Wyniki wyszukiwania dla: 3D PRINTED COMPOSITES

• Projekt urządzenia do badania siły zacisku z wykorzystaniem druku 3D

  Publikacja

  • R. Barański
  • W. Sieklicki

  - Rok 2016

  Istniejące na rynku komercyjne urządzenia do badania siły zacisku nie należą do tanich. Dlatego postanowiono skonstruować własne konkurencyjne urządzenie, które spełniałoby wymogi stawiane urządzeniom do pomiaru siły zacisku, jednocześnie będące o wiele tańszym rozwiązaniem. Obecne możliwości techniczne z zakresu budowy urządzeń elektronicznych, wykorzystania nie-drogich czujników pozwala na budowę układów pomiarowych o przyzwoitych...

• Analysis of the Possibilities of Applying 3D Print Methods for the Needs of Ship-Building Industry

  Publikacja

  • K. Jasiński
  • M. Chodnicki
  • K. Bobrowski
  • K. Lipiński
  • M. Kluczyk
  • A. Szeleziński

  - Rok 2023

  Article presents the analysis of applying additive and hybrid manufacturing methods and its impact on dynamic stiffness of prepared samples. Dynamic analysis of the handle bracket specimens consisted in plotting the resonance curves and using these curves to estimate the dynamic stiffness of elements produced with additive manufacturing technology. Authors focused especially on 3D print in Fused Deposiotion Modeling/Fused Filament...

  Pełny tekst do pobrania w serwisie zewnętrznym

• Rapid Design of 3D Reflectarray Antennas by Inverse Surrogate Modeling and Regularization

  Publikacja

  • S. Kozieł
  • M. Belen
  • A. Caliskan
  • P. Mahouti

  - IEEE Access - Rok 2023

  Reflectarrays (RAs) exhibit important advantages over conventional antenna arrays, especially in terms of realizing pencil-beam patterns without the employment of the feeding networks. Unfortunately, microstrip RA implementations feature narrow bandwidths, and are severely affected by losses. A considerably improved performance can be achieved for RAs involving grounded dielectric layers, which are also easy to manufacture using...

  Pełny tekst do pobrania w portalu

• Characterization of Highly Filled Glass Fiber/Carbon Fiber Polyurethane Composites with the Addition of Bio-Polyol Obtained through Biomass Liquefaction

  Publikacja

  • A. Olszewski
  • P. Nowak
  • P. Kosmela
  • Ł. Piszczyk

  - Materials - Rok 2021

  This work aims to investigate the process of obtaining highly filled glass and carbon fiber composites. Composites were manufactured using previously obtained cellulose derived polyol, polymeric methylene diphenyl diisocyanate (pMDI). As a catalyst, dibutyltin dilaurate 95% and Dabco® 33-LV were used. It was found that the addition of carbon and glass fibers into the polymer matrix causes an increase in the mechanical properties...

  Pełny tekst do pobrania w portalu

• Advanced laminate composites of improved impact tolerance.

  Publikacja

  • K. Imielińska
  • R. Wojtyra

  - Rok 2004

  Przedstawiono przegląd sposobów poprawy tolerancji udarów w nowoczesnych laminatach polimerowych. Są to: wytrzymalsze i bardziej ciągliwe materiały osnowy, dobieranie odpowiedniego powiązania osnowy i włókien, stosowanie włókien w postaci tkanin, zszywanie preform z wielu warstw tkanin, łączenie włókien ciągłych w preformy za pomocą kompozytowych szpilek, stosowanie tkanin NCF z włókien ciągłych łączonych na grubości dodatkowym...

