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Finite Element Modeling of Spot Welding for Advanced High Strength Steels (AHSS)

[+] Author Affiliations
Sankaran Subramaniam, Ramakrishna Koganti, Armando Joaquin

Ford Motor Company, Dearborn, MI

Paper No. IMECE2007-42673, pp. 665-668; 4 pages
doi:10.1115/IMECE2007-42673
From:
  • ASME 2007 International Mechanical Engineering Congress and Exposition
  • Volume 3: Design and Manufacturing
  • Seattle, Washington, USA, November 11–15, 2007
  • Conference Sponsors: ASME
  • ISBN: 0-7918-4297-5 | eISBN: 0-7918-3812-9
  • Copyright © 2007 by Ford Motor Company

abstract

Weldability is a critical enabler for application of new grades of steel, which have found widespread applications in the auto industry to meet new safety regulations and reduce weight of vehicles. There are a wide variety of these grades of steel which are being used across the industry. Even within a OEM the number of material and gauge combinations becomes quite large. This requires a considerable amount of testing to prove out welding feasibility of these steels. This paper discusses the use of a finite element method (FEM) to model spot welding of DP600 and correlates the results with experiments. Improved accuracy and confidence in these tools can provide a way to better understand the physics of the process and improve the weldability of these steels in a cost effective manner.

Copyright © 2007 by Ford Motor Company

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