{"title":"Relationship of microstructure on the mechanical and splitting fracture properties of a high carbon forging steel for connecting rod","authors":"Jin-Cheng Li, Xian-Wen Wang, Chao-Lei Zhang, Guanglei Liu, Lie Chen","doi":"10.1111/ffe.14370","DOIUrl":null,"url":null,"abstract":"<p>The influence of austenitizing temperature and isothermal transition temperature on the mechanical properties and splitting characteristics of C70S6 were investigated. The maximum ultimate tensile strength and yield strength were 1032 and 625 MPa, respectively, when the lamellar spacing of sorbite was 0.195 μm. The greatest elongation was 17% when the size of the pearlite colony was 13 μm, which suggested an approach for enhancing the properties of pearlite steel at a low cost. The splitting property performed excellent when the proeutectoid ferrite content is 0.3%, the prior austenite grain is 38.9 μm, and the yield ratio is 0.57 currently. The connection between the process performance and the microstructure parameters was established, allowing process improvement to be guided accurately.</p>","PeriodicalId":12298,"journal":{"name":"Fatigue & Fracture of Engineering Materials & Structures","volume":"47 9","pages":"3247-3263"},"PeriodicalIF":3.1000,"publicationDate":"2024-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Fatigue & Fracture of Engineering Materials & Structures","FirstCategoryId":"88","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/ffe.14370","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"ENGINEERING, MECHANICAL","Score":null,"Total":0}
引用次数: 0
Abstract
The influence of austenitizing temperature and isothermal transition temperature on the mechanical properties and splitting characteristics of C70S6 were investigated. The maximum ultimate tensile strength and yield strength were 1032 and 625 MPa, respectively, when the lamellar spacing of sorbite was 0.195 μm. The greatest elongation was 17% when the size of the pearlite colony was 13 μm, which suggested an approach for enhancing the properties of pearlite steel at a low cost. The splitting property performed excellent when the proeutectoid ferrite content is 0.3%, the prior austenite grain is 38.9 μm, and the yield ratio is 0.57 currently. The connection between the process performance and the microstructure parameters was established, allowing process improvement to be guided accurately.
期刊介绍：
Fatigue & Fracture of Engineering Materials & Structures (FFEMS) encompasses the broad topic of structural integrity which is founded on the mechanics of fatigue and fracture, and is concerned with the reliability and effectiveness of various materials and structural components of any scale or geometry. The editors publish original contributions that will stimulate the intellectual innovation that generates elegant, effective and economic engineering designs. The journal is interdisciplinary and includes papers from scientists and engineers in the fields of materials science, mechanics, physics, chemistry, etc.
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