Relevant bibliographies by topics / Stir casting assisted ultrasonic treatment processing

Academic literature on the topic 'Stir casting assisted ultrasonic treatment processing'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Stir casting assisted ultrasonic treatment processing"

1

Wang, X. J., N. Z. Wang, L. Y. Wang, X. S. Hu, K. Wu, Y. Q. Wang, and Y. D. Huang. "Processing, microstructure and mechanical properties of micro-SiC particles reinforced magnesium matrix composites fabricated by stir casting assisted by ultrasonic treatment processing." Materials & Design 57 (May 2014): 638–45. http://dx.doi.org/10.1016/j.matdes.2014.01.022.

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2

Gençer, Gökçe Mehmet, Fatih Kahraman, and Coşkun Yolcu. "Role of enhanced surface grain refinement and hardness improvement induced by the combined effect of friction stir processing and ultrasonic impact treatment on slurry abrasive wear performance of silicon carbide particle reinforced A356 composites." Materials Research Express 8, no. 12 (December 1, 2021): 126513. http://dx.doi.org/10.1088/2053-1591/ac3f5c.

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Abstract In this study, the slurry abrasive wear behavior of silicon carbide particle reinforced A356 composite alloy was investigated after the different surface mechanical attrition treatments. It is known that the aluminum matrix composites produced by the stir casting method have some deficiencies (e.g unfavorable microstructure formation, particle clustering, porosity formation, etc). These kinds of drawbacks of the composites adversely affect the surface mechanical properties of materials such as wear resistance. For this purpose, the surface properties of the silicon carbide reinforced A356 matrix composites fabricated through the stir casting method were improved by using friction stir processing (FSP) and ultrasonic impact treatment (UIT) in the study. The results indicated that a remarkable increase was observed in the hardness and wear resistance of the cast composite via FSP and ultrasonic impact treatment following friction stir processing (FSP + UIT). The hardness of the stir zone after FSP and FSP + UIT was determined as 82.7+−2 HV and 101.9 +−3 HV0.2, respectively. The stir zone showed a similar tendency also in slurry abrasive wear resistance. FSP increased the wear resistance in the stir zone at the rate of 33.9% while it was determined as 35.5% for FSP + UIT. The microstructural modification of the cast composite that occurred after FSP was clearly demonstrated via optical microscope and scanning electron microscopy (SEM) examinations. Enhanced grain refinement after FSP + UIT was indicated especially by x-ray diffraction analysis (XRD). According to the findings, it was observed that the application of ultrasonic impact treatment following the friction stir processing can be used to obtain an enhanced microstructure and extra hardness increment in the surface of the SiC reinforced A356 alloy, thus resulting in slurry abrasive wear resistance increment.
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3

Poovazhgan, L., S. C. Amith, A. Kali Avudaiappan, and P. Haripriya. "Influence of Particle Feeding Methods on Processing the AA6061/SiC Metal Matrix Nanocomposites." Applied Mechanics and Materials 787 (August 2015): 648–52. http://dx.doi.org/10.4028/www.scientific.net/amm.787.648.

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Aluminum alloy 6061 reinforced with 1.0 weight percentage of Silicon Carbide (SiC) nanoparticles were fabricated using the novel ultrasonic cavitation assisted stir casting approach. Three types of nanoparticle feeding mechanisms were attempted for fabricating the metal matrix nanocomposites. The fabricated nanocomposites were subjected to tension test, hardness test and scanning electron microscopic analysis. From the tested results, it was found that feeding the particles using Al foils followed by ultrasonic cavitation proved as a suitable method for obtaining the better mechanical properties of the fabricated nanocomposites. Scanning electron microscopy analysis confirmed the uniform dispersion SiC in Al matrix by capsule feeding method. Energy dispersive spectroscopy validates the incorporation of SiC in Al matrix.
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4

M. Vijaya Sekhar Babu, A. Rama Krishna, and K. N. S. Suman. "Improvement of Tensile Behaviour of Tin Babbitt by Reinforcing with Nano Ilmenite and its Optimisation by using Response Surface Methodology." International Journal of Manufacturing, Materials, and Mechanical Engineering 7, no. 1 (January 2017): 37–51. http://dx.doi.org/10.4018/ijmmme.2017010103.

