Orthogonal optimum design of parameters of flux used for low carbon bainitic steel | |
Yang, Liang1; Wang, Hong2 | |
作者部门 | 月球与深空探测技术研究室 |
2020-07-01 | |
发表期刊 | Applied Physics A: Materials Science and Processing |
ISSN | 09478396;14320630 |
卷号 | 126期号:7 |
产权排序 | 2 |
摘要 | L8 (27) orthogonal test table is applied to design eight kinds of flux, and arranged with SiO2, ZrO2 and TiO2 as three factors. The microstructure, morphology and mechanical properties of low carbon bainitic steels are investigated by means of optical microscope, scanning electron microscope, transmission electron microscope, tensile testing machine and instrumented drop weight impact tester with oscilloscope. The results indicate that the optimum composition rate is as follows: 20% SiO2, 10% ZrO2, and 6% TiO2, and the interaction between ZrO2 and TiO2 is obvious. The microstructure of deposited metal of low carbon bainitic steel is mainly formed by acicular ferrite and granular bainite. The acicular ferrite is paralleled distribution, and plenty of fine sheet Martensitic–Austenitic constituents are dispersing, which can hinder crack propagation and improve strength and toughness. The impact energy is up to 109.7 J at − 20 °C, and the ratio of brittle fracture termination load to maximum impact load is 0.378, ensuring excellent crack arrest toughness. © 2020, Springer-Verlag GmbH Germany, part of Springer Nature. |
关键词 | Bainitic steel Orthogonal design Property Deposited metal |
DOI | 10.1007/s00339-020-03730-z |
收录类别 | SCI ; EI |
语种 | 英语 |
WOS记录号 | WOS:000546969700004 |
出版者 | Springer |
EI入藏号 | 20202508856594 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.opt.ac.cn/handle/181661/93562 |
专题 | 月球与深空探测技术研究室 |
作者单位 | 1.School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an; 710049, China; 2.Xi’an Institute of Optics and Precision Mechanics, Xi’an; 710119, China |
推荐引用方式 GB/T 7714 | Yang, Liang,Wang, Hong. Orthogonal optimum design of parameters of flux used for low carbon bainitic steel[J]. Applied Physics A: Materials Science and Processing,2020,126(7). |
APA | Yang, Liang,&Wang, Hong.(2020).Orthogonal optimum design of parameters of flux used for low carbon bainitic steel.Applied Physics A: Materials Science and Processing,126(7). |
MLA | Yang, Liang,et al."Orthogonal optimum design of parameters of flux used for low carbon bainitic steel".Applied Physics A: Materials Science and Processing 126.7(2020). |
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