Formation mechanism and wear behavior of gradient nanostructured Inconel 625 alloy

doi:10.1016/S1003-6326(22)65918-1

	Formation mechanism and wear behavior of gradient nanostructured Inconel 625 alloy
	Gao, Yu-bi 1,2,3; Li, Xiu-yan 4; Ma, Yuan-jun 1,2,4; Kitchen, Matthew 3; Ding, Yu-tian1,2 ; Luo, Quan-shun 3
	2022-06
发表期刊	Transactions of Nonferrous Metals Society of China (English Edition)
ISSN	1003-6326
卷号	32 期号:6 页码:1910-1925
摘要	The formation mechanism and wear behavior of a gradient nanostructured (GNS) Inconel 625 alloy were investigated using SEM, TEM and ball-on-disc sliding wear tester. The results show that surface mechanical grinding treatment (SMGT) induced an approximately 800 μm-deep gradient microstructure, consisting of surface nano-grained, nano-laminated, nano-twined, and severely deformed layers, which resulted in a reduced gradient in micro-hardness from 6.95 GPa (topmost surface) to 2.77 GPa (coarse-grained matrix). The nano-grained layer resulted from the formation of high-density nano-twins and subsequent interaction between nano-twins and dislocations. The width and depth of the wear scar, wear loss volume, and wear rate of the SMGT-treated sample were smaller than those of untreated coarse-grained sample. Moreover, the wear mechanisms for both samples were mainly abrasive wear and adhesive wear, accompanied with mild oxidation wear. The notable wear resistance enhancement of the GNS Inconel 625 alloy was attributed to the high micro-hardness, high residual compressive stress, and high strain capacity of the GNS surface layer. © 2022 The Nonferrous Metals Society of China
关键词	Adhesives Grinding (machining) Nanostructures Residual stresses Surface stress Wear of materials Wear resistance Ball-on-disk Coarse-grained Formation mechanism Gradient nanostructure Inconel 625 alloys Micro-hardness Nano-structured Sliding wear Surface mechanical grinding treatments Wear behaviors
DOI	10.1016/S1003-6326(22)65918-1
收录类别	EI ; SCIE
语种	英语
WOS研究方向	Metallurgy & Metallurgical Engineering
WOS类目	Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000871787400001
出版者	Nonferrous Metals Society of China
EI入藏号	20222912362210
EI主题词	Microhardness
EI分类号	604.2 Machining Operations - 761 Nanotechnology - 931.2 Physical Properties of Gases, Liquids and Solids - 933 Solid State Physics - 951 Materials Science
来源库	WOS
引用统计	被引频次：5[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	https://ir.lut.edu.cn/handle/2XXMBERH/159415
专题	省部共建有色金属先进加工与再利用国家重点实验室
通讯作者	Ding, Yu-tian; Luo, Quan-shun
作者单位	1.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China; 2.Lanzhou Univ Technol, Sch Mat Sci & Engn, Lanzhou 730050, Peoples R China; 3.Sheffield Hallam Univ, Mat & Engn Res Inst, Sheffield S1 1WB, S Yorkshire, England; 4.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
第一作者单位	省部共建有色金属先进加工与再利用国家重点实验室; 材料科学与工程学院
通讯作者单位	省部共建有色金属先进加工与再利用国家重点实验室; 材料科学与工程学院
第一作者的第一单位	省部共建有色金属先进加工与再利用国家重点实验室
推荐引用方式 GB/T 7714	Gao, Yu-bi,Li, Xiu-yan,Ma, Yuan-jun,et al. Formation mechanism and wear behavior of gradient nanostructured Inconel 625 alloy[J]. Transactions of Nonferrous Metals Society of China (English Edition),2022,32(6):1910-1925.
APA	Gao, Yu-bi,Li, Xiu-yan,Ma, Yuan-jun,Kitchen, Matthew,Ding, Yu-tian,&Luo, Quan-shun.(2022).Formation mechanism and wear behavior of gradient nanostructured Inconel 625 alloy.Transactions of Nonferrous Metals Society of China (English Edition),32(6),1910-1925.
MLA	Gao, Yu-bi,et al."Formation mechanism and wear behavior of gradient nanostructured Inconel 625 alloy".Transactions of Nonferrous Metals Society of China (English Edition) 32.6(2022):1910-1925.