Characterization and formation mechanism of nanocrystalline W-Al alloy prepared by mechanical alloying

被引：21

作者：

Rafiei, Mahdi ^{[2
]}

Khademzadeh, Saeed ^{[2
]}

Parvin, Nader ^{[1
]}

机构：

[1] Amirkabir Univ Technol, Dept Min & Met Engn, Tehran, Iran

[2] Isfahan Univ Technol, Dept Mat Engn, Esfahan, Iran

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2010年 / 489卷 / 01期

关键词：

Mechanical alloying; W-Al alloys; Nanostructured materials; FE3AL;

D O I：

10.1016/j.jallcom.2009.09.056

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：

Tungsten and aluminum elemental powders with composition W-20 wt.% Al were mechanical alloyed in high energy planetary ball mill. Structural and morphological changes of powder particles after different milling times were studied by X-ray diffractometer, scanning electron microscopy and microhardness measurements. Mechanical alloying of this system led to the formation of W-Al alloy as a result of formation of W/Al layered microstructure having faceted interface between layers. This alloy indicated high microhardness value of about 570 Hv. (c) 2009 Elsevier B.V. All rights reserved.

引用

页码：224 / 227

页数：4

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