Journal of Materials Science

, Volume 11, Issue 6, pp 994–1002

Glass-ceramics with random and oriented microstructures

Part 2 The physical properties of a randomly oriented glass-ceramic
  • D. I. H. Atkinson
  • P. W. McMillan


The variation of a number of physical properties of a glass-ceramic composition as a function of the crystallization heat-treatment temperature are reported. The properties studied include mechanical strength, modulus of elasticity, electrical properties and linear coefficient of thermal expansion. It is shown that several of the properties are dependent on microstructural effects. This dependence is especially marked for modulus of rupture and is also apparent for electrical properties such as conductivity and loss tangent. For the latter, however, compositional changes in the residual glass phase also exert a significant influence. For other properties, such as indentation hardness, the microstructural dependence is less well defined.


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Copyright information

© Chapman and Hall Ltd. 1976

Authors and Affiliations

  • D. I. H. Atkinson
    • 1
  • P. W. McMillan
    • 1
  1. 1.Department of PhysicsUniversity of WarwickCoventryUK
  2. 2.Physics DepartmentMetal Box Co LtdLondonUK

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