Role for plastic flow in ambient-temperature cracking behaviour at hardness indentations in silicon crystals

Abstract

New indentation hardness measurements on silicon crystals are correlated with previous results obtained over a wide range of load values to analyse the ambient-temperature cracking behaviour. From an elastic-plastic-cracking analysis of the total results, brittle cracking is reasoned to be promoted by any amount of plastic deformation occurring during the initial indenting process.

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Shin, H., Armstrong, R.W. & Singer, I.L. Role for plastic flow in ambient-temperature cracking behaviour at hardness indentations in silicon crystals. J Mater Sci 26, 3486–3490 (1991). https://doi.org/10.1007/BF00557135

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Keywords

  • Polymer
  • Silicon
  • Brittle
  • Plastic Deformation
  • Plastic Flow