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Wyszukujesz frazę "ABS pattern" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Applying RP-FDM technology to produce prototype castings using the investment casting method
Autorzy:
Macků, M.
Horáček, M.
Powiązania:
https://bibliotekanauki.pl/articles/380209.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
szybkie wykonywanie prototypów
wzorzec 3D
forma silikonowa
stabilność wymiarowa
rapid prototyping
3D pattern
ABS pattern
silicon mould
casting
dimensional stability
Opis:
The research focused on the production of prototype castings, which is mapped out starting from the drawing documentation up to the production of the casting itself. The FDM method was applied for the production of the 3D pattern. Its main objective was to find out what dimensional changes happened during individual production stages, starting from the 3D pattern printing through a silicon mould production, wax patterns casting, making shells, melting out wax from shells and drying, up to the production of the final casting itself. Five measurements of determined dimensions were made during the production, which were processed and evaluated mathematically. A determination of shrinkage and a proposal of measures to maintain the dimensional stability of the final casting so as to meet requirements specified by a customer were the results.
Źródło:
Archives of Foundry Engineering; 2012, 12, 3; 75-82
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental research on the volatilization and condensation of ammonium bisulfate as SCR byproduct
Autorzy:
Jiao, Kunling
Ma, Shuangchen
Chen, Xiangyang
Liu, Jiaming
Qiao, Lin
Powiązania:
https://bibliotekanauki.pl/articles/2174830.pdf
Data publikacji:
2022
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
Ammonium bisulfate
ABS
influencing factors
volatilization rate
condensation pattern
Opis:
In this paper, the research progress of ammonium bisulfate (ABS) volatilization in coal-fired power plants the SCR denitrification process was reviewed. Combination with self-made experiments, SEM, flue gas analyzer and TG-DTG curves of ABS and ion chromatography. The volatilization and condensation characteristics of ABS were investigated carefully. Results show that as the temperature increased by 50 °C, the ABS/AS volatilization rate increased by an order of magnitude. The decomposition process of ABS should have a two-step reaction. The reaction in the initial volatilization stage is ABS dehydration turned into (NH4)2S2O7. The reaction in the rapid volatilization stage is (NH4)2S2O7 decomposed into NH3, N2, SO2 and H2O. There is an inter-section in the reac-tion temperature range (especially 300 °C) between the two-step reaction. This research provides an experimental basis for temperature control of ABS to avoid air pre-heater fouling.
Źródło:
Polish Journal of Chemical Technology; 2022, 24, 4; 30--38
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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