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Underwater friction stir welding of Al-Mg alloy: Thermo-mechanical modeling and validation
منشور في 2021"…To better understand the effects of the water environment, the results were compared with conventional friction stir welding (FSW) conditions. Thermal profile and surface heat flux results revealed that lower preheated area (PHA) at the leading edge (LE) decreased the total amount of frictional heat generation in the UFSWed joint. …"
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Simulation and experimental study of underwater dissimilar friction-stir welding between aluminium and steel
منشور في 2020"…The volume of fluid (VOF) modeling method was implemented to simulate the underwaterfriction-stir welding (FSW) process for dissimilar joining between aluminum and steel. …"
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Assessment of Urban Heat Islands Based on the Relationship Between Land Surface Temperature and Land Use/Land Cover in Greater Doha
منشور في 2020"…Overall there was an increase in built-up and vegetation, decrease in water and barren areas and complete loss of marsh land. …"
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Study on the effects of tool tile angle, offset and plunge depth on friction stir welding of poly(methyl methacrylate) T-joint
منشور في 2019"…Woven tissue structure joint line forms after friction stir welding of poly(methyl methacrylate) sheets. …"
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Microstructure, wear and corrosion characteristics of Cu matrix reinforced SiC–graphite hybrid composites
منشور في 2019"…Hardness was found to decrease with the addition of graphite due to its soft nature. …"
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Synthesis and characterization of stir casted Cu-ZrO2-Graphite hybrid metal matrix composites for thermal management structures
منشور في 2022"…The MMCs were prepared using stir casting technique. The composite material was developed for its application in thermal management structures. …"
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Structural and mechanical characterization of stir cast Al–Al2O3–TiO2 hybrid metal matrix composites
منشور في 2020"…Density of composite decreases due to variation of reinforcement and it shows low density after preheating. …"
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Phase, microstructure and tensile strength of Al–Al2O3–C hybrid metal matrix composites
منشور في 2020"…Hardness decreases due to variation of carbon since it has soft nature. …"
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Correlation of structural and mechanical properties for Al-Al2O3-SiC hybrid metal matrix composites
منشور في 2021"…Al2O3-SiC after that it decreases. Impact strength of hybrid composite has been increased with an increase in weight percentage of ceramic. …"
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Quality improvement can decrease blood delivery turnaround time: Evidence from a single tertiary-care academic medical center
منشور في 2018"…The transport time significantly decreased from an initial majority of > 15 mins duration, to a majority of < 15 mins transport time after the second audit; there was a 50% improvement in 30 mins response time; and the percentage of requests processed in < 10 mins were significantly higher after the second audit. …"
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Microstructural, tribological and compression behaviour of Copper matrix reinforced with Graphite-SiC hybrid composites
منشور في 2020"…Compressive strength of composites is tested using Universal testing machine and showed a decrease in value with increase in graphite content. …"
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Decreasing the use of edible oils in China using WeChat and theories of behavior change: study protocol for a randomized controlled trial.
منشور في 2018"…Accordingly, this study aims to design a pilot intervention to decrease the use of edible oils in Chinese households. …"
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Viscous Behavior of Dilute CMC Salt Solution Before and After Photodegradation
منشور في 2006"…Densities and solution viscosities of very dilute CMC salt solution before and after UV-irradiation have been measured. UV-irradiation of CMC decreases the values of density, specific, reduced and intrinsic viscosities, molar mass, hydrodynamic volume, expansion factor, real and ideal chain dimensions of CMC in solution. …"
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Structural, wear and thermal behaviour of Cu–Al2O3–graphite hybrid metal matrix composites
منشور في 2020"…Copper matrix composites with Al2O3–graphite reinforcement (0.5-0.5, 1.0-1.0, 1.5-1.5 and 2.0-2.0 wt%) were prepared by stir casting process. Phase, microstructure, density, hardness, wear, compressive strength and specific heat of prepared samples have been investigated. …"
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