Software Module for Assessing the State of Mining Equipment Based on Regularities of Changes in the Structural-Phase State and Fields of Metal Internal Stress

Смирнов, А. Н.; Ababkov, Nikolay; Nikitenko, Mikhail; Pimonov, Maksim V.; Teleguz, A.S.; Nesterenko, Kirill S.; Medvedchikov, Maxim N.

doi:10.26730/1999-4125-2022-6-50-58

Cited by 2 publications

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“…A structural-mechanical criterion has been developed [52] that reflects the revealed relationships between the structural and substructural states, internal stress fields and stable localization of deformations with the characteristics of non-destructive tests in the metal of long-term power equipment made of structural 0.2 C steel and heat-resistant 0.12C-1Cr-1Mo-1V steel.…”

Section: Theoretical Partmentioning

confidence: 99%

Evaluating the Residual Life of Long-Term Equipment Made of Structural and Heat-Resistant Steel by Using the Structural–Mechanical Criterion

Ababkov

Smirnov

Данилов

2023

Metals

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The use of acoustic and magnetic methods of non-destructive testing to detect zones of stable localization of deformation in order to assess and predict the performance of long-term equipment is of scientific and practical interest at present. A structural–mechanical criterion was developed that reflects the relationships between the structural and substructural states, internal stress fields and stable localization of deformations with the characteristics of non-destructive tests in the metal of long-term equipment made of structural 0.2 C steel and heat-resistant 0.12C-1Cr-1Mo-1V steel. The values of the structural–mechanical criteria Ks.-m for structural 0.2 C steel and for heat-resistant 0.12C-1Cr-1Mo-1V steel, corresponding to the moment of stable localization of deformation, are established. At the same time, it is recommended to replace the checked equipment nodes due to the exhaustion of the resource. The proposed and justified approach to assessing and predicting the performance and residual life of long-term power equipment, based on the identified relationships between the structural and substructural states, internal stress fields and stable localization of deformations with the characteristics of non-destructive tests and the calculation of the structural–mechanical criterion, was applied at a number of power plants in the Kemerovo region—Kuzbass. A methodology was developed for evaluating the residual life, based on the identification and use of relationships between structural and substructural states, internal stress fields and stable localization of deformations with the characteristics of non-destructive tests and the calculation of a structural–mechanical criterion.

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Section: Theoretical Partmentioning

confidence: 99%

Evaluating the Residual Life of Long-Term Equipment Made of Structural and Heat-Resistant Steel by Using the Structural–Mechanical Criterion

Ababkov

Smirnov

Данилов

2023

Metals

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“…Currently, the technology of arc metallization according to technical and economic indicators is a promising way to restore worn parts of equipment. Therefore, the development of new flux-cored wires to obtain wear-resistant coatings remains topical [1][2][3][4][5][6][7]. As practice shows, coatings obtained by arc metallization are characterized by a non-uniform layered structure.…”

Section: Introductionmentioning

confidence: 99%

Elemental Distribution of Gas-Thermal Coatings with W and Ta Modifiers

Lebedev

2020

MSF

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Currently, the technology of arc metallization according to technical and economic indicators is a promising way to restore worn parts of equipment. In the coating process the cored wire is melted by an electric arc, and molten particles are accelerated towards the surface parts with high temperature gas flow. On the subsequent formation of strengthening coatings are significantly influenced the technological modes of electric arc metallization. As practice shows, the coatings obtained by electric arc metallization are characterized by a heterogeneous layered structure. The structure of powder coatings, the distribution, composition and properties of the phases affect on the wear resistance, hardness and strength of the machined surface of machine parts and mechanisms. It is therefore necessary a detailed study of the structure of wear-resistant coatings taking into account technological properties of cored wire, and process heating of the particles by arc spraying. In this work the X-ray microanalysis of the elements of the structure of wear-resistant coatings obtained from cored wire with a refractory additives were conducted. The results of the study will be useful for the improvement technology of electric-arc metallization cored wires.

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Software Module for Assessing the State of Mining Equipment Based on Regularities of Changes in the Structural-Phase State and Fields of Metal Internal Stress

Cited by 2 publications

References 0 publications

Evaluating the Residual Life of Long-Term Equipment Made of Structural and Heat-Resistant Steel by Using the Structural–Mechanical Criterion

Evaluating the Residual Life of Long-Term Equipment Made of Structural and Heat-Resistant Steel by Using the Structural–Mechanical Criterion

Elemental Distribution of Gas-Thermal Coatings with W and Ta Modifiers

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