Thermal expansion and indentation-induced free volume in Zr-based metallic glasses measured by real-time diffraction using synchrotron radiation

被引：113

作者：

Hajlaoui, K

Benameur, T

Vaughan, G

Yavari, AR

机构：

[1] Inst Natl Polytech Grenoble, ENSEEG, LTPCM, CNRS, F-38402 St Martin Dheres, France

[2] ENIM, Lab Genie Mecan, Monastir, Tunisia

[3] European Synchrotron Radiat Facil, F-38042 Grenoble, France

来源：

SCRIPTA MATERIALIA | 2004年 / 51卷 / 09期

关键词：

metallic glass; synchrotron radiation; plastic deformation; free volume; structural relaxation;

D O I：

10.1016/j.scriptamat.2004.07.008

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Changes in thermal expansion coefficient and excess free volume content during in situ heating-cooling cycles of metallic glasses in the as-quenched state and after indentation were measured in the temperature range between 350 and 670 K by real-time diffraction. It was found that deformation produced by an array of ball indentations generate more than 37% increase of free volume in Zr-based glassy ribbons. (C) 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：843 / 848

页数：6

共 19 条

[1]

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