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Wyszukujesz frazę "grain fineness number" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Evaluation of Critical Parameters for Sand Inclusion Defect in FNB Casting
Autorzy:
Acharya, S. G.
Vadher, J. A.
Kothari, K. D.
Powiązania:
https://bibliotekanauki.pl/articles/381036.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
casting
evaluation of parameters
furan
grain fineness number
loss of ignition
pH
odlewnictwo
ocena parametrów
ziarno
Opis:
Casting covers major area of production all over the world. Resin bonded casting is widely used in today’s manufacturing industries. Furan No bake casting is most widely accepted in Indian foundries due to its excellent surface finish and dimensional stability. It is a self-setting binder and it has a lower work and strip times. Though the casting process is also known as process of uncertainty, in the present study, an attempt has been made to investigate the effect of Grain Fineness Number, Loss of Ignition, Potential of Hydrogen, % of Resin with respect to sand, Sand Temperature and Compressive strength of the mould on Sand Inclusion defect – one of the most dominating defect in the Krislur Castomech Pvt. Ltd. Industry situated at Bhavnagar, Gujarat, India. The experiments were conducted based on response surface methodology (RSM) and sequential approach using face centered central composite design. The results show that quadratic model with removal of some insignificant term is comparatively best fits for Sand Inclusion Defect.
Źródło:
Archives of Foundry Engineering; 2017, 17, 1; 5-12
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of Foundry Properties of Brahmaputra River Sand and its Prospects
Autorzy:
Rana, Md. Shohel
Shahriar, Md. Shams
Alam, Md. Sha
Hossain, Md. Imam Sohel
Biswas, Pradip Kumar
Zaman, Mohammad Nazin
Powiązania:
https://bibliotekanauki.pl/articles/27314157.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
foundry properties
grain fineness number
green strength
metal casting
river sand
właściwości odlewnicze
rozdrobnienie ziarna
odlew metalowy
piasek rzeczny
Opis:
The river system of the Bengal delta encompasses a huge amount of fluvial sand; however, no comprehensive studies were available on using this river sand in foundry industries. Hence, the present research evaluates the foundry properties of trans-boundary Brahmaputra River sand and its prospects for use in foundries. Several laboratory analyses have been performed to elicit the foundry properties using standard methods of foundry analysis, including XRD, XRF, TG-DSC, and FESEM. From the study, the sand contains mainly quartz with small amounts of feldspar, amphibole, chlorite, and mica, and exhibits a subangular to subrounded shape. The sand is dominated by SiO2 (67.81-69.97%) and lesser amounts of other oxides, and it is thermally stable within 1000 °C temperature. The grain fineness number (64-79), mineralogical, chemical, thermal, and foundry properties are suitable for non-ferrous metal casting without distortion. Further, the aluminum and zinc alloy casting with trials demonstrate their potential for use in the foundry industries. The outcomes of this study thus offer valuable information about utilizing Brahmaputra River sand for foundry applications.
Źródło:
Archives of Foundry Engineering; 2023, 23, 2; 80--90
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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