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Effect of te on morphological transitions in Fe-C-Si alloys: Part ii. Auger analysis

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Abstract

The directionally solidified Fe-3.4 wt pct C-2 wt pct Si-0.06 wt pct Te alloys of Part I were fractured inside a scanning Auger microscope. The fracture surfaces were characterized, and fracture was found to occur predominantly along the graphite/iron interfaces of the type D gray structures. The iron/graphite interfaces were found to be covered with Te having a measured thickness of one monolayer. The effect of this selective adsorption of the Te upon the strong structure control which Te produces in cast iron is discussed in terms of current models.

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Authors and Affiliations

  1. Department of Materials Science and Engineering and Ames Laboratory, Iowa State University, 50011, Ames, IA

    J. D. Verhoeven (Professor and Senior Metallurgist), A. J. Bevolo (Physicist) & J. S. Park (Graduate Student)

Authors
  1. J. D. Verhoeven
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  2. A. J. Bevolo
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  3. J. S. Park
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Verhoeven, J.D., Bevolo, A.J. & Park, J.S. Effect of te on morphological transitions in Fe-C-Si alloys: Part ii. Auger analysis. Metall Trans A 20, 1875–1881 (1989). https://doi.org/10.1007/BF02663218

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  • DOI: https://doi.org/10.1007/BF02663218

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