Your search for carbon resulted in 21 matches...
This paper discusses some theoretical aspects of the design of ultralight materials. Potential application of syntactic foams in the fabrication of composites lighter than air is also analyzed. Carbon allotropic fo...
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To determine the kinetics of ausferrite decomposition in copper-nickel ADI, a kinetic model of Johnson-Mehl-Avrami (JMA), designed for the investigations under non-isothermal conditions, was used. Applying the Netz...
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The article presents the most important results of the research, development and implementation studies carried out under one of the Target Projects as a result of cooperation between the CERTECH Technical and Comm...
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This paper presents the results of measurements of thermal conductivity coefficient as a function of temperature for two species of spheroidal cast iron by using one of the most modern experimental sets LFA 427 (La...
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The article presents the results of laboratory and industrial tests on the application of a new geopolymer Rudal A binder used in production of moulding and core sands for castings from carbon and alloyed cast stee...
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Nanomaterials extend the range of their application in human activities. The past few years have faced a considerable increase of interest in various aspects of the application of nanotechnology in liquid phase met...
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In the present paper research results of microstructure and selected mechanical properties of composite on EN AC-AlSi11 alloy matrix with reinforcement in the form of particle of Cr-Fe-C alloy (composite ex situ) and carbonitrides Ti, Zr, V (compo...
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The aim of this study was to determine the impact of technological factors (surface treatment and contact time) on the kinetics of wetting of nickel substrates by a liquid aluminum alloy. Wetting kinetics studies were carried out in vacuum at 700&...
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The paper presents results of preliminary studies on Ag-C materials obtained using the powder metallurgy (PM) method with carbon nanotube doping. Based on structural tests performed using scanning electron microscopy a...
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This article presents the evaluation method for nitrated and carbonitrided layer on the surface of the examined material (steel). The above mentioned method comprises the measurement of layer thickness, as well as decomposition of elements occurri...
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Based on the results of dilatometric investigations, parameters of standard single-step and multi-step (or non-isothermal) ADI heat treatment were optimised. The optimisation was based on analysis of the heat treatment processes simulated under la...
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A new ledeburite cast steel was designed based on a matrix precipitation hardened with intermetallic compounds of a chemical composition enriched by adding about 4.25% V totally balanced with carbon. A martensitic-austenitic matrix with a ledeburi...
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The article discusses the thermal processes undergone by the sand mould in contact with the liquid casting alloy. Depending on the character of the atmosphere in the mould, this can be the process of combustion or pyrolysis (when there is no oxyge...
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Studies of composite materials of the Cu-C type with additives of different forms of carbon (carbon nanopowder, carbon nanotubes and reduced graphene oxide) were performed by the powder metallurgy method. Based on the structural tests conducted by...
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The paper presents a critical analysis of the current state-of-the-art thermo-physical properties of metal composite materials, in which different types of carbon reinforcing phase have been used: graphite, diamond, carbon fibres, carbon nanotubes...
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The article presents the results of the pyrolysis of resin, the fast hardener as well as cured resin used in the ALPHASET technology. It is an alkaline phenolic resin of the resol type cured with an ester mixture. The pyrolysis was performed at 90...
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The aim of the study was to determine the thermophysical characteristics of CuNiMoMn austempered ductile iron (ADI) obtained as a result of standard, one-step heat treatment performed at various temperatures.Temperature-dependent physical pr...
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This paper presented the spectral study (FTIR, UV-Vis) for samples of non-activated bentonite (calcium) which has in its composition a main mineral resource, montmorillonite (MMT). MMT, as a component which contains calcium ions (Ca-MMT, was modif...
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The article presents the results of surface morphology of dust from dry dedusting of moulding sand with bentonite and mixtures of bentonite with lustrous carbon carrier using scanning electron microscopy. The study identifies the approxi...
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The wetting behavior and reactivity between molten cast iron (originally vermicular graphite cast iron, containing in wt. %: 3.70 C, 2.30 Si, 0.44 Mn, 0.054 P, 0.017 Mg, 0.015 S) and commercial polycrystalline alumina (Al2O3 ...
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The paper presents laboratory test results for an assessment of the binding characteristics of two grades of calcium bentonite compounds for casting moulds. The bentonite compounds were chemically modified with sodium carbonate at several differen...
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