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43 articles for “ceramic”
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Research ArticleOpen accessIn the abstractDielectric Properties of Ni0.2Zn0.8Fe2O4-Polypropylene CompositesTan Foo Khoon, Jumiah Hassan, Nurhidayaty Mokhtar et al.Problem statement: In the last decade, the studies and investigation on polymer-based composites have drawn significant attention owing to improvement in their mechanical, thermal, electrical, optical and pharmaceutical properties as compared with pure polymer. Approach: Different compositions of Ni0.2Zn0.8Fe2O4 (NZF) and Polypropylene (PP) can alter the useful properties of polymer-based composites. Hence, the determination toward significant percentage of NZF added … …American Journal of Applied Sciences, Vol. 7, Issue 9 · 30 Sep 2010 · 7,947 accessesView PDFCite
Research ArticleOpen accessIn the abstractSurface Modification of Mild Steel Using Tungsten Inert Gas Torch Surface CladdingS. Dyuti, S. Mridha, S. K. ShahaProblem statement: There is an increasing demand for claddings which possess an optimized combination of different functional properties such as high hardness, high resistance to wear and oxidation. In this respect, hard TiAlN cladding has gained much attention. These claddings can be suitable replacements for the conventional ceramic coatings applied in many components of chemical plants and automotive industries to … …American Journal of Applied Sciences, Vol. 7, Issue 6 · 30 Jun 2010 · 8,144 accessesView PDFCite
Research ArticleOpen accessIn the abstractModification Approach of Fuzzy Logic Model for Predicting of Cutting Force When Machining Nickel Based Hastelloy C-276Basim A. Khidhir, Bashir Mohamed, Mahmoud A.A. YounisProblem statement: Most Nickel based Hastelloy C-276 is a difficult-to-machine material because of its low thermal diffusive property and high strength at high temperature. Machinability consideration of nickel based Hastelloy C-276 in turning operations has been carried out using ceramic inserts under dry conditions. Approach: This study described a modification approach applied to a fuzzy logic based model for predicting … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 1 · 31 Mar 2010 · 8,456 accessesView PDFCite
Research ArticleOpen accessIn the abstractSynthesis and Characterization of Hot-Roll and Cold-Roll Byproduct-Derived Strontium Hard FerritesH. S. Woon, K. P. Lim, N. Puteri et al.Problem statement: Ceramic permanent magnets or more commonly known as strontium hexagonal ferrites have been widely used in permanent magnetic materials as they provide high remanence, high coercivity, relatively high energy product and good chemical stability. In this study, we treated factory byproduct from hot-roll and cold-roll steel industry was used as raw material in synthesis of strontium hexagonal hard … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 4 · 31 Dec 2009 · 7,310 accessesView PDFCite
Research ArticleOpen accessIn the abstractPreparation of WO3 Nanoparticles Using Cetyl Trimethyl Ammonium Bromide Supermolecular TemplateNilofar Asim, S. Radiman, M. Ambar bin YarmoProblem statement: WO3 is one of the most interested metal oxides because of its application as catalysts, sensors, electrochromic devices, ceramic, solar cell, pigments and so on. More investigation is needed to find the good and low cost method for preparation of WO3 nanoparticles with uniform morphology and narrow distribution using a surfactant mediated method. Approach: In this study, the … …American Journal of Applied Sciences, Vol. 6, Issue 7 · 31 Jul 2009 · 7,699 accessesView PDFCite
Research ArticleOpen accessIn the abstractDegradation of High Voltage Polymeric Insulators in Arid Desert's Simulated Environmental ConditionsYasin KhanProblem statement: High Voltage (HV) polymeric insulators are replacing ceramic insulator commonly used for HV outdoor networks due to their ease of handling, reliability and cost. However, their long term performance and reliability are major concerns to power utilities. Approach: To investigate their performance in arid desert's conditions, two types of HV composite insulators were aged as per International Electrochemical … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 2 · 30 Jun 2009 · 8,098 accessesView PDFCite
Research ArticleOpen accessIn the abstractElectrical, Structural, Magnetic and Transport Properties of Zn2 Ba Fe16 O27 Doped With Cu2+D. M. Hemeda, O. M. HemedaSeries of polycrystalline samples of Zn2-x Cux Ba Fe16 O27 were prepared by usual ceramic methods, where (x=0.0, 0.4, 0.6, 0.8, 1.0, 1.4) . X-ray analysis were obtained at room temperature using Coka with λ = 1.790A0 confirmed the presence of W-type hexaferrite phase structure . Saturation magnetization and hysteresis loops curves measurements at room temperature were studied as a … …American Journal of Applied Sciences, Vol. 5, Issue 4 · 30 Apr 2008 · 6,902 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Preparation and Investigation of Magnetic Properties of Magnesium Zinc ferritesA. Rittidech, N. Sinthorn, A. NoisaguanMg0.7Zn0.3Fe2O4 (MZF) is a ferrites material, displaying interesting magnetic properties. It has a wide range of magnetic coils and electronic devices. In this research, MZF ceramics was prepared by solid state reaction route and interested on sintering temperature that have effective on phase formation of MZF, microstruce and magnetic properties. The phase identification of ceramic ferrites was performed using X-ray … …American Journal of Applied Sciences, Vol. 5, Issue 2 · 28 Feb 2008 · 7,470 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Assessment of Compressive Size Effect of Plane Concrete Using Combination of Micro-Plane Damage Based Model and 3D Finite Elements ApproachM. Labibzadeh, S. A. Sadrnejad, M. NaisipourIn recent years, the material behavior dependence of laboratory concrete specimens built with the same concrete mixture under the same load conditions to their geometrical sizes is well established. This phenomenon which is observed not only in concrete but also in most quasi-brittle materials such as rock, ceramic or composite materials is now called as size effect. Many of the … …American Journal of Applied Sciences, Vol. 5, Issue 2 · 28 Feb 2008 · 7,005 accessesView PDFCite
Research ArticleOpen accessIn the abstractMagnetic Properties and Electrical Resistivity of Zr4+ Substituted Li-Zn FerriteA. A. Sattar, H. M. El-Sayed, W. R. Agami, A. A. GhaniThe effect of Zr-substitution on the physical and magnetic properties of Li0.3+0.5xZn0.4ZrxFe2.3-1.5xO4 ferrites (x=0.0, 0.01, 0.02, 0.03 and 0.05), prepared by the standard ceramic method, has been studied. It is found that the saturation magnetization increases up to x=0.02 and then it decreases. On the other hand, the initial permeability increased while the Curie temperature remained almost constant with increasing … …American Journal of Applied Sciences, Vol. 4, Issue 2 · 28 Feb 2007 · 8,340 accessesView PDFCite