Journal of Machinery Manufacture and Reliability

Journal Article

Analyzing Stress and Strain Concentration in the Inelastic Region for Strengthening and Softening Materials

Makhutov, N. A.

2024 Journal of Machinery Manufacture and Reliability

doi:10.1134/s1052618824020109

The processes of elastic and elastoplastic deformation in concentration zones are analyzed for the case of different levels of rated stresses and resistance with respect to plastic strains. Based on the calculated and experimental data, it is shown that, with a decrease in the strengthening index...

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Journal Article

Quasi-Brittle Fracture of Ferromagnetic Material in a Magnetic Field

Bolotov, A. N.; Afanas’eva, L. E.; Gul’tyaev, V. I.; Alekseev, A. A.

2024 Journal of Machinery Manufacture and Reliability

doi:10.1134/s1052618824020031

The formation and development of cracks in samples made of ferromagnetic material, cast iron grade SCh 35, which are in a uniformly magnetized state under the influence of an internal magnetic field with a strength of more than 20 kA/m, has been studied. The anisotropic nature of quasi-brittle...

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Journal Article

Effect of the Carbon Component on the Strength of Reaction-Sintered Silicon–Carbide Ceramics

Dyuskina, D. A.; Markov, M. A.; Kravchenko, I. N.; Kashtanov, A. D.; Bykova, A. D.;

2024 Journal of Machinery Manufacture and Reliability

doi:10.1134/s1052618824020055

Theoretical calculations of the residual silicon content in the structure of reaction-sintered silicon carbide are provided. The dependence of the bending strength on the initial carbon content is established experimentally. The rational fractional composition and amount of the carbon component...

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Journal Article

Increasing the Mechanical Properties of Thin-Walled Parts of Vehicles and Mining Machines

Chibukhchyan, S. S.; Chibukhchyan, O. S.; Chibukhchyan, G. S.

2024 Journal of Machinery Manufacture and Reliability

doi:10.1134/s1052618824020043

The characteristics of thin-walled samples made of the 8011 aluminum alloy and Kh18N9T stainless steel after double-sided ultrasonic hardening of the surface layer are presented. The dependences of the change in the yield strength and the relative elongation of the sample layers made of the...

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Journal Article

Synthesizing an Internal Bevel Gear

Khalturin, M. A.

2024 Journal of Machinery Manufacture and Reliability

doi:10.1134/s1052618824020079

A method of synthesis of an internal bevel gear by coefficients of profile shift and shaft angle is presented. Formulas for calculating qualitative rates are derived: slip ratio, specific pressure ratio and overlap ratio. It is noted that such gear in comparison with the external bevel gear is...

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Journal Article

A Comprehensive Method for Studying the Lubricity of Oils with Solid Micro/Nanoadditives

Tokhmetova, A. B.

2024 Journal of Machinery Manufacture and Reliability

doi:10.1134/s1052618824020158

In this article, a comprehensive methodology has been developed to study the lubricity of oils with solid micro/nanoadditives, including mathematical models that allow estimating the temperature during shear and variable speed in the layer. The dynamic temperature gradient across the thickness,...

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Journal Article

Technological Possibilities of a Special Strategy for Processing Cycloidal Screw Surfaces with a Nonprofiled Tool

Goncharov, A. A.; Akulinichev, P. D.; Al’bov, M. A.; Zenin, I. O.

2024 Journal of Machinery Manufacture and Reliability

doi:10.1134/s1052618824020067

In screw volumetric machines, cycloidal screw surfaces of complex profile are used as working bodies. This paper is devoted to study of the technological possibilities of preparing the production of such screw surfaces using a special processing strategy with a nonprofiled tool on a 4-axis CNC...

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Journal Article

Study and Implementation of a Unique Wave Technology for Processing Creaming Suspensions with Increased Performance Characteristics

Kuznetsov, Yu. S.; Artamonov, V. Yu.; Aver’yanov, A. P.; Ganiev, S. R.; Sultanov, D. R.;

2024 Journal of Machinery Manufacture and Reliability

doi:10.1134/s1052618824020080

The results of the study and implementation of a unique wave technology for processing cement slurry with increased performance characteristics in the construction of oil and gas wells are presented. Based on a theoretical justification of the effect of waves with a certain spectral...

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Journal Article

Designing a Robotic Vehicle for Recycling Space Debris

Barkova, M. E.; Zhukov, A. O.; Kartsan, I. N.; Kuznetsova, V. O.; Ulanov, D. V.;

2024 Journal of Machinery Manufacture and Reliability

doi:10.1134/s105261882402002x

The concept of a spacecraft for collecting space debris assumes that its orbit continuously changes in relation to the location of space debris in various orbits. The highest density of space debris, which is 10–6 t/km3, is observed at orbital altitudes of 800–1000 and 1400–1500 km with an...

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Journal Article

Numerical Simulation of Automotive Drive Shaft Using Carbon/Epoxy and Kevlar/Epoxy Composite Materials to Enhance Fatigue Life

Zeleke, D. S.; Tura, D. E.

2024 Journal of Machinery Manufacture and Reliability

doi:10.1134/s105261882402016x

The impact of the orientation angle and stacking order of the composite material on the torsional strength, buckling, and natural frequency of the drive shaft was demonstrated in a number of investigations. When designing and analyzing various composite materials, carbon/epoxy and Kevlar/epoxy...

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Journal of Machinery Manufacture and Reliability

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