Relevant bibliographies by topics / HYBRID AA6063

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  2. Dissertations / Theses
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  4. Conference papers

Academic literature on the topic 'HYBRID AA6063'

Author: Grafiati
Published: 11 September 2023

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Journal articles on the topic "HYBRID AA6063"

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Agustín-Sáenz, Cecilia, Patricia Santa Coloma, Francisco J. Fernández-Carretero, Fabiola Brusciotti, and Marta Brizuela. "Design of Corrosion Protective and Antistatic Hybrid Sol-Gel Coatings on 6XXX AlMgSi Alloys for Aerospace Application." Coatings 10, no. 5 (April 30, 2020): 441. http://dx.doi.org/10.3390/coatings10050441.

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An inorganic–organic coating based on glycidyl-functionalized silica and zirconia was synthesized by sol-gel technology to protect three types of AlMgSi (6XXX series) alloys against corrosion in aerospace applications. Different parameters such as the solid content, the organic/inorganic ratio of the sols and the deposition conditions were studied with the aim to achieve a tradeoff between the corrosion protection, antistatic performance and low vacuum-induced outgassing. Those parameters directly influence the thickness and the density of the coatings, and therefore the barrier effect against corrosion and the contact electrical resistance, which are affected in opposite ways. To obtain a low contact electrical resistance, silver nanowires (NW) with a high aspect ratio were loaded in the sol-gel matrix with the aim to create a conductive path through the hybrid coating with a low concentration of NWs. The coatings were adapted for AA6063, AA6061 and AA6082, and they all showed an outstanding anti-corrosion performance in different artificial weathering tests, whereas electrochemical impedance spectroscopy permitted the identification of the most critical parameters affecting water uptake. An antistatic performance was demonstrated by the low contact electrical resistance of the coated AA6061 and AA6063 alloys, although the incorporation of NWs showed a detrimental effect on the corrosion protection compared with the unloaded coating.
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Öztürk, İsmail, and Burak Sercan Kaya. "Effect of heat-treatment on crash performance in bumper beam and crash box design and optimization of the system." Materials Testing 64, no. 6 (June 1, 2022): 768–79. http://dx.doi.org/10.1515/mt-2021-2134.

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Abstract Within the study’s scope, impact analyses of homogeneous bumper beam-crash box systems designed from AA6063-O, AA6063-T5, and AA6063-T6 materials and hybrid systems designed from combinations of these materials were made and compared in terms of energy absorption values. In designs where failure does not occur, the highest energy absorption value was obtained using the AA6063-T5 bumper beam and AA6063-O crash box system, and single and multi-objective optimization studies were conducted using this design. The optimal bumper system improved the crash performance of the structure. Accordingly, this bumper system can be used in vehicles to improve crashworthiness.
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Saravana Kumar, A., and P. Sasikumar. "Mechanical Properties of Multi Axially Forged Hybrid Composite." Applied Mechanics and Materials 813-814 (November 2015): 90–94. http://dx.doi.org/10.4028/www.scientific.net/amm.813-814.90.

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This work investigated the influence of multi axial forging (MAF) on the microstructure and mechanical properties of AA6063/Al2O3/Gr hybrid composite. It reveals that the effectiveness of forged composite exhibited better mechanical properties. The AA6063 reinforced with Al2O3 and 1 wt. % graphite (Gr) hybrid composite were fabricated using stir casting technique. The microstructure of the hybrid composite was examined using optical microscope. The mechanical properties in terms of hardness, flexural strength and compression strength were investigated. It was observed that the mechanical properties of multi axially forged hybrid composite exhibited around 15, 7 and 5 times higher than unreinforced alloy, as-casted hybrid composite and as-hardened hybrid composite. These results revealed that the multi axially forged hybrid composite would be well suited for high strength applications.
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Arun, K. S., T. Panneerselvam, and S. Raghuraman. "Study on Mechanical Properties of Aluminium Based Metal Matrix Composites by Hybrid Reinforcement." Applied Mechanics and Materials 813-814 (November 2015): 116–20. http://dx.doi.org/10.4028/www.scientific.net/amm.813-814.116.

