利用材料万能试验机、扫描电子显微镜等仪器系统分析了粗晶工业纯钛在高、低温环境下的变形及损伤行为.结果表明:工业纯钛的压缩变形及损伤行为与温度密切相关.随着温度升高,压缩屈服强度、峰值应力以及流变应力逐渐减小.表面变形及损伤特征发生相应的变化,在200℃以下表现出反常的随温度升高塑形变形能力下降的现象.
参考文献
[1] | Wang Kathy .The use of titanium for medical applications in the USA[J].Materials Science and Engineering A,1996,213(1-2):134-137. |
[2] | Boyer R R .An overview on the use of titanium in the aerospace industry[J].Materials Science and Engineering A,1996,213(1-2):103-114. |
[3] | D.R.Chichili;K.T.Ramesh;K.J.Hemker .The high-strain-rate response of alpha- titanium: experiments, deformation mechanisms and modeling[J].Acta materialia,1998(3):1025-1043. |
[4] | Tan X;Gu H;Laird C et al.Cyclic deformation behavior of high-purity titanium single crystals:Part Ⅰ.Orientation dependence of stress-strain response[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1998,29A(02):507-512. |
[5] | Tan X;Guo H;Gu H et al.Cyclic deformation behavior of high-purity titanium single crystals:Part Ⅱ.microstructure and mechanism[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1998,29A(02):513-518. |
[6] | Zeng Z P;Zhang Y S;Jonsson S .Deformation behavior of commercially pure titanium during simple hot compression[J].Materials & Design,2009,30(08):3105-3111. |
[7] | Feng-Wu Long;Qing-Wei Jiang;Lin Xiao .Compressive Deformation Behaviors of Coarse- and Ultrafine-Grained Pure Titanium at Different Temperatures: A Comparative Study[J].Materials transactions,2011(8):1617-1622. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%