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Wyszukujesz frazę "forestry tools" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Selection of Casting Materials for Working Parts of Machines for the Forestry Sector
Autorzy:
Pirowski, Zenon
Bitka, Adam
Grudzień-Rakoczy, Małgorzata
Małysza, Marcin
Pysz, Stanisław
Wieliczko, Piotr
Wilk-Kołodziejczyk, Dorota
Powiązania:
https://bibliotekanauki.pl/articles/2106604.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
mulching
forestry tools
tribological wear
abrasion-resistant cast steel
hardfacing surface
Opis:
The article was created as a result of the work TECHMATSTRATEG 1 program “Modern Material Technologies” as part of the project with the acronym INNOBIOLAS entitled “Development of innovative working elements of machines in the forestry sector and biomass processing based on high-energy surface modification technologies of the surface layer of cast elements”; agreement No. TECHMATSTRATEG1/348072/2/NCBR/2017. The article discusses the procedure for selecting casting materials that can meet the high operational requirements of working tools of mulching machines: transfer of high static and dynamic loads, resistance to tribological wear, corrosion resistance in various environments. The mulching process was briefly described, then the alloys were selected for experimental tests, model alloys were made and perform material tests were carried out in terms of functional and technological properties. The obtained results allowed to select the alloy where the test castings were made.
Źródło:
Archives of Metallurgy and Materials; 2022, 67, 2; 743--752
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of Hard Facing Material Designed for Application on the Forestry Tools
Autorzy:
Ťavodová, Miroslava
Hnilicová, Michaela
Miturska, Izabela
Powiązania:
https://bibliotekanauki.pl/articles/102164.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
hard facing
forestry tools
abrasive wear
microscopy analyses
hardness
utwardzanie
narzędzia leśne
zużycie ścierne
analiza mikroskopowa
twardość
Opis:
The article deals with the assessment specific hard facing material with W2C high content – filled welding rod for manual flame hard facing RD 571. Is was applied in two layers on the samples (16MnCr5 steel) of the tool for crushing undesirable advance growths, frequently used in forestry technologies. The tools work in a heterogeneous environment. They are loaded by abrasive impression of wood mass, which are characterized by various hardness. The material loss on the functional parts is significant. The wear degradation of the tool and its subsequent early decommissioning represents economic losses for forest companies. The investigations conducted under laboratory conditions involved hardness measuring HV10 and HRC, wear resistance testing of materials by friction against loosely fixed abrasive parts, with assessment profile and depth of the mark as well as assessment of quality mixing of the layers, microstructure assessment by SEM with EDX analyses. By evaluating the laboratory tests, the conclusions were drawn to determine the suitability or the non-suitability of the selected hardfacing material in service. Whether the material increases the service life of the undesirable crusher tool, will by verified by performing field trials.
Źródło:
Advances in Science and Technology. Research Journal; 2019, 13, 4; 111-119
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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