Microstructural characterisation of Fe–Cr–P–C powder mixture prepared by ball milling
作者： N. Bensebaa , S. Alleg , F.Z. Bentayeb , L. Bessais , J.M. Grenèche
DOI: 10.1016/J.JALLCOM.2004.06.075
关键词: Phosphide 、 Ball mill 、 Amorphous metal 、 Carbide 、 Powder mixture 、 Microstructure 、 Materials science 、 Analytical chemistry 、 Amorphous solid 、 Powder metallurgy 、 Metallurgy 、 Mechanical engineering 、 Materials Chemistry 、 Mechanics of Materials 、 Metals and Alloys
摘要: Abstract In an attempt to prepare amorphous Fe 77 Cr 4 P 8 C 11 alloy by mechanical alloying, powder mixtures of Fe, Cr, and (activated carbon) with a purity 99.9% have been ball milled, under argon atmosphere for several periods up 90 h, in planetary mill (Fritsch P7). The structure microstructure the milled powders characterised, as function milling time, X-ray diffraction Mossbauer spectrometry. During first stage (up 12 h), detailed analyses patterns spectra reveal complete dissolution elemental formation x (1 3 phosphides carbide addition α -(Fe,Cr) phase. like state is reached after 32 h milling. Further leads appearance new carbides such (Fe,Cr) 7 ɛ ′-Fe 2.2 phosphide type phase embedded matrix.
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