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The results of the analysis of the ordered phase equilibria in binary Cu-Ni, Cu-Pd, and Ni-Pd, and ternary Cu-Ni-Pd systems are presented. It has been established that the packing index in disordered solid solutions of binary systems Cu-Ni, Cu-Pd, and Ni-Pd is close to the value of 0.74, and is accompanied by an insignificant deviation from the Zen law of concentration dependences of atomic volumes...
The paper proposes a synthesis method of a new effective organo-mineral admixture for cement systems. The study of the admixture production modes at 600 °C and 400 °C in conditions of limited air access is described. It is shown that introduction to the cement system of the peat-based admixture produced at 600 °C allows to achieve a significant improvement in the strength and hydro-physical properties...
The effect of ultradispersed powders of soft metals on lubricating properties of oil has been studied in the paper. The optimum concentration of the additive of ultradispersed metal powders in non-modified oil has been established. It has been shown that modified oil possesses higher functional properties.
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