ISOTHERMAL STABILITY AND SELECTED MECHANICAL PROPERTIES OF Zr48Cu36Al8Ag8 BULK METALLIC GLASS

被引：7
作者：
Blyskun, P. [1 ]
Latuch, J. [1 ]
Kulik, T. [1 ]
机构：
[1] Warsaw Univ Technol, Fac Mat Sci & Engn, 141 Woloska Str, PL-02507 Warsaw, Poland
来源：
ARCHIVES OF METALLURGY AND MATERIALS | 2017年 / 62卷 / 03期
关键词：
bulk metallic glasses; isothermal stability; mechanical properties; TTT curve; FORMING ABILITY; ALLOY;
D O I：
10.1515/amm-2017-0266
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The aim of this work was to investigate the influence of isothermal annealing on the amorphous structure stability of the Zr48Cu36Al8Ag8 alloy. A series of continuous heating examinations was performed on the differential scanning calorimeter in order to determine the temperature limits for isothermal annealing series where the time to crystallization was measured. The obtained results were calculated and a time-temperature-transformation diagram was created and discussed. Static compression test as well as microhardness measurements of the as-quenched samples gave a mechanical properties results supplement. The measured properties (sigma(c) = 1800 MPa and 614 HV0.05) are comparable to the literature results for this alloy. Fractographic observations with the scanning electron microscope were also performed in order to prove some plasticity observed during the strength tests.
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页码：1749 / 1753
页数：5
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