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45 articles for “corrosion”
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Research ArticleOpen accessIn the abstractMarine Slow-Speed Diesel Engine Diagnosis with View to Cylinder Oil SpecificationSergey Victorovich Sagin, Oleksandr Vladymyrovich SemenovThe possibility of marine slow-speed diesel engine cylinder-piston group diagnosis with view to the specification of waste oil taken from the under-piston space has been discussed. The specifics of using high-base cylinder oils in marine slow-speed diesel engines to prevent sulfur corrosion of the cylinders have been described. Typical challenges, arising in the process of using oils for lubricating the … …American Journal of Applied Sciences, Vol. 13, Issue 5 · 25 May 2016 · 7,812 accessesView PDFCite
Research ArticleOpen accessIn the abstractGEOPHYSICAL AND LABORATORY STUDIES OF THE SPREAD AND QUALITY OF THE ODUKPANI LIMESTONE DEPOSITT. E. Chidomerem, A. E. Akpan, I. O. AkpanThe Odukpani limestone deposit has been investigated using geophysical and laboratory techniques with the aim of generating information on its spread and quality. Information generated from the analyses of twenty-six Vertical Electrical Soundings (VES) and core drilling data were used in the study. The VES data were acquired in both grid and random patterns in the immediate area of the … …American Journal of Environmental Sciences, Vol. 10, Issue 4 · 20 Jun 2014 · 7,097 accessesView PDFCite
Research ArticleOpen accessIn the abstractPREPARATION OF ACTIVATED CARBON FROM PALM OIL SHELL BY CHEMICAL ACTIVATION WITH Na2CO3 AND ZnCl2 AS IMPRENATED AGENTS FOR H2S ADSORPTIONKanokorn HussaroHydrogen Sulfide (H2S, rotten-egg) is one of the major environmental pollutants having its sources in natural and anthropogenic activities. It’s had smell gas produced by anaerobic digestion in acid condition from organic and inorganic compounds containing sulphur, presents dual problems of its toxicity and foul ordour. One of methods of its removal is adsorption. Activated carbon is a widely used … …American Journal of Environmental Sciences, Vol. 10, Issue 4 · 17 Jun 2014 · 8,480 accessesView PDFCite
Research ArticleOpen accessIn the abstractComputer Machine Vision Inspection on Printed Circuit Boards Flux DefectsAng TeohOng, Zulkifilie Bin Ibrahim, Suzaimah RamliThe new visual inspection systems techniques using real time machine vision replace the human visual manual inspection on PCB flux defects, which brings harmful effects on the board which may come in the form of corrosion and can cause harm to the assembly. In short, it brings improvement in Printed Circuit Boards (PCB) production quality, principally concerning the acceptance or … …American Journal of Engineering and Applied Sciences, Vol. 6, Issue 3 · 28 Aug 2013 · 7,955 accessesView PDFCite
Research ArticleOpen accessIn the abstractElectric Field in Polymeric Isolators of the 500kV Voltage ClassVitor Chaves De Oliveira, Huederson Aparecido Botura Da Silva, Alexandre De Assis Mota, Lia Toledo Moreira MotaThis study presents a detailed study of the electric field in polymeric isolators of the 500kV voltage class through modifications in the dimensions of the anti-corona ring. That is, by varying the three dimensions of the anti-corona ring: height (h), distance of the anti-corona ring conductor (r) and the diameter of the anti-corona ring conductor (d); it was possible to … …American Journal of Applied Sciences, Vol. 10, Issue 6 · 12 Jun 2013 · 6,969 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluation of Mechanical Properties of Aluminium Alloy 2024 Reinforced with Silicon Carbide and Fly Ash Hybrid Metal Matrix CompositesM. Mahendra Boopathi, K.P. Arulshri, N. IyanduraiMaterials are frequently chosen for structural applications because they have desirable combinations of mechanical characteristics. Development of hybrid metal matrix composites has become an important area of research interest in Materials Science. In view of this, the present study focuses on the formation of aluminium-Sic-fly ash hybrid metal matrix composites. The present study was aimed at evaluating the physical properties … …American Journal of Applied Sciences, Vol. 10, Issue 3 · 8 Mar 2013 · 28,510 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Sintering Temperature Effect on the Shrinkage Behavior of Cobalt Chromium AlloyM. Ghazali Kamardan, N. Hidayah A. Zaidi, M. Noh Dalimin et al.Problem Statement: Co-Cr based alloys which is well known for its high Young’s modulus, fatigue strength, wear resistance and corrosion resistance is an important metallic bio-material. However, till date there are only two type of Co-Cr alloy which are the castable and wrought cobalt alloy. Powder Metallurgy route for cobalt is expected to give better result of Co-Cr alloy. The … …American Journal of Applied Sciences, Vol. 7, Issue 11 · 8 Nov 2010 · 7,792 accessesView PDFCite
Research ArticleOpen accessIn the abstractFlexural Behaviors of Damaged Full-Scale Highway Bridge Girder Strengthened by External Post TensionSayan Sirimontree, Jaruek TeerawongProblem statement: Prestressed Concrete (PC) I section girder with Reinforced Concrete (RC) topping slab has been widely applied to long span bridge girders for several years. A bridge girder is subjected to severe conditions caused by an aggressive environment and overloading. A crack can be initiated and propagate when the tensile stress exceeds the tensile strength of concrete due to … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 4 · 5 Nov 2010 · 8,670 accessesView PDFCite
Research ArticleOpen accessIn the abstractCharacterization of Bio-Oil: A By-Product from Slow Pyrolysis of Oil Palm Empty Fruit BunchesK. H. Khor, K. O. Lim, Z. A. ZainalProblem statement: Oil palm Empty Fruit Bunches (EFB) are abundant biomass in Malaysia. Studies about production of biofuels using slow pyrolysis of EFB are still lacking. So, this study was aimed to understand the physical and chemical properties of the bio-oil and its simple blends. Approach: EFB was slow pyrolysed with internal heating at terminal temperature of 600°C in a … …American Journal of Applied Sciences, Vol. 6, Issue 9 · 30 Sep 2009 · 8,016 accessesView PDFCite
Research ArticleOpen accessIn the abstractExperimental Modeling of Pile-Leg Interaction in Jacket Type Offshore Platforms Cyclic Inelastic BehaviorM.R. Honarvar, M.R. Bahaari, B. AsgarianOffshore platforms in seismically active areas should be designed to survive in the event of severe ground excitations with no global structural failure. The annulus between the pile and leg in jacket-type offshore platforms can be filled with cement grout as a means of reducing horizontal deflections, inhibiting corrosion and preventing local damages. This paper discusses an experimental approach which … …American Journal of Applied Sciences, Vol. 5, Issue 11 · 30 Nov 2008 · 7,004 accessesView PDFCite