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Enhanced tribological performance of a gradient nanostructured interstitial-free steel
Wang, PF; Han, Z; Lu, K; Han, Z (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
2018-05-15
Source PublicationWEAR
ISSN0043-1648
Volume402Pages:100-108
AbstractA gradient nanostructured (GNS) surface layer was fabricated on a commercial interstitial-free (IF) steel by means of surface mechanical grinding treatment (SMGT). Reciprocating dry sliding tests of the GNS IF steel in air at room temperature were carried out in comparison with the coarse-grained (CG) sample. Worn surface morphologies, chemical compositions and worn subsurface microstructures were investigated for both IF steel samples. IF steel with a GNS surface layer exhibits lowered coefficients of friction (COFs) and significantly enhanced wear resistance under high testing loads. The superior tribological performance of the GNS IF steel sample is attributed to the finer dynamic recrystallized grains, and the grain coarsening layer that can accommodate large plastic strain and suppress the formation of cracking vortical structure.; A gradient nanostructured (GNS) surface layer was fabricated on a commercial interstitial-free (IF) steel by means of surface mechanical grinding treatment (SMGT). Reciprocating dry sliding tests of the GNS IF steel in air at room temperature were carried out in comparison with the coarse-grained (CG) sample. Worn surface morphologies, chemical compositions and worn subsurface microstructures were investigated for both IF steel samples. IF steel with a GNS surface layer exhibits lowered coefficients of friction (COFs) and significantly enhanced wear resistance under high testing loads. The superior tribological performance of the GNS IF steel sample is attributed to the finer dynamic recrystallized grains, and the grain coarsening layer that can accommodate large plastic strain and suppress the formation of cracking vortical structure.
description.department[wang, p. f. ; han, z. ; lu, k.] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, liaoning, peoples r china ; [wang, p. f.] univ chinese acad sci, 19 yuquan rd, beijing 100049, peoples r china
KeywordNanocrystalline Surface-layer Severe Plastic-deformation Sliding Wear Behavior Nanolaminated Structure Grain-size Friction Evolution Metals Copper Resistance
Subject AreaEngineering, Mechanical ; Materials Science, Multidisciplinary
Funding OrganizationNational Key R&D Program of China [2017YFA0204401]; National Natural Science Foundation [51231006]; Key Research Program of Chinese Academy of Sciences [KGZD-EW-T06]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79308
Collection中国科学院金属研究所
Corresponding AuthorHan, Z (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Wang, PF,Han, Z,Lu, K,et al. Enhanced tribological performance of a gradient nanostructured interstitial-free steel[J]. WEAR,2018,402:100-108.
APA Wang, PF,Han, Z,Lu, K,&Han, Z .(2018).Enhanced tribological performance of a gradient nanostructured interstitial-free steel.WEAR,402,100-108.
MLA Wang, PF,et al."Enhanced tribological performance of a gradient nanostructured interstitial-free steel".WEAR 402(2018):100-108.
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