Model of fracture micro mechanism of Cu-Cr-Zr system by in-situ tensile test in SEM | Zendy

Michal Besterci | Zendy; J. Ivan | Zendy; Priit Kulu | Zendy; D. S. Arensburger | Zendy; Oksana Velgosová | Zendy

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Model of fracture micro mechanism of Cu-Cr-Zr system by in-situ tensile test in SEM

Author(s) -

Michal Besterci,

J. Ivan,

Priit Kulu,

D. S. Arensburger,

Oksana Velgosová

Publication year - 2003

Publication title -

journal of mining and metallurgy section b metallurgy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.42

H-Index - 20

eISSN - 2217-7175

pISSN - 1450-5339

DOI - 10.2298/jmmb0304499b

Subject(s) - materials science , coalescence (physics) , interphase , composite material , in situ , ultimate tensile strength , fracture (geology) , tensile testing , deformation (meteorology) , chemistry , genetics , physics , organic chemistry , astrobiology , biology

In the present work fracture mechanism of the Cu-Cr-Zr system was studied by "in-situ tensile test in SEM". It has been shown, that during tensile strain over the critical deformation the first cracks appeared due to the decohesion of matrix - large Cr particles interphase or by Cr particles failure. The further stress increase causes the cracks formation on matrix small Cr particles interfaces and in the clusters of Cu5Zr intermetalics. The trajectory affinal fracture was formed preferably by coalescence of cracks oriented about 67° to the loading direction. The model, presenting fracture mechanism in the investigated system was suggested

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