Jian Wang , Bin Liu , Hui Zhou , Yuankui Cao , Qianli Huang , Bingfeng Wang , Jia Li , Qihong Fang , Ao Fu , Yong Liu
{"title":"Additive manufactured oxide-dispersion strengthened FeCrNi medium entropy alloy with superior mechanical properties","authors":"Jian Wang , Bin Liu , Hui Zhou , Yuankui Cao , Qianli Huang , Bingfeng Wang , Jia Li , Qihong Fang , Ao Fu , Yong Liu","doi":"10.1016/j.intermet.2024.108532","DOIUrl":null,"url":null,"abstract":"<div><div>In this work, an oxide-dispersion strengthened (ODS) FeCrNi medium entropy alloy (MEA) was prepared by low-energy ball milling and laser powder bed fusion (PBF-LB/M). The ODS FeCrNi MEA shows remarkable room-temperature tensile properties with yield strength of 878 MPa, ultimate tensile strength of 1070 MPa, and elongation of 30 %. Meanwhile, its high-temperature strength at 400 °C, 600 °C, and 700 °C exceeds many typical ODS alloys, such as PM 2000 and ODS 316. The ultra-fine cellular structures and uniformly dispersed nano-Y<sub>2</sub>O<sub>3</sub> particles in the PBF-LB/M ODS FeCrNi MEA are the main reasons for its high strength. Additionally, the FCC-matrix with a high deformation capacity and the semi-coherent interface relationship between the FCC-matrix and the nano-Y<sub>2</sub>O<sub>3</sub> particles ensure adequate plasticity.</div></div>","PeriodicalId":331,"journal":{"name":"Intermetallics","volume":"175 ","pages":"Article 108532"},"PeriodicalIF":4.3000,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Intermetallics","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0966979524003510","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
引用次数: 0
Abstract
In this work, an oxide-dispersion strengthened (ODS) FeCrNi medium entropy alloy (MEA) was prepared by low-energy ball milling and laser powder bed fusion (PBF-LB/M). The ODS FeCrNi MEA shows remarkable room-temperature tensile properties with yield strength of 878 MPa, ultimate tensile strength of 1070 MPa, and elongation of 30 %. Meanwhile, its high-temperature strength at 400 °C, 600 °C, and 700 °C exceeds many typical ODS alloys, such as PM 2000 and ODS 316. The ultra-fine cellular structures and uniformly dispersed nano-Y2O3 particles in the PBF-LB/M ODS FeCrNi MEA are the main reasons for its high strength. Additionally, the FCC-matrix with a high deformation capacity and the semi-coherent interface relationship between the FCC-matrix and the nano-Y2O3 particles ensure adequate plasticity.
期刊介绍：
This journal is a platform for publishing innovative research and overviews for advancing our understanding of the structure, property, and functionality of complex metallic alloys, including intermetallics, metallic glasses, and high entropy alloys.
The journal reports the science and engineering of metallic materials in the following aspects:
Theories and experiments which address the relationship between property and structure in all length scales.
Physical modeling and numerical simulations which provide a comprehensive understanding of experimental observations.
Stimulated methodologies to characterize the structure and chemistry of materials that correlate the properties.
Technological applications resulting from the understanding of property-structure relationship in materials.
Novel and cutting-edge results warranting rapid communication.
The journal also publishes special issues on selected topics and overviews by invitation only.
京公网安备 11010802042870号
京ICP备2023020795号-1
分享
求助内容：
应助结果提醒方式：
扫码关注我们
