Application of electron microscopy for the analysis of the mechanical behavior of advanced ceramics

V. J. Tennery, L. F. Allard, T. A. Nolan, M. H. Rawlins

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The microstructure and fracture surfaces of two commercially available silicon nitride ceramics have been characterized using techniques of scanning and analytical transmission electron microscopy. These results have been correlated to mechanical property data (obtained from static and dynamic fatigue tests using four-point flexural test methods both at room temperature and at elevated temperature). For one of the materials, the results clarified failure mechanisms. For the other, the results showed how processing variables can affect microstructure (and thus mechanical behavior), and emphasized particularly that mechanical tests of billet-derived specimens may be unreliable in predicting the mechanical behavior of production components.

Original languageEnglish
Title of host publicationManufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation
PublisherAmerican Society of Mechanical Engineers (ASME)
ISBN (Electronic)9780791879221
DOIs
StatePublished - 1988
EventASME 1988 International Gas Turbine and Aeroengine Congress and Exposition, GT 1988 - Amsterdam, Netherlands
Duration: Jun 6 1988Jun 9 1988

Publication series

NameProceedings of the ASME Turbo Expo
Volume5

Conference

ConferenceASME 1988 International Gas Turbine and Aeroengine Congress and Exposition, GT 1988
Country/TerritoryNetherlands
CityAmsterdam
Period06/6/8806/9/88

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