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7 Result(s)

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  1. No Access

    Article

    Application of Laser Scannung Thermography and Regression Analysis to Determine Characteristics of Defects in Polymer Composite Materials

    The method of laser point scanning thermography is highly sensitive and allows for reliable detection of surface and subsurface defects in products made of polymer composite materials. When implementing this m...

    A. G. Divin, S. V. Ponomarev, S. V. Mishchenko… in Russian Journal of Nondestructive Testing (2024)

  2. No Access

    Article

    Measurement of the Thermal Diffusivity of Optical Materials and Products by a New Thermographic Express Method That Does Not Require Cutting Samples Out of the Bulk

    Thermal diffusivity a and thermal conductivity λ are important parameters for many structural and functional material applications. These parameters determine the intensity of heat transfer, the quality of the...

    Yu. I. Golovin, A. A. Samodurov, D. Yu. Golovin, A. I. Tyurin… in Measurement Techniques (2023)

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    Article

    Bridge Method for Studying the Spectra of Current Fluctuations in Tungsten Filaments in the Frequency Range 1.5·10–5–5·10–1 Hz

    This article discusses the absence of methods for measuring low-frequency (LF) fluctuation processes at high temperatures and proposes an original bridge method for measuring the spectra of LF current fluctuat...

    Yu. A. Zakharov, S. S. Gots, R. Z. Bakhtizin in Measurement Techniques (2021)

  4. No Access

    Article

    Metrological Aspects of Measuring the Volume-Average Temperature of Filaments in Illuminating Lamps

    We study metrological problems encountered in measuring the volume-average temperature of heated tungsten filaments. The process of heating is realized by electric currents within the temperature range 300–300...

    Yu. A. Zakharov, S. S. Gots, R. Z. Bakhtizin in Measurement Techniques (2019)

  5. No Access

    Article

    Clay Modifier Activation for Ceramic Brick by Ultrasonic Extrusion

    The properties of ceramic are studied in the case where clay is modified by adding small amounts of glass fiber in the process of ultrasonic extrusion of laboratory samples. Ultrasound increases the strengthen...

    G. R. Faseeva, R. M. Nafikov, S. E. Lapuk, A. G. Kiyamov… in Glass and Ceramics (2018)

  6. No Access

    Article

    Prototy** of Ultrasonic Die for Extrusion of Ceramic Brick

    A scaled-down prototype of a die for extruding ceramic brick with ultrasonic oscillations from a magneto-striction transducer delivered onto the die wall was tested. Extruder productivity was increased. There ...

    R. R. Kabirov, L. N. Garipov, G. R. Faseeva, R. M. Nafikov… in Glass and Ceramics (2017)

  7. No Access

    Article

    The effect of magnetic field on the shape of etch pits of paracetamol crystals

    In the present study we investigate the effect of magnetic field on the shape of etch pits of the crystals of p-hydroxyacetanilide (paracetamol), which is widely used in pharmacy as antipyretic, antiphlogistic me...

    V. E. Ivashchenko, V. V. Boldyrev, Yu. A. Zakharov… in Material Research Innovations (2002)