Abstract
Residual stresses have been measured on Si3N4 and SiC specimens which have been 4pt-bend tested earlier in a project sponsored by International Energy Agency. Large scatter in surface residual stress was found and show no correlation with bend strength. Heat treatment between 700 °C and 1200 °C followed by water quenching creates large compressive stresses in the surface. Air cooling gave marked relaxation after treatment in the high temperature range.
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References
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© 1992 Elsevier Science Publishers Ltd and MPA Stuttgart
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Odén, M., Ericsson, T. (1992). Residual Stress in Si3N4 and SiC after Grinding and Cooling from High Temperature. In: Carlsson, R., Johansson, T., Kahlman, L. (eds) 4th International Symposium on Ceramic Materials and Components for Engines. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-2882-7_92
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DOI: https://doi.org/10.1007/978-94-011-2882-7_92
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-85166-776-5
Online ISBN: 978-94-011-2882-7
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