Contents

Russian Engineering Research

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Vol. 45, No. 4, 2025

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Estimation of Unbalance of Piston Engines

P. R. V. Maldonado, N. D. Chainov, and A. N. Krasnokutskiy p. 441  abstract

Modernization of the Joint of an Angle Bar with a Gusset Plate Based on General Principles of Design

Yu. A. Tsumarev, A. N. Sinitsa, T. S. Latun, and M. V. Latun p. 448  abstract

Increasing Service Lives of Chain Drives

A. V. Alekseev p. 451  abstract

Mathematical Model of a Multicomponent Monoreactive Oscillator of Arbitrary Frequency

V. D. Pavlov p. 459  abstract

Operation of an Excavator with an Improved Bucket

G. G. Buriy p. 463  abstract

Theoretical Foundations of Rational Design of Multi-Row Transverse Bolted Joints of Complex Configuration

V. F. Kozhevnikov p. 467  abstract

Study of Contact Stiffness in Mechanism Joints

A. S. Ivanov p. 476  abstract

Machine for Intensive Drying of Nonwoven Fabrics

A. A. Pokrovskiy, and V. E. Ivanov p. 484  abstract

Metallographic Analysis of a Tractor’s Front Axle

E. A. Tarasov p. 488  abstract

Improving Geometric Accuracy of Crankshaft Forging Die Impressions Based on Research Data on Wear Patterns of Ball End Mills

D. T. Safarov, and G. F. Glinina p. 491  abstract

Fatigue Failure of Composites

I. K. Arkhipov, S. I. Koryagin, V. I. Abramova, N. H. Sagatelyan, and P. R. Grishin p. 500  abstract

Microstructure of Carburized 12KhN3A Steel after Electromechanical Surface Quenching and Hardness Distribution over the Depth

L. V. Fedorova, L. P. Fomina, and Yu. S. Ivanova p. 503  abstract

Vibrational Drilling of Small-Diameter Holes

A. Ya. Ryzvanovich, V. V. Kapralov, and V. A. Generalov p. 508  abstract

Prospects for Production and Application of Grinding Wheels with Minimal Abrasive Content

V. K. Starkov, Zh. V. Varatkova, and V. K. Ermolaev p. 510  abstract

Influence of Combined Shot Peening and High-Temperature Pulsed Plasma Treatment on the Fatigue Life of Structural Steels

G. N. Kravchenko, Yu. V. Petukhov, and K. G. Kravchenko p. 516  abstract

Coating Thickness in Hot Dip Tinning of Copper Wire by POIn-52 Solder

A. O. Pat’yanova, M. V. Kuz’min, V. L. Semenov, and E. A. Mikishanina p. 522  abstract

Heat-Resistant ZrSi₂–MoSi₂–ZrB₂–ZrC/SiC Coating for Carbon–Carbon Composites

A. N. Astapov, and O. V. Tushavina p. 526  abstract

Nonsteady Heat Transfer in Multilayer Anisotropic Composite Plates

S. A. Kolesnik p. 530  abstract

Nonlinear Binder Decomposition in Composites at High Temperatures

E. L. Kuznetsova, and U. S. Glumova p. 535  abstract

Dynamic Behavior of Materials with Different Porosity

A. V. Babaytsev, M. Yu. Kalyagin, and L. N. Rabinskiy p. 539  abstract

Wave Heat Transfer in Shielding under Intense Heating

O. V. Tushavina p. 542  abstract

Solution of Nonsteady Inverse Coefficient Problems for a Thermoelastic Layer by Machine Learning

V. A. Vestyak, A. Yu. Ershova, Phan Tung Son, and G. V. Fedotenkov p. 546  abstract

Dynamic Behavior of Liquid-Filled Cylindrical Shell under a Mobile Load

B. A. Antuf’ev, O. V. Egorova, and E. L. Kuznetsova p. 550  abstract

Damage by Repeated High-Speed Water-Drop Impact: Finite-Element Modeling of Erosion

A. V. Babaytsev, and L. N. Rabinskiy p. 554  abstract

Management of Technical and Patent Level of Business Processes in the Field of Commercialization of the Results of Intellectual Activity in Higher Education Institutions

S. V. Novikov p. 557  abstract

Gradient Calculation in Assessing Solutions of Boundary Problems for Higher-Order Linear Parabolic Equations

Yu. A. Kostikov, V. I. Parenkina, and A. M. Romanenkov p. 561  abstract

Analysis of Solutions Regarding Vibrations of a Thermoelastic Layer

Yu. A. Kostikov, A. M. Romanenkov, and A. S. Skachkov p. 565  abstract

Calculation of the Gradient in Quenching the Vibrations of Short Beams

Yu. A. Kostikov, and A. M. Romanenkov p. 569  abstract

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