Technical paper

Simulation model for an EB-PVD coating structure using the level set method

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A comprehensive modeling approach to link machine dynamics, deposition, and substrate kinematics in an electron beam physical vapor deposition (EB-PVD) is presented in this paper. The machine dynamics in EB-PVD process are captured by finite element models, resulting in the prediction of evaporation rate and vapor distribution. The deposition process is modeled using the level set method, which is one of the computational techniques for tracking topographic evolution. The proposed simulation model is implemented in Matlab and is compared with experimental results published by other researchers. Results indicate that the proposed simulation model can be used to predict microstructure features such as zigzag and helical columnar shapes. The pitch of a zigzag microstructure can be predicted within 20% at the 0.3 to 6 μm level for Yttira-stabilized Zirconia (YSZ) coating.

Original languageEnglish (US)
Pages (from-to)1-7
Number of pages7
JournalJournal of Manufacturing Processes
Volume11
Issue number1
DOIs
StatePublished - Jan 1 2009

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Physical vapor deposition
Electron beams
Coatings
Microstructure
Zirconia
Evaporation
Kinematics
Vapors
Substrates
Simulation model
Prediction
Substrate
Computational techniques
Modeling
Finite element model

All Science Journal Classification (ASJC) codes

  • Strategy and Management
  • Management Science and Operations Research
  • Industrial and Manufacturing Engineering

Cite this

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title = "Technical paper: Simulation model for an EB-PVD coating structure using the level set method",
abstract = "A comprehensive modeling approach to link machine dynamics, deposition, and substrate kinematics in an electron beam physical vapor deposition (EB-PVD) is presented in this paper. The machine dynamics in EB-PVD process are captured by finite element models, resulting in the prediction of evaporation rate and vapor distribution. The deposition process is modeled using the level set method, which is one of the computational techniques for tracking topographic evolution. The proposed simulation model is implemented in Matlab and is compared with experimental results published by other researchers. Results indicate that the proposed simulation model can be used to predict microstructure features such as zigzag and helical columnar shapes. The pitch of a zigzag microstructure can be predicted within 20{\%} at the 0.3 to 6 μm level for Yttira-stabilized Zirconia (YSZ) coating.",
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Technical paper : Simulation model for an EB-PVD coating structure using the level set method. / Baek, S.; Prabhu, Vittaldas V.

In: Journal of Manufacturing Processes, Vol. 11, No. 1, 01.01.2009, p. 1-7.

Research output: Contribution to journalArticle

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