Rok 2020

• Numerical Study of Concrete Mesostructure Effect on Lamb Wave Propagation

  Publikacja

  • B. Zima
  • R. Kędra

  - Materials - Rok 2020

  The article presents the results of the numerical investigation of Lamb wave propagation in concrete plates while taking into account the complex concrete mesostructure. Several concrete models with randomly distributed aggregates were generated with the use of the Monte Carlo method. The influence of aggregate ratio and particle size on dispersion curves representing Lamb wave modes was analyzed. The results obtained for heterogeneous...

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• Physicochemical and Mechanical Performance of Freestanding Boron-Doped Diamond Nanosheets Coated with C:H:N:O Plasma Polymer

  Publikacja

  • M. Rycewicz
  • Ł. Macewicz
  • J. Kratochvil
  • A. Stanisławska
  • M. Ficek
  • M. Sawczak
  • V. Stranak
  • M. Szkodo
  • R. Bogdanowicz

  - Materials - Rok 2020

  The physicochemical and mechanical properties of thin and freestanding heavy boron-doped diamond (BDD) nanosheets coated with a thin C:H:N:O plasma polymer were studied. First, diamond nanosheets were grown and doped with boron on a Ta substrate using the microwave plasma-enhanced chemical vapor deposition technique (MPECVD). Next, the BDD/Ta samples were covered with nylon 6.6 to improve their stability in harsh environments and...

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• Plasticity of Bead-On-Plate Welds Made with the Use of Stored Flux-Cored Wires for Offshore Applications

  Publikacja

  • A. Świerczyńska
  • M. Landowski

  - Materials - Rok 2020

  Extreme atmospheric conditions in the marine and offshore industry are harmful to engineering materials, especially to welded joints, and may cause degradation of their properties. This article presents the results of research on the plasticity of bead-on-plate welds made using two types of seamless, copper plated flux-cored wires. Before welding, spools with wire were stored for 1 month in two distinct locations with different...

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• POM/EVA Blends with Future Utility in Fused Deposition Modeling

  Publikacja

  • M. Galeja
  • K. Wypiór
  • J. Wachowicz
  • P. Kędzierski
  • A. Hejna
  • M. Marć
  • K. Klewicz
  • J. Gabor
  • H. Okła
  • A. S. Swinarew

  - Materials - Rok 2020

  Polyoxymethylene (POM) is one of the most popular thermoplastic polymers used in the industry. Therefore, the interest in its potential applications in rapid prototyping is understandable. Nevertheless, its low dimensional stability causes the warping of 3D prints, limiting its applications. This research aimed to evaluate the effects of POM modification with ethylene-vinyl acetate (EVA) (2.5, 5.0, and 7.5 wt.%) on its processing...

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• Post-Pyrolytic Carbon as a Phase Change Materials (PCMs) Carrier for Application in Building Materials

  Publikacja

  • M. Ryms
  • K. Januszewicz
  • P. Kazimierski
  • J. Łuczak
  • E. Klugmann-Radziemska
  • W. Lewandowski

  - Materials - Rok 2020

  This article covers new application for char as a carrier of phase-change materials (PCM) that could be used as an additive to building materials. Being composed of bio-char and PCM, the granulate successfully competes with more expensive commercial materials of this type, such as Micronal® PCM. As a PCM carrier, char that was obtained from the pyrolysis of chestnut fruit (Aesculus hippocastanum) with different absorbances of the...

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• Precipitation and Transformation of Vaterite Calcium Carbonate in the Presence of Some Organic Solvents

  Publikacja

  • D. Konopacka-Łyskawa
  • N. Czaplicka
  • M. S. Łapiński (dawniej: M. Łapiński)
  • B. Kościelska
  • R. T. Bray (dawniej: R. Bray)

  - Materials - Rok 2020

  In this paper, the production of CaCO3 particles via the carbonation route in the reaction of CaCl2 and CO2, using NH3 as a promoter of CO2 absorption, was studied. The solvents used as the reaction media for CaCO3 precipitation were aqueous solutions of methanol, isopropanol and dimethyl sulfoxide (DMSO), in a concentration range of 0–20% (v/v). It was found that the presence of an organic additive influenced the precipitation...

