Development and Characterisation of Metal Matrix Composite Steel/Cu-Zn*

Abdi, Saîd; Ouroua, Yacine; Menchi, O.

doi:10.3923/ajmskr.2010.147.153

Cited by 1 publication

(1 citation statement)

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“…5 Apart from these properties, it also provides high thermal and electrical conductivity, good resistance to aggressive environments, good impact resistance and erosion resistance and good fatigue and fracture properties. 6,7 There are several routes for the fabrication of the MMCs, such as stir casting, powder metallurgy (P/M), chemical vapour deposition, physical vapour deposition and spray deposition technique. 8 Among these, the P/M technique is used to produce quality MMCs with high homogeneity and overall improved structural and mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of Fe–ZrO₂ metal matrix composites

Jha

Gupta

Kumar

et al. 2013

Journal of Composite Materials

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This investigation reports the phase, microstructure and hardness of ZrO2-reinforced iron-based metal matrix composites synthesized by powder metallurgy. The process involved the preparation of homogeneous mixture of electrolytic iron powder with different weight percentages (5%, 10%, 20% and 30%) of ZrO2 by milling, compaction in the form of rod and sintering in the temperature range of 900–1100℃ for 1–3 h in argon atmosphere. The sintered samples were subjected to X-ray diffraction for phase analysis and to scanning electron microscopy for microstructure evaluation. The X-ray diffraction and scanning electron microscopy results show the presence of Fe, ZrO2 and Zr6Fe3O phases. This Zr6Fe3O phase is formed due to reactive sintering. From these studies it is concluded that two types of sintering are involved: (a) solid state sintering between Fe particles and (b) reactive sintering with the formation of iron zirconium oxide. Density and hardness of composite specimens were found to depend on fraction of ZrO2, the nature of sintering and the formation of Zr6Fe3O phases.

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