Informacja

Drogi użytkowniku, aplikacja do prawidłowego działania wymaga obsługi JavaScript. Proszę włącz obsługę JavaScript w Twojej przeglądarce.

English (EN)·Polski (PL)·Yкраїнський (UK)
Przejdź do strony domowej biblioteki Centralna Biblioteka Wojskowa Link otwiera się w nowym oknie Logo biblioteki Prolib Integro - strona głównaCentralna Biblioteka Wojskowa

Wyszukujesz frazę "NDE" wg kryterium: Temat

  Lista filtrów
Wyrównaj
    Wyświetlanie 1-4 z 4
    Tytuł:
    Comparison of Pulse Thermography (PT) and Step Heating (SH) Thermography in Non-Destructive Testing of Unidirectional GFRP Composites
    Autorzy:
    Kamińska, Paulina
    Ziemkiewicz, Jarosław
    Synaszko, Piotr
    Dragan, Krzysztof
    Powiązania:
    https://bibliotekanauki.pl/articles/97879.pdf
    Data publikacji:
    2019
    Wydawca:
    Sieć Badawcza Łukasiewicz - Instytut Lotnictwa
    Tematy:
    pulsed thermography
    step-heating thermography
    composites
    NDT
    NDE
    GFRP
    Opis:
    This paper presents two techniques of active thermography i.e. the pulsed thermography technique and the step heating technique. The aim of this article is to compare these two techniques and present the possibilities, advantages and limitations of their use in the context of non-destructive testing of composite materials. The experimental section presents the results of tests carried out on samples of the polymer composites reinforced with glass fiber.
    Źródło:
    Fatigue of Aircraft Structures; 2019, 11; 87-102
    2081-7738
    2300-7591
    Pojawia się w:
    Fatigue of Aircraft Structures
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    IR thermography in NDE of carbon-glass laminate
    Autorzy:
    Pawluczy-Majka, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/242394.pdf
    Data publikacji:
    2014
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    IR Thermography
    NDE
    Nordam Repair Division
    non-destructive testing
    composite aircraft structures
    fracture
    delamination
    Opis:
    The article presents a comparison of the effects of using active IR Thermography technique for the tests of composite aircraft structures. The most important question arising together with an increased use of composites in aviation industry is to work out a method, which would allow identification of the technological defects, and damages appeared in the process of the aircraft use. Non-destructive testing which has been used so far to identify defects in the aircraft structure made from metallic materials has a quite limited application in case of composite structures. With the growing use of composites in the aviation industry, a necessity appears to work out a method allowing early identification of technological defects and damages appeared in the process of the aircraft operation. It could be the active thermography techniques used for the thin walled elements tests, such as wing and fuselage skin, with the focus on fractures and delamination. Light composite aircraft have been built for a many of years, however, the annual flight hours of these aircraft are incomparably lower than those of the aircraft used in air transport. In group of light aircraft, the less important elements were made of composites regarding the strength of the whole construction. When the newest aircraft were introduced, with most important construction elements such as the fuselage, wings, horizontal and vertical tails, doors and the interior made of composite materials, it was expected that the increased amount of the annual flight hours (more than 3000 hours) and the expected airliner lifetime (about 30 000 hours) would soon cause degradation of the mechanical properties of the composites following from the progress of ageing of the composite structures. The obtained research results bring closer the problem of selection of the well-fitted non-destructive testing method depending on the kind of the diagnosed construction
    Źródło:
    Journal of KONES; 2014, 21, 4; 405-410
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On the exponential stability of a neutral differential equation of first order
    Autorzy:
    Gözen, M.
    Tunç, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/357744.pdf
    Data publikacji:
    2018
    Wydawca:
    Politechnika Rzeszowska im. Ignacego Łukasiewicza. Oficyna Wydawnicza
    Tematy:
    GES
    global exponential stability
    NDE
    neutral differential equation
    time-varying delays
    globalna stabilność wykładnicza
    równanie różniczkowe neutralne
    opóźnienia zmienne w czasie
    Opis:
    In this work, we establish some assumptions that guaranteeing the global exponential stability (GES) of the zero solution of a neutral differential equation (NDE). We aim to extend and improves some results found in the literature.
    Źródło:
    Journal of Mathematics and Applications; 2018, 41; 95-107
    1733-6775
    2300-9926
    Pojawia się w:
    Journal of Mathematics and Applications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mechanics of stripped CLT panels with numerical validity testing
    Autorzy:
    Hasana, Md. Zahid
    Saha, Sabhasachi
    Souvik, Roy
    Rahmand, Md. Sazid
    Powiązania:
    https://bibliotekanauki.pl/articles/1177937.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    CLT
    Cross-laminated solid timber
    EN 789
    NDE
    bending strength / stiffness
    failure mode
    modal analysis
    production control
    rolling shear
    variation of mechanical properties
    Opis:
    Cross-laminated timber (CLT) is a board molded designed wood item, amassed of cross-wise situated layers of lamellas. Subsequently, anticipating the particular conduct of such boards requires exact data about their twisting and shear quality and additionally their flexible properties. Directions with respect to the inference of execution qualities, assessment of similarity and stamping of wood-based boards for use in development are given in EN 13986. As per this standard bowing quality and stiffness of CLT must be evaluated following the system in EN 789. The last requires 4-point twisting trial of strip-formed examples with a width of 300 mm, remove the CLT boards. The traverse must be taken as 300 mm + 32 t, t being the ostensible thickness of the CLT board. By looking at aftereffects of bowing tests on strip-formed examples and on full boards it is appeared, that neither quality nor stiffness properties determined by testing strip-molded boards are suitable to survey the separate properties of the first boards. Moreover a check via doing static twisting tests (diversion estimations) under various stacking circumstances appeared, that the general stiffness properties (versatile parameters of the stiffness network) can, on the other hand to EN 789 tests or estimations with the compound hypothesis, be determined straightforwardly by a modular investigation of full-measure CLT boards.
    Źródło:
    World Scientific News; 2018, 97; 185-206
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

      Ta witryna wykorzystuje pliki cookies do przechowywania informacji na Twoim komputerze. Pliki cookies stosujemy w celu świadczenia usług na najwyższym poziomie, w tym w sposób dostosowany do indywidualnych potrzeb. Korzystanie z witryny bez zmiany ustawień dotyczących cookies oznacza, że będą one zamieszczane w Twoim komputerze. W każdym momencie możesz dokonać zmiany ustawień dotyczących cookies