白斑缺陷对GH4586合金组织和力学性能的影响
谭海兵1, 黄烁2(), 王静1, 李姝1, 朱昌洪1, 钟燕1, 钟世林1, 何爱杰1
Influence of White Spot Defects on Microstructure and Mechanical Property of the GH4586 Alloy
TAN Haibing1, HUANG Shuo2(), WANG Jing1, LI Shu1, ZHU Changhong1, ZHONG Yan1, ZHONG Shilin1, HE Aijie1

图9. GH4586合金真空感应锭凝固过程的数值模拟结果

Fig.9. Numerical simulations of the solidification process of GH4586 alloy VIM ingot for pouring by 1/4 (a1~d1), pouring end (a2~d2), cool for t1 (a3~d3), cool for t2 (a4~d4) and cool for t3 (a5~d5), which t1, t2 and t3 mean the cooling time increased
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(a1~a5) temperature (b1~b5) mass fraction of solid phase (c1~c5) effective stress (d1~d5) total shrinkage porosity