Sn含量对DD26单晶高温合金组织与性能的影响

金师行, 梅松, 卢玉章, 黄亚奇, 郑伟, 申健, 张健

Effect of Sn on Microstructure and Properties of DD26 Nickel-based Single Crystal Superalloy

JIN Shihang, MEI Song, LU Yuzhang, HUANG Yaqi, ZHENG Wei, SHEN Jian, ZHANG Jian

图4 不同Sn含量铸态合金中的枝晶干、枝晶间γ′相的形貌

Fig.4 Morphology of γ′ phase in dendrite core and interdendritic regions of as-cast alloys with different Sn contents (a) 0.01%Sn dendrite core, (b) 0.05%Sn dendrite core, (c) 0.10%Sn dendrite core, (d) 0.01%Sn interdendritic region, (e) 0.05%Sn interdendritic region, (f) 0.10%Sn interdendritic region