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Wyszukujesz frazę "silicon steel" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Abrasion Resistance of S235, S355, C45, AISI 304 and Hardox 500 Steels with Usage of Garnet, Corundum and Carborundum Abrasives
Autorzy:
Szala, Mirosław
Szafran, Michał
Macek, Wojciech
Marchenko, Stanislav
Hejwowski, Tadeusz
Powiązania:
https://bibliotekanauki.pl/articles/103045.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
abrasion
wear resistance
dry sand-rubber wheel test
garnet
aluminum oxide
silicon carbide
steel
hardness
microstructure
odporność na ścieranie
test koła suchy piasek-guma
granat
tlenek glinu
węglik krzemu
stal
twardość
mikrostruktura
Opis:
The steel presents a wide field of application. The abrasive wear resistance of steel relies mainly on the microstructure, hardness as well as on the abrasive material properties. Moreover, the selection of a abrasion-resistant grade of steel still seems to be a crucial and unsolved problem, especially due to the fact that the actual operating conditions can be affected by the presence of different abrasive materials. The aim of this work was to determine the effect of different abrasive grit materials i.e. garnet, corundum and carborundum on the abrasive wear result of a commonly used in industry practice steels i.e. S235, S355, C45, AISI 304 and Hardox 500. The microstructure of the steel was investigated using light optical microscopy. Moreover, hardness was measured with Vickers hardness tester. Additionally, the size and morphology of the abrasive materials were characterized. The abrasion tests were conducted with the usage of T-07 tribotester (dry sand rubber wheel). The results demonstrate that the hardness and structure of steels and hardness of abrasive grids influenced the wear results. The abrasive wear behavior of steels was dominated by microscratching and microcutting wear mechanisms. The highest mass loss was obtained for garnet, corundum, and carborundum, respectively. The usage of various abrasives results in different abrasion resistance for each tested steel grade. The AISI 304 austenitic stainless steel presents an outstanding abrasive wear resistance while usage of corundum and Hardox 500 while using a garnet as abrasive material. The C45 carbon steel was less resistant than AISI 304 for all three examined abrasives. The lowest resistance to wear in garnet and carborundum was obtained for the S235JR and S355J2 ferritic-perlitic carbon steels and in corundum for Hardox 500 which has tempered martensitic structure.
Źródło:
Advances in Science and Technology. Research Journal; 2019, 13, 4; 151-161
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Role of materials design in maintenance engineering in the context of industry 4.0 idea
Autorzy:
Dobrzański, L. A.
Powiązania:
https://bibliotekanauki.pl/articles/368329.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
Tematy:
maintenance
4.0 stage of economy
industry development
materials development
designing material conservation and manufacturing 3MD
selective laser sintering
implant-scaffold
laser texturization
multicrystalline silicon cells
cracking counteraction
austenitic steel
TWIP steels
TRIP steel
wear-resistant
CVD coatings
PVD coatings
cutting tool materials
Al alloy matrix nanocomposites
carbon nanotubes
graphene
dye synthesised solar cells
ALD coatings
dentistry
photovoltaics
konserwacja
przemysł 4.0
rozwój przemysłu
rozwój materiałów
selektywne spiekanie laserowe
rusztowanie implantowe
teksturyzacja
ogniwa krzemowe
pękanie stali
stal austenityczna
stal TWIP
stal TRIP
odporność na ścieranie
powłoki CVD
powłoki PVD
narzędzia skrawające
nanokompozyty
osnowa aluminiowa
nanorurki węglowe
grafen
ogniwo słoneczne
powłoki ALD
stomatologia
fotowoltaika
Opis:
Purpose: The paper presents the issues of designing the maintenance of materials and products in accordance with the idea of Industry 4.0. The author's views on the need for augmentation of the Industry 4.0 model were also presented, as well as the author's original concept that hybrid activities in predictive maintenance and condition-based maintenance should be preceded by designing material, maintenance & manufacturing 3MD at the stage of the product's material designing and technological designing. The 3MD approach significantly reduces the frequency of assumed actions, procedures and resources necessary to remain the condition of this product for the longest possible time, enabling it to perform the designed working functions. Examples of own advanced research on several selected, newly developed materials, used in very different areas of application, confirmed the validity of the scientific hypothesis and the relationship between the studied phenomena and structural effects and the working functions of products and their maintenance and indicated that material design is one of the most important elements guaranteeing progress production at the stage of Industry 4.0 of the industrial revolution. Design/methodology/approach: The author's considerations are based on an extensive literature study and the results of the author's previous study and empirical work. Each of the examples given required the use of a full set of research methods available to modern material engineering, including HRTEM high-resolution transmission electron microscopy. Findings: The most interesting intellectual achievements contained in the paper include presentations of the author's original concepts regarding the augmentation of the Industry 4.0 model, which has been distributed so far, which not only requires augmentation but is actually only one of the 4 elements of the technology platform of the extended holistic model of current industrial development, concerning cyber-IT production aided system. The author also presents his own concept for designing material, maintenance and manufacturing 3MD already at the stage of material and technological design of the product, eliminating many problems related to product maintenance, even before they are manufactured and put into exploitation. Detailed results of detailed structural researches of several selected avant-garde engineering materials and discussion of structural changes that accompanying their manufacturing and/or processing are also included. Originality/value: The originality of the paper is associated with the novelty of the approach to analysing maintenance problems of materials and products, taking into account the requirements of the contemporary stage of Industry 4.0 development. The value of the paper is mainly associated with the presentation of original issues referred to as findings, including the concept of augmentation of the Industry 4.0 model and the introduction and experimental confirmation of the idea by designing material, maintenance and manufacturing 3MD.
Źródło:
Journal of Achievements in Materials and Manufacturing Engineering; 2019, 96, 1; 12-49
1734-8412
Pojawia się w:
Journal of Achievements in Materials and Manufacturing Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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