Powder metallurgy of Al-based composites reinforced with Fe-based glassy particles: Effect of microstructural modification

被引：14
|
作者：
Balci, Ozge [1 ]
Prashanth, Konda Gokuldoss [2 ]
Scudino, Sergio [3 ]
Somer, Mehmet [1 ]
Eckert, Juergen [2 ,4 ]
机构：
[1] Koc Univ, Dept Chem, TR-34450 Istanbul, Turkey
[2] Austrian Acad Sci, Erich Schmid Inst Mat Sci, Leoben, Austria
[3] IFW Dresden, Inst Complex Mat, Solidificat Proc & Complex Struct, Dresden, Germany
[4] Univ Leoben, Dept Mat Phys, Leoben, Austria
来源：
PARTICULATE SCIENCE AND TECHNOLOGY | 2019年 / 37卷 / 03期
关键词：
Al matrix composites; Al powders; glassy particles; hot pressing; mechanical milling; microstructure; ALLOY MATRIX COMPOSITES; MECHANICAL-PROPERTIES; FABRICATION; SIZE;
D O I：
10.1080/02726351.2017.1355859
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Al metal matrix composites reinforced with high volume fraction of Fe50.1Co35.1Nb7.7B4.3Si2.8 glassy particles were fabricated by mechanical milling followed by hot pressing. Elemental Al powders blended with 60 vol.% of glassy particles were mechanically milled for 1, 5, 10, 15, and 20 h, respectively. Selected samples were sintered by uniaxial hot pressing under Ar atmosphere. The changes in the microstructure along with their mechanical properties were investigated. Structural and microstructural characterization followed by microhardness and compression test results of the bulk composite material is reported. The use of high volume fraction of Fe-based glassy particles as reinforcement led to significant hardening of the Al matrix while leading to a remarkable combination of high strength and plasticity.
引用
收藏
页码：286 / 291
页数：6
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