• Conducting composites as cable anodes in cathodic protection

  Publikacja

  • K. Darowicki
  • J. Orlikowski

  - SCIENCE AND ENGINEERING OF COMPOSITE MATERIALS - Rok 2002

  Opisano zasadę działania oraz podstawowe parametry charakteryzujące układ anodowy z wykorzystaniem anod kablowych w systemie ochrony katodowej podziemnych konstrukcji. W tej metodzie ochrony jako materiał anodowy wykorzystywany jest kompozyt przewodzący, którego właściwości mechaniczne umożliwiają budowę anody w formie kabla biegnącego wzdłuż trasy konstrukcji podziemnej. Wykazano, że zawartość grafitu w elektrodzie kompozytowej...

  Pełny tekst do pobrania w portalu

• Elastostatic problems in multicomponent, multilayered periodic composites

  Publikacja

  • M. Wągrowska
  • V. Bagdasaryan
  • O. Szlachetka

  - Przegląd Naukowy Inżynieria i Kształtowanie Środowiska - Rok 2018

  Pełny tekst do pobrania w serwisie zewnętrznym

• Manufacturing of metal-polymer composites for medical applications

  Publikacja

  • A. Dobrzańska-Danikiewicz
  • T. Gaweł
  • M. Karska
  • T. Gawel

  - Archives of Materials Science and Engineering - Rok 2018

  Pełny tekst do pobrania w serwisie zewnętrznym

• Thermal and calorimetric investigations of titania–silica composites

  Publikacja

  • B. Charmas
  • J. Skubiszewska-Zięba
  • H. Waniak-Nowicka
  • B. Charmas

  - ADSORPTION SCIENCE & TECHNOLOGY - Rok 2017

  Pełny tekst do pobrania w serwisie zewnętrznym

• Quantitative analysis of the particles distributions in reinforced composites

  Publikacja

  • P. Kurtyka
  • N. Rylko

  - Composite Structures - Rok 2017

  Pełny tekst do pobrania w serwisie zewnętrznym

• Conductivity of Fibre Composites with Fractures on the Boundary of Inclusions

  Publikacja

  • N. Rylko
  • B. Krzaczek
  • V. Mityushev

  - MULTISCALE MODELING & SIMULATION - Rok 2013

  Pełny tekst do pobrania w serwisie zewnętrznym

• Edge effects for heat flux in fibrous composites

  Publikacja

  • N. Rylko

  - COMPUTERS & MATHEMATICS WITH APPLICATIONS - Rok 2015

  Pełny tekst do pobrania w serwisie zewnętrznym

• Renewable Resources for Polyurethanes and Polyurethane Composites: A Review

  Publikacja

  • J. T. Haponiuk
  • A. Hejna
  • Ł. Piszczyk
  • J. Datta
  • K. Formela

  - Rok 2017

  Each year, more than two million tons of polyurethane is produced in the EU by reacting isocyanates with polyols made from fossil fuel. In addition, there are appreciable quantities of petroleum based functional additives applied in the industry nowadays for both polyols and polyurethane materials. It is therefore of key importance to develop sustainable economically viable polyols with enhanced functionalities, and thereby reducing...

  Pełny tekst do pobrania w serwisie zewnętrznym

• Ceramic composites for single-layer fuel cells

  Publikacja

  • P. Winiarz
  • T. Miruszewski
  • S. L. Wachowski
  • K. Dzierzgowski
  • I. Szpunar
  • K. Zagórski
  • A. D. Mielewczyk-Gryń
  • M. Gazda

  - SOLID STATE SCIENCES - Rok 2020

  Composite materials consisting of acceptor doped lanthanum orthoniobate electrolyte phase (La0.98Ca0.02NbO4) and Li2O:NiO:ZnO semiconducting phase were synthesized. The precursor powder of La0.98Ca0.02NbO4 was prepared in nanocrystalline (mechanosynthesis) and microcrystalline (solid-state synthesis) form. The composite can be applied in a single-layer fuel cell, because of the presence of two phases acting as an anode and a cathode...

