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6. GH4169棒材TEM分析
Fig.6. TEM images of GH4169 billet
(a) TEM image of grain boundary and second phase
(b) HRTEM image of strengthening phase γ'' and matrx γ
(c) SAED pattern of matrix, γ' and γ''
