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(
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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()
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图1. GH4169合金自耗锭不同部位枝晶组织的SEM像
Fig.1. SEM images of dendrite structures in different locations of GH4169 vacuum arc remelting (VAR) ingot
(a) edge (b) R/2 (R refer to the VAR ingot radius 254 mm) (c) center