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Now a day’s Hybrid Metal Matrix composites has a large number of applications in automobiles, aircrafts and structural applications like brake rotors, engine parts and cylinder liners. The aim of this study is to determine the mechanical properties of boron carbide (B4C) and zirconium silicate (ZrSiO4) particulate reinforced with AA6063 alloy composites. In this experimental study, B4C and ZrSiO4 particulates reinforced with AA6063 composites were manufactured by stir casting technique. Mechanical properties of these composite materials were investigated by different weight percentages, 3%, 6%, 9% of boron carbide (B4C) and 9%, 6%, 3% of zirconium silicate (ZrSiO4) respectively. The mechanical properties evaluation reveals variations in hardness and the tensile strength values with the composite combinations investigated in this work. From the experimental studies, the optimum volume fraction of hybrid reinforcement in AA6063 alloy on the basis of mechanical properties and SEM analysis is also determined.
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Aziz, M. Abdel, T. S. Mahmoud, Z. I. Zaki, and A. M. Gaafer. "Heat Treatment and Wear Characteristics of Al2O3 and TiC Particulate Reinforced AA6063 Al Alloy Hybrid Composites." Journal of Tribology 128, no. 4 (June 7, 2006): 891–94. http://dx.doi.org/10.1115/1.2345416.

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In this article, the heat treatment and dry sliding wear behavior of Al-based AA6063 alloy reinforced with both TiC and Al2O3 ceramic particles were studied. The particles were synthesized by self-propagating high temperature synthesis (SHS) technique. The prepared composite alloy contains 5vol.%Al2O3 and 5vol.% TiC particles. The composite alloy was prepared by vortex method. To attain the peak hardness values of the alloys, age hardening behavior of the monolithic alloy and also the composite alloy was investigated. The wear tests were performed at room temperature using a pin-on-disk type apparatus. The results showed that the addition of TiC and Al2O3 particles increases the hardness of the AA6063 Al alloy and at the same time accelerates the aging kinetics. The sliding wear properties of AA6063 Al alloy were significantly improved by the addition of TiC and Al2O3 particles.
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Adediran, Adeolu Adesoji, Francis Odikpo Edoziuno, Olanrewaju Seun Adesina, Kehinde Oluseun Sodeinde, Abiodun Babafemi Ogunkola, Goodness Adeola Oyinloye, Cynthia Chinasa Nwaeju, and Esther Titilayo Akinlabi. "Mechanical Characterization and Numerical Optimization of Aluminum Matrix Hybrid Composite." Materials Science Forum 1065 (June 30, 2022): 47–57. http://dx.doi.org/10.4028/p-m21wne.

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Hybridization of aluminium matrix composite is with a view to offset the properties deficient in one composite reinforcement. The present investigation involves a comparative study of AA6063 matrix composites with single reinforcement of Al2O3, SiC, graphene respectively and various hybridized proportions of the same reinforcements. Physical (density and %porosity) and mechanical (tensile strength, fracture toughness, %elongation, elastic modulus, etc.) properties of composites developed via solidification processing technique were evaluated. The porosity of all the composites falls below the maximum acceptable limit for cast metal matrix composite. Maximum values for UTS, %elongation and absorbed energy at maximum stress was obtained by hybrid composite with 4wt% Al2O3, SiC and 2wt% graphene, while the composite with the highest single reinforcement of graphene have the highest value for elastic modulus and fracture toughness. Numerical optimization results show that a matrix and hybrid reinforcements contents of AA6063 (91.413wt.%), SiC (3.679wt.%), Al2O3 (0.277wt.%), and graphene (4.632wt.%) respectively, will result in optimal values for the evaluated properties.
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Sharma, Ojasvi, Prateek Gupta, and Tarun Kumar. "Fabrication And Characterisation of AA6063-T6/SiC/Waste Bone Powder Using Electromagnetic Stir Casting." IOP Conference Series: Materials Science and Engineering 1248, no. 1 (July 1, 2022): 012076. http://dx.doi.org/10.1088/1757-899x/1248/1/012076.