  Pełny tekst do pobrania w portalu

• Impact Behaviour of Glass Fribre /Epoxy Composites with Nano-Enhanced Resin after Water Exposure

  Publikacja

  • M. Landowski
  • K. Imielińska

  - Advances in Materials Science - Rok 2015

  Impact behaviour of glass fibre /epoxy composites with nano- SiO2 modified resin was studied in terms of low velocity impact after water exposure. Nanocomposites with 1%, 2%, 3% 5% 7% nano-SiO2 (Nanopox- Evonic) were investigated. Peak impact load and impact damage area as a function of nanoparticle contents were compared for dry specimens and for samples exposed to water (0.7 %wt. 1.7% water absorbed) at 1J, 2J 3J impact energies....

  Pełny tekst do pobrania w portalu

• Analysis of coplanar-type printed lines including parasitic effects of bonding wires between ground conductors

  Publikacja

  • T. Stefański
  • B. Janiczak

  - Rok 2006

  W pracy przedstwiono wyniki analizy propagacji sygnałów prostokątnych w strukturach sprzężonych falowodów koplanarnych z uwzględnieniem nieidealności połączeń pomiędzy przewodnikami masy. Wyniki analiz numerycznych dla wybranych struktur linii sprzężonych zweryfikowano pozytywnie w oparciu o rezultaty badań eksperymentalnych prowadzonych technikami czasowymi (TDR/TDT).

• Estimation of Failure Initiation in Laminated Composites by means of Nonlinear Six-Field Shell Theory and FEM

  Publikacja

  • B. Sobczyk

  - Rok 2018

  The monography deals with the problem of failure initiation in thin laminated composites. Known techniques of laminate structures modelling are briefly characterised. Eventually, shell based approach is chosen for the purpose of the description of the composite structures behaviour, as it predicts their deformation and states of stress effectively in a global sense. The nonlinear six parameter shell theory (6p theory) with asymmetric...

  Pełny tekst do pobrania w serwisie zewnętrznym

• GTR/NBR/Silica Composites Performance Properties as a Function of Curing System: Sulfur versus Peroxides

  Publikacja

  • Ł. Zedler
  • X. Colom
  • J. Cañavate
  • K. Formela

  - Materials - Rok 2021

  In this work, conventional sulfur and two types of organic peroxides (dicumyl peroxide (DCP) and di-(2-tert-butyl-peroxyisopropyl)-benzene (BIB)) curing systems were used to investigate the possibility for tailoring of the performance properties of GTR/NBR blends reinforced with a variable content of highly dispersive silica (0–30 phr). The curing characteristics, static mechanical and acoustical properties, swelling behavior,...

  Pełny tekst do pobrania w portalu

• Towards sustainable catalyst-free biomass-based polyurethane-wood composites (PU-WC): From valorization and liquefaction to future generation of biocomposites

  Publikacja

  • A. Olszewski
  • P. Kosmela
  • Ł. Piszczyk

  - JOURNAL OF CLEANER PRODUCTION - Rok 2024

  A substantial aspect of materials engineering lies in the responsible process of designing polymer-based materials. Due to environmental pollution, excessive consumption of natural resources, and increasing environmental awareness of society, there is a massive need for polyurethane (PU) materials with reduced environmental impact. To date, research on catalyst-free polyurethane-wood composites (PU-WC) has demonstrated a huge potential...

  Pełny tekst do pobrania w portalu

• Computer vision techniques applied for reconstruction of seafloor 3D images from side scan and synthetic aperture sonars data

  Publikacja

  • K. Bikonis
  • A. Stepnowski
  • M. Moszyński

  - Rok 2008

  The Side Scan Sonar and Synthetic Aperture Sonar are well known echo signal processing technologies that produce 2D images of the seafloor. Both systems combines a number of acoustic pings to form a high resolution image of seafloor. It was shown in numerous papers that 2D images acquired by such systems can be transformed into 3D models of seafloor surface by algorithmic approach using intensity information, contained in a grayscaled...

