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Microstructure and Fracture Behavior of Zr55Cu30Al10Ni5 Bulk Metallic Glass and Its Composites Containing ZrO2
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Microstructure and Fracture Behavior of Zr55Cu30Al10Ni5 Bulk Metallic Glass and Its Composites Containing ZrO2
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the National Science Foundation of China (50771063)

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    摘要:

    The microstructure and fracture behavior of Zr55Cu30Al10Ni5 monolithic glass and Zr55Cu30Al10Ni5 reinforced with 5%-7% ZrO2 particles composites have been studied. Vein-like pattern is the main fracture morphology of the matrix, while the smooth regions can be observed on the composites fracture surface besides vein-like pattern. The fracture strength increases from 1716 MPa to 2138 MPa after adding 7vol% ZrO2 particles with average particle size of 1 μm into the matrix, but the composites show no visible plasticity due to formation of Cu10Zr7 and CuZr phases in the matrix

    Abstract:

    The microstructure and fracture behavior of Zr55Cu30Al10Ni5 monolithic glass and Zr55Cu30Al10Ni5 reinforced with 5%-7% ZrO2 particles composites have been studied. Vein-like pattern is the main fracture morphology of the matrix, while the smooth regions can be observed on the composites fracture surface besides vein-like pattern. The fracture strength increases from 1716 MPa to 2138 MPa after adding 7vol% ZrO2 particles with average particle size of 1 μm into the matrix, but the composites show no visible plasticity due to formation of Cu10Zr7 and CuZr phases in the matrix

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Chu Zhenhua, Huang Bin, Yuan Guangyin, Zhang Jian, Yin Jian, Ding Wenjiang. Microstructure and Fracture Behavior of Zr55Cu30Al10Ni5 Bulk Metallic Glass and Its Composites Containing ZrO2[J].稀有金屬材料與工程,2011,40(5):765~768.[Chu Zhenhua, Huang Bin, Yuan Guangyin, Zhang Jian, Yin Jian, Ding Wenjiang. Microstructure and Fracture Behavior of Zr55Cu30Al10Ni5 Bulk Metallic Glass and Its Composites Containing ZrO2[J]. Rare Metal Materials and Engineering,2011,40(5):765~768.]
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  • 收稿日期:2010-05-16
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