Mechanical properties of Si3N4 – graphene composites sintered by SPS method

Silicon nitride powder with a small addition of magnesium oxide and yttria stabilized tetragonal zirconia fine particles was used as a starting material. Multilayer graphene nanoplatelets were used as filler for silicon nitride based composites. G...

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Nanocomposite chromium coatings on aluminum alloys

Chromium coatings modified with nanodiamond particles were deposited on aluminum alloys. The concentration of the nanodiamond particles in the chrome plating electrolyte was from 5 to 25 g/l. The thickness of the layer varied between 30 and 70 &mu...

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Investigation of mechanical properties and coefficients of sound insulation of innovative silicone composite material

A new non-combustible, non-flammable, waterproof, long-lasting, heat-insulating composite material was made of glass foam granules (derived from glass waste) and a hydraulic inorganic binder in the form of a white Portland cement solution (CE...

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Cermet composite material based on aluminothermy

A new method for synthesis of cermet composite materials was developed based on aluminothermy. Employing this method a cermet composite material with a high content of AlN crystal phase was synthesized. Fine powders of aluminum and silica glass we...

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Investigation of the interaction between the CuZn38Pb2 matrix and the Fe reinforcement phase during the production of the complex relief MMCs

The present paper is relevant to the investigation of the interaction between the copper alloy metal matrix (CuZn38Pb2) and the reinforcement phase (Fe) during the production of "hybrid" complex relief MMCs. An innovative production method is...

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Wetting behavior of Si-13.5B alloy on polycrystalline h-BN-based substrates

In this work, for the first time the results of an experimental evaluation of the high temperature behavior of molten Si-B alloy in contact with refractory materials at temperatures up to 1750°C, under static argon atmosphere (p = 850-900 mbar...

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Electrolyte coatings of chromium with nanodiamonds on sintered steels

Sintered ferrous components were coated with electrochemical chromium coatings modified with nanodiamond particles. The nanodiamond particles were produced by detonation synthesis with an average grain size 8 nm. The objective of this study was to...

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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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