• Monitoring i diagnostyka nakładek stykowych kolejowych odbieraków prądu z wykorzystaniem systemu wizyjnego 3D

  Publikacja

  • L. Jarzębowicz
  • S. Judek

  - Przegląd Elektrotechniczny - Rok 2013

  Zaproponowano zastosowanie systemu wizyjnego z kamerą 3D do monitoringu nakładek stykowych kolejowych odbieraków prądu. Omówiono zasadę trójwymiarowego skanowania powierzchni obiektu z wykorzystaniem kamery oraz oświetlacza laserowego. Zweryfikowano dokładność pomiaru. Omówiono strukturę stanowiska pomiarowego usytuowanego na linii kolejowej. Przedstawiono wybrane wyniki skanowania oraz analizy stopnia zużycia nakładek stykowych.

  Pełny tekst do pobrania w serwisie zewnętrznym

• PLA–Potato Thermoplastic Starch Filament as a Sustainable Alternative to the Conventional PLA Filament: Processing, Characterization, and FFF 3D Printing

  Publikacja

  • A. Haryńska
  • H. Janik
  • M. Sienkiewicz
  • B. Mikolaszek
  • J. Kucińska-Lipka

  - ACS Sustainable Chemistry & Engineering - Rok 2021

  The growing popularity of the fused filament fabrication (FFF) 3D printing technology in science, industry, and in-home use is associated with an increased demand for high-quality polymer filaments. This study presents an in-depth characterization and analysis of a self-made bio-based polylactide (PLA)/thermoplastic potato starch (TPS) filament dedicated for the FFF 3D printing technology. The obtained results were compared with...

  Pełny tekst do pobrania w portalu

• Studies on novel BiyXz-TiO2/SrTiO3 composites: Surface properties and visible light-driven photoactivity

  Publikacja

  • M. Marchelek
  • E. Grabowska
  • T. Klimczuk
  • W. Lisowski
  • E. Giamello
  • A. Zaleska-Medynska

  - APPLIED SURFACE SCIENCE - Rok 2018

  A series of novel BiyXz-TiO2/SrTiO3 composites were prepared by multistep synthesis route. The asprepared photocatalysts were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), diffuse reflectance spectroscopy (DRS), Fourier transform infrared (FT-IR), Raman spectra and BET analysis. The photocatalytic activity test was performed in aqueous solution of phenol under...

  Pełny tekst do pobrania w serwisie zewnętrznym

• Analiza porównawcza 2D i 3D klasycznego i bezstykowego elektrycznego ogrzewania rozjazdów kolejowych

  Publikacja

  • M. Flis

  - Poznan University of Technology Academic Journals. Electrical Engineering - Rok 2016

  Elektryczne ogrzewanie rozjazdów jest istotnym problemem technicznym i ekonomicznym. Z tych względów istnieje potrzeba prowadzenia badań w celu optymalizacji systemu ogrzewania rozjazdów kolejowych. W niniejszym artykule przedstawiono wyniki analizy numerycznej układów ogrzewania rozjazdów kolejowych metodą klasyczną oraz z zastosowaniem grzejników odizolowanych termicznie od stopki szyny. Przeprowadzono analizę 2D i 3D rozpatrywanych...

  Pełny tekst do pobrania w portalu

• Aluminum-TiO2 NPs Composites as Non-precious Catalysts for Efficient Electrochemical Generation of Hydrogen

  Publikacja

  • M. Amin
  • E. Ahmed
  • N. Mostafa
  • M. Alotibi
  • G. Darabdhara
  • M. Das
  • J. Wysocka
  • J. Ryl
  • S. El-rehim

  - ACS Applied Materials & Interfaces - Rok 2016

  In this paper, we demonstrated, for the first time, aluminum titania nanoparticle (Al-TiO2 NP) composites with variable amounts of TiO2 NPs as nonprecious active catalysts for the electrochemical generation of H2. These materials were synthesized by mixing desired amounts of hydrogen titanate nanotubes (TNTs), fabricated here by a cost-effective approach at moderate hydrothermal conditions, with aluminum powder (purity 99.7%; size...

