MICROSEGREGATION OF CAST DS200 + HF SINGLE-CRYSTAL

被引：4

作者：

BALDAN, A

机构：

[1] Division of Materials Science and Technology, CSIR, Pretoria, 0001

来源：

JOURNAL OF MATERIALS SCIENCE | 1990年 / 25卷 / 09期

关键词：

D O I：

10.1007/BF00582481

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Data from electron microprobe have been used to investigate the segregation characteristics of DS200 + Hf single-crystal superalloy. Dendritic and (γ + γ′) eutectic reaction segregations have been investigated in detail. The results showed that segregations of aluminium, titanium, niobium, hafnium and nickel elements increased from dendritic structure towards the interdendritic and eutectic regions, whereas cobalt, tungsten and chromium showed the reverse segregation characteristics. © 1990 Chapman and Hall Ltd.

引用

页码：4054 / 4059

页数：6