利用压力浸渗制备出钨丝增强Zr41.25Ti13.75Ni10Cu12.5Be22.5块体非晶合金复合材料,采用应变速率为1×10-4s-1的准静态压缩实验及应变速率为2×103 s-1的动态压缩实验的方法,研究了在动载荷作用下该复合材料的力学性能.结果表明:准静态压缩时,复合材料的强度约为1980 MPa,与单一块体非晶合金相比并无显著提高,而塑性提高约5倍,达到11.5%;动态压缩时,复合材料的最大抗压强度升至约2648 MPa,塑性则在1.8%-7.5%之间,复合材料的应变速率敏感指数为0.022.在准静态压缩下,复合材料的抗压强度受到残余热应力及钨丝失稳弯曲极限压应力的影响;在动态压缩下,除了热应力的影响外,还受到钨丝剪切断裂以及复合材料正弦型弯曲行为的影响.后两者使复合材料的抗压强度在动态加载条件下升高.
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