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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
发表期刊WEAR
ISSN0043-1648
卷号402页码:100-108
摘要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.; 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.
部门归属[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
关键词Nanocrystalline Surface-layer Severe Plastic-deformation Sliding Wear Behavior Nanolaminated Structure Grain-size Friction Evolution Metals Copper Resistance
学科领域Engineering, Mechanical ; Materials Science, Multidisciplinary
资助者National Key R&D Program of China [2017YFA0204401]; National Natural Science Foundation [51231006]; Key Research Program of Chinese Academy of Sciences [KGZD-EW-T06]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79308
专题中国科学院金属研究所
通讯作者Han, Z (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
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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