[Kovove materialy - Metallic materials]
    Fri - March 29, 2024 - 03:07 No. of hits : 1736533 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 46 (2008), Issue 5

Fracture micromechanisms of copper nanomaterials prepared by ECAP (Letter to the editor)
BESTERCI, M., SULLEIOVU, K., KVACKAJ, T.
vol. 46 (2008), no. 5, pp. 309 - 311

Abstract
Fracture micromechanisms of nanocrystalline copper prepared by ECAP method are analysed in this paper. It follows from the analyses that the fracture micromechanism is influenced by the number of ECAP passes. Transcrystalline ductile fracture took place in the range from 1 to 14 passes, whereas mixed fracture (transcrystalline ductile fracture with intercrystalline facets) occurred after 15 and 16 ECAP passes. Probable reasons of different fracture mechanisms are explained.

Key words
Nanocrystalline copper, fracture micromechanisms, transcrystalline ductile fracture, intercrystalline fracture

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Full title of this journal is bilingual: Kovové materiály - Metallic Materials.
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