学院, 北京 100191
2. 北京航空材料研究院, 北京 100095

基金项目: 北京市科技新星计划资助项目(2007B016); 教育部长江学者和创新团队发展计划资助项目(IRT0805)

详细信息

中图分类号: TG113.12
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出版历程
- 收稿日期: 2011-06-01
- 网络出版日期: 2012-11-30

Situ observations of structural transformation in TB5 titanium alloy during one way tensile test

1.
School of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
2. Beijing Institute of Aeronautical Materials, Beijing 100095, China

摘要

摘要: 通过单向拉伸下的视频显微镜原位观察,定量研究了Ti-15V-3Cr-3Sn-3Al(即为TB5)钛合金显微组织在拉伸过程中的演变规律.结果表明:单向拉伸时,该钛合金在弹性阶段组织变化不明显,而在塑性阶段随变形量的增加,组织中滑移带的变化可分为单滑移、多滑移和交滑移3个阶段.在单向拉伸过程中,由于滑移带从单滑移进入到多滑移,发生了几何硬化,导致晶粒变化减缓,滑移带的转动幅度变小.
- 钛合金 /
- 统计 /
- 显微组织 /
- 拉伸 /
- 滑移带
Abstract: Microstructure transformation in Ti-15V-3Cr-3Sn-3Al(TB5) titanium alloy during one way tensile test was studied in situ observations of the video microscope. The results show that the change of the microstructure of the titanium alloy in uniaxial tension is not obvious in the elastic stage, but according to the change of the slip bands in the microstructure it can be divided into three stages following with the increase of the deformation in the plastic stage. The three stages are the single slip, the multiple slip and the cross slip.Geometric hardening occurs from the single slip to the multiple slip in uniaxial tension, so the change of the grains slows down and the rotation range of the slip bands is smaller.
- titanium alloy /
- statistics /
- microstructure /
- tensile /
- slip bands

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参考文献(14)

[1]	Zhang Fangzhe,Zhou Qing,Chen Wenjie,et al.Study on two stage superplastic behavior of Ti-15-3 alloy in Beta phase area[J].Hot Working Technology,2010,39(2):17-20
[2]	Ji Renfeng,Min Xinhua,Hu Hongjian,et al.Effect of heat treatment on microstructure and mechanical property of Ti-15-3 hot-rolled bar[J].Rare Metals and Cemented Carbide,2010,38(2):49-52
[3]	Huang Deming,Yang Xiongfei,Wei Qingfeng,et al.Cause analysis of fracture for TB5 slab[J].Iron Steel Vanadium Titanium,2011,32(1):23-28
[4]	Imam M A,Poulose P K,Rath B B.Beta titanium alloys in the 1990’s[M].Warrendale: The Minerals, Metals and Materials Society,1993:261-271
[5]	Wang Qingru,Zhang Qingling,Wei Shouyong.Performance data of Ti-15-3 alloy[J].Materials Engineering,1996(11):17-21
[6]	Boyer R R.An overview on the use on titanium in the aerospace industry[J].Materials Science and Engineering,1996,A213(1/2):103-114
[7]	Chang Rongfu,Chen Xiaodai.Research and experiment of the performance of sheet metal strengthened forming[J].Aviation Engineering and Maintenance,1984(1/2):44-47
[8]	Panda S K,Kumar D R,Kumar H,et al.Characterization of tensile properties of tailor welded IF steel sheets and their formability in stretch forming[J].Materials Processing Technology,2007,183(2/3):321-332
[9]	Li Caiju,Gu Jialin,Liu Qing.Superplastic of Ti-15-3 titanium alloy[J].Journal of Aeronautical Materials,2003,18(4):52-58
[10]	Lee Y S,Kim M C,Kim S W,et al.Experimental and analytical studies for forming limit of AZ31 alloy on warm sheet metal forming[J].Materials Processing Technology,2007,187/188:103-107
[11]	Lindgren M,Bexell U,Wikström L.Roll forming of partially heated cold rolled stainless steel[J].Materials Processing Technology,2009,209(7):3117-3124
[12]	Li X W,Lu M X,Sha A X,et al.The tensile deformation behavior of Ti-3Al-4.5V-5Mo titanium alloy[J].Materials Science and Engineering A, 2008,490(1/2):193-197
[13]	Sanders D G,Ramulu M,Klock-McCook E J,et al.Characterization of superplastically formed friction stir weld in Titanium 6Al-4V:preliminary results[J].Journal of Materials Engineering and Performance,2008,17(2):187-192
[14]	Guo Qiang,Wang Qing,Han Xiuli,et al.Precipitation behavior of α phase and mechanical properties in severely plastic deformed Ti-15-3 alloy[J].Rare Metal Materials and Engineering,2011,40(3):377-383