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Introduction of Computer Simulation for BIW Electrocoating Process
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  • Journal title : Corrosion Science and Technology
  • Volume 15, Issue 2,  2016, pp.78-83
  • Publisher : The Corrosion Science Society of Korea
  • DOI : 10.14773/cst.2016.15.2.78
 Title & Authors
Introduction of Computer Simulation for BIW Electrocoating Process
Sohn, DaeHong; Jung, HiZean; Ahn, SeungHo; Kim, ByungSu; Kim, JungYeon; Choi, ByungSam;
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The e-coating to inhibit induced corrosion can deposit a coating not only on the exterior surface but also on the inside of whole metallic components of body-in-white (BIW). But it is difficult to deposit paint films on the inside area because metallic components are multi layered. It may cause shortness of e-coating thickness. The only way to properly verify e-coating thickness is by performing the use of tear-down prototypes. When paint films` thickness is inadequate, a structural modification on each metallic component is needed. Verification of the thickness improvement for a structural modification requires much manual effort and leads to increasing development time. Recently, the simulation technology has been developed to predict the e-coating thickness in e-coating field. By applying the simulation to BIW, improvement in paint thickness quality and shortening of development period are expected. The paper explains a validated solution that allows simulating the effect of design changes to the e-coating thickness and current density, thereby delivering results within a time frame of a few days.
e-coating;electrochemical process;e-coating simulation;tear-down prototypes;paint bath characterization;
 Cited by
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