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Abstract Electromagnetic stir casting (EMSC) is a highly effective process to produce the metal matrix composite (MMC) because of the uniform mixing of reinforcement with the matrix. The current research is to investigate AA6063-T6/2wt%SiC/5wt%WBP hybrid composite using Microstructure analysis, Field emission scanning electron microscopy (FESEM), X-ray diffraction analysis (XRD), Energy dispersive X-ray spectroscopy (EDS), Tensile strength and Hardness. Stirring time and speed is kept as constant parameter. Microstructure analysis reveals that there is uniform distribution of reinforcement in AA6063-T6 hybrid composite and no voids were observed. FESEM analysis shows that reinforcement have a good bonding with a small porosity. XRD analysis indicates that there are no unwanted contaminants found and Al3Ca shows the highest peak followed by Al2(CO3)3 and CaSiO3. It was concluded that mechanical properties are improved on adding the reinforcement, tensile strength by 22.4% and hardness by 31%.
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Reena Roy, R., Leninisha Shanmugam, A. Vinothini, Nirmala Venkatachalam, G. Sumathy, Bhavadharini Murugeshan, P. Mercy Rajaselvi Beaulah, and Gizachew Assefa Kerga. "Investigation of the Wear Behavior of AA6063/Zirconium Oxide Nanocomposites Using Hybrid Machine Learning Algorithms." Journal of Chemistry 2023 (May 18, 2023): 1–16. http://dx.doi.org/10.1155/2023/7571588.

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This research created hot-pressed composites of the AA6063 matrix with varying concentrations of ZrO2 (0.25, 0.5, and 1 wt %). At sliding speeds of 80, 120, and 150 mm/s, the wear performance of the specimen was studied at loads of 10 N, 15 N, 20 N, and 25 N. The authors analyzed the counter-face material, the wear debris, and the worn surfaces to learn about the wear mechanisms. Developing these three machine learning (ML) algorithms was to evaluate the ability to predict wear behavior using the same small dataset collected using varying test processes. A thorough examination of each model hyperparameter tuning phase was performed. The predictive performance was analyzed using several statistical tools. The most effective decision-making algorithms for this data collection were those based on trees. Predictions made by the decision tree algorithm for the test and validation measurements have an accuracy of 86% and 99.7%, respectively. The best model was picked out based on the results of the predictions.
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Jims John Wessley, G., A. Gaith Franklin, and S. J. Vijay. "Fabrication and Mechanical Characterization of Stir Cast AA6063-Borosilicate-Fly Ash Hybrid Metal Matrix Composites." International Journal of Engineering & Technology 7, no. 3.6 (July 4, 2018): 101. http://dx.doi.org/10.14419/ijet.v7i3.6.14949.

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This paper presents the development and characterization of aluminium alloy 6063 based metal matrix composite with varying combinations of fly ash and Borosilicate reinforcements. In the present work, the aluminium alloy 6063 (AA) is taken at a constant 84 vol% while the reinforcements Fly Ash (FA) and Borosilicate (B) are varied in the proportions of 2%, 4% 8%, 125 and 14%. Six samples were fabricated by stir casting and the mechanical properties were analyzed using tensile test, hardness test and wear test while the microstructure is analyzed by obtaining SEM and EDX images of the specimen. It is seen that both the reinforcements used in this study, increased the tensile and wear resistance of the alloy. The desirable mechanical and micro structural properties were found to be in the specimen with 84% AA, 14% FA and 2% B. The tensile strength of the aluminum alloy at this desirable combination is found to increase by 11.97%, ductility by 36.75% and the wear resistance by 62%. This metal matrix composite of AA6063 with fly ash and Borosilicate reinforcements can be used in automobile, aerospace and structural applications where wear resistance and tensile properties are mainly required.
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Sahoo, Priyabrata, Mantra Prasad Satpathy, Vishnu Kumar Singh, and Asish Bandyopadhyay. "Performance evaluation in CNC turning of AA6063-T6 alloy using WASPAS approach." World Journal of Engineering 15, no. 6 (December 3, 2018): 700–709. http://dx.doi.org/10.1108/wje-06-2017-0127.

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PurposeSurface roughness and vibration during machining are inevitable which critically affect the product quality characteristics. This paper aims to suggest the implementation of a multi-objective optimization technique to obtain the favorable parametric conditions which lead to minimum tool vibration and surface roughness of 6063-T6 aluminum alloy in computer numerically controlled (CNC) turning.Design/methodology/approachThe case study has been accomplished according to response surface methodology RSM’s Box–Behnken design (BBD) matrix using Titanium Nitride-coated Tungsten Carbide insert in a dry environment. As the experimental results are quite nonlinear, a second-order regression model has been developed for the responses (surface roughness and tool vibration) in terms of input cutting parameters (spindle speed, feed rate and depth of cut). The goodness of fit of the models has also been verified with analysis of variance (ANOVA) results.FindingsThe significance efficacy of input parameters on surface roughness and tool vibrations has been illustrated through multi-objective overlaid 3D surface plots and contour plots. Finally, parametric optimization has been performed to get the desired response values under the umbrella of weighted aggregate sum product assessment (WASPAS) method and verified confidently with confirmatory test results.Originality/valueThe results of this study reveals that hybrid RSM with WASPAS method can be readily applicable to optimize multi-response problems in the manufacturing field with higher confidence.
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Dissertations / Theses on the topic "HYBRID AA6063"