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Metal Matrix Nanocomposites are made from conventional materials and alloys as matrix materials and had become prominent in improving the mechanical behaviour. In this paper, the authors have fabricated a Tin Babbitt particulate metal matrix nanocomposite reinforced with Ilmenite (FeTiO3). For systematic understanding or effect of processing parameters on the tensile behaviour, the central composite design of response surface methodology was used. Metal matrix nanocomposite was fabricated by using ultrasonic assisted stir casting technique. Stirring time, ultrasonic processing time, Wt.% of nanoparticles were taken as processing parameters. The objective of the work is to improve the tensile behaviour of Tin Babbitt and understand the effect of processing parameters on the tensile strength of the Tin Babbitt metal matrix nanocomposite and then optimise it for maximum tensile strength. It was found that tensile strength was improved due to the nano reinforcement.
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5

Banerjee, Sudip, Prasanta Sahoo, and J. Paulo Davim. "Tribological characterisation of magnesium matrix nanocomposites: A review." Advances in Mechanical Engineering 13, no. 4 (April 2021): 168781402110090. http://dx.doi.org/10.1177/16878140211009025.

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Magnesium matrix nanocomposites (Mg-MNCs) are high grade materials widely used in aerospace, electronics, biomedical and automotive sectors for high strength to weight ratio, excellent sustainability and superior mechanical and tribological characteristics. Basic properties of Mg-MNCs rely on type and amount of reinforcement and fabrication process. Current study reviews existing literatures to explore contribution of different parameters on tribological properties of Mg-MNCs. Effects of particle size and amount of different reinforcements like SiC, WC, Al2O3, TiB2, CNT, graphene nano platelets (GNP), graphite on tribological behaviour are discussed. Incorporation of nanoparticles generally enhances properties. Role of different fabrication processes like stir casting (SC), ultrasonic treatment casting (UST), disintegrated melt deposition (DMD), friction stir processing (FSP) on wear and friction behaviour of Mg-MNCs is also reviewed. Contributions of different tribological process parameters (sliding speed, load and sliding distance) on wear, friction and wear mechanism are also examined.
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6

Shen, M. J., M. F. Zhang, and T. Ying. "Microstructures, interface structure and room temperature tensile properties of magnesium materials reinforced by high content submicron SiCp." Science and Engineering of Composite Materials 26, no. 1 (January 28, 2019): 388–93. http://dx.doi.org/10.1515/secm-2019-0025.

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AbstractThe present work aims to research the treatment processing of magnesium reinforced with 1 μmsilicon carbide particle (SiCp) using stir casting combined by ultrasonic vibration. Present studies have been done on six different materials: (a) AZ31B alloy without particles, (b) 5 vol.% SiCp/AZ31B composites fabricated with different semi-solid stirring time (5 min, 10 min, 15 min and 20 min), (c) composite with 20 vol.% SiCp. The effects of 1 μm/SiCp pretreatment and stirring time on microstructure and interfacial wettability as well as mechanical properties of the materials were confirmed. Both short and long stirring time for the particle dispersion brought particle agglomeration. Results of SEM microstructure and tensile properties exhibited that the optimal stirring parameters of 625 °C/1500 rpm/15 min are exploited, and 20 vol.% SiCp/AZ31B composite was fabricated by the optimal stirring parameters. The application of optimal stirring parameters for the treatment resulted in homogeneous particle distribution. The addition of SiCp leads to a reduced matrix grain, and 20 vol.% SiCp/AZ31B composite showed smaller grain size than. 5 vol.% SiCp/AZ31B composite. The interface between SiCp and matrix is clear and interfacial wettability well. Tensile test results show that with increasing SiCp content, strengths increase while ductility decreases.
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7

Rao, D. Rognatha, and C. Srinivas. "Empirical Modelling and Multi-Objective Optimisation of Laser Micro Machining on Magnesium Alloy AS21-SiC Metal Matrix Composite." Annales de Chimie - Science des Matériaux 46, no. 5 (December 14, 2022): 259–71. http://dx.doi.org/10.18280/acsm.460505.

