Ti microalloying effect on corrosion resistance and thermal stability of Cu45Zr48A17 bulk metallic glass

被引：2
|
作者：
Yang, Xiao-hong [1 ]
Nie, Xi-peng [2 ,3 ]
Jiang, Jian-zhong [2 ,3 ]
机构：
[1] Jinhua Polytech, Jinhua 321007, Zhejiang, Peoples R China
[2] Zhejiang Univ, Int Ctr New Struct Mat ICNSM, Hangzhou 310027, Peoples R China
[3] Zhejiang Univ, Dept Mat Sci & Engn, Lab New Struct Mat, Hangzhou 310027, Peoples R China
来源：
MECHATRONICS AND INTELLIGENT MATERIALS II, PTS 1-6 | 2012年 / 490-495卷
基金：
中国国家自然科学基金;
关键词：
Bulk metallic glass; Corrosion resistance; Thermal properties; Glass forming ability; ALLOYS; DIAMETER; MM;
D O I：
10.4028/www.scientific.net/AMR.490-495.3868
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Bulk metallic glasses (BMGs) of Cu45Zr48-xAl7Tix with x= 0, 1.5, and 3 at.% were prepared by copper mould casting. The corrosion resistance of the BMGs with different Ti contents was examined by potentiodynamic polarization tests and weight loss measurements in 1 N NaOH, 1 N H2SO4, 1 N H2SO4 + 0.01 N NaCl and 0.5 N NaCl solutions, respectively. The newly-developed BMGs' corrosion resistance in Cl-- or both H+ and Cl--ions containing solutions can be greatly enhanced. The influence of Ti addition on glass forming ability (GFA) and thermal stability was investigated by x-ray diffraction and differential scanning calorimetry in detail. The alloy containing 1.5 at.% Ti exhibits the largest GFA, the critical size comes up to 10 mm in diameter.
引用
收藏
页码：3868 / +
页数：4
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