Al对Cu-Zr-Ti基块体非晶合金力学性能的影响

孙渊; 袁子洲; 王剑; 张香云

doi:10.15980/j.tzzz.2013.01.017

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Al对Cu-Zr-Ti基块体非晶合金力学性能的影响
Effects of Al Addition on Mechanical Properties of Cu-Zr-Ti Based Bulky Amorphous Alloy
2013年33卷第1期页码：73-76
纸质出版日期： 2013 ，
DOI： 10.15980/j.tzzz.2013.01.017

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[1]孙渊,袁子洲,王剑,张香云.Al对Cu-Zr-Ti基块体非晶合金力学性能的影响[J].特种铸造及有色合金,2013,33(01):73-76.

Sun Yuan, Yuan Zizhou, Wang Jian, et al. Effects of Al Addition on Mechanical Properties of Cu-Zr-Ti Based Bulky Amorphous Alloy[J]. Special Casting & Nonferrous Alloys, 2013,33(1):73-76.
[1]孙渊,袁子洲,王剑,张香云.Al对Cu-Zr-Ti基块体非晶合金力学性能的影响[J].特种铸造及有色合金,2013,33(01):73-76. DOI： 10.15980/j.tzzz.2013.01.017.

Sun Yuan, Yuan Zizhou, Wang Jian, et al. Effects of Al Addition on Mechanical Properties of Cu-Zr-Ti Based Bulky Amorphous Alloy[J]. Special Casting & Nonferrous Alloys, 2013,33(1):73-76. DOI： 10.15980/j.tzzz.2013.01.017.

摘要

研究了不同Al含量对Cu-Zr-Ti基块体非晶合金力学性能的影响。X射线衍射（XRD）图谱显示

制备态试样均为完全非晶结构。室温压缩试验及显微硬度测试表明

当Al含量（摩尔分数）达到6%时

试样的抗压强度为2002MPa

断裂应变量为6.48%

显微硬度（HV）为767.6。用扫描电镜（SEM）对（Cu60Zr33Ti7）94Al6试样的压缩断面进行观察

发现由于断面上存在大量均匀细小韧窝抑制剪切带的快速扩展

导致合金力学性能的提高。

Abstract

Effects of different Al additions on mechanical properties of Cu-Zr-Ti based amorphous alloy were investigated. The samples prepared exhibit totally amorphous structure by XRD （X-ray diffraction）. With 6% Al addition

compressive strength

fracture strain and micro-hardness of samples reach 2 002 MPa and 6.48% and 767.6

respectively. The compressive fracture of （Cu60Zr33Ti7）94Al6 amorphous alloy was observed. The results show that the improvement of mechanical properties of the amorphology is attributed to amouts of uniformly distributed fine dimples in the fracture restricting the rapid propagation of shearing band.