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| 1 | 钨骨架/Zr基非晶合金材料的静态力学行为显示文摘利用渗流铸造法制备出直径为8 mm、钨颗粒体积分数达40%的钨骨架/Zr基非晶合金复合材料,在室温下通过电子万能试验机对材料进行静态压缩实验.通过扫描电子显微镜(SEM)技术对复合材料的原始组织和断裂特征、裂纹扩展等情况进行研究.结果表明:材料在静态加载条件下屈服强度不具有应变率效应,其值基本保持不变;材料塑性良好,具有应变强化效应.复合材料断裂模式为一种混合断裂模式,在变形带间交界处发现若干裂纹.非晶基体阻碍钨骨架中裂纹的扩展,钨骨架防止复合材料发生大范围的流变. | 潘念侨 杜忠华 徐璐 | 2016 | 有色金属科学与工程2016，7，1： | 3 |
| 2 | Effect of infiltrating time on interfacial reaction and properties of tungsten particles reinforced Zr-based bulk metallic glass composites显示文摘The tungsten particles reinforced Zr41.2Ti13.8Cu12.5Ni10Be22.5 (Vit 1 alloy) bulk metallic glass composites (BMGCs) were prepared by the melt infiltrating casting method with the infiltrating time of 1, 5 and 10 min, respectively. The changes of interfacial reaction and compression properties of the bulk metallic glass composites with different infiltrating times were studied. Results show that with the increase of infiltrating time, tiny nanocrystals are generated at the interfacial boundary of tungsten particles and the amorphous matrix, and the size of tiny crystals increases with the infiltrating time. When the infiltrating time is 10 min, polygonal crystals with a larger size are also generated within the amorphous matrix. The compressive strength of the composites also increases with the infiltrating time. When the infiltrating time is 10 min, the compressive strength of the composite reaches 2,030 MPa and the compression strain is 44%. The fracture morphology of the composite materials is in a vein-like pattern and the melting phenomenon is found on the fracture surface. In addition, the density of the shear bands during the compressive tests of the composite materials increases with the infiltrating time. | Qing-chun Xiang Zhi-bo Feng Wei Zhang Hong-ding Wang Ying-lei Ren Ke-qiang Qiu | 2020 | China Foundry2020，17，4： | 2 |
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