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Computational Research on Factors Affecting Particle Velocity in a Vacuum Kinetic Spray Process

  • Hyungkwon Park
  • Hansol Kwon
  • Yeonju Kim
  • Changhee LeeEmail author
Peer Reviewed
  • 47 Downloads

Abstract

In vacuum kinetic spraying (VKS) systems, also called aerosol deposition, the particle velocity is crucial because kinetic energy determines successful deposition. However, various factors simultaneously affect particle velocity, which complicates prediction. To address this issue, the factors affecting particle velocity in the VKS process were investigated via computational simulation. The factors were analyzed in terms of particle variables (i.e., particle material, size, and shape factor) and process variables (i.e., process gases and the pressure difference between the two chambers). Consequently, how and to what extent each factor influenced particle average and impact velocity are discussed.

Keywords

aerosol deposition (AD) computational fluid dynamics (CFD) particle flight particle velocity vacuum kinetic spraying (VKS) process 

Notes

Supplementary material

11666_2019_941_MOESM1_ESM.docx (83 kb)
Supplementary material 1 (DOCX 83 kb)

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Copyright information

© ASM International 2019

Authors and Affiliations

  • Hyungkwon Park
    • 1
  • Hansol Kwon
    • 2
  • Yeonju Kim
    • 2
  • Changhee Lee
    • 2
    Email author
  1. 1.Research & Development (R&D) CenterHyundai Steel CompanyDangjin-SiSouth Korea
  2. 2.Kinetic Spray Coating Laboratory (NRL), Division of Materials Science and EngineeringHanyang UniversitySeongdong-Gu, SeoulSouth Korea

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