[Kovove materialy - Metallic materials]
    Fri - April 12, 2024 - 23:52 No. of hits : 1740519 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 39 (2001), Issue 6

Damage mechanism of Al-Al4C3 system with high volume fraction of secondary phase (in Slovak)
vol. 39 (2001), no. 6, pp. 361 - 367

In the present work the deformation of the Al-12Al4C3 system was analysed by "in-situ tensile test in SEM" and the model of fracture mechanism was suggested.
It has been shown that during tensile strain the first cracks appeared due to decohesion of matrix-particle interphase. The further stress increase causes the cracks development into the specimen at the same time the large cracked particles contribute to the fracture process. The path of final fracture was formed preferably in the loading direction in the rows of Al4C3 and Al2O3 particles. Fracture surface was transcrystalline ductile.

Key words
model of fracture mechanism, in-situ tensile stress in SEM, Al-12Al4C3 materials

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Full title of this journal is bilingual: Kovové materiály - Metallic Materials.
The official abbreviation in accordance with JCR ISI is Kovove Mater.

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