Materials engineering topic list of research papers
-
CuO-based sintering aids for low temperature sintering of BaFe12O19 ceramics
Abstract This paper describes the effect of addition of 2wt% of CuO, 30mol% BaO–70mol% CuO and BaCuO2 liquid phase sintering aids on the densification, microstructure and magnetic properties of BaFe12O19 ceramics. Addition of the sintering aids...
2013 / Hung Vu, Dieu Nguyen, John G. Fisher, Won-Ha Moon, Seok Bae, et al. -
The Use of Artificial Neural Networks as a Component of a Cell-based Biosensor Device for the Detection of Pesticides
Abstract The present study describes an artificial neural network (ANN) system that uses a cell-based biosensor based on the Bioelectric Recognition Assay (BERA) methodology, for the detection and classification of pesticide residues in food...
2012 / K.P. Ferentinos, C.P. Yialouris, P. Blouchos, G. Moschopoulou, V. Tsourou, et al. -
Preparation of calcium phosphate cement with an improved setting behavior
Abstract In the aim of the development of a calcium phosphate cement (CPC) that allows a sufficiently long kneading time at room temperature while sets promptly at a physiological temperature, the powder components of a CPC of a TeTCP–α-TCP–DCPD...
2013 / Hidero Unuma, Yuta Matsushima -
Enhanced strength and ductility of Mg–Gd–Y–Zr alloys by secondary extrusion
Abstract The Mg–12Gd–3Y–0.6Zr (GW123, wt.%) alloy was prepared by cast, and thermo-mechanically treated by single and secondary hot extrusion techniques. The microstructure, texture and mechanical properties of the extruded alloy were investigated....
2013 / X. Li, W. Qi, K. Zheng, N. Zhou -
Investigation of Copper/Gold Laser Seam Welding for Targets Manufacturing
Abstract Targets dedicated to high power lasers experiments require accurate and reliable manufacturing technologies. In that frame, laser micro-welding represents a potential powerful tool for targets assembly. The feasibility of joining highly...
2013 / R. Bourdenet, I. Geoffray, C. Chicanne, V. Brunet -
Alginate/Aloe Vera Hydrogel Films for Biomedical Applications
Abstract This paper describes a methodology to produce hydrogel films, composed of alginate and Aloe vera, for wound healing and drug delivery applications. The films were prepared through the solvent-casting method and subsequently submitted to an...
2013 / Rúben Pereira, Ausenda Mendes, Paulo Bártolo -
A Research on the Retention of the Experiments Done in Science and Technology Course for Primary School Students
Abstract Learning by doing and experiencing, in other words, learning by doing experiments, is one of the principal methods in science and technology teaching, this is a qualitative study which was conducted to determine to what extent the 5th and...
2012 / Sevgul Calis, Yeter Simseklf -
Microstructure and mechanical properties of Nb–Si alloys fabricated by spark plasma sintering
Abstract This paper deals with microstructural evolutions and mechanical properties of Nb–Si binaries containing dual-phase Nb/Nb5Si3 with Nb to Nb5Si3 fraction ratios of 90:10, 80:20, 70:30 and 50:50, prepared by spark plasma sintering (SPS). Dense ...
2013 / Wei Liu, Yongming Fu, Jiangbo Sha -
Temperature field measurement as quality assurance measure in case of laser material processing
Abstract The paper presents the results of the development of a new real-time quality assurance sensor. The Temperature Field Sensor is capable to offer a more direct interpretation of the monitoring results in correlation with the processing...
2010 / Marius Jurca, Hans-Jürgen Langer -
Magnetic and structural characterizations of Fe80Cr10Si10 alloy obtained by mechanical alloying
Abstract The Fe80Cr10Si10 alloy was synthesized from the milling of a mixture of pure elements of Fe, Cr, and Si powders for various times up to 15h. Characterizations of the milled powders were carried by X-ray diffraction, a vibratory sample...
