Microstructure transition from lamellar eutectic to anomalous eutectic of Nb-Si based alloy powders by heat treatment and spark plasma sintering
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- 作者：Yueling Guo ; Lina Jia ; jialina@buaa.edu.cn ; Bin Kong ; Shengnan Zhang ; Jiangbo Sha ; Hu Zhang
- 关键词：Nb-Si alloy ; High-temperature alloys ; Powder metallurgy ; Eutectic solidification ; Heat treatment ; Phase transitions
- 刊名：Journal of Alloys and Compounds
- 出版年：2017
- 出版时间：5 March 2017
- 年：2017
- 卷：696
- 期：Complete
- 页码：516-521
- 全文大小：1165 K
- 卷排序：696
文摘
Nb-Si based alloy powders were featured by fine lamellar eutectic structures. The transition from lamellar eutectic to anomalous eutectic was observed. Heat treatment at >900 °C resulted in a significant decrease in hardness.