Development of Technologies  and Equipment for Laser Hardening  and Welding of Machines  and Tools’ Parts

Biryukov, V. P.; Tatarkin, D. Yu.; Hryptovich, E.; Fishkov, A. A.

doi:10.22184/24999407.2017.9.4.42.47

Cited by 4 publications

(2 citation statements)

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“…The effect of laser quenching with a round, profiled and oscillating beam on increasing the service life of machine parts [18] and modeling of laser quenching of AISI 4140 steel [19] is considered.…”

Section: Introductionmentioning

confidence: 99%

Modeling of the PG-CP4 coating hardness applied to H12M steel and subjected to laser treatment

et al. 2021

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The article considers the influence of the radiation power W, the longitudinal feed Spr of the laser beam and the distance L from the protective glass of the laser focusing head to the workpiece on the PG-CP4 coating hardness which was applied to H12M steel by plasma and then subjected to laser treatment. A multi-factor model is established that relates the PG-CP4 coating hardness to the input process factors and allows you to quickly assign a laser treatment mode and to control it in order to improve the quality of the processed surface layer. Increasing W, Spr and L leads to a increase in the HV parameter. The longitudinal feed Spr of the laser beam has the greatest effect on the surface layer hardness, then followed the distance L and radiation power W. The research results are relevant for manufacturing enterprises that implement laser processing processes of materials and design organizations that develop modern laser equipment.

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Section: Introductionmentioning

confidence: 99%

Modeling of the PG-CP4 coating hardness applied to H12M steel and subjected to laser treatment

et al. 2021

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“…The effect of laser hardening with a round, profiled and oscillating beam on increasing the service life of machine parts is considered [18] and modeling on several tracks of laser hardening of AISI 4140 steel [19].…”

Section: Introductionmentioning

confidence: 99%

Modeling the hardness of the titanium alloy subjected to laser processing

2020

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The article considers the influence of the radiation power W, the longitudinal feed Spr of the laser beam and the distance L from the protective glass of the laser focusing head to the workpiece on the hardness Hv of the titanium alloy TiTaN. A multi-factor model is established that relates the surface layer hardness to the input factors of laser processing and allows you to quickly assign a laser treatment mode and to control it in order to improve the quality of the processed layer. The power W has the greatest effect on the hardness of the surface layer. With increasing W, the hardness increases. Increasing the feed Spr leads to a decrease in the Hv parameter. The effect of the distance L is similar to the radiation power, but the degree of influence of L is more than half as small as W. The developed method of operational assignment of the laser processing mode allows to reduce the auxiliary time for performing the technological operation. The research results are relevant for manufacturing enterprises that implement laser processing processes, as well as for design organizations that develop modern laser equipment.

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