Resonant vibration analysis for temperature dependence of elastic properties of bulk metallic glass

被引：10
作者：
Bossuyt, Sven [1 ]
Gimenez, Sixto
Schroers, Jan
机构：
[1] Vrije Univ Brussels, Dept Mech Mat & Construct, B-1050 Brussels, Belgium
[2] Katholieke Univ Leuven, Dept Met & Mat Engn, MTM, B-3001 Heverlee, Belgium
[3] Liquidmet Technol, Lake Forest, CA 92630 USA
来源：
JOURNAL OF MATERIALS RESEARCH | 2007年 / 22卷 / 02期
关键词：
D O I：
10.1557/JMR.2007.0065
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The variation of a Zr(57)Nb(5)Cu(15)Ni(13)A(10) bulk metallic glass's elastic constants with temperature and thermal history was investigated, using an impulse excitation technique for resonant vibration analysis. The Young's modulus at 550 K is 78 GPa with a slope of -17 MPa/K in the glass as-produced and increases to 80 GPa with a slope of -26 MPa/K upon annealing. The modulus of the supercooled liquid at 700 K is 74 GPa with a slope of -90 MPa/K, whereas for the crystallized material E = 100 GPa with a slope of -15 MPa/K. These results are interpreted in terms of the vibrational and configurational contributions to the temperature dependence and compared with calorimetry data.
引用
收藏
页码：533 / 537
页数：5
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