Yu Cao, Wei Liu, Qiusheng Xie, Haoxin Sun, Peikang Bai
{"title":"Effect of Particle Size on Mechanical Properties of CoCrMo-Ni@Al2O3 Composites Prepared by Selective Laser Melting","authors":"Yu Cao, Wei Liu, Qiusheng Xie, Haoxin Sun, Peikang Bai","doi":"10.1007/s11661-024-07480-y","DOIUrl":null,"url":null,"abstract":"<p>As one of the joints with the greatest load-bearing capacity, the hip joint requires high mechanical strength and plasticity. In this study, Ni-coated Al<sub>2</sub>O<sub>3</sub> (Ni@Al<sub>2</sub>O<sub>3</sub>) particles of different size were employed to enhance the mechanical properties of selective laser melting (SLM)-processed CoCrMo alloys. CoCrMo–Ni@30μmAl<sub>2</sub>O<sub>3</sub> composites possessed the best comprehensive mechanical properties and underwent the γ–ε martensite transition with the largest proportion of ε/γ, which contributed to the inhibition of dislocation slip and the improvement of plasticity.</p><h3 data-test=\"abstract-sub-heading\">Graphical Abstract</h3>\n","PeriodicalId":18504,"journal":{"name":"Metallurgical and Materials Transactions A","volume":"114 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Metallurgical and Materials Transactions A","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1007/s11661-024-07480-y","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
As one of the joints with the greatest load-bearing capacity, the hip joint requires high mechanical strength and plasticity. In this study, Ni-coated Al2O3 (Ni@Al2O3) particles of different size were employed to enhance the mechanical properties of selective laser melting (SLM)-processed CoCrMo alloys. CoCrMo–Ni@30μmAl2O3 composites possessed the best comprehensive mechanical properties and underwent the γ–ε martensite transition with the largest proportion of ε/γ, which contributed to the inhibition of dislocation slip and the improvement of plasticity.