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Teixeira, Dilton Gonçalves [UNESP]. "Estudos da preparação de superfície da liga AA6063T5 e do desenvolvimento de revestimentos híbridos orgânico-inorgânicos a base de siloxano-PMMA para aplicação anticorrosiva." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/102551.

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Made available in DSpace on 2014-06-11T19:32:11Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-09-23Bitstream added on 2014-06-13T20:42:52Z : No. of bitstreams: 1 teixeira_dg_dr_araiq.pdf: 2545330 bytes, checksum: a6a1d20f601e5055143107f1be1c8ecb (MD5)
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Este trabalho está basicamente dividido em duas partes. A primeira está relacionada à limpeza da superfície da liga de alumínio AA6063T5 e sua influência na proteção contra a corrosão. A segunda parte se refere à preparação de revestimentos híbridos orgânicoinorgânico pelo processo sol-gel e deposição sobre a superfície da liga de alumínio por dipcoating. Três amostras de liga AA6063T5 foram investigadas: como recebida, debastada e polida mecanicamente e tratada quimicamente. O tratamento mecânico foi realizado utilizando lixas SiC de granulometria 320 a 4000 e o químico foi realizado utilizando uma solução aquosa contendo uma mistura de hidróxido, sulfato e cloreto de sódio. Todas as amostras foram caracterizadas fisicamente por difratometria de raios X (XRD), medidas de dureza, microscopia eletrônica de varredura (SEM) e microscopia óptica (MO), e por medidas de potencial de circuito aberto (OCP) e espectroscopia de impedância eletroquímica (EIS) em solução 3,5% NaCl. As imagens SEM mostraram que a presença de partícula intermetálicas na superfície da liga diminui após o tratamento químico comparado ao tratamento mecânico. Os resultados de EIS mostraram que o tratamento químico oferece maior resistência à corrosão do que as submetidas aos outros tratamentos, porque o ataque alcalino utilizado dissolveu a maioria dos precipitados contendo Fe ou Cu, elementos responsáveis por sítios catódicos. A lavagem com HNO3 pela qual passou a amostra tratada quimicamente provavelmente reforçou a camada de óxido, tornando a superfície da liga mais resistente ao ataque por cloreto. Os revestimentos híbridos foram somente depositados na liga que recebeu tratamento químico. Esses filmes híbridos foram preparados com tetraetoxi-silano (TEOS) e 3-metacriloxipropril trimetoxi silano (MPTS), pela hidrólise e policondensação em meio ácido seguido por...
This work is basically divided in two parts: the first one is related to the surface treatment of AA6063T5 aluminum alloy and its influence on the protection against corrosion. The second concerns to the preparation of organic-inorganic hybrid coatings by the sol-gel process that were deposited on the aluminum alloys by dip-coating. Three samples of AA6063T5 aluminum alloys were investigated, the as-received one, after mechanical and chemical treatment, respectively. The mechanical treatment was realized using SiC paper grades 320 to 4000 and the chemical one was done by an aqueous solution containing a mixture of sodium hydroxide, chloride and sulfate. All samples were physically characterized by X-ray diffractometry (XRD), hardness measurements, scanning electron microscopy (SEM) and optical microscopy (OM), and electrochemically by open circuit measurements (OCP) and electrochemical impedance spectroscopy (EIS) in 3.5% NaCl solution. The SEM images depicted that the presence of intermetallic particles on the alloy surface decreased after the chemical treatment compared to the mechanical one. The EIS results showed that the sample chemically treated possesses a higher corrosion resistance than those obtained using other procedures. EIS results showed that the chemically treated sample presented higher corrosion resistance than the ones submitted to other procedures. The alkaline treatment dissolves the great part of precipitates containing iron or copper, which are responsible by the cathodic sites formation. The washing of the sample with nitric acid solution after the alkaline treatment removes impurities from the surface and can give to the oxide layer higher resistance against the action of the chloride ion. The hybrid coatings were only deposited on the alloy that received the chemical treatment. Hybrid films containing tetraethoxysilane (TEOS) and 3-methacryloxypropyltrimetho... (Complete abstract click electronic access below)
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Teixeira, Dilton Gonçalves. "Estudos da preparação de superfície da liga AA6063T5 e do desenvolvimento de revestimentos híbridos orgânico-inorgânicos a base de siloxano-PMMA para aplicação anticorrosiva /." Araraquara : [s.n.], 2010. http://hdl.handle.net/11449/102551.

