Actual Problems in Machine Building 2020 Vol. 7 No. 1-2

Actual Problems in Machine Building. Vol. 7. N 1-2. 2020 CONTENTS ____________________________________________________________________ 8 Popova M.V., Malyuh M.A. Structure and Thermal Expansion of High-alloy Alloys of the Al-Si-Cu System for Special Purposes 105 Afanasyev V.K., Popova M.V., Dolgova S.V., Zhibinova I.A., Chernysh A.P. Рossibility of Using White Unalloyed Cast Iron as Instrumental Material 113 Binceva A.A., Kornienko E.E., Kuzmin V.I. Air Plasma Spraying of Boron Carbide Coatings 122 Alkhimova E.S., Volkov A.S., Maksimov B.A., Sizov I.G., Polyansky I.P. Study of Borochrome Steel 20 are Received in the Conditions Isothermic and Thermocyclic Heating 128 Rashkovets М.V., Nikulina A.A., Mendagaliev R.V., Kislov N. G. Mechanical Properties and Structure of 55Ni-17Cr-5Fe-3Mo Alloy under Additive Manufacturing Condition 133 Astrashab E.V., Belotserkovsky M.A., Grigorchik A.G., Kukareko V.A. Influence of Annealing on the Structural-Phase State and Tribotechnical Properties of Hypersonic Metallization Coatings from Falsely Alloys Based on Ni80Cr20 138 Prudnikov A.N., Prudnikov V.A Hardening of Earth Castings from Binary Hypereutectic Silumins 145 Guidelines for Writing a Scientific Paper 151 Abstract requirements 153 Rules for authors 155