48Zr20Nb12Cu5Be15非晶復(fù)合材料的室溫力學(xué)性能以及隨溫度變化的動態(tài)力學(xué)性能進(jìn)行了研究。結(jié)果表明，該非晶復(fù)合材料的室溫拉伸強(qiáng)度約為1350 MPa，斷裂應(yīng)變約為0.13。隨著溫度的升高，該非晶復(fù)合材料的整體狀態(tài)由彈性轉(zhuǎn)變?yōu)檎硰椥浴Ｔ跍?zhǔn)點(diǎn)缺陷模型框架下，引入了諸如損耗因子、相關(guān)系數(shù)等相關(guān)物理參數(shù)，全面分析了該非晶復(fù)合材料動態(tài)力學(xué)行為，并且模型的理論曲線與實(shí)驗(yàn)數(shù)據(jù)擬合程度較好。因此，準(zhǔn)點(diǎn)缺陷模型可以很好地描述不同溫度下的Ti48Zr20Nb12Cu5Be15非晶復(fù)合材料的動態(tài)力學(xué)行為。;The mechanical properties at room temperature and the dynamic mechanical properties at different temperatures of Ti48Zr20Nb12Cu5Be15 metallic glass composite were investigated. Results show that the tensile strength at room temperature of this metallic glass composite is about 1350 MPa and its fracture strain is approximately 0.13. With increasing the temperature, the state of the metallic glass composite changes from elastic to viscoelastic. The physical parameters, such as loss factor and correlation coefficient, are introduced to analyze the dynamic mechanical behavior under the framework of quasi-point defects model, and the theoretical curve fits well with the experiment data. Therefore, the quasi-point defects model can well describe the dynamic mechanical behavior of Ti48Zr20Nb12Cu5Be15 bulk metallic glass composite at different temperatures."/>