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Resumo: Este trabalho está basicamente dividido em duas partes. A primeira está relacionada à limpeza da superfície da liga de alumínio AA6063T5 e sua influência na proteção contra a corrosão. A segunda parte se refere à preparação de revestimentos híbridos orgânicoinorgânico pelo processo sol-gel e deposição sobre a superfície da liga de alumínio por dipcoating. Três amostras de liga AA6063T5 foram investigadas: como recebida, debastada e polida mecanicamente e tratada quimicamente. O tratamento mecânico foi realizado utilizando lixas SiC de granulometria 320 a 4000 e o químico foi realizado utilizando uma solução aquosa contendo uma mistura de hidróxido, sulfato e cloreto de sódio. Todas as amostras foram caracterizadas fisicamente por difratometria de raios X (XRD), medidas de dureza, microscopia eletrônica de varredura (SEM) e microscopia óptica (MO), e por medidas de potencial de circuito aberto (OCP) e espectroscopia de impedância eletroquímica (EIS) em solução 3,5% NaCl. As imagens SEM mostraram que a presença de partícula intermetálicas na superfície da liga diminui após o tratamento químico comparado ao tratamento mecânico. Os resultados de EIS mostraram que o tratamento químico oferece maior resistência à corrosão do que as submetidas aos outros tratamentos, porque o ataque alcalino utilizado dissolveu a maioria dos precipitados contendo Fe ou Cu, elementos responsáveis por sítios catódicos. A lavagem com HNO3 pela qual passou a amostra tratada quimicamente provavelmente reforçou a camada de óxido, tornando a superfície da liga mais resistente ao ataque por cloreto. Os revestimentos híbridos foram somente depositados na liga que recebeu tratamento químico. Esses filmes híbridos foram preparados com tetraetoxi-silano (TEOS) e 3-metacriloxipropril trimetoxi silano (MPTS), pela hidrólise e policondensação em meio ácido seguido por... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: This work is basically divided in two parts: the first one is related to the surface treatment of AA6063T5 aluminum alloy and its influence on the protection against corrosion. The second concerns to the preparation of organic-inorganic hybrid coatings by the sol-gel process that were deposited on the aluminum alloys by dip-coating. Three samples of AA6063T5 aluminum alloys were investigated, the as-received one, after mechanical and chemical treatment, respectively. The mechanical treatment was realized using SiC paper grades 320 to 4000 and the chemical one was done by an aqueous solution containing a mixture of sodium hydroxide, chloride and sulfate. All samples were physically characterized by X-ray diffractometry (XRD), hardness measurements, scanning electron microscopy (SEM) and optical microscopy (OM), and electrochemically by open circuit measurements (OCP) and electrochemical impedance spectroscopy (EIS) in 3.5% NaCl solution. The SEM images depicted that the presence of intermetallic particles on the alloy surface decreased after the chemical treatment compared to the mechanical one. The EIS results showed that the sample chemically treated possesses a higher corrosion resistance than those obtained using other procedures. EIS results showed that the chemically treated sample presented higher corrosion resistance than the ones submitted to other procedures. The alkaline treatment dissolves the great part of precipitates containing iron or copper, which are responsible by the cathodic sites formation. The washing of the sample with nitric acid solution after the alkaline treatment removes impurities from the surface and can give to the oxide layer higher resistance against the action of the chloride ion. The hybrid coatings were only deposited on the alloy that received the chemical treatment. Hybrid films containing tetraethoxysilane (TEOS) and 3-methacryloxypropyltrimetho... (Complete abstract click electronic access below)
Orientador: Assis Vicente Benedetti
Coorientador: Cecílio Sadao Fugivara
Banca: Celso Valentim Santilli
Banca: Patrícia Hatsue Suegama
Banca: Roberto Garcia
Banca: Adalgisa Rodrigues de Andrade
Doutor
