Structure and transformations of metastable phases in Zr-Nb and Ti-V alloys

被引：2
|
作者：
Cuello, GJ
Aurelio, G
Guillermet, AF
Campo, J
机构：
[1] Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France
[2] Ctr Atom Bariloche, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina
[3] Consejo Nacl Invest Cient & Tecn, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina
[4] Univ Zaragoza, CSIC, Inst Ciencia Mat Aragon, E-50009 Zaragoza, Spain
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2002年 / 74卷 / Suppl 1期
关键词：
D O I：
10.1007/s003390201677
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An experimental study is presented of the effect of an isothermal heat treatment ('aging') upon the structural properties of three metastable phases in Zr-Nb and Ti-V alloys, viz. alpha (hcp), beta (bcc) and Omega, formed by quenching the alloys from 1273 K. Using neutron-diffraction experiments, the constitution of the aged alloys and the structural parameters of the resulting aged phases were determined. By combining lattice-Parameter measurements with previously established correlations in the Zr-Nb and Ti-V systems, new information on the composition of the aged phases was obtained. For long aging times the alpha and beta phases seem to be approaching equilibrium conditions, which opens up the possibility of using quenching-and-aging experiments to gain insight into the metastable phase diagram of these systems, which is not accurately known from experiments.
引用
收藏
页码：S1069 / S1071
页数：3
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