Synthesis of NiAl/Al2O3 composites via in-situ reduction of precursor oxides

Krishnan, P.; Silva, André Luiz Vasconcellos da Costa e; Kaufman, Michael J.

doi:10.1016/0956-716x(95)93211-l

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Cited by 5 publications

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“…Processing by displacement reactions allows the in situ growth of reinforcements in the composite matrix resulting in composites with unique combinations of reinforcements and matrices. Recently, a number of composites for structural applications have been processed by using displacement reactions [4][5]. Subramanian et al [6] have demonstrated the feasibility of producing Fe-Al alloy/Al 2 O 3 composites by an in situ displacement reaction between Fe-40at.%Al and the hematite (Fe 2 O 3 ).…”

Section: Introductionmentioning

confidence: 99%

The Role of the Displacement Reaction in the Production of Surface Composite Layer

Janó

Buza

2012

MSF

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Composites of ceramic particle reinforcement (such as alumina) have potential for high temperature structural applications. In contrast to conventional processing methods (e.g. mechanical alloying), in situ processing techniques can be inexpensive and can also lead to unique microstructures, such as very fine dispersions of the reinforcements or interconnecting phases. The feasibility of processing Fe/Al2O3 composites layer by an in situ displacement reaction between Fe2O3 and Al by using laser beam pre-experiments were carried out and the results are presented in this paper.

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Section: Introductionmentioning

confidence: 99%