Restoration and Hardening of the Working Chamfer of the Valve of an Internal Combustion Engine by Selective Laser Melting (SLM)

A technology for renewal and strengthening of a working valve face of a gas distribution mechanism of an internal combustion engine is discussed. A route-and-operational map of the valve repair process has been compiled. Among the main features, the surfacing method (selective laser melting—SLM) and...

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Veröffentlicht in:Steel in translation 2023-03, Vol.53 (3), p.232-237
Hauptverfasser: Volkov, K. G., Ipatov, A. G., Kharanzhevskii, E. V., Shmykov, S. N.
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container_end_page 237
container_issue 3
container_start_page 232
container_title Steel in translation
container_volume 53
creator Volkov, K. G.
Ipatov, A. G.
Kharanzhevskii, E. V.
Shmykov, S. N.
description A technology for renewal and strengthening of a working valve face of a gas distribution mechanism of an internal combustion engine is discussed. A route-and-operational map of the valve repair process has been compiled. Among the main features, the surfacing method (selective laser melting—SLM) and the method of diamond smoothing the surface of a protective-and-renewal coating are highlighted. The processing modes of the part are described. Data on the physical-mechanical characteristics of the coating were obtained. According to the test results, it was concluded that the valve life became double.
doi_str_mv 10.3103/S0967091223030191
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subjects Chamfering
Chemistry and Materials Science
Diamonds
Internal combustion engines
Laser beam melting
Materials Science
Mechanical properties
Protective coatings
title Restoration and Hardening of the Working Chamfer of the Valve of an Internal Combustion Engine by Selective Laser Melting (SLM)
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