通过胞状边界剪裁金属间化合物可以实现强而延展性：富gd中子屏蔽合金的一个例子

IF 5.3 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Scripta Materialia Pub Date : 2025-05-14 DOI:10.1016/j.scriptamat.2025.116759

Kunlei Hou , Suyun He , Boxin Wei , Luqing Cui , Yihu Zang , Peng Zhao , Tian Liang , Guangcai Ma , Yingche Ma

{"title":"通过胞状边界剪裁金属间化合物可以实现强而延展性：富gd中子屏蔽合金的一个例子","authors":"Kunlei Hou , Suyun He , Boxin Wei , Luqing Cui , Yihu Zang , Peng Zhao , Tian Liang , Guangcai Ma , Yingche Ma","doi":"10.1016/j.scriptamat.2025.116759","DOIUrl":null,"url":null,"abstract":"<div><div>Gd is a highly effective element for neutron shielding, but its minimal solubility promotes Gd-rich intermetallics that degrade alloy properties if not properly controlled. This study introduces an innovative approach to refine these intermetallics to a sub-micron scale and achieve a uniform distribution by leveraging the cellular boundaries formed during laser powder bed fusion. These cellular boundaries, combined with the tailored intermetallics, act as “modulators” that effectively impede plastic deformation while permitting dislocation motion, resulting in a satisfying strength-ductility synergy. The findings offer a promising direction for incorporating elements with low solubility but functional properties by tailoring intermetallics through cellular boundary engineering.</div></div>","PeriodicalId":423,"journal":{"name":"Scripta Materialia","volume":"265 ","pages":"Article 116759"},"PeriodicalIF":5.3000,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Tailoring intermetallics via cellular boundary enables strong yet ductile property: An example in Gd-enriched neutron shielding alloys\",\"authors\":\"Kunlei Hou , Suyun He , Boxin Wei , Luqing Cui , Yihu Zang , Peng Zhao , Tian Liang , Guangcai Ma , Yingche Ma\",\"doi\":\"10.1016/j.scriptamat.2025.116759\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>Gd is a highly effective element for neutron shielding, but its minimal solubility promotes Gd-rich intermetallics that degrade alloy properties if not properly controlled. This study introduces an innovative approach to refine these intermetallics to a sub-micron scale and achieve a uniform distribution by leveraging the cellular boundaries formed during laser powder bed fusion. These cellular boundaries, combined with the tailored intermetallics, act as “modulators” that effectively impede plastic deformation while permitting dislocation motion, resulting in a satisfying strength-ductility synergy. The findings offer a promising direction for incorporating elements with low solubility but functional properties by tailoring intermetallics through cellular boundary engineering.</div></div>\",\"PeriodicalId\":423,\"journal\":{\"name\":\"Scripta Materialia\",\"volume\":\"265 \",\"pages\":\"Article 116759\"},\"PeriodicalIF\":5.3000,\"publicationDate\":\"2025-05-14\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Scripta Materialia\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S1359646225002222\",\"RegionNum\":2,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Scripta Materialia","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1359646225002222","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}

引用次数: 0

摘要

Gd是一种非常有效的中子屏蔽元素，但其最小的溶解度会促进富含Gd的金属间化合物，如果控制不当，会降低合金的性能。本研究引入了一种创新的方法，将这些金属间化合物细化到亚微米尺度，并利用激光粉末床熔化过程中形成的细胞边界实现均匀分布。这些细胞边界与定制的金属间化合物相结合，充当“调节剂”，有效地阻止塑性变形，同时允许位错运动，从而产生令人满意的强度-延性协同效应。这一发现为通过细胞边界工程剪裁金属间化合物来结合低溶解度但具有功能特性的元素提供了一个有希望的方向。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Tailoring intermetallics via cellular boundary enables strong yet ductile property: An example in Gd-enriched neutron shielding alloys

查看原文本刊更多论文

Tailoring intermetallics via cellular boundary enables strong yet ductile property: An example in Gd-enriched neutron shielding alloys

Gd is a highly effective element for neutron shielding, but its minimal solubility promotes Gd-rich intermetallics that degrade alloy properties if not properly controlled. This study introduces an innovative approach to refine these intermetallics to a sub-micron scale and achieve a uniform distribution by leveraging the cellular boundaries formed during laser powder bed fusion. These cellular boundaries, combined with the tailored intermetallics, act as “modulators” that effectively impede plastic deformation while permitting dislocation motion, resulting in a satisfying strength-ductility synergy. The findings offer a promising direction for incorporating elements with low solubility but functional properties by tailoring intermetallics through cellular boundary engineering.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

Scripta Materialia 工程技术-材料科学：综合

CiteScore

11.40

自引率

5.00%

发文量

581

审稿时长

34 days

期刊介绍： Scripta Materialia is a LETTERS journal of Acta Materialia, providing a forum for the rapid publication of short communications on the relationship between the structure and the properties of inorganic materials. The emphasis is on originality rather than incremental research. Short reports on the development of materials with novel or substantially improved properties are also welcomed. Emphasis is on either the functional or mechanical behavior of metals, ceramics and semiconductors at all length scales.