INVESTIGATIONS OF A CORRELATION BETWEEN THE TYPE AND AMOUNT OF MODIFIER, HIGH-TEMPERATURE TRANSFORMATIONS AND RESIDUAL STRENGTH OF SANDS WITH MODIFIED SODIUM SILICATES

The article presents the results of high-temperature investigations of the modified samples of hydrated sodium silicate and of the sand mixtures with an addition of this compound. To improve the knocking out proper...

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Preliminary testing of microwave-cured joints made of adhesives based on hydrated sodium silicate and quartz sand

In this paper an attempt was made to explain the phenomena accompanying the formation and destruction of bonded elements of moulds and cores in which a mixture of unmodified hydrated sodium silicate with a molar module of 2.9 (...

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The microstructure of composite materials in the EN AW-2024 alloy matrix reinforced by α-Al2O3 particles

The paper presents the results of investigations into the microstructures of composite materials produced by pressure infiltration of preforms of ceramic α-Al2O3 particles with aluminium alloy EN AW-2024. In particular,...

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