Depth of penetration in gas metal arc welding

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The authors present a model of the depth of penetration in gas metal arc welding. This model is based on the assumption that the heat and mass transfer to the weld pool and the depth of penetration may be correlated by a dimensionless relation. This correlation leads to an analytical expression for depth of penetration, which involves empirical constants that are related to the efficiency of heat and mass transfer to the pool. They examine the accuracy of the model by comparing the theoretical depth of penetration and the measured depth of the weld pool for a range of processing ... continued below

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6 p.

Creation Information

Murray, P.E. & Scotti, A. July 1, 1998.

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  • Murray, P.E. Lockheed Martin Idaho Technologies Co., Idaho Falls, ID (United States). Idaho National Engineering and Environmental Lab.
  • Scotti, A. Univ. Federal de Uberlandi (Brazil)

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Description

The authors present a model of the depth of penetration in gas metal arc welding. This model is based on the assumption that the heat and mass transfer to the weld pool and the depth of penetration may be correlated by a dimensionless relation. This correlation leads to an analytical expression for depth of penetration, which involves empirical constants that are related to the efficiency of heat and mass transfer to the pool. They examine the accuracy of the model by comparing the theoretical depth of penetration and the measured depth of the weld pool for a range of processing variables encompassing short arc and free flight mass transfer. Measurements are obtained from bead on plate welds of stainless steel using a stainless steel electrode and a shielding gas that is rich in argon. The results confirm that the depth of penetration is affected by variations in the rate of mass transfer.

Physical Description

6 p.

Notes

OSTI as DE98057366

Source

  • 5. international conference on trends in welding research, Pine Mountain, GA (United States), 1-5 Jun 1998

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  • Other: DE98057366
  • Report No.: INEEL/CON--98-00694
  • Report No.: CONF-980657--
  • Grant Number: AC07-94ID13223
  • Office of Scientific & Technical Information Report Number: 666032
  • Archival Resource Key: ark:/67531/metadc702497

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • July 1, 1998

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • April 25, 2016, 5:43 p.m.

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Murray, P.E. & Scotti, A. Depth of penetration in gas metal arc welding, article, July 1, 1998; Idaho Falls, Idaho. (digital.library.unt.edu/ark:/67531/metadc702497/: accessed October 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.