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    Wyświetlanie 1-8 z 8
    Tytuł:
    The visual method in quality assessment of single-lap adhesive joints
    Autorzy:
    Rudawska, A.
    Stančeková, D
    Brzęczek, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/101944.pdf
    Data publikacji:
    2016
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    adhesive joints
    visual method
    spew fillet
    adhesive joints strength
    Opis:
    This article presents selected criteria for the quality assessment of single-lap adhesive joints formed on 0.66±0.04 thick hot dip zinc coated sheets with the hot dip zinc coating thickness equal to 18 μm. Three types of epoxy adhesives and three variants of the mass of adhesives were tested (1 g, 2 g and 3 g). The work intended to assess the capacity of the visual method with regard to evaluating joint quality, allowing for the presence and the size of spew fillet, joint dimensions and the effect of spew fillet on adhesive joint strength. The strength of analysed adhesive joints was determined in destructive tests.
    Źródło:
    Advances in Science and Technology. Research Journal; 2016, 10, 31; 109-118
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rated stress state of functional surfaces by X-ray diffractometric methods
    Pomiar naprężenia własnego w warstwie wierzchniej metodami dyfraktometrii rentgenowskiej
    Autorzy:
    Kurňava, P
    Stančeková, D
    Nosák, T
    Jurky, M
    Powiązania:
    https://bibliotekanauki.pl/articles/175628.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    X-ray diffractometric method
    stresses
    bearings
    rolling bearings
    metoda dyfraktometrii rentgenowskiej
    naprężenia
    łożyska
    łożyska toczne
    Opis:
    This work deals with investigation of residual stresses during by non-destructive methods turning. Workpiece material, which was used in experiments was 19 830 steel, which is used for rolling bearing rings. Residual stress were observed in the application of various cutting parameters by non-destructive methods.
    W pracy prowadzono badania naprężeń własnych w warstwie wierzchniej w procesie toczenia przy zastosowaniu metod nieniszczących – metody dyfrakcji rentgenowskiej. W badaniach stosowano stal 19 830 do wytwarzania pierścieni łożysk tocznych. Pomiar wartości naprężenia prowadzono na powierzchni obrobionej przy stosowaniu różnych wartości parametrów skrawania.
    Źródło:
    Advances in Manufacturing Science and Technology; 2013, 37, 2; 33-49
    0137-4478
    Pojawia się w:
    Advances in Manufacturing Science and Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Applicability of selected groups of roughness parameters for description of surface layer of flat-top “plateau” structures
    Autorzy:
    Kowalski, M.
    Wiśniewska, M.
    Karolczak, P.
    Stancekova, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/957943.pdf
    Data publikacji:
    2016
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    roughness parameters
    flat-top “plateau” surface
    honing
    Opis:
    The aim of this study is to determine the usefulness of selected 2D roughness parameters for detecting changes of geometric features and the rate the quality of the surface generated in the process of honing combustion engines sleeves. The paper presents the importance of mathematical modeling of virtual surface topography with different participation of determined and random factor. The possibilities of modeling the flat-top “plateau” surface roughness characteristic for honed surface was showed. Suitability of application of the roughness parameter for description of the selected variable characteristics of roughness profiles were determined using the correlation coefficient and the additional evaluation index designated as t. Indicator t was used for comparing the percentage change of the tested value of modeled profile characteristics with changes selected for evaluation of the roughness parameters 2D.
    Źródło:
    Advances in Science and Technology. Research Journal; 2016, 10, 32; 32-39
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative analysis of welded and adhesive joints strength made of acid-resistant stainless steel sheets
    Autorzy:
    Rudawska, A.
    Pawlak, P.
    Miturska, I.
    Stančeková, D.
    Chyra, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/102070.pdf
    Data publikacji:
    2017
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    adhesive joints
    welded joints
    strength
    acid resistant steel
    Opis:
    The article presents the selected results of strength tests on the effectiveness of bonding high-alloy steel 1.4310. Sheet steel is one of the materials that are difficult to activate energy. Effective joining of it is difficult, requires selection of the appropriate bonding technology. The paper focuses on the comparative tests of shear strength of one-single lap welded and bonded joints. The welding process was performed on 3 groups of samples TIG welding and argon, where the variable value of the welding process was current: 60A, 70A, 80A. The adhesion process was performed in 6 groups of samples which differed in the method of surface preparation and the type of the adhesive. Adhesive joints were made by using adhesive of epoxy resin and a hardener: Epidian 61/TFF at a mass ratio of 100:22 and Epidian 61/IDA at a mass ratio of 100:40. As a way of surface preparation applied 3 different, but simplified and environmentally friendly methods of surface preparation: degreasing with using cleaner Loctite 7061, abrasive machining with P320 and degreasing and grinding with abrasive T800 and degreasing were used. Make joints and curing the adhesive joints were carried out at ambient temperature. Analyzed the joints were tested destructive – which set out the shear strength, in accordance with DIN EN 1465 on the testing machine Zwick / Roell Z150. Based on the results of the research it was found that better results were obtained for the maximum welded joints, but this result was similar to the maximum value of the strength of the adhesive bond.
