Sintering behavior of fly ash/NiCr functionally graded materials prepared by spark plasma sintering (SPS)

被引：0
|
作者：
Daio M. [1 ]
Hasezaki K. [1 ]
Shinoda R. [2 ]
Oikawa T. [2 ]
Yoshioka I. [2 ]
机构：
[1] Department of Materials Science, Shimane University, Matsue 690-8504
[2] Chugoku Electric Power Co.,Inc., Naka-Ku, Hiroshima 730-8701
来源：
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy | 2010年 / 57卷 / 05期
关键词：
Fly ash; Functionally graded materials; Sintering; Spark plasma sintering;
D O I：
10.2497/jjspm.57.333
中图分类号：
学科分类号：
摘要：
Fly ash/NiCr alloy functionally graded materials (FGMs) of φ 100 mm plate were prepared by spark plasma sintering (SPS). FGMs of simple stacking structure (fly ash/NiCr) and sandwich stacking structure (NiCr/fly ash/ NiCr, fly ash/NiCr/fly ash) 3 to 4 mm in thickness were prepared. The deformation of simple stacked sample was caused by thermal expansion differences. The cross-section and elemental profiles of simple stacked sample were studied by scanning electron microscopy (SEM) and electron probe microanalysis (EPMA), respectively. The sandwich stacked sample of fly ash/NiCr = (100/0, 60/40, 40/60, 60/40, 100/0) had a flat shape and free of the surface crack.
引用
收藏
页码：333 / 337
页数：4
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