Stereological estimation of microstructural parameters of nickel-based superalloy Waspaloy using TEM methods

被引：36
|
作者：
Wosik, J
Dubiel, B
Kruk, A
Penkalla, HJ
Schubert, F
Czyrska-Filemonowicz, A
机构：
[1] Stanislaw Staszic Univ Min & Met, Fac Met & Mat Sci, PL-30059 Krakow, Poland
[2] Forschungszentrum Julich, Inst Mat & Proc Energy Syst, D-52425 Julich, Germany
来源：
MATERIALS CHARACTERIZATION | 2001年 / 46卷 / 2-3期
关键词：
Waspaloy; quantitative analysis; TEM; gamma prime; coarsening;
D O I：
10.1016/S1044-5803(01)00112-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The nickel-based superalloy Waspaloy, which is precipitation strengthened by coherent gamma' particles, was investigated using different transmission electron microscopy (TEM) imaging conditions in the as-received condition and after long time exposure at 650 degreesC and 750 degreesC. Scanning- transmission electron microscopy (STEM) bright-field images. conventional TEM dark-field images and convergent-beam electron diffraction (CBED) patterns have been taken for a stereological evaluation of the particle size distributions, particle density and volume fraction of primary and secondary coherent gamma' precipitates. (C) 2001 Elsevier Science Inc. All rights reserved.
引用
收藏
页码：119 / 123
页数：5
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