COMPRESSIVE MECHANICAL PROPERLIES AND FRACTURE MORPHOLOGY OF Zr_(52.5)Cu_(17.9)Ni_(14.6)Al_(10)Ti_5 BULKY AMORPHOUS ALLOY

Acta Metallurgica Sinica (English Letters) ›› 2000, Vol. 13 ›› Issue (6): 1141-1147.

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COMPRESSIVE MECHANICAL PROPERLIES AND FRACTURE MORPHOLOGY OF Zr_(52.5)Cu_(17.9)Ni_(14.6)Al_(10)Ti_5 BULKY AMORPHOUS ALLOY

Z. Bian, G. He and G.L. Chen (State Key Laboratory of Advanced Metals and Materials, University of Science and Technology Beijing,Beijing 100083, China)

Received:2000-12-25 Revised:2000-12-25 Online:2000-10-10 Published:2009-10-10

Abstract

Abstract: The compressive mechanical behavior and fracture process of Zr_52.5 Cu_17.9Ni_14.6 Al10 Ti5 bulky amorphous alloy were investigated in detail at a strain rate of 10-4s-1. The compressive fracture strength, elastic deformation and elastic modulus of the alloy are 1770MPa, 2.1% and 82GPa, respectively. From SEM observation of fracture surface, the fracture process of bulky amorphous alloy can be described as a tearing process along shear bands. The increase of temperature in the local region was calculated roughly.

Key words: bulky amorphous alloy, compressive mechanical property, fracture process and morphology

Z. Bian, G. He and G.L. Chen (State Key Laboratory of Advanced Metals and Materials, University of Science and Technology Beijing,Beijing 100083, China). COMPRESSIVE MECHANICAL PROPERLIES AND FRACTURE MORPHOLOGY OF Zr_(52.5)Cu_(17.9)Ni_(14.6)Al_(10)Ti_5 BULKY AMORPHOUS ALLOY[J]. Acta Metallurgica Sinica (English Letters), 2000, 13(6): 1141-1147.

COMPRESSIVE MECHANICAL PROPERLIES AND FRACTURE MORPHOLOGY OF Zr_(52.5)Cu_(17.9)Ni_(14.6)Al_(10)Ti_5 BULKY AMORPHOUS ALLOY

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