  Pełny tekst do pobrania w serwisie zewnętrznym

• Closing the loop: Upcycling secondary waste materials into nanoarchitectured carbon composites for the electrochemical degradation of pharmaceuticals

  Publikacja

  • M. Szopińska
  • J. Ryl
  • M. Pierpaoli

  - CHEMOSPHERE - Rok 2023

  In this study, we demonstrated the application of electrochemical oxidation as a safer and cleaner technology for minimizing the impact of pharmaceuticals in wastewaters, simultaneously mediated by upcycled secondary waste materials (SWMs)-derived electrodes, to further reduce their environmental impact. The modularity, scalability, ease of operation and reliability make electrochemical oxidation an ideal process for the destruction...

  Pełny tekst do pobrania w serwisie zewnętrznym

• Fire-Retardant Flexible Foamed Polyurethane (PU)-Based Composites: Armed and Charmed Ground Tire Rubber (GTR) Particles

  Publikacja

  • P. Kosmela
  • K. Sałasińska
  • D. Kowalkowska-Zedler
  • M. Barczewski
  • A. Piasecki
  • M. Saeb
  • A. Hejna

  - Polymers - Rok 2024

  Inadequate fire resistance of polymers raises questions about their advanced applications. Flexible polyurethane (PU) foams have myriad applications but inherently suffer from very high flammability. Because of the dependency of the ultimate properties (mechanical and damping performance) of PU foams on their cellular structure, reinforcement of PU with additives brings about further concerns. Though they are highly flammable and...

  Pełny tekst do pobrania w portalu

• Performance properties of rigid polyurethane-polyisocyanurate/brewers’ spent grain foamed composites as function of isocyanate index

  Publikacja

  • A. Hejna
  • J. T. Haponiuk
  • Ł. Piszczyk
  • M. Klein
  • K. Formela

  - E-POLYMERS - Rok 2017

  In the presented work, rigid polyurethane-polyisocyanurate (PUR-PIR) foams filled with brewers’ spent grain (BSG) were prepared. The influence of the isocyanate index (II) on its performance was investigated. Foams obtained with higher isocyanate index required a higher amount of hydrofluorocarbon physical blowing agent to provide the same apparent density of material. An increase of isocyanate index resulted in a slight decrease...

  Pełny tekst do pobrania w portalu

• Residue-Pole Methods for Variability Analysis of S-parameters of Microwave Devices with 3D FEM and Mesh Deformation

  Publikacja

  • M. Rahimzadeh Rufuie
  • A. Lamęcki
  • P. Sypek
  • M. Mrozowski

  - RADIOENGINEERING - Rok 2020

  This paper presents a new approach for variability analysis of microwave devices with a high dimension of uncertain parameters. The proposed technique is based on modeling an approximation of system by its poles and residues using several modeling methods, including ordinary kriging, Adaptive Polynomial Chaos (APCE), and Support Vector Machine Regression (SVM). The computational cost is compared with the traditional Monte-Carlo...

  Pełny tekst do pobrania w portalu

• Relationship between vortex structures and shear localization in 3D granular specimens based on combined DEM and Helmholtz-Hodge decomposition.

  Publikacja

  • J. Kozicki
  • J. Tejchman

  - GRANULAR MATTER - Rok 2018

  Relationship between vortex structures and shear localization in 3D granular specimens based on combined DEM and Helmholtz-Hodge decomposition. Granular Matter, doi:10.1007/s10035-018-0815-0, 2018.

  Pełny tekst do pobrania w portalu

• “Shadow” vs. “Phase 3D” method within endoscopic examinations of marine engines

  Publikacja

  • Z. Korczewski
  • J. Rudnicki

  - Combustion Engines - Rok 2013

  A visual investigation of surfaces creating internal, working spaces of marine combustion engines by means of specialized view-finders so called endoscopes is at present almost a basic method of technical diag-nostics. The surface structure of constructional material is visible during investigations like through the magnifying glass (usually with a precisely determined magnification), which makes possible a detection, recognition...

