TECHNOLOGICAL ASPECTS OF THE SYNTHESIS OF METAL MATRIX COMPOSITES REINFORCED WITH CENOSPHERES

The paper presents a method of casting metal matrix composite materials based on light alloys reinforced with cenospheres. The cenospheres, which are product of fly ash processing by flotation, were formed into the...

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FLY ASH AS A COMPONENT OF THE REINFORCEMENT OF LIGHT ALLOY METAL MATRIX COMPOSITES. PART 1. COAL COMBUSTION BY-PRODUCTS MANAGEMENT

The first part of the publication presents the structure of global power industry market. Fundamental technologies of heat and electricity production in conventional coal combustion processes are considered,with sp...

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ALFA COMPOSITES FABRICATED BY MECHANICAL ALLOYING - ANALYSIS OF THE REINFORCING PHASE DISTRIBUTION BY COMPUTED MICROTOMOGRAPHY

The paper presents the results of examinations of composite samples in which the reinforcement is waste fly ash from power plants, while matrix is an aluminium (A8). The agglomerates of master composite obtained by...

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RECYCLING OF WASTE FLY ASH FORMED DURING COMBUSTION OF HARD COAL FOR USE IN MOULDING MIXTURES MANUFACTURE

The article is a compilation of the most important results obtained during execution of own research project regarding the possibility of using fly ash formed during combustion of hard coal as a base granular material ...

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Fly ash as the reinforcement of light alloy metal matrix composites. Part 2: High temperature investigations

The second part of the publication presents the results of high temperature investigations of selected sorts of fly ash serving as a reinforcement in ALFA composites. Using graphs illustrating changes of sample dimensions in function of temperatur...

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AN INNOVATIVE METHOD FOR THE FABRICATION OF COMPOSITE RODS REINFORCED WITH WASTE MATERIALS

The paper presents the results of examinations of composite samples in which the reinforcement is waste fly ash from power plants, while matrix is aluminum (99,98 wt.%). The agglomerates of master composite obtained by mechanical alloying were sub...

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Fly ash as a reinforcement of light metal matrix composites. Part 3. The influence of a chemical composition on characteristic fusibility temperatures of coal fly ashes

Temperature properties of fly ash are closely correlated to the chemical composition and proportions of the main compounds, comprising the waste material. Statistical analysis of data obtained during the measurement of fusibility, showed a high co...

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Tribological characterization of high porosity aluminum based composite materials

The present work aims to study the effect of the reinforcing phase on dynamic coefficient of friction and mass wear of specimen with different compositions under various friction conditions.Porous materials with different compositions and re...

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High porosity fly ash/Ni/P composite produced by electroless deposition

The aim of the present study is to create a composite material possessing useful properties enabling the waste fly ash to be utilized. To obtain the final material, fly ash is subjected to separation by size and density. The innovative approach to...

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Industrial mineralogy of the Polish fly ashes and their unique utilization

This study was undertaken to recognize sintering-, softening-, melting-, flow temperature, mineralogy, chemistry and prospects for utilization of the Polish fly ashes (FA, FAs). The study is metallurgy-foundry oriented, i.e. it regards the ashes a...

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