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• Preparation and Characterization of Defective TiO2. The Effect of the Reaction Environment on Titanium Vacancies Formation

  Publikacja

  • Z. Bielan
  • S. Dudziak
  • A. Sulowska
  • D. K. Pelczarski (dawniej: D. Pelczarski)
  • J. Ryl
  • A. Zielińska-Jurek

  - Materials - Rok 2020

  Among various methods of improving visible light activity of titanium(IV) oxide, the formation of defects and vacancies (both oxygen and titanium) in the crystal structure of TiO2 is an easy and relatively cheap alternative to improve the photocatalytic activity. In the presented work, visible light active defective TiO2 was obtained by the hydrothermal reaction in the presence of three different oxidizing agents: HIO3, H2O2, and...

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• Preparation of Hydrogen Electrodes of Solid Oxide Cells by Infiltration: Effects of the Preparation Procedure on the Resulting Microstructure

  Publikacja

  • B. Hołówko
  • J. Karczewski
  • S. Molin
  • P. Jasiński

  - Materials - Rok 2020

  In this work, the infiltration technique was used to produce hydrogen electrodes for solid oxide cells. Different infiltration methodologies were tested in order to try to shorten the infiltration cycle time. The porous scaffolds used for infiltration were based on highly porous yttria-stabilized zirconia (YSZ) obtained by etching the reduced nickel from the Ni-YSZ cermet in HNO3 acid. The support had a complex structure which...

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• Pre-Treatment of Furniture Waste for Smokeless Charcoal Production

  Publikacja

  • P. Kazimierski
  • P. Hercel
  • K. Januszewicz
  • D. Kardaś

  - Materials - Rok 2020

  The aim of this study was to assess the possibility of using furniture waste for smokeless fuel production using the pyrolysis process. Four types of wood-based wastes were used in the pyrolysis process: pine sawdust (PS), chipboard (CB), medium-density fiberboard (MDF), and oriented strand board (OSB). Additionally, the slow and fast types of pyrolysis were compared, where the heating rates were 15 C/min and 100 C/min, respectively....

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• Processing of Polyester-Urethane Filament and Characterization of FFF 3D Printed Elastic Porous Structures with Potential in Cancellous Bone Tissue Engineering

  Publikacja

  • A. Haryńska
  • I. Carayon
  • P. Kosmela
  • A. Brillowska-Dąbrowska
  • M. S. Łapiński (dawniej: M. Łapiński)
  • J. Kucińska-Lipka
  • H. Janik

  - Materials - Rok 2020

  This paper addresses the potential of self-made polyester-urethane filament as a candidate for Fused Filament Fabrication (FFF)-based 3D printing (3DP) in medical applications. Since the industry does not provide many ready-made solutions of medical-grade polyurethane filaments, we undertook research aimed at presenting the process of thermoplastic polyurethane (TPU) filament formation, detailed characteristics, and 3DP of specially...

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• Profile and Areal Surface Parameters for Fatigue Fracture Characterisation

  Publikacja

  • W. Macek
  • R. Branco
  • M. Szala
  • Z. Marciniak
  • R. Ulewicz
  • N. Sczygiol
  • P. Kardasz

  - Materials - Rok 2020

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• Pulsed Laser Deposition of Bismuth Vanadate Thin Films—The Effect of Oxygen Pressure on the Morphology, Composition, and Photoelectrochemical Performance

  Publikacja

  • K. Trzciński
  • M. Szkoda
  • M. Gazda
  • J. Karczewski
  • A. Cenian
  • G. Grigorian
  • M. Sawczak

  - Materials - Rok 2020

  Thin layers of bismuth vanadate were deposited using the pulsed laser deposition technique on commercially available FTO (fluorine-doped tin oxide) substrates. Films were sputtered from a sintered, monoclinic BiVO4 pellet, acting as the target, under various oxygen pressures (from 0.1 to 2 mbar), while the laser beam was perpendicular to the target surface and parallel to the FTO substrate. The oxygen pressure strongly affects...

