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Tensile and compressive properties of AISI 304L stainless steel subjected to equal channel angular pressing
S. Qu; C. X. Huang; Y. L. Gao; G. Yang; S. D. Wu; Q. S. Zang; Z. F. Zhang
2008
发表期刊Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing
ISSN0921-5093
卷号475期号:1-2页码:207-216
摘要The present work investigated the compressive and tensile properties of AISI 304L austenitic stainless steel subjected to equal channel angular pressing (ECAP) at high temperature (700 degrees C). Tensile and compressive strength, elongation, Vickers hardness and fracture mode of annealed and ECAPed material were systematically compared. It is found that with increasing the number of ECAP passes the tensile strength and hardness increase, however, the elongation and strain hardening rate decrease. The compressive yield strength and strain hardening rate displayed obvious anisotropy when the ECAPed austenitic stainless steel was compressed along different orientations. The tensile fracture mode was changed from the ductile to brittle feature with increasing the number of ECAP passes. Accordingly, the ECAPed steel exhibited apparent asymmetry in tensile and compressive properties. Besides, the relationship between strength and Vickers hardness was established. Based on the results above, the corresponding deformation and fracture mechanisms were discussed. (c) 2007 Published by Elsevier B.V.
部门归属[qu, s.; huang, c. x.; wu, s. d.; zang, q. s.; zhang, z. f.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [gao, y. l.; yang, g.] cent iron & steel res inst, beijing 100081, peoples r china.;wu, sd (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china;shdwu@imr.ac.cn zhfzhang@imr.ac.cn
关键词Aisi 304l Stainless Steel Equal Channel Angular Pressing (Ecap) Compression Tension Mechanical Properties Fracture Modes Severe Plastic-deformation Large-strain Deformation Bulk Metallic-glass Mechanical-properties Grain-refinement Tension/compression Asymmetry Ti Alloy Pure Ti Al Microstructures
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文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/33057
专题中国科学院金属研究所
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GB/T 7714
S. Qu,C. X. Huang,Y. L. Gao,et al. Tensile and compressive properties of AISI 304L stainless steel subjected to equal channel angular pressing[J]. Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,2008,475(1-2):207-216.
APA S. Qu.,C. X. Huang.,Y. L. Gao.,G. Yang.,S. D. Wu.,...&Z. F. Zhang.(2008).Tensile and compressive properties of AISI 304L stainless steel subjected to equal channel angular pressing.Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing,475(1-2),207-216.
MLA S. Qu,et al."Tensile and compressive properties of AISI 304L stainless steel subjected to equal channel angular pressing".Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing 475.1-2(2008):207-216.
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