AN APFIM TEM ANALYSIS OF THE DISCONTINUOUS PRECIPITATION IN A NI-7.5 AT-PERCENT IN ALLOY

被引：0
|
作者：
GEBER, GP
HAASEN, P
机构：
[1] Institut für Metallphysik der Universität Göttingen and SFB 345, 37073 Göttingen
来源：
APPLIED SURFACE SCIENCE | 1994年 / 76卷 / 1-4期
关键词：
D O I：
10.1016/0169-4332(94)90343-3
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Discontinuous precipitation (DP) in a Ni-7.5at%In alloy has been studied by means of atom-probe field ion microscopy (APFIM). A back-polishing method using a transmission electron microscope (TEM) has been developed to prepare APFIM specimens in a systematic manner, so that the reaction front and the two-phase lamellar structure can be positioned in the tip apex. APFIM results of the subsequent analysis of the chemical composition across the interfaces are reported.
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页码：198 / 202
页数：5
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