国内变形高温合金研制进展
杜金辉1,吕旭东1,2(),董建新3,孙文儒4,毕中南1,2,赵光普1,邓群1,崔传勇4,马惠萍1,张北江1
Research Progress of Wrought Superalloys in China
DU Jinhui1,LV Xudong1,2(),DONG Jianxin3,SUN Wenru4,BI Zhongnan1,2,ZHAO Guangpu1,DENG Qun1,CUI Chuanyong4,MA Huiping1,ZHANG Beijiang1

图3. 铸锭一次、二次树枝晶枝晶间距(PDAS和SDAS)的分布状态

Fig.3. Distributions of primary dendrite arm spacing (PDAS) (a) and secondary dendrite arm spacing (SDAS) (b) of ingots (longitudinal section)