  Pełny tekst do pobrania w portalu

• Seven Different Lighting Conditions in Photogrammetric Studies of a 3D Urban Mock-Up

  Publikacja

  • K. Bobkowska
  • P. Burdziakowski
  • J. Szulwic
  • K. Zielińska-Dąbkowska

  - ENERGIES - Rok 2021

  One of the most important elements during photogrammetric studies is the appropriate lighting of the object or area under investigation. Nevertheless, the concept of “adequate lighting” is relative. Therefore, we have attempted, based on experimental proof of concept (technology readiness level—TRL3), to verify the impact of various types of lighting emitted by LED light sources for scene illumination and their direct influence...

  Pełny tekst do pobrania w portalu

• Modelowanie 3D zabytkowego obiektu sakralnego za pomocą stacjonarnego skaningu laserowego na podstawie analizy światła naturalnego

  Publikacja

  • P. Tysiąc
  • A. Sieńska
  • M. Tarnowska
  • P. Kędziorski
  • M. Jagoda

  - Materiały Budowlane - Rok 2022

  Technologia skanowania laserowego jest powszechnie stosowana w inwentaryzacji obiektów kultury. Ciągły wzrost technologiczny pozwala na wykorzystanie złożonych modeli cyfrowych 3D przez coraz większą liczbę odbiorców. Jedną z odmian zastosowania modeli jest tzw. HBIM (HistoricalBIM/ HeritageBIM). W artykule skupiliśmy się na pierwszym z etapów zarządzania takim projektem, jak inwentaryzacja. Celem pracy jest określenie przydatności...

  Pełny tekst do pobrania w portalu

• 3D Hierarchical Boron-Doped Diamond-Multilayered Graphene Nanowalls as an Efficient Supercapacitor Electrode

  Publikacja

  • D. Banerjee
  • S. Kamatchi
  • D. Sujit
  • M. Ficek
  • B. Gourav
  • J. Ryl
  • D. Maheshwar Phase
  • M. Gupta
  • R. Bogdanowicz
  • I. Lin... i 3 innych

  - Journal of Physical Chemistry C - Rok 2019

  Synthesis of stable hybrid carbon nanostructure for high-performance supercapacitor electrode with long life-cycle for electronic and energy storage devices is a real challenge. Here, we present a one-step synthesis method to produce conductive boron-doped hybrid carbon nanowalls (HCNWs), where sp2-bonded graphene has been integrated with and over a three-dimensional curved wall-like network of sp3-bonded diamond. The spectroscopic...

  Pełny tekst do pobrania w portalu

• Comparison of 3D Point Cloud Completion Networks for High Altitude Lidar Scans of Buildings

  Publikacja

  • M. Kulawiak

  - PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING - Rok 2024

  High altitude lidar scans allow for rapid acquisition of big spatial data representing entire city blocks. Unfortunately, the raw point clouds acquired by this method are largely incomplete due to object occlusions and restrictions in scanning angles and sensor resolution, which can negatively affect the obtained results. In recent years, many new solutions for 3D point cloud completion have been created and tested on various objects;...

  Pełny tekst do pobrania w serwisie zewnętrznym

• One More Step Towards a Circular Economy for Thermal Insulation Materials—Development of Composites Highly Filled with Waste Polyurethane (PU) Foam for Potential Use in the Building Industry

  Publikacja

  • Ł. Kowalczyk
  • J. Korol
  • B. Chmielnicki
  • A. Mirowska
  • D. Chuchała
  • A. Hejna

  - Materials - Rok 2023

  The rapid development of the building sector has created increased demand for novel materials and technologies, while on the other hand resulting in the generation of a severe amount of waste materials. Among these are polyurethane (PU) foams, which are commonly applied as thermal insulation materials. Their management is a serious industrial problem, due to, for example, their complex chemical composition. Although some chemical...

