Photonics RussiaPhotonics RussiaФотоника1993-72962686-844XTechnosphera JSC64224110.22184/1993-7296.FRos.2024.18.6.436.449Technologies & Technology EquipmentТехнологии и технологическое оборудованиеResearch ArticleInvestigation of the Process of Laser Descaling of Mill MetalИсследование процесса лазерной очистки металлопроката от окалиныhttps://orcid.org/0009-0001-6814-1737ZhurbaDanila V.ЖурбаДанила Владимирович
Russian Federation

postgraduate student, Junior Researcher

аспирант, младший научный сотрудник

photonics@technosphera.ruZhurbaVladimir M.ЖурбаВладимир Михайлович
Russian Federation

General Director

генеральный директор

photonics@technosphera.ruVeikoVadim P.ВейкоВадим Павлович
Russian Federation

Doctor of Technical Sciences, Professor, Chief Researcher

доктор техн. наук, профессор, главный научныйсотрудник

photonics@technosphera.ruPuishaAlexander E.ПуйшаАлександр Эдуардович
Russian Federation

Candidate of Technical Sciences, Head of the Scientific and Technical Department

канд. техн. наук, начальник научно-техническогоотдела

photonics@technosphera.ruITMO UniversityУниверситет ИТМОNPP VOLO LLCООО «НПП ВОЛО»251120241864364492611202426112024Copyright ©; 2024, Zhurba D.V., Zhurba V.M., Veiko V.P., Puisha A.E.Copyright ©; 2024, Журба Д.В., Журба В.М., Вейко В.П., Пуйша А.Э.2024Zhurba D.V., Zhurba V.M., Veiko V.P., Puisha A.E.Журба Д.В., Журба В.М., Вейко В.П., Пуйша А.Э.https://journals.eco-vector.com/1993-7296/article/view/642241

The article investigates the process of laser cleaning of mill metal in exposure modes that do not lead to heating of the scale above its melting point. The possibility of destruction of mill scale due to thermochemical reactions in the scale and subsequent thermomechanical destruction has been identified and substantiated. The search and optimization of laser exposure modes has been carried out to increase the cleaning efficiency. For a more complete description of the laser cleaning process, attention is paid to the structure of mill scale; the features of its formation and probable phase transformations under the action of laser heating are described. An area of laser treatment modes in the range of exposure durations from 30 to 400 µs and power densities of from 50 to 750 kW/cm2 leading to thermomechanical scale destruction has been experimentally discovered. The process of laser descaling due to thermomechanical destruction is implemented using a continuous-wave fiber ytterbium laser with a maximum power of 2 kW.

В статье представлены результаты исследования процесса лазерной очистки металлопроката в режимах воздействия, не приводящих к нагреву окалины выше температуры ее плавления. Выявлена и обоснована возможность разрушения прокатной окалины за счет термохимических реакций в окалине и последующего термомеханического разрушения. Проведен поиск и оптимизация режимов лазерного воздействия для увеличения эффективности очистки. Для более полного описания процесса лазерной очистки уделено внимание структуре прокатной окалины и описаны особенности ее формирования и вероятные фазовые превращения под действием лазерного нагрева. Экспериментально обнаружена приводящая к термомеханическому разрушению окалины область режимов лазерной обработки в диапазоне длительностей воздействия 30–400 мкс и плотностей мощности 50–750 кВт / см2. Процесс лазерной очистки от окалины за счет термомеханического разрушения реализован с использованием непрерывного волоконного иттербиевого лазера с максимальной мощностью 2 кВт.

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