STUDY OF SINTERING PROCESSES IN COPPER AND NICKEL BY POSITRON-ANNIHILATION

被引：10
|
作者：
KRAUSE, R [1 ]
SCHATT, W [1 ]
VETTER, B [1 ]
POLITY, A [1 ]
机构：
[1] TECH UNIV DRESDEN,BEREICH WERKSTOFFWISSENSCH,O-8027 DRESDEN,GERMANY
来源：
CRYSTAL RESEARCH AND TECHNOLOGY | 1990年 / 25卷 / 07期
关键词：
D O I：
10.1002/crat.2170250715
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
In the advanced stage of non‐isothermal sintering, vacancy clusters are present as prevailing type of defects. Their concentration considerably decreases at further temperature increase, and it can be concluded that thermally activated conversion of multiple vacancies into climbable dislocations takes place. Hence, in conformity with recent experiments, coincidence of intensive material transport (\documentclass{article}\pagestyle{empty}\begin{document}$ \dot \varepsilon $\end{document} e‐maximum) and decrease of defect concentration (recovery) can be understood. Copyright © 1990 WILEY‐VCH Verlag GmbH & Co. KGaA
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页码：819 / 825
页数：7
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