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Santos, Luzia Rejane Lisboa. "Desenvolvimento de revestimentos híbridos siloxano-poli (metacrilato de metila) pelo processo sol gel dopados com molibdênio com aplicações anticorrosivas em liga de alumínio AA606T5." Universidade Federal de Sergipe, 2015. http://ri.ufs.br:8080/xmlui/handle/123456789/6116.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico
The corrosion problems in metallic alloys are frequent and occur in various industrial activities since construction to the food industry. The metallic corrosion will may worsen if the alloy is without protection proper and exposed to environment containing chlorides and sulfates or high humidity, typical environments of coastal cities and industrial areas. In this work, siloxane-poly(methyl methacrylate) (PMMA) hybrid coatings were prepared by dip-coating on the aluminum alloy AA6063T5. The hybrid sols were prepared from copolymerization of methyl methacrylate (MMA) and 3-methacryloxypropyltrimethoxysilane (MPTS) followed by acid-catalyzed hydrolysis/polycondensation of tetraethoxysilane (TEOS) and adition of molybdenum (VI) ions in amounts different. The research investigated the influence of different synthesis systems and the addition of molybdenum in the hybrid structure and efficiency of protection of the coated alloy. The structure of the hybrids were studied by 13C and 29Si Nuclear Magnetic Resonance , Small Angle X-Ray Scattering , X-ray Diffraction, Fourier Transform Infrared Spectroscopy and thermogravimetric analysis . The surface morphology of doped and undoped were evaluated by scanning electron microscopy and X ray Photoelectron Spectroscopy. Testing of corrosion in chloride environments electrochemical measurements were performed using the open circuit potential and Electrochemical Impedance Spectroscopy. The results showed different mechanisms of hydrolysis and condensation in accordance with the salt concentration in the medium. Increasing the salt concentration increased the polycondensation of the siloxane groups and improvement in the corrosion resistance of the hybrid coatings on the aluminum alloy, mainly when doped.
Os problemas de corrosão em ligas metálicas são frequentes e ocorrem nas mais variadas atividades industriais desde a construção civil à indústria alimentícia. A corrosão metálica poderá se agravar se a liga estiver sem a devida proteção e exposta a meios agressivos salinos de cloreto ou sulfetos, atmosfera salina ou umidade elevada, ambientes típicos de cidades litorâneas e áreas industriais. Nesse trabalho, revestimentos híbridos siloxano-poli (metacrilato de metila ) PMMA com adição de molibdênio foram desenvolvidos e depositados por dip-coating sobre a liga de alumínio AA6063T5. Os sóis híbridos foram sintetizados a partir da copolimerização entre os grupos metacrilato do Metacrilóxi Propil Trimetóxi Silano (MPTS) e MMA seguida da hidrólise/policondensação ácida dos sistemas Tetraetóxi-silano (TEOS), seguido da adição do molibdênio em diferentes concentrações. Foi investigado a influência dos diferentes sistemas de síntese e da adição do molibdênio na estrutura do híbrido e na eficiência da proteção da liga metálica revestida. A estrutura dos híbridos foi analisada por Ressonância magnética nuclear de 13C e 29Si, Espectroscopia infravermelho por transformada de Fourier, Difração de raios X e Análise termogravimétrica. A morfologia da superfície dos revestimentos dopados e não dopados foram analisados por Microscopia eletrônica de varredura e a estrutura do revestimento por espectroscopia de fotoelétrons de raios X. Ensaios de corrosão em ambientes de cloreto foram realizados utilizando medidas eletroquímicas de potencial de circuito aberto e Espectroscopia de Impedância Eletroquímica. Os resultados demonstraram diferentes mecanismos de hidrólise e condensação de acordo com a concentração do sal no meio. Aumentando a concentração de sal aumentou a policondensação dos grupos siloxano e melhorou a resistência contra à corrosão dos revestimentos híbridos na liga de alumínio, principalmente quando dopado.
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SINGH, JEETESHWAR. "FABRICATION AND MECHANICAL CHARACTERIZATION OF HYBRID AA6063/RED MUD/TI02 COMPOSITE." Thesis, 2021. http://dspace.dtu.ac.in:8080/jspui/handle/repository/19117.

