DEFORMATION BEHAVIOR AND FRACTOGRAPHIC FEATURES OF DUCTILE Cu47Zr47Al6 BULK METALLIC GLASS

被引：0

作者：

Duhamel, C. ^{[1
,2
]}

Das, J. ^{[1
,3
]}

Pauly, S. ^{[1
]}

Lee, K. S. ^{[1
]}

Eckert, J. ^{[1
,3
]}

机构：

[1] Tech Univ Darmstadt, IFG Phys MetalIkunde, Mat & Geowissensch FB 11, D-64287 Darmstadt, Germany

[2] Inst Natl Polytech Grenoble, SIMAP CNRS, F-38402 St Martin Dheres, France

[3] Leibniz Inst Festkorper & Werkstofforsch Dresden, D-01069 Dresden, Germany

来源：

REVIEWS ON ADVANCED MATERIALS SCIENCE | 2008年 / 18卷 / 06期

关键词：

D O I：

暂无

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Cu47Zr47Al6 bulk metallic glass rods of 2 mm diameter (Phi) are prepared by arc-melting and in-situ suction casting. The compressive deformation behavior under quasi-static conditions of the as-cast amorphous alloy exhibits a high yield strength (1600 - 1800 MPa) combined with significant plastic deformation (up to 5%). The fracture surfaces of the deformed samples consist of a mixture of vein-like patterns, river-like patterns and smooth regions. The area covered by vein-like patterns decreases when the ductility of the material increases. Protuberances, which interact strongly with the shear bands, are found at the surface of the deformed specimens.

引用

页码：527 / 532

页数：6

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