Effects of Sn content on the microstructure, phase constitution and   shape memory effect of Ti-Nb-Sn alloys

doi:10.1016/j.msea.2007.08.073

CORC > 北京大学 > 工学院

	Effects of Sn content on the microstructure, phase constitution and shape memory effect of Ti-Nb-Sn alloys
	Wang, B. L. ; Zheng, Y. F. ; Zhao, L. C.
刊名	materials science and engineering a structural materials properties microstructure and processing
	2008
关键词	Ti-Nb-Sn alloys microstructure phase constitution shape memory effect MECHANICAL-PROPERTIES BEHAVIOR TEXTURE
DOI	10.1016/j.msea.2007.08.073
英文摘要	The effect of Sn content on the microstructure, phase constitution and shape memory effect of Ti-16Nb-xSn (x=4.0, 4.5, 5.0 at%) alloys were investigated by means of optical microscopy, X-ray diffraction, transmission electron microscopy and bending test. With the increase of Sn content, the beta phase becomes stable. The solution-treated Ti-16Nb-4Sn alloy is composed of alpha '' and beta phases at room temperature, whereas the solution-treated Ti-16Nb-5Sn alloy is only composed of beta phase at room temperature. TEM observation shows that there is parallel lamellar alpha '' martensite with the substructure of (1 (1) over bar (2) over bar) type I twin in the 'Fi-16Nb-4Sn alloy. There exists the dislocation wall inside the single beta phase in the Ti-16Nb-5Sn alloy. The shape recovery ratio decreases with increasing the bending strain and the bending temperature, which is in correspondence with the different deformation mechanisms at different temperature ranges. The shape recovery ratio shows a decreasing trend with the increase of Sn content at the same bending strain and temperature. The maximum completely recovery strain is around 4%. (C) 2007 Elsevier B.V. All rights reserved.; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering; SCI(E); EI; 37; ARTICLE; 1-2; 146-151; 486
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/248897]
专题	工学院
推荐引用方式 GB/T 7714	Wang, B. L.,Zheng, Y. F.,Zhao, L. C.. Effects of Sn content on the microstructure, phase constitution and shape memory effect of Ti-Nb-Sn alloys[J]. materials science and engineering a structural materials properties microstructure and processing,2008.
APA	Wang, B. L.,Zheng, Y. F.,&Zhao, L. C..(2008).Effects of Sn content on the microstructure, phase constitution and shape memory effect of Ti-Nb-Sn alloys.materials science and engineering a structural materials properties microstructure and processing.
MLA	Wang, B. L.,et al."Effects of Sn content on the microstructure, phase constitution and shape memory effect of Ti-Nb-Sn alloys".materials science and engineering a structural materials properties microstructure and processing (2008).