Schilling Titan 7 plasma spray system

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Description

Non-metallic oxide inclusions are known to influence the microstructure and properties of low alloy steel weld metal. Therefore, it is desirable to estimate the inclusion characteristics such as size distribution, number density, volume fraction, and composition as a function of welding process and weld composition. Previous work considered a sequential formation of various oxides and compounds to estimate the inclusion characteristics, however, the effect of weld metal composition and weld cooling conditions were not considered. Hence, a model based on ladle metallurgy principles and transformation kinetics involving nucleation and growth has been developed. The inclusion kinetic calculations are coupled with ... continued below

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6 p.

Creation Information

Robinson, S.C.; Pollard, R.E.; Walker, E.W.; Mooney, L.R.; Thompson, W.F. & Younkin, J.R. February 1, 1994.

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  • Oak Ridge Y-12 Plant
    Publisher Info: Oak Ridge Y-12 Plant, TN (United States)
    Place of Publication: Tennessee

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Description

Non-metallic oxide inclusions are known to influence the microstructure and properties of low alloy steel weld metal. Therefore, it is desirable to estimate the inclusion characteristics such as size distribution, number density, volume fraction, and composition as a function of welding process and weld composition. Previous work considered a sequential formation of various oxides and compounds to estimate the inclusion characteristics, however, the effect of weld metal composition and weld cooling conditions were not considered. Hence, a model based on ladle metallurgy principles and transformation kinetics involving nucleation and growth has been developed. The inclusion kinetic calculations are coupled with weld pool thermal history to estimate the inclusion characteristics for a given welding process and composition. The calculations based on this model show a complex sequential oxidation of dissolved deoxidizing elements such as Al, Ti, Si and Mn. The calculated inclusion characteristics show a good correlation with the published results.

Physical Description

6 p.

Notes

OSTI as DE96003773

Source

  • 5. international symposium on robotics and manufacturing, Maui, HI (United States), 14-18 Aug 1994

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  • Other: DE96003773
  • Report No.: Y/DX--2249
  • Report No.: CONF-940859--30
  • Grant Number: AC05-84OS21400
  • Office of Scientific & Technical Information Report Number: 170584
  • Archival Resource Key: ark:/67531/metadc624309

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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.

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  • February 1, 1994

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 8, 2016, 5:24 p.m.

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Robinson, S.C.; Pollard, R.E.; Walker, E.W.; Mooney, L.R.; Thompson, W.F. & Younkin, J.R. Schilling Titan 7 plasma spray system, article, February 1, 1994; Tennessee. (digital.library.unt.edu/ark:/67531/metadc624309/: accessed October 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.