4.6 Article

Enhanced structural refinement on eutectic medium-entropy alloy CrCoNiNb0.48 by laser remelting

期刊

MATERIALS LETTERS
卷 304, 期 -, 页码 -

出版社

ELSEVIER
DOI: 10.1016/j.matlet.2021.130710

关键词

Microstructure; Indentation and hardness; Eutectic medium entropy alloys; Compression properties; Laser remelting

资金

  1. National Natural Science Foundation of China [52071267, 51631008]

向作者/读者索取更多资源

A novel efficient method for designing eutectic medium-entropy alloys with typical lamellar structure is successfully proposed. After laser remelting, the eutectic lamellar spacing is refined and the hardness of the alloy is significantly increased, with the strain hardening exponent almost doubled compared to the as-cast alloy.
A novel efficient method to design eutectic medium-entropy alloys with typical lamellar structure is successfully proposed. The CrCoNiNb0.48 alloy is prepared with microstructure comprised of FCC and Laves phases. After laser remelting, the nano-scale eutectic lamellar is formed and the eutectic lamellar spacing is refined to approximately 30 nm from 300 nm (as-cast). Thus, the hardness of CrCoNiNb0.48 with laser remelting is approximately 50% increase over as-cast. Moreover, through calculation, the strain hardening exponent of the laser-treated alloy is almost twice of that in the as-cast alloy.

作者

我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。

评论

主要评分

4.6
评分不足

次要评分

新颖性
-
重要性
-
科学严谨性
-
评价这篇论文

推荐

暂无数据
暂无数据