Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 480, Issue 1-2, Pages 266-270Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2007.08.021
Keywords
Ni-Zn ferrites; hardness; compressive strength; flash combustion; citrate-gel decomposition
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The mechanical properties like hardness, H-v and compressive strength, sigma of Ni1-xZnxFe2O4 (x = 0.2, 0.3, 0.4 and 0.5) prepared by the non-conventional flash combustion and citrate-gel decomposition techniques are studied and reported. It is observed that there is an increase in hardness with zinc content as well as sintering temperature. The hardness in the order of 2.0-3.63 GPa and compressive strength in the order of 150-240 MPa are obtained for Ni-Zn ferrites prepared by these non-conventional techniques. The influence of density, porosity and microstructure on hardness and compressive strength of Ni-Zn ferrites with respect to sintering temperature was studied. (C) 2007 Elsevier B.V. All rights reserved.
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