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Effects of hot rolling and titanium content on the microstructure and mechanical properties of high boron Fe–B alloys, Materials and Design 2012, 36:88-93 |
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baiyuefei
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bringlee: 金币+25, ★★★★★最佳答案 2020-03-09 08:50:16
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被引频次: 27 Effects of hot rolling and titanium content on the microstructure and mechanical properties of high boron Fe-B alloys 作者:He, L (He, Lin)[ 1 ] ; Liu, Y (Liu, Ying)[ 1,2 ] ; Li, J (Li, Jun)[ 1,2 ] ; Li, BH (Li, Binghong)[ 1 ] MATERIALS & DESIGN 卷: 36 页: 88-93 DOI: 10.1016/j.matdes.2011.10.043 出版年: APR 2012 文献类型:Article 查看期刊影响力 摘要 High boron Fe-B alloys (1.8 wt.% B) with different titanium contents are fabricated by Vacuum Induction Melting (VIM) technique. The integrated mechanical properties of the as-cast alloys are poor, especially the ductility. In this investigation, hot-rolling technology is used to improve the microstructure and mechanical properties. The microstructure analysis shows that hot rolling can reduce the size and improve the distribution of the reinforcements. The mechanical properties testing indicates that the yield strength is unchanged basically, but the tensile strength and elongation are improved greatly by hot rolling, especially the elongation. The content of titanium also has great effects on the microstructures and mechanical properties of the hot-rolled alloys. For the hot-rolled alloys, with the titanium content increasing, the ultimate tensile strength and yield strength first decrease slightly and then increase. The elongation and impact toughness are improved significantly. In particular, when the atomic ratio of Ti to B is 0.5, the reinforcements are almost entirely TiB2 and uniformly distributed in the Fe-matrix. The ternary Fe-B-Ti alloy exhibits balanced mechanical properties: yield strength, ultimate tensile strength, elongation and impact toughness are 334 MPa, 602 MPa, 16.2% and 213 kJ/m(2), respectively. (C) 2011 Elsevier Ltd. All rights reserved. 关键词 KeyWords Plus:ALUMINUM-ALLOYS; PARTICLE-SIZE; GRAIN-SIZE; STEEL; COMPOSITE 作者信息 通讯作者地址: Liu, Y (通讯作者) 显示更多 Sichuan Univ, Sch Mat Sci & Engn, Chengdu 610065, Peoples R China. 地址: 显示更多 [ 1 ] Sichuan Univ, Sch Mat Sci & Engn, Chengdu 610065, Peoples R China [ 2 ] Minist Educ, Key Lab Adv Special Mat & Technol, Chengdu 610065, Peoples R China 电子邮件地址:Liuying5536@163.com 基金资助致谢 基金资助机构显示详情 授权号 Fundamental Research Funds for the Central Universities 查看基金资助信息 出版商 ELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND 类别 / 分类 研究方向:Materials Science Web of Science 类别:Materials Science, Multidisciplinary 文献信息 语言:English 入藏号: WOS:000301580500013 ISSN: 0261-3069 其他信息 IDS 号: 909QY Web of Science 核心合集中的 "引用的参考文献": 22 Web of Science 核心合集中的 "被引频次": 21 |
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