Fracture behaviour of ultrafine-grained materials under static and cyclic loading

Fracture-mechanics experiments were carried out on ultrafine-grained (UFG) samples of copper, titanium and an Al alloy to obtain the fracture behaviour under static and cyclic loading. The UFG-materials investigated show crack resistance behaviour under static loading, which was confirmed by ductile...

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Veröffentlicht in:	International journal of materials research 2022-01, Vol.97 (11), p.1566-1570
Hauptverfasser:	Hübner, Peter, Kiessling, Rene, Biermann, Horst, Vinogradov, Alexei
Format:	Artikel
Sprache:	eng
Schlagworte:	Crack growth rates Crack resistance behaviour Fracture mechanics Ultrafine-grained materials
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Beschreibung
Zusammenfassung:	Fracture-mechanics experiments were carried out on ultrafine-grained (UFG) samples of copper, titanium and an Al alloy to obtain the fracture behaviour under static and cyclic loading. The UFG-materials investigated show crack resistance behaviour under static loading, which was confirmed by ductile fracture surfaces. Under cyclic load the crack growth rate was described well by the ESACRACK model.
ISSN:	1862-5282 2195-8556
DOI:	10.3139/ijmr-2006-0244