Effect of initial composition distribution on the phase transformation behavior in the Fe-Cr-Ni system

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A finite-difference implicit numerical model was used to study the diffusion-controlled {alpha}{minus}{gamma} (ferrite-to-austenite) solid-state phase transformation in the Fe-Cr-Ni system. The influence of a nonuniform initial composition distribution was examined in order to assess the impact that nonuniform solute profiles resulting from solidification may have on subsequent transformation behavior in weldments and castings. A significant impact on the transformation kinetics and transformation path was found in some cases. Factors that affect the degree of influence are discussed.

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7 p.

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Vitek, J.M. & David, S.A. December 31, 1995.

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Description

A finite-difference implicit numerical model was used to study the diffusion-controlled {alpha}{minus}{gamma} (ferrite-to-austenite) solid-state phase transformation in the Fe-Cr-Ni system. The influence of a nonuniform initial composition distribution was examined in order to assess the impact that nonuniform solute profiles resulting from solidification may have on subsequent transformation behavior in weldments and castings. A significant impact on the transformation kinetics and transformation path was found in some cases. Factors that affect the degree of influence are discussed.

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7 p.

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OSTI as DE96005370

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  • Fall meeting of the Materials Research Society (MRS), Boston, MA (United States), 27 Nov - 1 Dec 1995

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  • Other: DE96005370
  • Report No.: CONF-951155--39
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 192538
  • Archival Resource Key: ark:/67531/metadc670211

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Office of Scientific & Technical Information Technical Reports

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  • December 31, 1995

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  • June 29, 2015, 9:42 p.m.

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  • Jan. 19, 2016, 12:55 p.m.

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Vitek, J.M. & David, S.A. Effect of initial composition distribution on the phase transformation behavior in the Fe-Cr-Ni system, article, December 31, 1995; Tennessee. (digital.library.unt.edu/ark:/67531/metadc670211/: accessed April 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.