ACTA

Low Temperature Failure of Al₉₀Fe₇Ta₃ Amorphous Alloys

J. Miškuf^a, K. Csach^a, A. Juríková^a, V.Z. Bengus^b, E.D. Tabachnikova^b, S.E. Shumilin^b and A.V. Podolskiy^b
^aInstitute of Experimental Physics, Slovak Academy of Sciences, Košice, Slovakia
^bB. Verkin Institute for Low-temperature Physics and Engineering, UAS, Kharkov, Ukraine

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The fractographic analysis was used for the interpretation of ultra- low temperature dependences of yield or fracture stress. Analysis of fracture morphology revealed that dominantly chevron morphology is present and that the failure of this amorphous material initiates at low temperatures at geometrical imperfections of ribbons and these failures are often presented as a premature failure.

DOI: 10.12693/APhysPolA.118.823
PACS numbers: 61.43.Dq, 62.20.mm