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• Ruthenium(II) and Iridium(III) Complexes as Tested Materials for New Anticancer Agents

  Publikacja

  • J. Masternak
  • A. Gilewska
  • B. Barszcz
  • I. Łakomska
  • K. Kazimierczuk
  • J. Sitkowski
  • J. Wietrzyk
  • A. Kamecka
  • M. Milczarek

  - Materials - Rok 2020

  The oncological use of cisplatin is hindered by its severe side eects and a very important resistance problem. To overcome these problems, scientists have attempted to design new generation transition-metal anticancer complexes. In this study, we present new complexes, ruthenium(II) [(6-p-cymene)RuCl(py2CO)]PF6 (1), iridium(III) [(5-Cp)IrCl(py2CO)]PF6 (2), and NH4[IrCl4(py2CO)]H2O (3), based on di-2-pyridylketone (py2CO). The prepared...

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• Shear Cap Size Selection Method Based on Parametric Analysis of ACI-318 Code and Eurocode 2 Standard

  Publikacja

  • M. Grabski
  • A. Ambroziak

  - Materials - Rok 2020

  The scope of the paper is to propose a method for determining the size of shear caps in a slab–column-connections-reinforced concrete structure. Usually, shear heads are used to enhance slab–column connection, especially when the transverse reinforcement does not give the required punching shear load capacity. The dimensions of the shear head should provide the punching shear resistance of the connection inside and outside the...

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• Short and Long Term Measurements in Assessment of FRP Composite Footbridge Behavior

  Publikacja

  • M. Miśkiewicz
  • Ł. Pyrzowski
  • B. Sobczyk

  - Materials - Rok 2020

  The paper presents application of different sensors for the purpose of short and long term measurements, as well as a structural health monitoring (SHM) system to assess the behavior of a novel fiber reinforced plastics (FRP) composite footbridge. The aim is to present a thorough and concise description of these sensors networks and results gathered with their aid during in situ measurement of strains, displacements, and vibrations,...

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• Silica Gel Impregnated by Deep Eutectic Solvents for Adsorptive Removal of BTEX from Gas Streams

  Publikacja

  • P. Makoś-Chełstowska (dawniej: P. Makoś)
  • E. Słupek
  • A. Małachowska

  - Materials - Rok 2020

  The paper presents the preparation of new adsorbents based on silica gel (SiO2) impregnated with deep eutectic solvents (DESs) to increase benzene, toluene, ethylbenzene, and p-xylene (BTEX) adsorption efficiency from gas streams. The DESs were synthesized by means of choline chloride, tetrapropylammonium bromide, levulinic acid, lactic acid, and phenol. The physico-chemical properties of new sorbent materials, including surface...

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• Silicon Oxycarbide-Graphite Electrodes for High-Power Energy Storage Devices

  Publikacja

  • D. Knozowski
  • M. Graczyk-Zajac
  • G. Trykowski
  • M. Wilamowska-Zawłocka

  - Materials - Rok 2020

  Herein we present a study on polymer-derived silicon oxycarbide (SiOC)/graphite composites for a potential application as an electrode in high power energy storage devices, such as Lithium-Ion Capacitor (LIC). The composites were processed using high power ultrasound-assisted sol-gel synthesis followed by pyrolysis. The intensive sonication enhances gelation and drying process, improving the homogenous distribution of the graphitic...

