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Raw kaolinitic–illitic clays as high‑mechanical‑performance hydraulically pressed refractories
(Journal of Thermal Analysis and Calorimetry, 2022)
The usage possibility of 19 composites of raw refractory clays from Serbia containing approximately 53.29% of SiO2 and 26.73% of Al2O3 is presented. The sum of fluxing oxides was 57.74%, while these materials contained 32% ...
Analysis of the influence of pre-treatment with liquid hot water (LHW) on the chemical composition of wooden chips / Analiza uticaja predtretmana vrelom vodom (LHW) na hemijski sastav drvnog iverja
(Advanced Technologies 2022, vol. 11, 2, 40-47, 2022)
The goal of this paper is to analyze the chemical composition of untreated and
treated wooden chips from the native narrow-leaved ash (Fraxinus angustifolia
Vahl. ssp. Pannonica Soó & Simon). In order to determine the ...
Verification and validation of an advanced guardedhot plate for determination of thermal conductivity
(Thermal Science 2022 Volume 26, Issue 6 Part A, Pages: 4735-4747, 2022)
The Guarded hot plate method (GHP) is a widely used technique to measure thermal conductivity of thermal insulation specimens in steady-state conditions. In this paper, an advance of GHP has been developed in the Laboratory ...
Influence of defects on limit loads and integrity of the pipeline at hydropower plant 'Pirot'
(Institut za ispitivanje materijala, Beograd, 2020)
Topic of this work is the integrity assessment of the pipeline section from hydropower plant Pirot. Crack-like defect size, maximum depth, is determined based on non-destructive evaluation - the largest crack depth is taken ...
Estimation of the drying behaviour for different clay raw materials - drying sensitivity techniques review Epitoanyang 2022
(Epitőanyag – Journal of Silicate Based and Composite Materials, 2022)
In order to rate the drying behavior of different clay raw materials it is necessary to establish
the criteria for comparison. Mineralogical composition, clay minerals content, particle size
distribution, packing, porosity, ...
Imobilizacija teških metalnih jona Zn2+, Ni2+, Pb2+ i Cu2+ u strukturi materijala na bazi cementa / Immobilization of heavy metal ions Zn2+, Ni2+, Pb2+ and Cu2+ in the structure of cement-based materials
(Inženjersko društvo za koroziju, Beograd, 2020)
Prirodni zeolit i bentonit korišćeni su kao mineralni dodaci u mešavinskom dizajnu ekološki sigurnih građevinskih materijala na bazi cementa. Ispitane su adsorptivne sposobnosti ove dve glinene sirovine, tj. njihov afinitet ...
Unapređenje tehnologije aluminotermijskog zavarivanja železničkih šina različitog poprečnog preseka
(Tehnika 76(6), 2021)
U radu je prikazana nova tehnologija aluminotermijskog zavarivanja (AT) prelaznih šina 49E1 na
60E1(EN 13674-1:2005.), oslonjena na potpuno nove materijale. Ona se odnosi na pešćane kalupe kod
kojih su oblik i dimenzije ...
Optimize, upgrade or invest in novel dryer? – A brick factory case study
(International Journal of Manufacturing Economics and Management, 2021)
Drying has an enormous impact on the quality of final masonry clay elements. The accumulated knowledge about modeling the drying process, as well as the registered progress in computing the coupling between the heat and ...
Carbonate-silica gemstone deposit Vučkovica (central Serbia) – Geologic properties, genetic processes and deposition age.
("Goce Delčev" University in Štip, Faculty of Natural and Technical Sciences, Štip, Republic of Macedonia., 2022)
Carbonate-silica veins and masses in Vučkovica locality in central Serbia, classified as Kraubath type deposit, despite their thickness, are not economically significant as magnesite deposit due to silica content well above ...
Contribution to geology and genetic pathway of the Ropočevo breccia – an "orphan" olistolithic body within the Upper Cretaceous flysch near Sopot (central Serbia)
(Published by: "Goce Delčev" University in Štip, Faculty of Natural and Technical Sciences, Štip, Republic of Macedonia, 2022)
The Ropočevo breccia, a dimension stone highly prized in 20th century, has been examined by numerous prominent geologists of the time. It is revisited by researchers still intrigued by its perplexing provenance. Its position ...