Ion irradiation induced nanocrystal formation in amorphous Zr55Cu30Al10Ni5 alloy

被引：41

作者：

Carter, Jesse ^{[1
]}

Fu, E. G. ^{[2
]}

Martin, Michael ^{[1
]}

Xie, Guoqiang ^{[3
]}

Zhang, X. ^{[2
]}

Wang, Y. Q. ^{[4
]}

Wijesundera, D. ^{[5
,6
]}

Wang, X. M. ^{[5
,6
]}

Chu, Wei-Kan ^{[5
,6
]}

McDeavitt, Sean M. ^{[1
]}

Shao, Lin ^{[1
]}

机构：

[1] Texas A&M Univ, Dept Nucl Engn, College Stn, TX 77843 USA

[2] Texas A&M Univ, Dept Mech Engn, College Stn, TX 77843 USA

[3] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

[4] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[5] Univ Houston, Texas Ctr Superconduct, Houston, TX 77204 USA

[6] Univ Houston, Dept Phys, Houston, TX 77204 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2009年 / 267卷 / 17期

关键词：

Metallic glass; Ion irradiation; Crystallization; BULK METALLIC GLASSES; ELECTRON-IRRADIATION; MECHANICAL-PROPERTIES; THERMAL CRYSTALLIZATION; SUPERCOOLED LIQUID; ZIRCONIUM ALLOYS; TEMPERATURE; BEHAVIOR; PHASE; TRANSFORMATION;

D O I：

10.1016/j.nimb.2009.05.068

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Ion irradiation can be used to induce partial crystallization in metallic glasses to improve their surface properties. We investigated the microstructural changes in ribbon Zr55Cu30Al10Ni5 metallic glass after 1 MeV Cu-ion irradiation at room temperature, to a fluence of 1.0 x 10(16) cm(-2). In contrast to a recent report by others that there was no irradiation induced crystallization in the same alloy [S. Nagata, S. Higashi, B. Tsuchiya, K. Toh, T. Shikama, K. Takahiro, K. Ozaki, K. Kawatusra, S. Yamamoto, A. Inouye, Nucl. Instr. and Meth. B 257 (2007) 420], we have observed nanocrystals in the as-irradiated samples. Two groups of nanocrystals, one with diameters of 5-10 nm and another with diameters of 50-100 nm are observed by using high resolution transmission electron microscopy. Experimentally measured planar spacings (d-values) agree with the expectations for Cu10Zr7, NiZr2 and CuZr2 phases. We further discussed the possibility to form a substitutional intermetallic (NixCu1-x)Zr-2 phase. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：2827 / 2831

页数：5

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