Manganous-zinc ferrites synthesized out of MnO |
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| Authors: | C E Deshpande P P Bakare M N Sankarshana Murthy |
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| Affiliation: | (1) Physical Chemistry Division, National Chemical Laboratory, 411 008 Poona, India;(2) Materials Research Laboratory, Indian Institute of Science, 560 012 Bangalore, India |
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| Abstract: | Manganous-zinc ferrites are best prepared directly from MnO and can be conveniently pressed with non-volatilizable binders such as polyvinyl alcohol which however can be burnt out without oxidizing the Mn2+ in the ferrite by sintering in a static atmosphere generated by the thermal dissociation of active ferric oxide pellets placed out of contact with the ferrite in the closed sintering unit. Such a process eliminates cracks and rejections in the sintered pieces besides giving very satisfactory and reproducible results. NCL Communication No. 3059 |
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| Keywords: | Manganous-zinc ferrites sintering elimination of cracks |
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