Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Valentin Antonovič"'
Publikováno v:
Ceramics, Vol 6, Iss 4, Pp 2320-2332 (2023)
This study examines the impact of the impregnation of fireclay-based conventional (CC) and medium-cement castables (MCCs) with liquid sodium silicate glass under vacuum conditions. The goal is to assess how this treatment affects the physical and mec
Externí odkaz:
https://doaj.org/article/d3d2570b648b4a54904fdbbdf6b34e49
Publikováno v:
Fibers, Vol 12, Iss 4, p 37 (2024)
Asbestos is a widely used name for natural silicate minerals with fibrous properties. Asbestos minerals were one of the most popular and cheapest raw materials used in the construction industry in the past when they was used in the form of cement–a
Externí odkaz:
https://doaj.org/article/d9a5b61787604914a1815dbad02bf69d
Autor:
Valentin Antonovič, Rimvydas Stonys, Povilas Zdanevičius, Romualdas Mačiulaitis, Renata Boris, Jurgita Malaiškienė
Publikováno v:
Ceramics, Vol 5, Iss 4, Pp 1051-1065 (2022)
This article analyzes the mechanism of the protective layer formation under the action of alkali in a refractory castable when ground quartz sand (GQS) is used as an admixture to produce refractory conventional castables (CC) and medium cement castab
Externí odkaz:
https://doaj.org/article/d3a8fb726a044f66b91cb59b9758e764
The effect of carbon and polypropylene fibers on thermal shock resistance of the refractory castable
Publikováno v:
Journal of Civil Engineering and Management, Vol 23, Iss 5 (2017)
This work investigates medium cement refractory castable with additives of carbon and polypropylene fibers. The peculiarities of microstructure changes in the fiber and castable matrix contact zone, channel formation, and changes of cold crushing str
Externí odkaz:
https://doaj.org/article/ef6451d100064a14871bb077486614eb
Autor:
Ina PUNDIENĖ, Valentin ANTONOVIČ, Rimvydas STONYS, Marius ALEKNEVIČIUS, Irina DEMIDOVA-BUIZINIENĖ, Albinas GAILIUS
Publikováno v:
Medžiagotyra, Vol 18, Iss 4, Pp 390-395 (2012)
For production of fireclay refractory castables, various deflocculants are used. In recent years new polycarboxylate ethers-based deflocculants appeared and so far their properties comparing to those of common deflocculants are little investigated. T
Externí odkaz:
https://doaj.org/article/5d8e11e691a94e669fe6ae5a5cbaa2b7
Publikováno v:
Medžiagotyra, Vol 17, Iss 1, Pp 73-79 (2011)
This study deals with the impact of waste fluid cracking catalyst (FCC) and cupola dust (CD) on hardening process of various Portland cements (CEM I 42.5 R (PCR), CEM I 42.5 N (PCN), CEM II/A-S 42.5 N (PCSN)). The plain cement pastes and waste modifi
Externí odkaz:
https://doaj.org/article/087616c9e16c4e249ffaca83b8022519
Publikováno v:
Journal of Civil Engineering and Management, Vol 16, Iss 4 (2010)
This article reviews the manufacturing nanotechnologies of modern refractory concretes and some other cementitious materials. The main part of the article focuses on the results obtained by the authors who analyzed the application of nanotechnology f
Externí odkaz:
https://doaj.org/article/c66adb6b792745f885ab5183465deaca
Autor:
Valentin Antonovič, Stasys Goberis
Publikováno v:
Journal of Civil Engineering and Management, Vol 7, Iss 1 (2001)
The structure formation of a refractory binder of liquid glass, ferrochrome slag and dispersed chamotte has been studied. It has been found that there is a close relationship between the density of liquid glass used and sharp expansion of binder at t
Externí odkaz:
https://doaj.org/article/ec30588c257241dc8f70edb05d245172
Publikováno v:
Journal of Civil Engineering and Management, Vol 5, Iss 3 (1999)
In order to improve thermal and mechanical characteristics of a traditional binder with liquid glass a complex binder consisting of liquid glass, its hardener and alumina cement (“Gorkal 70” containing not less than 70 per cent of AI2O3) was test
Externí odkaz:
https://doaj.org/article/eff30b23ab274c258e03b50a2ae9b66f
