固溶温度对GH4742合金力学性能及γ' 相的影响

秦鹤勇, 李振团, 赵光普, 张文云, 张晓敏

Effect of Solution Temperature on Mechanical Properties and γ' Phase of GH4742 Superalloy

QIN Heyong, LI Zhentuan, ZHAO Guangpu, ZHANG Wenyun, ZHANG Xiaomin

表1 实验用GH4742合金的化学成分

Table 1 Chemical composition of GH4742 superalloy (mass fraction, %)

Component C Si Mn P S Cr Mo Co Al Ti Nb GH4742 0.05 0.039 <0.005 <0.005 <0.004 13.97 4.88 10 2.71 2.80 2.60