Journal
JOURNAL OF NON-CRYSTALLINE SOLIDS
Volume 499, Issue -, Pages 58-61Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jnoncrysol.2018.07.013
Keywords
Fe-based metallic glass; Metalloid elements; Plastic deformation behavior; Indentation deformation
Funding
- NSFC [50971046]
- Scientific research foundation of advanced talents (innovation team), DGUT [KCYCXPT2016004]
- Young Creative Talents Project of Ordinary University in Guangdong province [2015KQNCX158]
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A novel Fe-based metallic glass (Fe0.52Co0.30Ni0.18)(73)Cr17Zr10 without metalloids has been prepared. Its mechanical properties and plastic deformation behavior have been investigated systematically by bending test, tensile test and Vickers indentation test. This metallic glass ribbon exhibits good bending ductility, but it shows catastrophic brittle fracture in tensile tests. The Vickers hardness is 904.4 HV, which is higher than most of used quenched steel, manifesting the possibility of good wearability. Under different indentation forces, the plastic deformation of indentation is adjusted through radial and semi-circular shear bands. The average indentation size(D) and the radius of plastic deformation zone(R) increases with increasing indentation forces(P). The normalized shear deformation zone(R/D) is unrelated with indentation forces.
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