STUDIES OF THEORETICAL AND PRACTICAL ASPECTS OF THE DESIGN OF MATERIALS LIGHTER THAN AIR

This paper discusses some theoretical aspects of the design of ultralight materials. Potential application of syntactic foams in the fabrication of composites lighter than air is also analyzed. Carbon allotropic fo...

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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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EVALUATING THE FEASIBILITY OF MAKING ALUMINIUM ALLOY NANOMODIFIERS BY THE METHOD OF MECHANICAL ALLOYING

Nanomaterials extend the range of their application in human activities. The past few years have faced a considerable increase of interest in various aspects of the application of nanotechnology in liquid phase met...

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SELECTED THERMOPHYSICAL PROPERTIES OF ALUMINUM MATRIX COMPOSITES SUBJECTED TO MULTIPLE REMELTING

This article presents the results of research on selected thermophysical properties of the commercial F3S.10S, F3S.20S, F3S.30S metal matrix composites (MMCs) based on the Al359 alloy matrix reinforced with SiC particles added in an amount of 10 v...

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ON THE DAMPING CAPACITY OF COMPOSITE MATERIALS

The study adresses the problem of the damping capacity of metal matrix composites based on A359 alloy reinforced with 10%, 20% and 30% SiCp, subjected to multiple remelting. The aim of the research was to prove that the recycling proces...

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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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Thermal conductivity of carbon-reinforced metal-matrix composites

The paper presents a critical analysis of the current state-of-the-art thermo-physical properties of metal composite materials, in which different types of carbon reinforcing phase have been used: graphite, diamond, carbon fibres, carbon nanotubes...

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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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