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• Silk Fibroin/Collagen/Chitosan Scaffolds Cross-Linked by a Glyoxal Solution as Biomaterials toward Bone Tissue Regeneration

  Publikacja

  • S. Grabska-Zielińska
  • A. Sionkowska
  • C. Coelho
  • F. Monteiro

  - Materials - Rok 2020

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• Special Issue: “Non-Destructive Testing of Structures”

  Publikacja

  • M. Rucka

  - Materials - Rok 2020

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• Special Issue: “Non-Destructive Testing of Structures”

  Publikacja

  • M. Rucka

  - Materials - Rok 2020

  The Special Issue “Non-Destructive Testing of Structures” has been proposed to present recent developments in the field of diagnostics of structural materials and components in civil and mechanical engineering. The papers highlighted in this editorial concern various aspects of non-invasive diagnostics, including such topics as condition assessments of civil and mechanical structures and connections of structural elements, the...

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• Special Issue: Recent Advances in Corrosion Science

  Publikacja

  • J. Ryl

  - Materials - Rok 2020

  The dynamic development of the global industry and growing demand for new material technologies generates constantly increasing problems regarding premature material degradation and the requirement to determine corrosion mechanisms and to develop new protection/evaluation approaches. This Special Issue, “Recent Advances in Corrosion Science”, brings together fourteen articles and one review, providing a snapshot of the recent activity...

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• Spinel of Nickel-Cobalt Oxide with Rod-Like Architecture as Electrocatalyst for Oxygen Evolution Reaction

  Publikacja

  • A. Dymerska
  • W. Kukułka
  • M. Biegun
  • E. Mijowska

  - Materials - Rok 2020

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• Static and Dynamic Mechanical Properties of 3D Printed ABS as a Function of Raster Angle

  Publikacja

  • M. Galeja
  • A. Hejna
  • P. Kosmela
  • A. Kulawik

  - Materials - Rok 2020

  Due to the rapid growth of 3D printing popularity, including fused deposition modeling (FDM), as one of the most common technologies, the proper understanding of the process and influence of its parameters on resulting products is crucial for its development. One of the most crucial parameters of FDM printing is the raster angle and mutual arrangement of the following filament layers. Presented research work aims to evaluate different...

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• Structural Properties and Water Uptake of SrTi1−xFexO3−x/2−δ

  Publikacja

  • T. Miruszewski
  • K. Dzierzgowski
  • P. Winiarz
  • S. L. Wachowski (dawniej: S. Wachowski)
  • A. D. Mielewczyk-Gryń (dawniej: A. Mielewczyk-Gryń)
  • M. Gazda

  - Materials - Rok 2020

  In this work, Fe-doped strontium titanate SrTi1−xFexO3−x/2−δ, for x = 0–1 (STFx), has been fabricated and studied. The structure and microstructure analysis showed that the Fe amount in SrTi1−xFexO3−x/2−δ has a great influence on the lattice parameter and microstructure, including the porosity and grain size. Oxygen nonstoichiometry studies performed by thermogravimetry at different atmospheres showed that the Fe-rich compositions...

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• Study of the Active Carbon from Used Coffee Grounds as the Active Material for a High-Temperature Stable Supercapacitor with Ionic-Liquid Electrolyte

  Publikacja

  • M. Biegun
  • A. Dymerska
  • X. Chen
  • E. Mijowska

  - Materials - Rok 2020

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• Study on Technological Effects of a Precise Grooving of AlSi13MgCuNi Alloy with a Novel WCCo/PCD (DDCC) Inserts

  Publikacja

  • S. Wojciechowski
  • R. Talar
  • P. Zawadzki
  • S. Legutko
  • R. Maruda
  • C. Prakash

  - Materials - Rok 2020

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• Study on the Structure-Property Dependences of Rigid PUR-PIR Foams Obtained from Marine Biomass-Based Biopolyol

