IMECH-IR  > 先进制造工艺力学重点实验室
A Numerical Study on Metallic Powder Flow in Coaxial Laser Cladding
Liu H; Hao JB; Yu G(虞刚); Yang HF; Wang LW; Han ZT; Liu, H (reprint author), China Univ Min & Technol, Sch Mech & Elect Engn, Xuzhou 221116, Jiangsu, Peoples R China.
Source PublicationJOURNAL OF APPLIED FLUID MECHANICS
2016
Volume9Issue:5Pages:2247-2256
ISSN1735-3572
AbstractIn coaxial laser cladding, the quality and property of deposition products are greatly influenced by the powder flow, which is responsible to transport additive materials to the deposition point on a substrate precisely. The metallic powder flow in coaxial laser cladding is simulated by a numerical model based on the gas-solid flow theory. The characteristics of powder concentration distribution between coaxial nozzle and deposition point for a kind of nickel based alloy powder are studied by the proposed model. The relationship between the process parameters and powder flow characteristics, such as focus distance from the nozzle exit and maximum powder concentration, is analyzed to optimize the powder feeding process. In addition, the influence of substrate with different surface shapes on the powder flow is investigated. The results can be used as a guideline for the location of the substrate and the selection of proper processing parameters for coaxial laser cladding.
KeywordCoaxial Laser Cladding Gas-solid Flow Powder Concentration Distribution Substrate Shape
Indexed BySCI
Language英语
WOS IDWOS:000383413800016
WOS KeywordCoaxial laser cladding ; Gas-solid flow ; Powder concentration distribution ; Substrate shape
WOS Research AreaThermodynamics ; Mechanics
WOS SubjectThermodynamics ; Mechanics
Funding OrganizationThis research was supported by the China Postdoctoral Science Foundation Funded Project (Grant No. 2015M581881), National Natural Science Foundation of China (Grant No. 51305443), Natural Science Foundation of Jiangsu Province (Grant No. bk20130184), and a Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD).
DepartmentMAM激光智能制造工艺力学
ClassificationQ3
RankingFalse
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/59727
Collection先进制造工艺力学重点实验室
Corresponding AuthorLiu, H (reprint author), China Univ Min & Technol, Sch Mech & Elect Engn, Xuzhou 221116, Jiangsu, Peoples R China.
Recommended Citation
GB/T 7714
Liu H,Hao JB,Yu G,et al. A Numerical Study on Metallic Powder Flow in Coaxial Laser Cladding[J]. JOURNAL OF APPLIED FLUID MECHANICS,2016,9(5):2247-2256.
APA Liu H.,Hao JB.,虞刚.,Yang HF.,Wang LW.,...&Liu, H .(2016).A Numerical Study on Metallic Powder Flow in Coaxial Laser Cladding.JOURNAL OF APPLIED FLUID MECHANICS,9(5),2247-2256.
MLA Liu H,et al."A Numerical Study on Metallic Powder Flow in Coaxial Laser Cladding".JOURNAL OF APPLIED FLUID MECHANICS 9.5(2016):2247-2256.
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