Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Rimvydas Stonys"'
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
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
Autor:
Valentin Antonovič, Donatas Sikarskas, Renata Boris, Andrius Kudžma, Jurgita Malaiškienė, Rimvydas Stonys
Publikováno v:
Materials, Vol 17, Iss 2, p 354 (2024)
The influence of aluminosilicate pozzolanic waste, specifically spent fluid catalytic cracking waste (FCCW) and metakaolin waste (MK) from the expanded glass industry, on the properties of hardened Portland cement paste were analysed. The study invol
Externí odkaz:
https://doaj.org/article/c2239b6151a444c4af98a995cec176cf
Publikováno v:
Materials, Vol 16, Iss 6, p 2528 (2023)
Large amounts of municipal solid waste incineration bottom ash (MSWI BA) are formed worldwide, and this quantity is growing because of the establishment of new waste-to-energy plants. This waste is generally kept in landfills but can be used for the
Externí odkaz:
https://doaj.org/article/5beef450aed94d7088124bb63dae1462
Publikováno v:
Crystals, Vol 13, Iss 1, p 4 (2022)
Wettability at the metal-ceramic interface is highly important for the development of modern composite materials. Poor wettability by metal melts restricts the use of alumina in protective metal matrix composite (MMC) coatings. In the present experim
Externí odkaz:
https://doaj.org/article/ca68df3e50d24d6d832c7ddd39788a9d
Publikováno v:
Materials, Vol 16, Iss 1, p 190 (2022)
The main objective of this paper was to investigate the heat transfer of modified lightweight refractory concrete at the microscopic scale. In this work, such material was treated as a porous composite based on the compound of calcium aluminate cemen
Externí odkaz:
https://doaj.org/article/9793b356d19c409aa7368f0ee54746e4
Autor:
Vitalijs Lusis, Olga Kononova, Arturs Macanovskis, Rimvydas Stonys, Inga Lasenko, Andrejs Krasnikovs
Publikováno v:
Fibers, Vol 9, Iss 12, p 76 (2021)
The use of steel fiber reinforced concrete (SFRC) in structures with high physical-mechanical characteristics allows engineers to reduce the weight and costs of the structures, to simplify the technology of their production, to reduce or completely e
Externí odkaz:
https://doaj.org/article/18cba0f7fa9b4ed98b58bb7234c6477e
Autor:
Donatas Sikarskas, Valentin Antonovič, Jurgita Malaiškienė, Renata Boris, Rimvydas Stonys, Genadijs Šahmenko
Publikováno v:
Materials, Vol 14, Iss 20, p 5983 (2021)
This study addresses the application of polyvinyl alcohol (PVA) fibers to improve the performance of lightweight cement composites with pozzolans. Blended cement mixes based on expanded glass granules were modified with PVA fibers (Type A: Ø40 µm,
Externí odkaz:
https://doaj.org/article/171ee348b8c44642b35910a54caf77a0
Publikováno v:
Materials, Vol 14, Iss 16, p 4736 (2021)
This paper analyses the effect of hollow corundum microspheres (HCM) on both physical-mechanical properties (density, ultrasonic pulse velocity, modulus of elasticity, and compressive strength) and thermal shock resistance behavior of refractory medi
Externí odkaz:
https://doaj.org/article/cd41aafdbf3d463f81c7141a979e1acd
Autor:
Vitalijs Lusis, Andrejs Krasnikovs, Olga Kononova, Videvuds-Arijs Lapsa, Rimvydas Stonys, Arturs Macanovskis, Arturs Lukasenoks
Publikováno v:
Journal of Civil Engineering and Management, Vol 23, Iss 8 (2017)
Traditional fiberconcrete structures have fibres in the mix oriented in all spatial directions, distributed in the structural element volume homogenously, what not easy to obtain in practice. In many situations, structurally more effective is the i
Externí odkaz:
https://doaj.org/article/866da8f2332c419ebd79bae5f0d6e53c