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Composite materials are produced by adding two or more materials together. The materials that are included in composite have unique physical or chemical properties individually but when they are mixed together, the produced material has different properties unlike to individual elements.Aluminum Metal Matrix Composites (AMMC’s) are most popular composite material used in wide sectors such as automobiles, defense, aerospace etc. due to its properties like hardness, low density, non-magnetic, low maintenance and many more. AMMC’s are fabricated using various processes such as stir casting, diffusion bonding and Power Metallurgy (PM) process. Amongst all, stir casting is most economical and simpleprocess. Red mud is the waste by-product during the production of alumina from bauxite by the Bayer’s process. It is insoluble waste produced due to digestion of bauxite at high temperature and pressure. Utilization and disposal of red mud is a major environmental concern. To overcome that red mud is used as reinforcement in MMC (Metal Matrix Composite). Using red mud as reinforcement with Aluminum matrix improves the hardness of the Matrix Composite and shows the Composite characteristics.
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Book chapters on the topic "HYBRID AA6063"

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Gnanavelbabu, A., K. T. Sunu Surendran, and K. Rajkumar. "Performance Evaluation of Abrasive Water Jet Machining on AA6061-B4C-HBN Hybrid Composites Using Taguchi Methodology." In Lecture Notes on Multidisciplinary Industrial Engineering, 651–60. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9471-4_54.

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Kirar, Jitendra Singh, and Manish Kumar Sagar. "Multi-response Optimization of Friction Stir Welded Joint of AA6061 Using Hybrid GRA and PC Approach." In Lecture Notes in Mechanical Engineering, 163–74. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2349-6_14.

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Gnanavelbabu, A., V. Arunachalam, K. T. Sunu Surendran, K. Rajkumar, and E. Anandhababu. "Optimization of CO2 Laser Cutting Parameters for AA6061/B4C/hBN Hybrid Composites using Taguchi-based Response Surface Methodology." In Lecture Notes in Mechanical Engineering, 111–22. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4745-4_11.

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Kumar, Ashiwani, Amar Patnaik, Mukesh Kumar, Vikas Kukshal, M. J. Pawar, and Vikash Gautam. "Analysis of Mechanical and Sliding Wear Performance of AA6061–SiC/Gr/MD Hybrid Alloy Composite Using a PSI Approach for Rotor Applications." In Advanced Materials and Manufacturing Processes, 77–94. Boca Raton: CRC Press, 2021. http://dx.doi.org/10.1201/9781003093213-5.

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Natrayan, L., M. Senthil Kumar, and Mukesh Chaudhari. "Optimization of Squeeze Casting Process Parameters to Investigate the Mechanical Properties of AA6061/Al2O3/SiC Hybrid Metal Matrix Composites by Taguchi and Anova Approach." In Advanced Engineering Optimization Through Intelligent Techniques, 393–406. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-8196-6_35.

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Conference papers on the topic "HYBRID AA6063"

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Li, YongBing, ZeYu Wei, YaTing Li, ZhaoZhao Wang, and Xiaobo Zhu. "Friction Self-Piercing Riveting (F-SPR) of AA6061-T6 to AZ31B." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-64212.

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Implementation of lightweight low-ductility materials such as aluminum alloys, magnesium alloys and composite materials has become urgently needed for automotive manufacturers to improve the competitiveness of their products. However, the hybrid use of these materials poses big challenges to joining processes. Self-piercing riveting (SPR) is currently the most popular technique for joining dissimilar materials and has been widely used in joining all-aluminum and multi-material vehicle bodies. However, in riveting magnesium alloys, cracks always occur for its low ductility. In this paper, a hybrid joining process named friction self-piercing riveting (F-SPR), which combines mechanical joining mechanism of SPR with solid-state joining mechanism of friction stir spot welding (FSSW) by making rivet rotating at high speed in riveting process, was proposed aiming at joining the low ductility materials. 1-mm-thick AA6061-T6 and 2-mm-thick AZ31B were used to validate the effectiveness of the F-SPR process. The results showed that the F-SPR process could significantly improve the rivetability of magnesium alloys, and greatly increase the joint strength, comparing with traditional SPR process.
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Ascari, Alessandro, Alessandro Fortunato, Leonardo Orazi, Giampaolo Campana, and Giovanni Tani. "Investigation on Porosity Formation in AA6082 Hybrid Laser-GMAW Welding." In ASME 2010 International Manufacturing Science and Engineering Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/msec2010-34247.

