Tensile and fatigue properties of ultrafine-grained low-carbon steel processed by equal channel angular pressing

IMR OpenIR

	Tensile and fatigue properties of ultrafine-grained low-carbon steel processed by equal channel angular pressing
	J. C. Pang; M. X. Yang; G. Yang; S. D. Wu; S. X. Li; Z. F. Zhang
	2012
发表期刊	Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing
ISSN	0921-5093
卷号	553 页码:157-163
摘要	High-strength ultrafine-grained low-carbon steel was processed by equal channel angular pressing (ECAP) for different passes and then heat-treated to achieve the tensile strength in the range of 1400-1500 MPa. Then its microstructure and mechanical properties, especially fatigue properties were systemically investigated. It is found that the simultaneous enhancement of tensile strength and elongation can be obtained by only one ECAP pass; the optimum fatigue strength of 460 MPa can be gained by two ECAP passes: while further increasing the number of ECAP passes made the fatigue properties worse. Therefore, combing with the effects of heat treatment and fatigue damage mechanism, it is suggested that few number of ECAP passes is enough to achieve the optimum fatigue properties for low carbon steel, which makes it easy, economical and efficient for the engineering application of ECAP. (C) 2012 Elsevier B.V. All rights reserved.
部门归属	[pang, j. c.; wu, s. d.; li, s. x.; zhang, z. f.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [yang, m. x.; yang, g.] cent iron & steel res inst, beijing 100081, peoples r china. [yang, m. x.] kunming univ sci & technol, fac mat sci & engn, kunming 650093, peoples r china.;zhang, zf (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china.;zhfzhang@imr.ac.cn
关键词	Low-carbon Steel Equal Channel Angular Pressing Ultrafine Grain Tensile Strength Fatigue Strength Severe Plastic-deformation Mechanical-properties Refinement Microstructure Strength Cycle 42crmovnb Behavior Alloys Size
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/60182
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	J. C. Pang,M. X. Yang,G. Yang,et al. Tensile and fatigue properties of ultrafine-grained low-carbon steel processed by equal channel angular pressing[J]. Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,2012,553:157-163.
APA	J. C. Pang,M. X. Yang,G. Yang,S. D. Wu,S. X. Li,&Z. F. Zhang.(2012).Tensile and fatigue properties of ultrafine-grained low-carbon steel processed by equal channel angular pressing.Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,553,157-163.
MLA	J. C. Pang,et al."Tensile and fatigue properties of ultrafine-grained low-carbon steel processed by equal channel angular pressing".Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing 553(2012):157-163.