SiC_p/ZL201复合材料的力学性能

MECHANICAL PROPERTIES OF SiC p/ZL201 COMPOSITE

研究了ＳｉＣｐ尺寸、含量及热处理工艺对铸造ＳｉＣｐ／ＺＬ２０１复合材料的室温和高温力学性能的影响。随ＳｉＣｐ含量的提高和粒子尺寸的增大，复合材料的室温抗拉强度呈下降趋势。随温度升高，基体合金的抗拉强度急剧下降，而复合材料的则下降较小。当温度大于２４０℃时复合材料的抗拉强度高于基体合金，表明ＳｉＣｐ的加入显著提高了基体合金的高温抗拉强度。

The mechanical properties of SiC/ZL201 composites at room temperature and high temperature have been studied. The influences of mass fraction, size of SiC p and procedure of heat treatment on the mechanical properties of SiC/ZL201 composites have been dealed with at room and high temperatures. The tensile strength of the composites decreases with the increase of mass fraction and size of SiC p, but its high temperature mechanical properties are better than its matrix alloy.