  Publikacja

  • P. Kosmela
  • A. Hejna
  • J. Suchorzewski
  • Ł. Piszczyk
  • J. Haponiuk

  - Materials - Rok 2020

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• Study on the Structure-Property Dependences of Rigid PUR-PIR Foams Obtained from Marine Biomass-Based Biopolyol

  Publikacja

  • P. Kosmela
  • A. Hejna
  • J. Suchorzewski
  • Ł. Piszczyk
  • J. T. Haponiuk (dawniej: J. Haponiuk)

  - Materials - Rok 2020

  The paper describes the preparation and characterization of rigid polyurethane-polyisocyanurate (PUR-PIR) foams obtained with biopolyol synthesized in the process of liquefaction of biomass from the Baltic Sea. The obtained foams differed in the content of biopolyol in polyol mixture (0–30 wt%) and the isocyanate index (IISO = 200, 250, and 300). The prepared foams were characterized in terms of processing parameters (processing...

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• Surface-Step-Induced Magnetic Anisotropy in Epitaxial LSMO Deposited on Engineered STO Surfaces

  Publikacja

  • J. Pawlak
  • A. Żywczak
  • J. Kanak
  • M. Przybylski
  • Ż. Antoni

  - Materials - Rok 2020

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• Synthesis and Characterization of Nitrogen-doped Carbon Nanotubes Derived from g-C3N4

  Publikacja

  • K. Maślana
  • R. Kaleńczuk
  • B. Zielińska
  • E. Mijowska

  - Materials - Rok 2020

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• Synthesis and Modification by Carbonization of Styrene–Ethylene Glycol Dimethacrylate–Lignin Sorbents and their Sorption of Acetylsalicylic Acid

  Publikacja

  • K. Wnuczek
  • B. Podkościelna
  • M. Sobiesiak
  • Ł. Szajnecki
  • M. Goliszek

  - Materials - Rok 2020

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• Teicoplanin-Modified HPLC Column as a Source of Experimental Parameters for Prediction of the Anticonvulsant Activity of 1,2,4-Triazole-3-Thiones by the Regression Models

  Publikacja

  • J. Flieger
  • A. Orzeł
  • A. Kowalska-Kępczyńska
  • M. Pizoń
  • H. Trębacz
  • D. Majerek
  • T. Plech
  • W. Płaziński

  - Materials - Rok 2020

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• The Effect of Aggregate Shape on the Properties of Concretes with Silica Fume

  Publikacja

  • J. Strzałkowski
  • H. Garbalińska

  - Materials - Rok 2020

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• The Effect of Laser Re-Solidification on Microstructure and Photo-Electrochemical Properties of Fe-Decorated TiO2 Nanotubes

  Publikacja

  • P. Kupracz
  • K. Grochowska
  • J. Karczewski
  • J. Wawrzyniak
  • K. Siuzdak

  - Materials - Rok 2020

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• The Effect of Laser Re-Solidification on Microstructure and Photo-Electrochemical Properties of Fe-Decorated TiO2 Nanotubes

  Publikacja

  • P. Kupracz
  • K. Grochowska
  • J. Karczewski
  • J. Wawrzyniak
  • K. Siuzdak

  - Materials - Rok 2020

  Fossil fuels became increasingly unpleasant energy source due to their negative impact on the environment; thus, attractiveness of renewable, and especially solar energy, is growing worldwide. Among others, the research is focused on smart combination of simple compounds towards formation of the photoactive materials. Following that, our work concerns the optimized manipulation of laser light coupled with the iron sputtering to...