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Micromachining techniques are now being used more frequently as a result of miniaturization. This technique has been supported by the requirement for material processing at an affordable cost and microatomic resolution in numerous sectors. Laser micromachining is a precise, non-contact method of machining that is used to create tiny, up to 500 m, components. The small elemental areas are the focus of laser ablation, which helps absorb a high amount of energy. In this micro-machining, metal removal rate and surface finish are represented by the deepness of the groove and the height of the recast layer. While machining, a layer called a recast layer forms on the work piece surface as a result of the tremendous heat generated, and this layer is damaging to the component's surface quality. For accurate applications, the recast layer must be as tiny as possible. As a result, the objective functions are the height of the recast layer and the deepness of the groove. Experiments designed by the DOE are used to generate empirical models. For each experimental run present in the matrix, the specified input parameter combination is set and the work piece is machined accordingly. The response surface methodology based on mathematical modeling and analysis of the machining properties of a pulsed Nd: YAG laser during micro-grooving operation on a work piece of Magnesium Silicon Alloy metal matrix composite is the focus of this research study. Initially, magnesium alloy AS21-SiC metal matrix composites are manufactured with Ultrasonic pro assisted stir casting. For the machined samples, the deepness of the groove and the height of recast layer will be measured by an optical measuring microscope. Consequently, the measured data is used by the GP to develop the mathematical models. In this work, an efficient GA-based genetic algorithm (NSGA-II) is applied to obtain the optimal parameters. As the chosen objectives are conflicting in nature, the problem is formulated as a multi-objective optimization problem.
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8

Ma, Lin, Changzhuang Zhou, Yao Shi, Qinghe Cui, Shude Ji, and Kang Yang. "Grain-Refinement and Mechanical Properties Optimisation of A356 Casting Al by Ultrasonic-Assisted Friction Stir Processing." Metals and Materials International, April 5, 2021. http://dx.doi.org/10.1007/s12540-020-00952-x.

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9

Kumar, Dinesh, and Lalit Thakur. "A study of processing and parametric optimization of wear-resistant AZ91-TiB2 composite fabricated by ultrasonic-assisted stir casting process." Surface Topography: Metrology and Properties, May 17, 2022. http://dx.doi.org/10.1088/2051-672x/ac7065.

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Abstract In the present research, a lightweight and wear-resistant TiB2 reinforced AZ91D Mg metal matrix composite was developed using an ultrasonic-assisted stir casting process for aerospace and automobile applications. Stirrer speed, ultrasonic power, and TiB2 reinforcement concentration were considered the input process parameters, which were optimized with the help of Taguchi's L9 orthogonal array, followed by grey relational analysis to develop the composite with high hardness and wear resistance. Pin-on-disc sliding wear testing was conducted to evaluate the wear resistance of the composites fabricated at different process parameter settings. SEM, EDS, and XRD examined the microstructure, wear mechanisms, elemental composition, and different phases in the developed composites. The microhardness of the specimens was determined using a Vickers microhardness tester. The results revealed that the process parameter setting with a stirrer speed of 400 rpm, 1500 W of ultrasonic power, and 3 wt.% of TiB2 reinforcement concentration had the highest grey relational grade, which resulted in the development of a composite material exhibiting the high microhardness and minimum wear. The microstructural investigation revealed that the ultrasonic agitation of the liquid melt resulted in nearly uniform dispersion of the TiB2 reinforcement particulates in the composite. During the sliding wear test, the material removal in the composite specimens occurred due to the adhesion, oxidation, delamination, pull-out of reinforcement particles, and eruption of the Mg alloy matrix.
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10

Mohan, Pankaj, and Alakesh Manna. "Fabrication and Processing of Bioabsorbable Hybrid Zn/(Ag + Fe + Mg)-MMC on Developed Ultrasonic Vibration-Assisted Argon Atmosphere Stir Casting Set-up." Arabian Journal for Science and Engineering, October 14, 2021. http://dx.doi.org/10.1007/s13369-021-06205-2.

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