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Enhancing torsion fatigue behaviour of a martensitic stainless steel by generating gradient nanograined layer via surface mechanical grinding treatment
H. W. Huang; Z. B. Wang; X. P. Yong; K. Lu
2013
Source PublicationMaterials Science and Technology
ISSN0267-0836
Volume29Issue:10Pages:1200-1205
AbstractA gradient nanograined (GNG) surface layer was formed on a martensitic stainless steel bar sample by means of the surface mechanical grinding treatment (SMGT). The average grain size is similar to 25 nm on the topmost surface layer and increases gradually with increasing depth. The torsion fatigue strength is elevated by 38% with the GNG surface layer compared with the original material. An additional 8% increment in fatigue strength is achieved after a post-annealing treatment of the SMGT sample. By analysing the microstructure, hardness, surface roughness and residual stress distribution in the SMGT samples, we believe that the enhanced fatigue resistances originate from the GNG structure with a hard surface layer and a high structural homogeneity.
description.department[huang, h. w. ; wang, z. b. ; lu, k.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [yong, x. p.] shenyang blower works grp co ltd, shenyang 110869, peoples r china. ; wang, zb (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china. ; zbwang@imr.ac.cn
KeywordNanostructured Materials Gradient Nanograined Surface Mechanical Grinding Treatment Martensitic Stainless Steel Torsion Fatigue Severe Plastic-deformation Ultrafine-grained Metals Attrition Treatment Nanocrystalline Metals Resistance Alloys Titanium Microstructure Copper
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71268
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
H. W. Huang,Z. B. Wang,X. P. Yong,et al. Enhancing torsion fatigue behaviour of a martensitic stainless steel by generating gradient nanograined layer via surface mechanical grinding treatment[J]. Materials Science and Technology,2013,29(10):1200-1205.
APA H. W. Huang,Z. B. Wang,X. P. Yong,&K. Lu.(2013).Enhancing torsion fatigue behaviour of a martensitic stainless steel by generating gradient nanograined layer via surface mechanical grinding treatment.Materials Science and Technology,29(10),1200-1205.
MLA H. W. Huang,et al."Enhancing torsion fatigue behaviour of a martensitic stainless steel by generating gradient nanograined layer via surface mechanical grinding treatment".Materials Science and Technology 29.10(2013):1200-1205.
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