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    • A simple instrument for relative microhardness measurement

      K Kishan Rao D B Sirdeshmukh

      Instrumentation Volume 23 Issue 2 August 1984 pp 251-256

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/023/02/0251-0256

    • Keywords

       

      Mechanical properties; microhardness; indentation dislocation rosette

    • Abstract

       

      The design of a simple inexpensive instrument which can be used along with a simple laboratory microscope to measure microhardness of crystals is described. The design is based on the fact that the lengths of arms of indentation dislocation rosette (idr) are related to the hardness. By controlled indentation and subsequent etching of two similar crystals, the microhardness of one can be estimated in terms of that of the other from measurements of the arms ofidr.

    • Author Affiliations

       

      K Kishan Rao1 D B Sirdeshmukh1

      1. Physics Department, Kakatiya University, Warangal - 506 009, India

    • Dates

       
      Published
      August 1984
      Manuscript received
      22 February 1984
      Manuscript revised
      8 May 1984

  • Pramana – Journal of Physics | News

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