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Wyszukujesz frazę "GEOPOL®" wg kryterium: Wszystkie pola


Wyświetlanie 1-3 z 3
Tytuł:
GEOPOL®. The Innovated Environment Friendly Inorganic Binder System
Autorzy:
Vykoukal, M.
Burian, A.
Prerovska, M.
Powiązania:
https://bibliotekanauki.pl/articles/381696.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
geopolymer binder
GEOPOL®
inorganic binder
environment
mould and core
spoiwo geopolimerowe
spoiwo nieorganiczne
środowisko
Opis:
This paper deals with the complete technology of inorganic geopolymer binder system GEOPOL® which is a result of long term research and development. The objective of this paper is to provide a theoretical and practical overview of the GEOPOL® binder system and introduce possible ways of moulds and cores production in foundries. GEOPOL® is a unique inorganic binder system, which is needed and welcomed in terms of the environment, the work environment, and the sustainable resources. The GEOPOL® technology is currently used in the foundries for three basic production processes/technologies: (1) for self-hardening moulding mixtures, (2) sand mixtures hardened by gaseous carbon dioxide and (3) the hot box technology with hot air hardening. The GEOPOL® technology not only solves the binder system and the ways of hardening, but also deals with the entire foundry production process. Low emissions produced during mixing of sand, moulding, handling, and pouring bring a relatively significant improvement of work conditions in foundries (no VOCs). A high percentage of the reclaim sand can be used again for the preparation of the moulding mixture.
Źródło:
Archives of Foundry Engineering; 2019, 1; 109-116
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of Binding Rates on Strength Properties of Moulding Sands with the GEOPOL Binder
Autorzy:
Holtzer, M.
Drożyński, D.
Bobrowski, A.
Plaza, W.
Powiązania:
https://bibliotekanauki.pl/articles/381664.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
mechanical properties
technological properties
moulding sands
geopolymer
inorganic binder
właściwości mechaniczne
właściwości technologiczne
masy formierskie
spoiwo nieorganiczne
Opis:
The results of investigations of moulding sands with an inorganic binder called GEOPOL, developed by the SAND TEAM Company are presented in the paper. Hardeners of various hardening rates are used for moulding sands with this binder. The main aim of investigations was determination of the influence of the hardening rate of moulding sands with the GEOPOL binder on technological properties of these sands (bending strength, tensile strength, permeability and grindability). In addition, the final strength of moulding sands of the selected compositions was determined by two methods: by splitting strength and shear strength measurements. No essential influence of the hardening rate on such parameters as: permeability, grindability and final strength was found. However, the sand in which the slowest hardener (SA 72) were used, after 1 hour of holding, had the tensile and bending strength practically zero. Thus, the time needed for taking to pieces the mould made of such moulding sand will be 1.5 - 2 hours.
Źródło:
Archives of Foundry Engineering; 2014, 14, 1; 37-40
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of the Reclaim Addition on Properties of Moulding Sands with the Geopol Binder
Autorzy:
Drożyński, D.
Bobrowski, A.
Holtzer, M.
Powiązania:
https://bibliotekanauki.pl/articles/382996.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
inorganic binder
moulding sand
geopolymer binder
mechanical properties
technological properties
spoiwo nieorganiczne
masa formierska
spoiwo geopolimerowe
właściwości mechaniczne
właściwości technologiczne
Opis:
The investigation results of the influence of the reclaim additions on the properties of moulding sands with the GEOPOL geopolymer binder developed by the SAND TEAM Company were presented. Two brands of hardeners were applied in the tested compositions, the first one was developed by the SAND TEAM Company, marked SA72 and the new hardener offered by the KRATOS Company, marked KR72. The main purpose of investigations was to determine the influence of reclaim fractions and the applied hardener on the basic moulding sands properties, such as: bending and tensile strength, permeability and grindability. The unfavourable influence of the reclaim additions into moulding sands on the tested properties as well as an increased hardening rate, were found. Moulding sands, in which the hardener KR72 of the KRATOS Company was used, were less sensitive to the reclaim additions.
Źródło:
Archives of Foundry Engineering; 2015, 15, 1; 138-142
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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