IN SITU SCANNING ELECTRON MICROSCOPE OBSERVATIONS OF FATIGUE IN MAGNESIA-PARTIALLY-STABILIZED ZIRCONIA

— The response of magnesia‐partially‐stabilized zirconia to cyclic loading was investigated using a purpose‐built loading stage, designed to operate in the vacuum chamber of a scanning electron microscope. Crack tip/microstructural interactions, along with fatigue crack growth rates were studied and...

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Veröffentlicht in:	Fatigue & fracture of engineering materials & structures 1994-03, Vol.17 (3), p.285-296
Hauptverfasser:	Møller, C. V., Healy, J. C., Mai, Y.-W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Exact sciences and technology Fatigue Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	— The response of magnesia‐partially‐stabilized zirconia to cyclic loading was investigated using a purpose‐built loading stage, designed to operate in the vacuum chamber of a scanning electron microscope. Crack tip/microstructural interactions, along with fatigue crack growth rates were studied and recorded photographically and via a video cassette recorder. For the experimental conditions examined, crack bridging, deflection and closure are discussed as possible mechanisms of fatigue crack growth resistance.
ISSN:	8756-758X 1460-2695
DOI:	10.1111/j.1460-2695.1994.tb00230.x