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• The Effects of Temperature Curing on the Strength Development, Transport Properties, and Freeze-Thaw Resistance of Blast Furnace Slag Cement Mortars Modified with Nanosilica

  Publikacja

  • K. Federowicz
  • V. Figueiredo
  • H. Al-kroom
  • H. Abdel-Gawwad
  • M. Abd
  • P. Sikora

  - Materials - Rok 2020

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• The Influence of the Aircraft Operating Fluids on the Mechanical Parameters of the Airport Surface Concrete

  Publikacja

  • W. Żebrowski
  • P. Wolka
  • M. Kurpińska

  - Materials - Rok 2020

  The authors of the article assessed the impact of operating fluids used to service aircraft on changing mechanical parameters of cement concrete intended for airport pavement. The research concerned concrete designed with the use of CEM I 42.5N LH NA low-alkali cement, broken granite aggregate, fine washed aggregate, and admixtures. The analysis included the assessment of changes in dierences in endurance parameters over various...

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• The Influence of the Depth of Cut in Single-Pass Grinding on the Microstructure and Properties of the C45 Steel Surface Layer

  Publikacja

  • M. Szkodo
  • K. Chodnicka-Wszelak
  • M. Deja
  • A. Stanisławska
  • M. Bartmański

  - Materials - Rok 2020

  The paper contains the results of a metallographic examination and nanoindentation test conducted for the medium carbon structural steel with low content of Mn, Si, Cu, Cr, and Ni after its grinding to a depth ranging from 2 μm to 20 μm, at constant cutting speed (peripheral speed) of vs = 25 ms−1 and constant feed rate of vft = 1 m/min. Applied grinding parameters did not cause the surface layer hardening, which could generate...

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• The Influence of the Electrodeposition Parameters on the Properties of Mn-Co-Based Nanofilms as Anode Materials for Alkaline Electrolysers

  Publikacja

  • K. Cysewska
  • M. Rybarczyk
  • G. Cempura
  • J. Karczewski
  • M. S. Łapiński (dawniej: M. Łapiński)
  • P. Jasiński
  • S. Molin

  - Materials - Rok 2020

  In this work, the influence of the synthesis conditions on the structure, morphology, and electrocatalytic performance for the oxygen evolution reaction (OER) of Mn-Co-based films is studied. For this purpose, Mn-Co nanofilm is electrochemically synthesised in a one-step process on nickel foam in the presence of metal nitrates without any additives. The possible mechanism of the synthesis is proposed. The morphology and structure...

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• The Luminescence of 1,8-Diazafluoren-9-One/Titanium Dioxide Composite Thin Films for Optical Application

  Publikacja

  • A. Lewkowicz
  • R. Bogdanowicz
  • P. Bojarski
  • M. Pierpaoli
  • I. Gryczyński
  • A. Synak
  • M. Mońka
  • J. Karczewski
  • W. Struck-Lewicka
  • R. Wawrzyniak... i 2 innych

  - Materials - Rok 2020

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• The Quantum Efficiency Roll-Off Effect in Near-Infrared Organic Electroluminescent Devices with Iridium Complexes Emitters

  Publikacja

  • W. Mróz
  • S. Kesarkar
  • A. Bossi
  • D. K. Pelczarski (dawniej: D. Pelczarski)
  • P. J. Grygiel (dawniej: P. Grygiel)
  • W. Stampor

  - Materials - Rok 2020

  The electroluminescence quantum efficiency roll-off in iridium(III)-based complexes, namely Ir(iqbt)2(dpm) and Ir(iqbt)3(iqbt=1 (benzo[b]thiophen-2-yl)-isoquinolinate, dpm=2,2,6,6-tetramethyl-3,5-heptanedionate) utilized as near-infrared emitters in organic light emitting diodes with remarkable external quantum efficiencies, up to circa 3%, 1.5% and 1%, are measured and analyzed. With a 5–6 weight % of emitters embedded...

