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17. FGH4096合金定向凝固铸锭R/2处微观组织(R为铸锭半径)[68]

Fig.17. Microstructures at R/2 region in directional solidification ingots of FGH4096 alloy (R—radius of ingot)[68](a) primary dendrite (b) secondary dendrite