国内变形高温合金研制进展

杜金辉,吕旭东,董建新,孙文儒,毕中南,赵光普,邓群,崔传勇,马惠萍,张北江

Research Progress of Wrought Superalloys in China

Jinhui DU,Xudong LV,Jianxin DONG,Wenru SUN,Zhongnan BI,Guangpu ZHAO,Qun DENG,Chuanyong CUI,Huiping MA,Beijiang ZHANG

表2 经不同均匀化制度处理后Ti元素的偏析系数对比

Table 2 Comparisons of K for Ti element after different homogenization schedules

Treatment Mass fraction of Ti in dendrite arm / % Mass fraction of Ti in interdendritic / % K Before homogeneous 3.98 6.37 1.601 Schedule 1 4.71 5.12 1.087 Schedule 2 4.64 5.25 1.131 Schedule 3 4.79 4.86 1.015