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• The Thermal Parameters of Mortars Based on Different Cement Type and W/C Ratios

  Publikacja

  • A. Stolarska
  • J. Strzałkowski

  - Materials - Rok 2020

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• Thermal Barrier Stability and Wear Behavior of CVD Deposited Aluminide Coatings for MAR 247 Nickel Superalloy

  Publikacja

  • D. Kukla
  • M. Kopec
  • Z. Kowalewski
  • D. Politis
  • S. Jóźwiak
  • C. Senderowski

  - Materials - Rok 2020

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• TiO2 Modified with Organic Acids for the Decomposition of Chlorfenvinphos under the Influence of Visible Light: Activity, Performance, Adsorption, and Kinetics

  Publikacja

  • P. Zawadzki

  - Materials - Rok 2020

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• Tribological Properties of Ni-P/Si3N4 Nanocomposite Layers Deposited by Chemical Reduction Method on Aluminum Alloy AW-7075

  Publikacja

  • K. Czapczyk

  - Materials - Rok 2020

  The article presents the results of tribological tests of Ni-P/Si3N4 nanocomposite and Ni-P nickel layers deposited on the AW-7075 aluminum alloy by chemical reduction method, and the AW-7075 alloy without coating. Nanocomposite layers were produced using Si3N4 siliconnitride in the form of a polydisperse powder whose particle sizes ranged from 20 to 25 nm. The influence of the content of the dispersion phase layer material on...

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• Underwater Local Cavity Welding of S460N Steel

  Publikacja

  • J. Tomków
  • A. Janeczek
  • G. Rogalski
  • A. Wolski

  - Materials - Rok 2020

  In this paper, a comparison of the mechanical properties of high-strength low-alloy S460Nsteel welded joints is presented. The welded joints were made by the gas metal arc welding (GMAW)process in the air environment and water, by the local cavity welding method. Welded joints were testedfollowing the EN ISO 15614-1:2017 standard. After welding, the non-destructive—visual, penetrant,radiographic, and ultrasonic (phased array) tests...

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• Uniformity of Thermoluminescence and Optically Stimulated Luminescence Signals Over the Length of Doped LiMgPO4 Crystal Rods Grown by Micro-Pulling-Down Method

  Publikacja

  • B. Marczewska
  • W. Gieszczyk
  • M. Kłosowski
  • M. Książek
  • P. Bilski
  • Ł. Boroń

  - Materials - Rok 2020

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• Waste Rubber Pyrolysis: Product Yields and Limonene Concentration

  Publikacja

  • K. Januszewicz
  • P. Kazimierski
  • T. Suchocki
  • D. Kardaś
  • W. Lewandowski
  • E. Klugmann-Radziemska
  • J. Łuczak

  - Materials - Rok 2020

  Tires, conveyor belts, floor mats, and shoe soles form a main-stream of rubber waste. The amount of these used materials continuously increases due to development of the rubber market. Therefore, pro-ecological utilization (i.e., energy recycling instead of burning) and recovering valuable and recyclable materials becomes an urgent necessity. In this regard, this work was devoted to the chemical recycling of selected used rubber...

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• Waste Tyres Pyrolysis for Obtaining Limonene

  Publikacja

  • K. Januszewicz
  • P. Kazimierski
  • W. Kosakowski
  • W. Lewandowski

  - Materials - Rok 2020

  This review deals with the technologies of limonene production from waste tyre pyrolysis. Thermal decomposition is attractive for tackling the waste tyre disposal problem, as it enables both: energy to be recovered and limonene to be obtained. This material management recycling of tyres is environmentally more beneficial than the burning of all valuable products, including limonene. Given this recoverability of materials from waste...

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• Wear Resistance Enhancement of Al6061 Alloy Surface Layer by Laser Dispersed Carbide Powders

  Publikacja

  • R. Jendrzejewski
  • J. Łubiński
  • G. Śliwiński

  - Materials - Rok 2020

  In this paper, results of the experimental study on improving wear resistance in sliding friction of Al-based alloy are presented. The technique used involves the formation of a metal matrix composite (MMC) in the alloy surface layer by laser dispersion of carbide powders such as WC, TiC and SiC. For WC and TiC MMC surface coatings fabricated under conditions typical for most of the technologically relevant solid-state lasers (wavelength...

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