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2 GH4169合金自耗锭不同部位元素分布 (mass fraction / %)
Table 2 Element distributions in different locations of VAR ingot of GH4169 alloy
Position of ingotRegionAlTiNbMo
Edge

Interdendritic region

Dendritic arm

0.457

0.491

1.249

0.910

6.082

3.376

3.160

2.768

R/2

Interdendritic region

Dendritic arm

0.477

0.513

1.256

0.846

6.442

2.870

2.964

2.545

Center

Interdendritic region

Dendritic arm

0.452

0.526

1.329

0.752

6.639

2.494

3.110

2.501