Effects of Grain-Boundary Sliding and Plastic Deformation of Grains on the Formation of Grain-Boundary Cracks in a Double Cylindrical Bicrystal of a Cu-SiO_2 Alloy

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Author(s)

Abstract

A double cylindrical bicrystal is a bicrystal consisting of a cylindrical inside grain with a second grain wrapped around its curved side surface. Using a double cylindrical bicrystal of a Cu-SiO<SUB>2</SUB> alloy, tensile tests were performed at 800 K under 2×10<SUP>−4</SUP> s<SUP>−1</SUP>. Three specimens cut from the same bicrystal were deformed to three different strains. Preferential formation of grain-boundary cracks around the cylindrical inside grain was observed after the tensile tests. In addition to the occurrence of grain-boundary sliding, the misfit of slip deformation at the grain boundary affects the formation of the grain-boundary cracks.

Journal

  • MATERIALS TRANSACTIONS

    MATERIALS TRANSACTIONS 48(6), 1412-1416, 2007-06-01

    The Japan Institute of Metals and Materials

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Codes

  • NII Article ID (NAID)
    10019486714
  • NII NACSIS-CAT ID (NCID)
    AA1151294X
  • Text Lang
    ENG
  • Article Type
    ART
  • ISSN
    13459678
  • NDL Article ID
    8742322
  • NDL Source Classification
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL Call No.
    Z53-J286
  • Data Source
    CJP  NDL  J-STAGE 
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