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The structure and mechanical properties of amorphous and nanocrystalline Fe–Si–B alloys
Author(s) -
SYPIEŃ A.,
KUSIŃSKI J.
Publication year - 2006
Publication title -
journal of microscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.569
H-Index - 111
eISSN - 1365-2818
pISSN - 0022-2720
DOI - 10.1111/j.1365-2818.2006.01680.x
Subject(s) - nanocrystalline material , materials science , amorphous solid , amorphous metal , microstructure , ultimate tensile strength , deformation (meteorology) , fracture (geology) , composite material , metallurgy , scanning electron microscope , tensile testing , alloy , crystallography , nanotechnology , chemistry
Summary This article describes the results of investigations of the microstructure of failure surfaces and the mechanism of deformation of an amorphous Fe 80 Si 11 B 9 alloy, nanocrystallized with the use of Nd:YAG pulsed laser heating. The research included ‘ in situ ’ tensile testing in a scanning electron microscope. Mechanical properties were also measured on an Instron‐type machine for the amorphous and nanocrystalline alloys. The mechanical tensile tests performed on the amorphous and nanocrystalline samples showed a ductile fracture surface with very high fracture stress. Detailed observations of the flow deformation and fractures revealed the relationship between the quenched‐in crystalline and mechanical behaviour.