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Grain Boundary Sliding in Alumina Bicrystals

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The Role of Grain Boundaries and Surfaces in Ceramics

Part of the book series: Materials Science Research ((MSR))

Abstract

A technique has been developed for forming bicrystals of alumina with controlled grain boundary orientation by pressure-sintering in vacuo. Bicrystals with tilt misorientations prepared by this technique have been tested in compressive shear and the stress-strain relationship determined. Bicrystal fracture strengths at several temperatures are reported. The microstructural features of the fractured crystal boundaries were examined and related to the observed mechanical behavior.

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References

  1. H. C. Chang and N.J. Grant, “Grain Boundary Sliding, Migration, and Intercrystalline Fracture Under Creep Conditions,” Trans. AIME 197:304–312 (1953) and J. Metals (Feb. 1953).

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  5. M. P. Davis, “Pressure-Sintered Alumina Bicrystals,” J. Am. Qeram. Soc. 47(9): 463–464 (1964).

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  6. M. L. Kronberg, “Plastic Deformation of Single Crystal Sapphire, Basal Slip, and Twinning,” Acta Met. 5(9): 507–523 (1957).

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© 1966 Springer Science+Business Media New York

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Davis, M.P., Palmour, H. (1966). Grain Boundary Sliding in Alumina Bicrystals. In: Kriegel, W.W., Palmour, H. (eds) The Role of Grain Boundaries and Surfaces in Ceramics. Materials Science Research. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-6311-6_17

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  • DOI: https://doi.org/10.1007/978-1-4899-6311-6_17

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4899-6162-4

  • Online ISBN: 978-1-4899-6311-6

  • eBook Packages: Springer Book Archive

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