"MECHANICAL ALLOYING TO PRODUCE SOME Fe- CONTAINING ALLOYS"
Saleh Hemedah Mohamed;
Abstract
Mechanical alloying is a solid.- state process for producing nonmaterial either metallic or ceramic powders to form solid solutions, intermetallics and amorphous alloys as welL
Fex-Cu10o-x solid solutions (where X= 10, 30,50,70 & 90 wt%) and
intennetallics FeAI, AI5Fe2 and Ahfe have been obtained by mechanical alloying.
Structural changes of materials during the milling and heat treatment process have been studied by X-ray diffraction, Differential of thermal analysis, Mossbaur spectroscopy, electrical resistivity and hardness measurements while Morphology of milled powders was followed using both Optical and Scanning electron microscopy. Also, lattice parameter, particle size and root mean square (rms) strain of milled powders as function of milling time were calculated.
Results showed that mechanical alloying process is carried out through fine stages particle flattening, welding predominance, equiaxed particle formation, random welding orientation and study state composite powder. Moreover FeAI and AI5Fe2 intermetallics could be synthesized directly by mechanical alloying where as AbFe
only formed after heat treatment of milled powders.
Fex-Cu10o-x solid solutions (where X= 10, 30,50,70 & 90 wt%) and
intennetallics FeAI, AI5Fe2 and Ahfe have been obtained by mechanical alloying.
Structural changes of materials during the milling and heat treatment process have been studied by X-ray diffraction, Differential of thermal analysis, Mossbaur spectroscopy, electrical resistivity and hardness measurements while Morphology of milled powders was followed using both Optical and Scanning electron microscopy. Also, lattice parameter, particle size and root mean square (rms) strain of milled powders as function of milling time were calculated.
Results showed that mechanical alloying process is carried out through fine stages particle flattening, welding predominance, equiaxed particle formation, random welding orientation and study state composite powder. Moreover FeAI and AI5Fe2 intermetallics could be synthesized directly by mechanical alloying where as AbFe
only formed after heat treatment of milled powders.
Other data
| Title | "MECHANICAL ALLOYING TO PRODUCE SOME Fe- CONTAINING ALLOYS" | Other Titles | التسابك الميكانيكى لانتاج بعض السبائك المحتوية على فلز الحديد | Authors | Saleh Hemedah Mohamed | Issue Date | 2001 |
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