Contents

Russian Journal of Non-Ferrous Metals

Vol. 62, No. 6, 2021

Mineral Processing of Nonferrous Metals

Comprehensive Assessment of Flotation Reagents by Their Influence on Metal Losses and Flotation Selectivity

V. I. Bragin, E. A. Burdakova, N. F. Usmanova and A. I. Kinyakin p. 629  abstract

Metallurgy of Nonferrous Metals

Physicochemical Regularities of the Pressure Leaching of a Zinc Sulfide Concentrate in the Presence of Lignosulfonate

E. B. Kolmachikhina, T. N. Lugovitskaya, M. A. Tret’yak and K. D. Naumov p. 637  abstract

Extraction of Nonferrous Metals and Arsenic from Thin Dusts of Copper Fuel Production by Combined Technology

S. V. Mamyachenkov, N. A. Khanzhin, O. S. Anisimova and K. A. Karimov p. 648  abstract

Processing Finely Dispersed Technogenic Raw Materials for Aluminum Production in Order to Extract Valuable Components

N. V. Nemchinova, A. E. Barauskas, A. A. Tyutrin and V. S. Vologin p. 659  abstract

Metallurgy of Rare and Noble Metals

Autoclave Dissolution of Platinum Metals in Hydrochloric Acid Oxidizing Media

N. V. Belousova, O. V. Belousov, R. V. Borisov and A. A. Akimenko p. 668  abstract

Foundry

Improving the Casting Process in Ceramic Forms Using Additive Technologies in Manufacturing Model Kits

K. V. Nikitin, B. N. Tukabayov, V. N. D’yachkov, V. I. Nikitin, V. B. Deev and A. Yu. Barinov p. 675  abstract

Physical Metallurgy and Heat Treatment

Effect of Conditions of High-Temperature Treatment on the Structure and Tribological Properties of Nickel-Based Laser-Clad Coating

N. N. Soboleva and A. V. Makarov p. 682  abstract

Investigations on the Effect of Cyclic Heat Treatment on the Mechanical Properties of Friction Stir Welded Aluminum Alloys (AA5052 & AA6061)

Chikkam Srikanth, Dr. R. Vaira Vignesh and Dr. R. Padmanaban p. 692  abstract

Effect of TiC Addition on the High-Temperature Hardness and the Carbide Stability in Al0.2CoCrFeNi1.5Ti High-Entropy Alloy

Hengwei Luan, Yang Shao, Xuerun Zhang, Jian Zhu, Shuhang Yang, Jiajia Si, Jinfeng Li and Ke-Fu Yao p. 708  abstract

Theory and Processes of Forming and Sintering of Powder Materials

Obtaining a High-Entropy Fe–Cr–Co–Ni–Ti Alloy by Mechanical Alloying and Electric Spark Plasma Sintering of a Powder Mixture

N. A. Kochetov, A. S. Rogachev, D. Yu. Kovalev, A. S. Shchukin and S. G. Vadchenko p. 716  abstract

Formation of Structure and Properties of Hot-Deformed Powder Steels Microalloyed with Sodium and Calcium in the Process of Thermal and Thermomechanical Treatment

V. Yu. Dorofeyev, A. N. Sviridova and V. A. Samoilov p. 723  abstract

Self-Propagating High-Temperature Synthesis

The Synthesis of Cast Materials Based on the MAX Phases in a Cr–Ti–Al–C System

V. A. Gorshkov, N. Yu. Khomenko and D. Yu. Kovalev p. 732  abstract

Influence of Molybdenum and Rhenium Dopants on the Structure and Properties of NiAl–Cr–Co Cast Alloy

V. V. Sanin, M. I. Aheiev, Yu. Yu. Kaplanskii and M. I. Petrzhik p. 740  abstract

Refractory, Ceramic, and Composite Materials

Strength and Fracture Resistance of Quartz Fibers with Polyimide Coatings

M. I. Bulatov and A. A. Shatsov p. 756  abstract

Study of the Structure and Properties of Cermets Based on the NiAl–Al2O3 System

L. E. Agureev, V. I. Kostikov, Zh. V. Eremeeva, B. S. Ivanov, S. V. Savushkina, I. N. Laptev, A. A. Ashmarin, A. V. Ivanov and G. V. Sivtsova p. 763  abstract

Production Processes and Properties of Powders

Formation of Carbon Nanotubes and Microsilica during the Production of Crystalline Silicon in Three-Phase Ore-Thermal Furnaces

M. P. Kuz’min, V. V. Kondratiev, A. S. Kuz’mina, A. E. Burdonov and Jia Q. Ran p. 771  abstract

Nanostructured Materials and Functional Coatings

Using a Procedure for Estimating Cavitation Impact for Analyzing the Erosion Resistance of Cermet Thermal Sprayed Coatings

H. L. Alwan, A. V. Makarov, N. N. Soboleva, Yu. S. Korobov, V. I. Shumyakov, N. V. Lezhnin and V. A. Zavalishin p. 778  abstract

Effect of Nitrogen Concentration in a Gas Mixture on the Structure and Properties of Zr–B–(N) Coatings Obtained by the HIPIMS Methods

A. D. Sytchenko, S. B. Kabildina and Ph. V. Kiryukhantsev-Korneev p. 785  abstract