Hydrogen redistribution in titanium due to bending stress studied by micro ERDA

doi:10.1016/S0168-583X(03)01091-7

	Hydrogen redistribution in titanium due to bending stress studied by micro ERDA
	Grambole, D ; Wang, T ; Herrmann, F ; Eichhorn, F
	2003-09
关键词	microprobe elastic recoil detection analysis hydrogen diffusion titanium titanium hydride mechanical bending
卷号	210
DOI	10.1016/S0168-583X(03)01091-7
页码	526-530
英文摘要	The influence of bending stress on the hydrogen. behaviour in titanium was investigated by elastic recoil detection analysis with a heavy ion microbeam (micro ERDA) and X-ray diffraction (XRD). The samples were made by hydrogen ion implantation into polished pure titanium sheets. Three-dimensional hydrogen distributions were obtained by scanning the microbeam over the sample using the depth information of ERDA. Inhomogeneous hydrogen distributions in the titanium were observed which vary with the depth. With mechanical bending of the samples the inhomogeneities increased in varied grade. The surface hydrogen loaded by surface polishing is stable, whereas the implanted hydrogen located inside of the sample is mobile under bending. These different hydrogen behaviours are relevant to the chemical states of hydrogen. Different titanium hydrides are formed by the different loading methods. An relatively unknown titanium-dihydride phase (TiH2(x)) with a tetragonal texture was identified by XRD in the depth region of implanted hydrogen. It is less stable than the normal titanium-dihydride phase (TiH2(delta)) observed in the surface region. The change of hydrogen distribution is related to the dehydrogenation of the TiH2(x) and TiH(gamma) under bending. (C) 2003 Elsevier B.V. All rights reserved.
会议录	NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
会议录出版者	ELSEVIER SCIENCE BV
会议录出版地	PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
语种	英语
WOS研究方向	Instruments & Instrumentation ; Nuclear Science & Technology ; Physics
WOS记录号	WOS:000185352300097
内容类型	会议论文
源URL	[http://119.78.100.186/handle/113462/57448]
专题	中国科学院近代物理研究所
通讯作者	Grambole, D
作者单位	1.Forschungszentrum Rossendorf EV, Inst Ionenstrahlphys & Mat Forsch, D-01314 Dresden, Germany 2.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
推荐引用方式 GB/T 7714	Grambole, D,Wang, T,Herrmann, F,et al. Hydrogen redistribution in titanium due to bending stress studied by micro ERDA[C]. 见:.