Journal of Materials Science

, Volume 22, Issue 8, pp 2680–2684

High temperature interfacial studies in aluminium-stainless steel composites

  • S. N. Tiwari
  • A. N. Tiwari
  • V. Gopinathan
Papers

Abstract

Interfacial shear strengths in single wire aluminium-stainless steel composites have been measured by the pull-out test, both at room temperature and high temperatures, as a function of annealing temperatures up to 823 K and times up to 24 h. The post-exposure interfacial shear strengths measured at room temperature have been found to be inversely proportional to the square root of the interfacial compound layer thickness. A tentative mechanism to explain this relationship has been proposed in terms of matrix-compound layer debonding. The growth of the compound layer during high-temperature exposure is accompanied by an increase in its microhardness, presumably resulting from a concurrent precipitation of intermetallics. The interfacial shear strength has been found to be independent of stainless steel wire diameter.

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Copyright information

© Chapman and Hall Ltd. 1987

Authors and Affiliations

  • S. N. Tiwari
    • 1
  • A. N. Tiwari
    • 1
  • V. Gopinathan
    • 2
  1. 1.Department of Metallurgical EngineeringGovernment Engineering CollegeRaipur (M.P)India
  2. 2.Department of Metallurgical EngineeringIndian Institute of TechnologyBombayIndia

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