高温合金单晶铸件中共晶组织分布的表面效应

马德新, 赵运兴, 徐维台, 皮立波, 李重行

Surface Effect on Eutectic Structure Distribution in Single Crystal Superalloy Castings

MA Dexin, ZHAO Yunxing, XU Weitai, PI Libo, LI Zhongxing

图1 变截面试棒的形状尺寸示意图

Fig.1 Schematic of a bar sample with abrupt increase (section B) and decrease in diameter (section A)