Surface modification of selective laser melted Ti-6Al-4V by ultrasonic impact treatment and electron beam irradiation / E. A. Sinyakova, S. V. Panin, A. D. Teresov
Уровень набора: (RuTPU)RU\TPU\network\4816, AIP Conference ProceedingsЯзык: английский.Резюме или реферат: Changes of the surface roughness, microstructure, phase composition and microhardness of selective laser melted Ti-6Al-4V samples during electron beam irradiation and ultrasonic impact treatment were investigated by contact profilometry, optical microscopy, X-ray analysis, and hardness measurement. It was shown that electron beam irradiation and ultrasonic impact treatment of the selective laser melted Ti-6Al-4V samples smooth their surface. Significant refinement of the microstructure and TiO nanoparticles formation under ultrasonic impact treatment occur causing the increase in surface microhardness. Electron beam irradiation leads to a more significant increase in both the microhardness and thickness of the melted surface layer due to martensitic transformation..Примечания о наличии в документе библиографии/указателя: [References: 8 tit.].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | модификации | поверхности | расплавы | ультразвуковая обработка | облучение | электронные пучки | шероховатости | фазовый состав | микротвердость | наночастицы | мартенситные превращения Ресурсы он-лайн:Щелкните здесь для доступа в онлайнTitle screen
[References: 8 tit.]
Changes of the surface roughness, microstructure, phase composition and microhardness of selective laser melted Ti-6Al-4V samples during electron beam irradiation and ultrasonic impact treatment were investigated by contact profilometry, optical microscopy, X-ray analysis, and hardness measurement. It was shown that electron beam irradiation and ultrasonic impact treatment of the selective laser melted Ti-6Al-4V samples smooth their surface. Significant refinement of the microstructure and TiO nanoparticles formation under ultrasonic impact treatment occur causing the increase in surface microhardness. Electron beam irradiation leads to a more significant increase in both the microhardness and thickness of the melted surface layer due to martensitic transformation.
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