January 1, 2023

Investigation of effect of functional gas-thermal coatings on fatigue strength of structural materials

Key Points

Fatigue strength significantly increases in structural materials with functional coatings, enhancing material durability.
Experiments indicated a notable improvement in fatigue strength metrics, particularly in steel 45 and high-strength cast iron.
Analysis used multifactorial experiments to evaluate the impact of gas-thermal spraying techniques.
Findings may lead to new engineering applications, emphasizing the benefits of gas-thermal coating technologies.

Abstract

The studies on the possibility of using technologies of gas-thermal spraying of functional coatings in order to increase the fatigue strength of structural materials are discussed. A number of experiments were carried out in laboratory conditions, using the method of the planning of multifactorial experiments. The study results of the fatigue strength of structural materials (steel 45 and high-strength cast iron VCh 60-2) with functional reinforcing coatings formed by gas - thermal deposition of the powder composition (95% EP-109 + 5% Al-Mg) are presented. Mathematical models describing the effect of manufacturing modes of gas-thermal spraying on the fatigue strength of the materials under study have been obtained.

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Cite This Study

A Sun, study studied this question.

synapsesocial.com/papers/68af65a1ad7bf08b1eae5da1 https://doi.org/https://doi.org/10.31044/1684-2499-2023-0-11-10-14

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