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Morphology relations during surface-transport controlled sintering

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Abstract

Precise geometrical relationships have been calculated for the surface-transport controlled sintering of sphere to sphere configurations. A minimum surface area neck configuration is assumed and interparticle coordination is considered. The calculated results for surface-transport controlled sintering show a small particle size reduction during neck growth. In contrast, the concurrent surface area reduction is shown to be significantly large. Based on the morphology results of these calculations, an empirical expression relating neck size and coordination to surface area has been derived. Thus, surface area is proposed to be an alternative measure to neck size during surface-transport controlled sintering studies. Previous experimental results are generally in good agreement with the calculations provided by the proposed model.

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Authors and Affiliations

  1. Metallurgy and Electroplating Division, Sandia Laboratories, 94550, Livermore, CA

    R. M. German

  2. Department of Mechanical Engineering and the Materials and Devices Research Group, University of California, 95616, Davis, CA

    Z. A. Munir

Authors
  1. R. M. German
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  2. Z. A. Munir
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German, R.M., Munir, Z.A. Morphology relations during surface-transport controlled sintering. Metall Trans B 6, 289–294 (1975). https://doi.org/10.1007/BF02913572

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  • DOI: https://doi.org/10.1007/BF02913572

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