NANO-SCRATCH

作品数：8被引量：14H指数：3
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Effect of Grain Size on Nano-scratching Behavior of Polycrystallineγ-TiAl Alloy via Molecular Dynamics Simulation
《稀有金属材料与工程》2025年第3期569-580,共12页Cao Hui Xu Hanzong Li Haipeng Li Haiyan Chen Tao Feng Ruicheng 
National Natural Science Foundation of China(52065036,52365018);Natural Science Foundation of Gansu(23JRRA760);Hongliu Outstanding Youth Foundation of Lanzhou University of Technology;China Postdoctoral Science Foundation(2023M733583)。
The scratching mechanism of polycrystallineγ-TiAl alloy was investigated at the atomic scale using the molecular dynamics method,with a focus on the influence of different grain sizes.The analysis encompassed tribolo...
关键词：grain size nano-scratching surface generation subsurface defect polycrystallineγ-TiAl alloy 
Molecular dynamics simulation of the tribological performance of amorphous/amorphous nano-laminates被引量：3
《Journal of Materials Science & Technology》2022年第10期226-236,共11页Dongpeng Hua Wan Wang Dawei Luo Qing Zhou Shuo Li Junqin Shi Maosen Fu Haifeng Wang 
the Natural Science Foundation of China(No.51801161);the support of the 2020 postgraduate creative innovation seed fund of Northwestern Polytechnical University(CX2020073);the Fundamental Research Funds for the Central Universities(3102019JC001)。
Because the amorphous/amorphous nano-laminates could enhance signifcantly the mechanical properties of the amorphous materials,they have been widely studied as a new group of structural materials.In this study,the nan...
关键词：Amorphous/amorphous nano-laminates NANO-SCRATCH Molecular dynamics simulation TRIBOLOGY 
Microstructure and mechanical properties of interface between laser cladded Hastelloy coating and steel substrate被引量：6
《Transactions of Nonferrous Metals Society of China》2017年第3期733-740,共8页Qin-ying WANG Yu-chen XI Xiao-yu LIU Shuang LIU Shu-lin BAI Zong-de LIU 
Project supported by the New Staff Research Start-up Fund and the Innovation Fund(School of Materials Science and Engineering) of Southwest Petroleum University,China
In order to improve the corrosion resistance of carbon steel,Hastelloy coatings were prepared on E235steel substrate by ahigh power diode laser with laser scanning speeds of6and12mm/s,respectively.The interface betwee...
关键词：Hastelloy coating laser cladding INTERFACE MICROSTRUCTURE NANO-SCRATCH 
Scratching by pad asperities in copper electrochemical-mechanical polishing
《Journal of Central South University》2014年第11期4157-4162,共6页边燕飞 翟文杰 程媛媛 朱宝全 
Project(50975058) supported by the National Natural Science Foundation of China
Low dielectric constant materials/Cu interconnects integration technology provides the direction as well as the challenges in the fabrication of integrated circuits(IC) wafers during copper electrochemical-mechanical ...
关键词：electrochemical-mechanical polishing scratch pad asperities nano-scratch model nano-indentation 
Nano-Mechanical Behavior and Nano-Tribological Properties of 316 Stainless Steel被引量：4
《Journal of China University of Mining and Technology》2006年第3期249-253,共5页LUO Yong GE Shi-rong 
Project 50535050 supported by National Natural Science Foundation of China
The microstructure and nano-tribological properties of 316 austenitic stainless steel have been investigated by using the in situ nano-mechanical testing system Tribolndenter, in which six different normal forces were...
关键词：NANO-SCRATCH nano-indentation 316 stainless steel biomaterial FRICTION WEAR 
Nano-scratch test for POSS films based on vinyltrimethoxysilane and modified with titanium tetrabutoxide
《Journal of Harbin Institute of Technology(New Series)》2005年第2期124-128,共5页陈平 胡立江 刘金成 崔津津 
SponsoredbytheFoundationoftheDepartmentofScienceandTechnology,andtheDepartmentofEducation,theGovernmentofHeilongjiangProvince(GrantNo.B0208,GBO1A2060,WBO2104and15031063).
Polyhedral oligomeric Silsesquioxanes (POSS) derived from vinyltrimethoxysilane (VMS) and modified with titanium tetrabutoxide (TTBO) (PVT) were prepared by sol-gel process catalyzed by hydrochloric acid (molar ratio:...
关键词：polyhedral oligomeric silsesquioxanes (POSS) vinyltrimethoxysilanes (VMS) titanium tetrabutoxide (TTBO) sol-gel process NANO-SCRATCH 
Nano-scratch study of molecular deposition (MD) films on silicon wafer using nanoindentation^1被引量：1
《Science China Mathematics》2001年第S1期326-329,共4页WANG Deguo ZHANG Siwei GAO Manglai University of Petroleum, Beijing 102200, China 
Project supported by the National Natural Science Foundation of China(Grant No.59735110)and the Institute of high Education Science Foundation established by the State Education Commission(Grant No.97042510)
Experiment of the molecular deposition (MD) films with and without alkyl terminal de-posited on the silicon wafer were conducted by using nanoindentation. It was found that MD filmsand alkyl terminated MD films exhibi...
关键词：MOLECULAR DEPOSITION (MD) FILMS silicon wafer NANOINDENTATION critical load friction 
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