退火工艺制备Cu46Zr46Al8复相非晶合金的显微组织
Microstructure of Cu46Zr46Al8 Complex Phase Amorphous Alloy Prepared by Annealing
摘 要
通过不同的退火工艺制备了Cu46Zr46Al8块体复相非晶合金, 并对其显微组织和晶体相形貌进行了研究。结果表明: 退火后Cu46Zr46Al8非晶合金内析出的晶体相为CuZr、Cu8Zr3和Cu10Zr7; 在427 ℃温度下随退火时间的延长, 析出的晶体相形貌发生了球状、花瓣状、十字形树枝状、多枝晶臂树枝状的转变。
退火处理
晶化
CuZr-based amorphous composite
annealing treatment
crystallization
Abstract
The Cu46Zr46Al8 complex phase amorphous alloys were prepared by different annealing treatments, then the microstructure and morphology of the crystal phase were investigated. The results show that after annealing, crystal phases including CuZr, Cu8Zr3 and Cu10Zr7 precipitated from the Cu46Zr46Al8 amorphous alloy. With prolonging the annealing time at 427 ℃, the precipitated crystal phase morphology changed as follows, i.e., spherical shape→ petal-like shape→ cross dendrite shape→ dendrite shape with multi-branch.
中图分类号 TB331 TG139
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收稿日期 2010/3/7
修改稿日期 2010/12/8
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备注李玮(1984-), 男, 河北石家庄人, 硕士研究生。
引用该论文: LI Wei,MA Guo-zhi,CHEN Zhen-hua. Microstructure of Cu46Zr46Al8 Complex Phase Amorphous Alloy Prepared by Annealing[J]. Materials for mechancial engineering, 2011, 35(6): 13～15
李玮,马国芝,陈振华. 退火工艺制备Cu46Zr46Al8复相非晶合金的显微组织[J]. 机械工程材料, 2011, 35(6): 13～15
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【3】张海峰, 丁炳哲, 胡壮麒.块状金属玻璃研究与进展[J].金属学报, 2001, 37(11):1454-1459.
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【7】李玮, 陈鼎, 陈振华. 内生晶相对铜基复合材料力学性能的影响[J].材料热处理学报, 2010, 31(8):1-5.
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【12】王焕荣, 滕新营, 石志强.非晶态Cu56Zr44合金的结构及其等温退火晶化过程的研究[J].物理学报, 2001, 11(5):2192-2197.
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