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Multifarious Fracture Features of CuZrAlGd(Ag) Bulk Metallic Glasses

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Abstract:

Multifarious fracture features, such as coarse rive-like, micro holes, rugged and flat fracture surface, were systematically investigated in the monolithic Cu46-xZr45Al7Gd2Agx (x=0, 0.5) bulk metallic glasses. The fracture planes presented different angles with the loading direction. These fracture features were completely different from the typical fracture characteristics of amorphous alloys, i.e. vein-pattern and fracturing approximately along the maximum shear stress plane. On the other hand, some tiny strips with about 50 nm intervals were also detected on the flat fracture plane. The preliminary discussions on the formation mechanisms of these exceptional features were presented.

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Periodical:

Advanced Materials Research (Volumes 29-30)

Pages:

47-50

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.29-30.47

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Online since:

November 2007

Authors:

H.M. Fu, Haifeng Zhang, H. Wang, Ming Xing Zhang, Zhuang Qi Hu

Keywords:

Bulk Metallic Glass (BMG), Cu-Based, Fracture Features

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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