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Sliding Wear, Slurry Erosive Wear and Corrosive Wear Behavior of Aluminium/SiCP Composite
M. Ramachandra1, K. Radhakrishna2
1
Dept. of Manufacturing Engineering, BMS College of Engineering, Karnataka, India
2
Dept. of Mechanical Engineering, BMS College of Engineering, Karnataka, India
An experimental investigation on the coefficient of friction between aluminum and steel
M. Javadi1, M. Tajdari2
1
Dept. of Mechanical Engineering, Azad Islamic University, Tehran, Iran
2
Faculty of Material and Manufacturing Technologies, Malek Ashtar University of Technology, Tehran, Iran
Cobalt nanoparticles processed by thermal decomposition of metal containing monomer
E. Sówka1, M. Leonowicz1, B. Andrzejewski2, A. D. Pomogailo3, G. I. Dzhardimalieva3
1
Faculty of Materials Science and Engineering, NanoCentre, Warsaw University of Technology, Poland
2
Institute of Molecular Physics PAS, Poznañ, Poland
3
Institute of Chemical Physics RAS, Chernogolovka, Russia
Carburization of Fe-Ni-Cr alloys at high temperatures
Anwar Ul-Hamid1, Hani M. Tawancy1, Said S. Al-Jaroudi2, Abdul-Rashid I. Mohammed1, Nureddin M. Abbas1
1
Center for Engineering Research, Research Institute, King Fahd University of Petroleum & Minerals, P. O. Box 1073, Saudi Arabia
2
Saudi Aramco, Tanajib, P. O. Box 65, Saudi Arabia
The progressive evolution from giant magnetoresistance to anisotropic magnetoresistance in CoNi-Al2O3 granular films
Changzheng Wang1, Yonghua Rong2, T.Y.Hsu (Xu Zuyao)2
1
Department of Physics, Liaocheng University, Liaocheng City, Shandong Province, 252000, P.R.China
2
School of Materials Science and Engineering, Shanghai Jiaotong University, Shanghai 200030, P.R.China
Dry sliding wear behavior of Al2219/SiCp metal matrix composites
S. Basavarajappa1, G. Chandramohan1, R. Subramanian2, A. Chandrasekar2
1
Department of Mechanical engineering
2
Department of Metallurgical engineering. PSG College of Technology, COIMBATORE-641 004. INDIA
Aquo-organic sol based F-doped SnO2 (Sn : F = 90 : 10) coatings on glass
Prasanta Kumar Biswas, Laxmikanta Dua, Arijit De, Tandrima Chaudhuri
Sol-Gel Division, Central Glass and Ceramic Research Institute, Kolkata, India
Synthesis and hardening of fluoralinite cement
Aras Kantautas, Danute Palubinskaite, Giedrius Vaickelionis
Faculty of Chemical Technology, Kaunas University of Technology, Kaunas, Lithuania
Influence of tribomechanical milling and activation of primary mixtures on the synthesis of calcium silicate hydrates
D. Palubinskaite, A. Kantautas
Faculty of Chemical Technology, Kaunas University of Technology, Kaunas, Lithuania
Characterization of sol-gel derived Yttrium Doped n-ZnO/p-Si Heterostructure
Neeru Kumar1, R. Kaur2, R. M. Mehra3
1
Department of Electronics, Sri Venkateswara College, University of Delhi, New Delhi, India
2
Department of Physics and Electronics, Deen Dayal Upadhayay College, University of Delhi, New Delhi, India
3
Department of Electronic Science, University of Delhi South Campus, New Delhi, India
Preparation and upconversion properties of Er3+,Yb3+:Y2Si2O7 nanocrystallites embedded in PVA polymer nanocomposites
D. Hreniak1, P. G³uchowski1, W. Strêk1, M. Bettinelli2, A. Koz³owska3, M. Koz³owski3
1 Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Wroc³aw, Poland
2 Dipartimento Scientifico e Tecnologico, Universita di Verona and INSTM, UdR Verona, Ca' Vignal, Verona, Italy
3 Wroc³aw University of Technology, Materials Recycling Center of Excellence, Wroc³aw, Poland
From the Editors
Jacek Ulañski1, Juliusz Sworakowski2
1Guest Editor
2Editor-in-Chief
Hydrogen atoms at the palladium surface, at the MgO surface and at the Pd-MgO metal-support boundary. Towards computer modelling of the spillover effect
W. M. Bartczak, J. Stawowska
Institute of Applied Radiation Chemistry, Technical University of £ód¼, £ód¼, Poland
Mechanism of adsorption in cylindrical nanopores. The roles of adsorbate-adsorbate interactions in stabilizing the adsorbed phase
B. Kuchta1, L. Firlej2
1Laboratoire des Matériaux Divisés, Revêtement, Electrocéramiques (MADIREL),