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This paper refers to the results obtained in the investigation on bubbles formation in hybrid Laser-GMAW welding. Bead on plate weldings were obtained on 8 mm thick AA6082 plates and the process parameters investigated were: GMAW current, arc transfer mode and mutual distance between arc and laser sources. Bubbles were observed by means of X-ray inspection techniques and measured exploiting an image analysis software. Finally a correlation, based on analysis of variance, between process parameters and porosity formation is proposed.
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Jadamuni, Senthilkumar, P. Suresh Mohan Kumar, and M. Balasubramanian. "Analysis of mechanical and micro structural characteristics of AA6061/SiC/graphite hybrid composites with varying composition of reinforcement." In 3RD INTERNATIONAL CONFERENCE ON FRONTIERS IN AUTOMOBILE AND MECHANICAL ENGINEERING (FAME 2020). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0034425.

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Franke, Daniel J., Justin D. Morrow, Neil A. Duffie, Michael Zinn, and Frank E. Pfefferkorn. "Towards Improved Hybrid Joining of Aluminum Alloys to Carbon Fiber Composites With Friction Stir Welding." In ASME 2016 11th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/msec2016-8747.

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The current methods for welding aluminum alloys to carbon fiber composites rely heavily on the adhesive bond created when a melted polymer solidifies in contact with the aluminum surface. This bond may be improved by achieving mechanical interlocking of the carbon fibers and the aluminum alloy, so that load bearing fibers contribute to the bond strength. Friction Stir Welding (FSW) holds potential as a process to achieve such interlocking by locally heating and plasticizing the metal under significant load to cause infiltration of the metal into the carbon fiber weave. During preliminary investigations, AA6061-T6 was friction stir welded in contact with dry carbon fiber bundles, and the infiltration of aluminum into the fibers was measured. The results were compared to an accepted polymer infiltration model that was adapted for aluminum infiltration, giving promising initial agreement. This suggests that the plasticized aluminum in FSW can be treated as a fluid with an effective viscosity, and that well established polymer infiltration models can form the base of a metal composite FSW model.
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Öztoprak, Nahit. "Single-lap dissimilar joints between AA6061/SiC/20p and hybrid thermoplastic composites: In-plane impact strength and elastic energy during quasi-static indentation process." In 7th International Conference on Modern Approaches in Science, Technology & Engineering. Acavent, 2021. http://dx.doi.org/10.33422/7th.steconf.2021.06.332.

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PIWEK, A. "Investigation of the joining zone formation of impact extruded hybrid components by varied forming sequence and partial cooling." In Material Forming. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902479-64.

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Abstract. Hybrid material concepts enable the combination of beneficial properties of different materials to extend the limited potential of monolithic components. When it comes to steel and aluminium, a wear-resistant and a lightweight metal are combined to produce a weight-reduced high-performance component with load-adapted areas. A method to create hybrid gear shafts is a novel approach called Tailored Forming. The process chain consists of joining e. g. by friction welding and subsequent impact extrusion under elevated temperature. Before forming, an axial temperature gradient is set in the serial arranged semi-finished products to adjust the different yield stresses of the dissimilar materials through induction heating of the steel part. The subsequent forming is intended to positively influence the joining zone thermo-mechanically and geometrically. However, prior work indicated a limitation of the influence on the joining zone in forward rod extrusion. Therefore, approaches are being researched that enable a stronger formation of the joining zone geometry to influence the resulting bond qualities through surface enlargement. A forward rod extrusion process of friction welded hybrid semi-finished products made of 20MnCr5 (AISI 5120H) combined with EN AW-6082 (AA6082) was carried out experimentally. Complementary to prior investigations, in which mainly the aluminium section was reduced through the die angle followed by the steel, the forming sequence of the materials was reversed to increase the joining zone surface with variation of the forming path. Additionally, a cooling of the aluminium side was realized through an immersion cooling to adjust maximum temperature gradients and further equalize the different yield stresses. Hardness tests, metallographic and SEM images of cross-sections were taken to evaluate the bond quality with regard to the temperature influence, joining zone formation, occurring defects and the resulting intermetallic compound (IMC). Impact extrusion with initially steel formed followed by aluminium resulted in a spherical formation of the joining zone and consequently in greater surface area, but also lead to partial defects in the IMC. The partial cooling of the aluminium allowed higher temperature gradients to be set, thus reducing defects through improved material flow in the joining zone.
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