2010 / Z. Bensebaa, B. Bouzabata, A. Otmani, A. Djekoun, A. Kihal, et al. -
Optimization of Greenhouse Climate Model Parameters Using Particle Swarm Optimization and Genetic Algorithms
Abstract In the world, the greenhouse culture is getting more and more developed to meet the needs of a more competitive market that is conditioned by very strict norms of quality. Greenhouse production systems are getting highly sophisticated but...
2011 / Abdelhafid Hasni, Rachid Taibi, Belkacem Draoui, Thierry Boulard -
Understanding the long-term chemical and mechanical integrity of cement in a CCS environment
Abstract Portland cement can play a major role in providing cost-effective, long-term zonal isolation for CO2 capture and storage (CCS) used to mitigate climate change. However, achieving zonal isolation with Portland cement under supercritical CO2...
2011 / Ashok Santra, Ronald Sweatman -
Synthesis and characterization of (Pani/n-si)solar cell
Abstract Polyaniline(PAni) doped with formic acid was synthesis by chemical polymerization method using ammonium persulphate as oxidizing agent. Polyaniline /n-silicon hetrojunction have been fabricated by spin coating of polyaniline onto n-type...
2011 / K.M. Zaidan, H.F. Hussein, R.A. Talib, A.K. Hassan -
Double Auction on International Transfer of Low-carbon Technology's price
Abstract We apply game theory to explore mechanisms promoting international transfer of low-carbon technologies under United Nations Framework Convention on Climate Change (UNFCCC). This article employs a model framework of double auction analyst...
2011 / ZHAO Jianna, YANG Jie -
RWE’s 450 MW IGCC/CCS project—Status and outlook
Abstract Since mid-2006, RWE Power has been planning the construction of a coal-based demonstration power plant with carbon capture, transport and storage. A combined-cycle gas turbine plant with integrated coal gasification (IGCC) was chosen as the ...
2009 / Werner Renzenbrink, Johannes Ewers, Dietmar Keller, Karl Josef Wolf, Wolfgang Apel -
A technique for drift compensation of an area-varying capacitive displacement sensor for nano-metrology
Abstract Area-varying capacitive displacement sensors can overcome the short measurable range of widely-used gap-varying sensors. However, the output signal of the area-varying sensor may have an apparent drift. The drift in the signal is thought to ...
2010 / Daesil Kang, Wongoo Lee, Wonkyu Moon -
FE analysis of a notched bar under thermomechanical fatigue using a unified viscoplasticity model
Abstract Z-mat software is used to implement the multiaxial form of the Chaboche unified viscoplastic constitutive equations into the Abaqus finite element (FE) code. Complex transient stress fields within a grade P91 steel notched bar specimen are...
2011 / D.W.J. Tanner, W. Sun, T.H. Hyde -
Growth characterization of vertically aligned carbon nanofibers on top of TiN buffer layer for nanoelectromechanical devices
Abstract Initial growth of vertically aligned carbon nanofibers (VACNFs) from Ni catalyst seeds in the range of 40 to 100 nm as fabricated using hole-mask colloidal lithography on top of reactively sputtered TiN is studied. We observe that the...
2010 / Farzan A. Ghavanini, Maria E.L. Damian, Damon Rafieian, Per Lundgren -
Fatigue cracks in a thermal-mechanically processed high-strength steel
Abstract Microstructure dependent fatigue cracks were observed in a thermo-mechanically processed flange shaft made of a low-alloyed steel in an annealed condition. In the cold-worked base material cracks develop from inclusions. There is no...
2010 / Angelika Brückner-Foit, Frank Zeismann, Benjamin Bode, Yibin Xue -
Multi Light Sources Enhancement using Double PANDA Ring Resonators
Abstract We propose the interesting results of light pulse propagation within a double PANDA ring resonator system. We use the technique of Finite Difference Time Domain (FDTD) which is implemented by the scientific programming method known as...
2011 / S. Songmuang, S. Punthawanunt, S. Mitatha, P.P. Yupapin