    Źródło:
    Advances in Science and Technology. Research Journal; 2017, 11, 4; 97-102
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Technical and organizational improvements of packaging production process
    Autorzy:
    Rudawska, A.
    Čuboňova, N.
    Pomarańska, K.
    Stančeková, D
    Gola, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/103171.pdf
    Data publikacji:
    2016
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    packaging
    production process
    improvements
    efficiency
    layout
    automation
    Opis:
    Due to customer driven economies, today’s world markets are characterized by high fluctuations in market demand and frequent arrival of new technologies and new products. To stay competitive in such markets manufacturing companies require continuous improvements both in technical and organizational areas of their activity. The paper presents results of the diagnosis provided in the manufacturing area of the company producing cardboard packages and recommendations to make the production process more efficient. Especially, among the proposed technical and organizational recommendations the most important ones are: automation of certain elements of the production process and changes in production plant layout.
    Źródło:
    Advances in Science and Technology. Research Journal; 2016, 10, 30; 182-192
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of selected cutting conditions on cutting forces
    Autorzy:
    Görög, Á.
    Stančeková, D.
    Kapustová, M.
    Görögová, I.
    Miturska, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/103369.pdf
    Data publikacji:
    2017
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    machining
    cutting forces
    cutting speed
    dynamometer
    Opis:
    The article presents achieved results of research focused on the influence of various factors modification on cutting forces at longitudinal turning of steel C 45 using two tools with different shape and geometry at constant values of feed and depth of cut. The individual components of cutting force were compared reciprocally, i. e. axial, radial, tangential and finally resulting cutting force depending on cutting speed.
    Źródło:
    Advances in Science and Technology. Research Journal; 2017, 11, 1; 179-185
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Surface integrity evaluation of turning with auto-rotating tool
    Autorzy:
    Struharnansky, J.
    Kordik, M.
    Martikan, A.
    Stancekova, D.
    Pilc, J.
    Vasilko, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/102643.pdf
    Data publikacji:
    2016
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    residual stress
    turning
    roughness
    autorotation-tool
    surface
    Opis:
    The technical practice requirements comes to have increased demands on higher productivity, speed and quality of the machining process of various materials. Hard to machine materials, whose machining led to the development of turning with rotating cutting edge are not an exception. The machining process of auto-rotating tool is more complicated than the conventional process of turning, especially for the process of reshaping cutting layers into chips. There is a significant load in the system, that may affect the life of the cutting edge of the tool as well as the whole system and also in the final extent of the qualitative parameters of the workpiece (product / product). The article specifies the knowledge and findings of measurement in machining material 100Cr6 with an auto-rotating tool. The measurements were conducted to evaluate the integrity of the surface (roughness) of the workpiece to the impacts of cutting conditions, in particular the feed and the cutting edge inclination. It also analyzes the presence (size, character, action) of residual stresses concentrated in the surface layers of the workpiece by changing the cutting conditions.
    Źródło:
    Advances in Science and Technology. Research Journal; 2016, 10, 31; 139-143
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The impact of selected technological and material parameters on the strength of adhesive steel sheets joints
    Autorzy:
    Rudawska, A.
    Głogowska, K.
    Vitenko, T.
    Stančeková, D.
    Čuboňová, N.
    Kasperek, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/103104.pdf
    Data publikacji:
    2017
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    adhesive joints
    steel sheets
    corrosion
    ageing
    strength
    surface treatment
    Opis:
    The following paper analyses selected problems regarding the impact of technological parameters and the type of adherend material on the strength of adhesive-bonded steel sheet joints. The subject of the test was a single-lap adhesive joint of S235JR steel sheet. Joints were formed on two types of substrates: with or without corrosion products on the surface. The surface of steel sheet adherends was pre-treated with three cleaning solutions: acetone, Wiko industrial degreasing agent and Cortanin F anti-corrosion agent, depending on the state of the surface. Adhesive joints were formed with Epidian 53/ET/100:15 epoxy adhesive. The formed joints were subjected to one of three ageing variants: 14 days, two months and 3 months, which were followed by destructive testing to determine the shear strength of joints. The analysis of results obtained in the tests indicates that the strength performance of adhesive joints of corrosion-free adherends was characterised by higher values than in corroded steel sheets, regardless of ageing time.
    Źródło:
    Advances in Science and Technology. Research Journal; 2017, 11, 2; 8-16
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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