SEGREGATION OF HYDROGEN ON ZIRCONIUM(0001) STUDIED BY SIMS, WORK FUNCTION, AUGER-ELECTRON SPECTROSCOPY AND NUCLEAR-REACTION ANALYSIS

被引：0
|
作者：
ZHANG, CS
FLINN, BJ
NORTON, PR
机构：
[1] UNIV WESTERN ONTARIO,DEPT CHEM,INTERFACE SCI WESTERN,LONDON N6A 5B7,ONTARIO,CANADA
[2] UNIV WESTERN ONTARIO,DEPT PHYS,LONDON N6A 5B7,ONTARIO,CANADA
来源：
JOURNAL OF NUCLEAR MATERIALS | 1993年 / 199卷 / 03期
关键词：
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The segregation of hydrogen and deuterium to a Zr(0001) surface was studied by nuclear reaction analysis, work function, SIMS and Auger spectroscopy. An apparent critical temperature of 194-degrees-C was determined for hydrogen segregation and hydride precipitation on this sample, for a bulk hydrogen content of 59 appm, well below the solubility limit for bulk hydride precipitation. The apparent H-diffusion coefficient determined from the segregation (1.98 x 10(-14) m2 s-1 at 150-degrees-C) is lower than the bulk diffusion coefficient in polycrystalline Zr by more than 2 orders of magnitude; we postulate that the kinetics are limited by hydride precipitation.
引用
收藏
页码：231 / 236
页数：6
相关论文
共 50 条
12345