Unusual compressive plasticity of a centimeter-diameter Zr-based bulk metallic glass with high Zr content

被引：36

作者：

Li, Y. H. ^{[1
,2
]}

Zhang, W. ^{[2
]}

Dong, C. ^{[2
]}

Qiang, J. B. ^{[2
]}

Yubuta, K.

Makino, A.

Inoue, A.

机构：

[1] Tohoku Univ, Inst Mat Res, Aoba Ku, Grad Sch, Sendai, Miyagi 9808577, Japan

[2] Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2010年 / 504卷

关键词：

Bulk metallic glass; Mechanical property; Zr-based alloys; Compressive strain; FREE-VOLUME; ALLOYS; MM;

D O I：

10.1016/j.jallcom.2010.02.069

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：

The thermal stability, melting behavior, and glass-forming ability of Zr70Al8Cu22-xNix (x = 3-19 at.%) metallic glasses were investigated. Fully glassy sample with largest critical diameter of 10 mm was obtained for alloy with x = 8.5 in the alloy series, which corresponds to a deep eutectic, largest supercooled liquid region, and largest gamma value. Room temperature compression test revealed that the monolithic Zr70Al8Cu13.5Ni8.5 bulk metallic glass exhibits a high yield strength of 1570 MPa, a Young's modulus of 80 GPa, and a super large plastic strain more than 70%. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：S2 / S5

页数：4

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