Crack closure and stress intensity factor measurements in nodular graphite cast iron using three-dimensional correlation of laboratory X-ray microtomography images

Three-dimensional (3-D) tomographic images of a nodular graphite cast iron obtained using a laboratory X-ray source were used to analyze the opening of a fatigue crack during in situ mechanical loading. Direct image analysis and digital image correlation are utilized to obtain the 3-D morphology and...

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Veröffentlicht in:	Acta materialia 2009-08, Vol.57 (14), p.4090-4101
Hauptverfasser:	Limodin, Nathalie, Réthoré, Julien, Buffière, Jean-Yves, Gravouil, Anthony, Hild, François, Roux, Stéphane
Format:	Artikel
Sprache:	eng
Schlagworte:	3-D digital image correlation Applied sciences Engineering Sciences Exact sciences and technology Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Mechanics Mechanics of materials Metals. Metallurgy Nodular graphite cast iron Physics Stress intensity factors X-ray microtomography
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