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| Effect of Length to Diameter Ratio on Compressive Properties of W Fiber/Zr-based Metallic Glass Composite |
| ZHANG Bo1,2,**, XIE Bowen1, FU Huameng2, ZHANG Haifeng2 |
1. School of Materials Science and Engineering, Shenyang Aerospace University, Shenyang, 110136, China 2. Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China |
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Cite this article:
ZHANG Bo, XIE Bowen, FU Huameng, ZHANG Haifeng. Effect of Length to Diameter Ratio on Compressive Properties of W Fiber/Zr-based Metallic Glass Composite. Chinese Journal of Materials Research, 2016, 30(8): 575-580.
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Abstract The W fiber/Zr-based metallic glass composite was prepared by infiltration and rapid solidification. The effect of the ratios of length to diameter of fibers on the compressive properties of the composite was investigated in detail. The results show that the yield strength firstly decreases with the increase of the length to diameter ratio then reaches a stable value when the ratio is greater than 1. The plastic strain has no obvious change when the ratio is greater than or equal to 1.25, while the plastic strain is bigger than 50% when the ratio is smaller than 1.25. The reason for these phenomena is the comprehensive effect of the friction force between pressure head and the end of the compressive sample, the change of the length to diameter ratio of the metallic glass fibers between W fibers and the mismatching between metallic glass matrix and the W fiber during deformation.
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Received: 23 March 2016
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| Fund: *Supported by National Natural Science Foundation of China No.51401131 |
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