Research for new material with high rigidity and fracture resistivity

研究了多次会聚拉丝工艺对TiB 2颗粒形貌的影响及其对材料弹性模量和塑性的影响。主要结果如下：[1]复合材料的杨氏模量随TiB_2颗粒含量的增加而线性增加。[2]拉丝次数的增加对延性的改善是有效的。[3]加入的TiB 2颗粒通过反复会聚拉丝工艺在基体丝材中溶解并再析出。

The morphology change of TiB2 particles by using repeat converging wire drawing process and its effects on Young' s modulus and ductility were studied. The main results are as follows:[1] The Young' s modulus linearly increases with the amount of TiB2 particles.[2] The increase in the number of wire drawing is effective for the improvement of ductility.[3] The added TiB2 particles are solved and re-precipitate in matrix wire by repeat converging wire drawing process.