Molecular dynamics simulation of the effect of process parameters on Ni/Fe metal thermal spraying
Ruicheng Feng; Jianyong Dong; Haiyan Li; Yun Dong; Chunli Lei; Wuyin Jin
2021-06
发表期刊Rare Metal Materials and Engineering
ISSN1002185X
卷号50期号:6页码:1896-1903
摘要Molecular dynamics simulations were performed to study the deposition of the thermal spraying material under different process parameters. The effects of temperatures, cluster size, and spraying speed on the deposition of Ni clusters on the Fe substrate were examined. The morphology of clusters and the subsurface damage of the substrate were analyzed. The results show that in the heating-up process of Ni cluster, the melting point becomes higher with the increase of cluster size, and the complete melting temperature of Ni cluster is about 1800 K. During the spraying process, the matrix shows a"mountain"shape due to the impact force to disordered atoms. Furthermore, it is also found that spraying speed plays an important role in the deposition process. At lower spraying speed, the flattening ratio decreases again, but at higher spraying speed, the substrate has defects, such as vacancy and atomic cluster after the impact of clusters. Thus, there is a critical spraying speed mechanism in thermal spraying. Copyright © 2021, Northwest Institute for Nonferrous Metal Research. Published by Science Press. All rights reserved.
关键词Cluster analysis Melting point Molecular dynamics Morphology Speed Atomic clusters Deposition process Disordered atoms Effects of temperature Molecular dynamics simulations Process parameters Spraying process Sub-surface damage
收录类别SCI ; SCIE
语种英语
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号WOS:000674680700003
出版者Science Press
EI入藏号20213110697706
EI主题词Thermal spraying
EI分类号723 Computer Software, Data Handling and Applications - 801.4 Physical Chemistry - 813.1 Coating Techniques - 931.2 Physical Properties of Gases, Liquids and Solids
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被引频次:1[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/148477
专题机电工程学院
通讯作者Ruicheng Feng
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Ruicheng Feng,Jianyong Dong,Haiyan Li,et al. Molecular dynamics simulation of the effect of process parameters on Ni/Fe metal thermal spraying[J]. Rare Metal Materials and Engineering,2021,50(6):1896-1903.
APA Ruicheng Feng,Jianyong Dong,Haiyan Li,Yun Dong,Chunli Lei,&Wuyin Jin.(2021).Molecular dynamics simulation of the effect of process parameters on Ni/Fe metal thermal spraying.Rare Metal Materials and Engineering,50(6),1896-1903.
MLA Ruicheng Feng,et al."Molecular dynamics simulation of the effect of process parameters on Ni/Fe metal thermal spraying".Rare Metal Materials and Engineering 50.6(2021):1896-1903.
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