Персона: Решетов, Владимир Николаевич
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Институт лазерных и плазменных технологий
Стратегическая цель Института ЛаПлаз – стать ведущей научной школой и ядром развития инноваций по лазерным, плазменным, радиационным и ускорительным технологиям, с уникальными образовательными программами, востребованными на российском и мировом рынке образовательных услуг.
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Владимир Николаевич
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- ПубликацияТолько метаданные3D push–pull heterodyne interferometer for SPM metrology(2019) Kazieva, T. V.; Gubskiy, K. L.; Kuznetsov, A. P.; Reshetov, V. N.; Казиева, Татьяна Вадимовна; Губский, Константин Леонидович; Кузнецов, Андрей Петрович; Решетов, Владимир Николаевич© 2019 Optical Society of America.A three-coordinate heterodyne laser interferometer has been developed to measure the displacement of the probe microscope scanner with a subnanometer resolution that provides traceability of measurements to the standard of meter through the wavelength of a stabilized He–Ne laser. Main sources of errors are investigated, and their influence is minimized so that the resulting measurement uncertainty of the system does not exceed 0.2 nm, and the resolution is 0.01 nm. The investigation of metrological characteristics of the three-coordinate interferometer was carried out with a scanning probe microscopy (SPM) NanoScan-3D using TGZ-type calibration gratings. The values measured with SPM fell within the 95% confidence interval given by Physikalisch-Technische Bundesanstalt (PTB) (Germany). SPM equipped with a laser interferometer was used to measure the characteristics of dynamic etalons of geometric dimensions.
- ПубликацияТолько метаданныеRaman spectroscopy through the indenter working as an optical objective(2019) Maslenikov, I. I.; Useinov, A. S.; Reshetov, V. N.; Решетов, Владимир Николаевич© 2019 The Japan Institute of Metals and MaterialsThe transparent indenter which can used as an optical objective were tested to obtained a spectra during the indentation. A special device which comprises the transparent indenter and actuator was developed and embedded into the Raman spectrometer. An indentation into the silicon sample was performed and phases that exist under the load and without it were identified.
- ПубликацияТолько метаданныеPortable Hardness Tester for Instrumental Indentation(2020) Gladkikh, E. V.; Maslenikov, I. I.; Useinov, A. S.; Reshetov, V. N.; Решетов, Владимир Николаевич© 2020, Pleiades Publishing, Ltd.Abstract: An instrument capable of assessing the hardness of materials by instrumental indentation under industrial-production conditions, including pipelines and parts of working mechanisms (bridges, railroad tracks, ship mechanisms, and other products), which operate outdoors, is described. The key components of the device are: a load-applying element (electromagnetic actuator), a displacement sensor (a capacitive sensor mounted on the working rod) and an indenter (a Berkovich diamond tip with a diameter of 500 μm and a radius of 100 nm). The largest force that can be applied to the sample is 10 N, and the maximum movement of the indenter reaches 150 μm. For the convenience of measuring both bulk and thin samples, a portable hardness tester is equipped with two different nozzles. The main peculiar feature of the device is measurement of the hardness and the Young’s modulus of the material within a single working cycle. The device is tested on various materials: steels of grades 40Cr13 and 08Cr18N10T (including samples that underwent aging), aluminum, fused silica, polycarbonate, and laminated chipboard. The roughness of the tested surfaces and the range of loads required to carry out instrumental indentation with a portable device are determined as well. The values of the hardness and elastic modulus are consistent with data obtained by means of laboratory hardness testers.