三联熔炼GH4169合金大规格铸锭与棒材元素偏析行为
张勇1, 李鑫旭1, 韦康1, 韦建环1, 王涛1, 贾崇林1, 李钊1, 马宗青2()
Element Segregation in GH4169 Superalloy Large-Scale Ingot and Billet Manufactured by Triple-Melting
ZHANG Yong1, LI Xinxu1, WEI Kang1, WEI Jianhuan1, WANG Tao1, JIA Chonglin1, LI Zhao1, MA Zongqing2()

图8. GH4169棒材不同位置微观组织的SEM像

Fig.8. SEM images of GH4169 billet at different locations
(a) edge (b) R/2 (c) center