三联熔炼GH4169合金大规格铸锭与棒材元素偏析行为

张勇, 李鑫旭, 韦康, 韦建环, 王涛, 贾崇林, 李钊, 马宗青

Element Segregation in GH4169 Superalloy Large-Scale Ingot and Billet Manufactured by Triple-Melting

ZHANG Yong, LI Xinxu, WEI Kang, WEI Jianhuan, WANG Tao, JIA Chonglin, LI Zhao, MA Zongqing

表1 三联熔炼GH4169和Inconel 718合金棒材主要化学成分 (mass fraction / %)

Table 1 Main chemical compositions of triple smelted GH4169 and Inconel 718 alloys

Alloy C Mo Cr Nb Al Ti Co Ni P Si S Fe GH4169 0.027 2.96 17.84 5.38 0.54 1.01 <0.1 53.6 0.0099 0.063 0.0004 Bal. Inconel 718 0.027 2.98 18.04 5.40 0.54 1.02 0.37 53.5 0.0079 0.061 0.0003 Bal.