  Pełny tekst do pobrania w portalu

• Constructing multifunctional nanofiller with reactive interface in PLA/CB-g-DOPO composites for simultaneously improving flame retardancy, electrical conductivity and mechanical properties

  Publikacja

  • X. Wen
  • Z. Liu
  • Z. Li
  • J. Zhang
  • D. Wang
  • K. Szymańska
  • X. Chen
  • E. Mijowska
  • T. Tang

  - COMPOSITES SCIENCE AND TECHNOLOGY - Rok 2020

  Pełny tekst do pobrania w serwisie zewnętrznym

• Application of 3D flow solver in education of students

  Publikacja

  • K. Kosowski

  - TASK Quarterly - Rok 2002

  Przedstawiono zastosowanie metod numerycznej mechaniki płynów w kształceniu studentów uczelni technicznej. Omówiono zastosowanie metod CFD jako narzędzia pomocnego w zrozumieniu zagadnień termodynamiczno-przepływowych stopni turbinowych, jak i w rozwiązywaniu zadań projektowych.

  Pełny tekst do pobrania w portalu

• 3D buckling analysis of a truss with horizontal braces

  Publikacja

  • M. Krajewski

  - Rok 2012

  The present research is devoted to the study of out-of-plane buckling of a truss with horizontal braces. The truss is a model of real roof truss scaled by factor ¼. A linear buckling and a non-linear analysis with geometric and material nonlinearity were carried out. The truss buckling and limit load for different stiffnesses and number of braces are found. Numerical analysis are verified by experiment. Threshold bracing stiffness...

• TIME SERIES DATA FOR 3D FLOOD MAPPING

  Publikacja

  • B. Wieczorek
  • A. Sobieraj-Żłobińska
  • T. Sidorowicz

  - Rok 2018

  Thanks to the ability to collect information about large areas and with high frequency in time areas threatened by floods can be closely monitored. The effects of flooding are socio-economic losses. In order to reduce those losses, actions related to the determination of building zones are taken. Moreover, the conditions to be met by facilities approved for implementation in such areas are determined. Therefore, satellite data...

  Pełny tekst do pobrania w serwisie zewnętrznym

• The development of the 3D printing technology in the Radom region

  Publikacja

  • J. Kotliński
  • K. Skrzek
  • A. Kęsy
  • A. Olszak

  - Mechanik - Rok 2017

  Pełny tekst do pobrania w serwisie zewnętrznym

• Emission of Particles and VOCs at 3D Printing in Automotive

  Publikacja

  • K. Tomasz
  • K. Remigiusz
  • B. Andrzej
  • G. Sebastian
  • K. Kazimierz
  • S. Glowinski

  - Rok 2019

  Pełny tekst do pobrania w serwisie zewnętrznym

• 3D Buckling Analysis of a Truss with Horizontal Braces

  Publikacja

  • P. Iwicki
  • M. Krajewski

  - Mechanics and Mechanical Engineering - Rok 2013

  The present research is devoted to the study of out–of–plane buckling of a truss with horizontal braces. The truss is a model of real roof truss scaled by factor 1=4. A linear buckling and a non–linear analysis with geometric and material non–linearity were carried out. The truss buckling and limit load for different stiffnesses and number of braces are found. Numerical analysis are verified by experiment. Threshold bracing stiffness condition...

  Pełny tekst do pobrania w portalu

• Image projection in Immersive 3D Visualization Laboratory

  Publikacja

  • A. Mazikowski
  • J. Lebiedź

  - Procedia Computer Science - Rok 2014

  In recent years, many centers in the world attempted to build a virtual reality laboratory. The main idea of such laboratory is to allow the user to “immerse” into and move in a computer-generated virtual world. In the paper, the underlying principles of the system of virtual reality (VR) are described. The selected implementations constructed by the research centers of the world are also presented. The cave automatic virtual environment...

