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Bulletin of the Polish Academy of Sciences. Technical Sciences
2013 Vol. 61, nr 2 507--514
EN Copper-based composites could be widely used in automotive, electronic or electrical industry due to their very promising thermal properties. In the present paper, Cu-AlN metal matrix composites with ceramic volume fractions between 0.1 and 0.4 were fabricated by hot pressing method in vacuum. Depen[...]
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Journal of Achievements in Materials and Manufacturing Engineering
EN Purpose: The work presents a microstructure characterization, thermal stability and soft magnetic properties analysis of Fe-based bulk metallic glasses. Design/methodology/approach: The studies were performed on bulk amorphous ribbons and rods. The amorphous structure of tested materials was examine[...]
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Przemysł Chemiczny
2010 T. 89, nr 12 1689-1692
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Prace Naukowe Instytutu Technologii Organicznej i Tworzyw Sztucznych Politechniki Wrocławskiej. Konferencje
PL Przedstawiono wyniki badań właściwości użytkowych i termicznych mieszanin PA/PP. Wyznaczono charakterystykę trzech wybranych mieszanin o następującym składzie: PA30%PP70%, PA50%PP50%, PA70%PP30%. Badane polimery są termodynamicznie niemieszalne, dlatego do wytworzenia mieszanin użyto środka proadhez[...]
EN The results of investigations of consumption and thermal properties of PA/PP blends where presented. The investigations allowed to calculate characteristic of three chosen blends composed of: PA30%PP70% of total weight, PA50%PP50% of total weight, PA70%PP30% of total weight. Components of blends bel[...]
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Nukleonika
EN The effects of electron-beam irradiation on mechanical and thermal properties were studied for two commercial multilayer structures of flexible food packaging. Both the laminated poly(ethylene terephthalate) (PET)/ low-density polyethylene (LDPE) and the coextruded LDPE/polyamide(PA)/LDPE structures[...]
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Computer Applications in Electrical Engineering
2014 Vol. 12 217--226
EN The article presents information concerning the electrical and thermal properties of nanoliquids in the context of their use in the insulating system of high voltage power transformers. It consists of six chapters. The first chapter is an introduction. The second chapter describes properties of the [...]
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Journal of Achievements in Materials and Manufacturing Engineering
2011 Vol. 48, nr 2 161--168
EN Purpose: The paper present fabrication process, structure characterization and selected thermal properties of Fe-Co-based bulk metallic glasses in form of rods. Additionally selected GFA parameters were determined. Design/methodology/approach: The studies were realized on Fe36Co36
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Journal of Machine Engineering
EN This paper highlights the need for the holistic modelling of the thermal properties of machine tools to provide a good basis for the effective aiding of machine tool design and optimization. A brief history of this modelling and the idea of accurate modelling and its experimental verification are pr[...]
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Archives of Metallurgy and Materials
2018 Vol. 63, iss. 4 2089--2093
EN In the present paper the structure and thermal properties of europium cerium oxides were investigated. The material for the research was obtained via solid state synthesis. The initial powders: ceria CeO2 and europia Eu2O3 were mixed in 1:1 mass ratio (non-stoichiome[...]
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Materials Science Poland
EN Thermal properties of Cu–Zn partially substituted Bi1.8Sr2Ca2Cu3.2-xZnx10+δ (x = 0, 0.1 and 0.5) glass-ceramic systems have been investigated with the help of a differential thermal analyzer (DTA) by using Johnson-Mehl-Avrami-Kolmogor[...]
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Central European Journal of Energetic Materials
2018 Vol. 15, no. 3 405--419
EN 1,1-Dimethylbiguanidium 1H,1′H-5,5′-bistetrazole-1,1′-diolate (MGBTO), a novel nitrogen-rich energetic salt, was synthesized by cation exchange. Its structure was characterized by elemental analysis, FTIR, NMR, DTA and TG-DTG. Single crystal X-ray diffraction analysis revealed that MGBTO was crystal[...]
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Journal of Polish CIMAC
2012 Vol. 7, no 3 107-112
EN The influence of co-rotating twin-screw extrusion of polymer blends on their thermal properties has been presented in this paper. The polymer blends that have been taken into consideration consisted of PE and PP processed by BTSK 20 without any compatibilizer. The contents of minor phase, i.e. PP in[...]
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Prace Naukowe Instytutu Podstaw Elektrotechniki i Elektrotechnologii Politechniki Wrocławskiej. Konferencje
PL W artykule przedstawiono wyniki badań właściwości laserowych połączeń spawanych w odniesieniu do testowych połączeń drutowych oraz wyprowadzeń ze struktur półprzewodnikowych. Badania przeprowadzono z punktu widzenia analizy zjawisk cieplnych zachodzących podczas przepływu prądu. Dokonano pomiaru rez[...]
EN This paper presents an experimental investigations of physical and electrical properties of laser weld bonding. It analyzes reasons of generation of technological narrowings and growth of resistivity of connection. It presents results of technical methods of measurements of resistivity and results o[...]
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Studia Informatica : systems and information technology
2008 Vol. 1(10) 15--26
EN In the paper, possibilities of application of genetic algorithms to determine thermal properties depth profile in microelectronic layered structures were presented. A developed computational method was described and results obtained using the method for a thyristor structure were presented.
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International Letters of Chemistry, Physics and Astronomy
EN Tensile properties are studied to assess the influence of fiber weight. Room temperature cured epoxy was impregnated with jute/Sc in order to evaluate the performance of hybrid composites. Jute/Sc fibers are taken in the 1:1 weight ratios to suspend on epoxy resin with different fiber lengths such a[...]
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Polish Journal of Chemical Technology
EN A novel bio-based flame-retardant thermosetting vinyl ester resin monomer was synthesized from castor oil. The chemical structures of the monomer was characterized by FTIR and 1H-NMR. In order to improve its rigidity and expand its application in the field of bio-based materials, it was mixed with c[...]
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Materials Science Poland
2019 Vol. 37, No. 2 238--243
EN In the present study, the dopant effect of Zn on the crystal structure, thermal properties and morphology of magnesium aluminate (MgAl2O4) spinel (MAS) structure was investigated. A pure and two Zn-containing MASs (e.g. MgAl1.93Zn0.07O and MgAl<[...]
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Materials Science Poland
2019 Vol. 37, No. 4 622--627
EN To enhance interfacial bonding between carbon fibers and epoxy matrix, the carbon fibers have been modified with multiwall carbon nanotubes (MWCNTs) using the dip- coating technique. FT-IR spectrum of the MWCNTs shows a peak at 1640 cm−1 corresponding to the stretching mode of the C=C dou[...]
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Advances in Science and Technology. Research Journal
2017 Vol. 11, no 3 233--239
EN Our efforts were focused on improving thermal stability of polyethylene (PE) and polypropylene (PP) through incorporation of new organically modified montmorillonite.The reactive organofilic montmorillonite (MMT-EA) was prepared by exchanging the interlayer inorganic cations in montmorillonite by a [...]
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Journal of Ecological Engineering
EN The influence of the silica fume (SF) addition on the basic mechanical and thermal parameters of cement concrete was presented in this paper. Numerous studies show that the specific properties of silica fume allow producing concretes with increased strength and durability properties. However, the re[...]
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