Université de Provence, Marseille, France
1Laboratoire des Colloides, Verres, Nanomatériaux (LCVN),
Université Montpellier II, Montpellier, France
Melting transitions of monolayers adsorbed in cylindrical nanopores
L. Firlej1, B. Kuchta2,
1Laboratoire des Colloides, Verres, Nanomatériaux (LCVN),
Université Montpellier II, Montpellier, France
2Laboratoire des Matériaux Divisés, Revêtement, Electrocéramiques (MADIREL),
Université de Provence, Marseille, France
Non-mononotonical behaviour of reaction diffusion front width. Simulation studies in frame of dynamic lattice liquid (DLL) model
P. Polanowski1, M. Kozanecki1, T. Pakula1,2
1Department of Molecular Physics, Technical University of £ód¼, £ód¼, Poland
2Max-Planck-Institute for Polymer Research, Mainz, Germany
Nanogel formation by intrachain radiation-induced cross-linking. Simulation and experiment
P. Ulañski1, S. Kad³ubowski1, J. K. Jeszka2,3
1Institute of Applied Radiation Chemistry, Technical University of £ód¼, £ód¼, Poland
2Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, £ód¼, Poland
3Department of Molecular Physics, Technical University of £ód¼, £ód¼, Poland
Structure-property relationships in brittle polymer networks modified by flexible cross-links
S. Kripotou1, P. Pissis1, E. Kontou2, A.M. Fainleib3, O. Grygoryeva3, I. Bey3
1Department of Physics, National Technical University of Athens, Athens, Greece
2Department of Mechanics, National Technical University of Athens, Athens, Greece
3Institute of Macromolecular Chemistry of the National Academy of Sciences of Ukraine, Kyiv, Ukraine
Abstract
Hybrid polycyanurate/polyoxytetramethylene glycol (PCN/PTMG) networks were prepared from PCN and PTMG (molar mass 1.000 g/mol) with 10, 20, 30 and 40 wt. % PTMG. The degree of incorporation of PTMG into the PCN network was determined by gel fraction measurements. Earlier morphological and thermal transition studies indicated a non-crystalline structure, considerable nanostructural heterogeneity and a wide dispersion of glass transition temperatures of the hybrid networks. The present paper reports on a continued investigation of structure-property relationships and employ dielectric techniques to focus on molecular dynamics. Two secondary relaxations of PCN, one secondary relaxation of PTMG and a single, broad α relaxation (dynamic glass transition) were detected in the hybrids. The α relaxation was studied in detail over wide ranges of temperature and frequency. The results were systematically analyzed in terms of time scale, relaxation strength and shape of the response, and are discussed in terms of plasticization, presence of nanostructural heterogeneities (composition fluctuations) and hybridization. A distinctly different behaviour, observed for the hybrid with 30% PTMG, is explained in terms of a more pronounced nanoheterogeneous structure. Finally, stress-strain measurements were performed and their results are discussed in terms of structure and molecular dynamics.
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Download article (PDF)Interpretation of light depolarization data in terms of polymer crystallinity
A. Ziabicki, B. Misztal-Faraj
Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw, Poland
Mesomorphic organisation of (2-hydroxypropyl)cellulose under the influence of silica networks
P. Wojciechowski1, T. Halamus1, U. Pietsch2
1Department of Molecular Physics, Technical University of £ód¼, £ód¼, Poland
2Physics, Siegen University, Fachbereich 7, Siegen, Germany
Conducting polymer films with new organic donor MDT-TSF: preparation and properties
A. Tracz1, A. Mierczyñska2, K. Takimiya3, T. Otsubo3, N. Niihara3, J. K. Jeszka1,2
1Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, £ód¼, Poland
2Department of Molecular Physics, Technical University of £ód¼, £ód¼, Poland
3Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, Higashi-Hiroshima, Japan
Photovoltaic effect in novel polysilane with phenothiazine rings and its blends with fullerene
A. Rybak, J. Jung, W. Ciesielski, J. Ulanski
Department of Molecular Physics, Technical University of £ód¼, £ód¼, Poland