  Pełny tekst do pobrania w portalu

• Epoxy Composites Filled with Natural Calcium Carbonate. 2. Epoxy Composites Obtained in the Presence of Monomethacrylic Derivative of Epidian-6 Epoxy Resin

  Publikacja

  • M. Bratychak
  • O. Astakhova
  • O. Shyshchak
  • M. Sienkiewicz
  • J. Kucinska-Lipka

  - Chemistry & Chemical Technology - Rok 2020

  Pełny tekst do pobrania w serwisie zewnętrznym

• Epoxy Composites Filled with Natural Calcium Carbonate. 1. Epoxy Composites Obtained in the Presence of Monoperoxy Derivative of Epidian-6 Epoxy Resin

  Publikacja

  • M. Bratychak
  • O. Astakhova
  • O. Shyshchak
  • O. Zubal
  • M. Sienkiewicz
  • O. Ivashkiv

  - Chemistry & Chemical Technology - Rok 2019

  Physico-mechanical properties of the products based on filled epoxy-oligomeric mixtures composed of Epidian-5 epoxy resin, oligoesteracrylate TGM-3 and monoperoxide derivative of Epidian-6 epoxy resin (PO) have been investigated. CaCO3 was used as a filler and polyethylene polyamine was a curing agent. The effect of PO and CaCO3 on the gel-fraction content and physico-mechanical properties was examined. Using a scanning electron...

  Pełny tekst do pobrania w portalu

• Surface sliding in human abdominal wall numerical models: Comparison of single-surface and multi-surface composites

  Publikacja

  • P. Bielski
  • I. Lubowiecka

  - Rok 2018

  Determining mechanical properties of abdominal soft tissues requires a coupled experimental-numerical study, but first an appropriate numerical model needs to be built. Precise modeling of human abdominal wall mechanics is difficult because of its complicated multi-layer composition and large variation between specimens. There are several approaches concerning simplification of numerical models, but it is unclear how far one could...

  Pełny tekst do pobrania w serwisie zewnętrznym

• Computationally Efficient Surrogate-Assisted Design of Pyramidal-Shaped 3D Reflectarray Antennas

  Publikacja

  • P. Mahouti
  • M. Belen
  • N. Calik
  • S. Kozieł

  - IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION - Rok 2022

  Reflectarrays (RAs) have been attracting considerable interest in the recent years due to their appealing features, in particular, a possibility of realizing pencil-beam radiation patterns, as in the phased arrays, but without the necessity of incorporating the feeding networks. These characteristics make them attractive solutions, among others, for satellite communications or mobile radar antennas. Notwithstanding, available microstrip...

  Pełny tekst do pobrania w serwisie zewnętrznym

• Comparison of classical Winter's bracing requirements of compressedtruss chord with stability analysis of 3D truss-model

  Publikacja

  • P. Iwicki

  - Rok 2009

  Most code requirements concerning bracing are based on principles developed by Winter. The present research is devoted tostudy a lateral buckling of truss with linear elastic side supports. The classical Winter's model of truss chord in the case ofout of the truss plane buckling is compared with nonlinear analysis of 3D truss model. Full bracing condition, that permitsthe truss chord to support load level corresponding to an unbraced...

• Modification of cement-ash composites with steel fibre addition

  Publikacja

  • A. Rudziński
  • A. Małasiewicz

  - Rok 2003

  Praca zawiera wyniki badań kompozytów cementowo-popiołowych, w których popiół zastosowano jako częściowy zamiennik cementu. Do kompozytów dodano niewielkie ilości dwóch rodzajów włókien stalowych. Zbadano właściwości techniczne kompozytów. Wytrzymałości kompozytów cementowo-popiołowych z włóknami stalowymi w stosunku do wytrzymałości kompozytów bez włókien po wszystkich okresach wiązania i twardnienia były wyższe od kilku do kilkudziesięciu...