Littérature scientifique sur le sujet « Ultrasonic; Magnetic abrasive »

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Articles de revues sur le sujet "Ultrasonic; Magnetic abrasive"

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Ma, Fujian, Ziguang Wang, Yu Liu, Zhihua Sha et Shengfang Zhang. « Machining Performance for Ultrasonic-Assisted Magnetic Abrasive Finishing of a Titanium Alloy : A Comparison with Magnetic Abrasive Finishing ». Machines 10, no 10 (6 octobre 2022) : 902. http://dx.doi.org/10.3390/machines10100902.

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Titanium alloys are widely used in aerospace, the military industry, electronics, automotive fields, etc., due to their excellent properties such as low density, high strength, high-temperature resistance, and corrosion resistance. Many components need to be finished precisely after being cut in these applications. In order to achieve high-quality and high-efficiency finishing of titanium alloys, ultrasonic-assisted magnetic abrasive finishing (UAMAF) was introduced in this research. The machining performance for UAMAF of a titanium alloy was studied by experimentally comparing UAMAF and magnetic abrasive finishing (MAF). The results show that the cutting force of UAMAF can reach 2 to 4 times that of MAF, and it decreases rapidly with the increase in the machining gap due to the energy loss of ultrasonic impact in the transmission between magnetic abrasives. The surface roughness of UAMAF can reach about Ra 0.075 μm, which is reduced by about 59% compared with MAF. The main wear type of the magnetic abrasive is that the diamond grits fell off the magnetic abrasive in both UAMAF and MAF. The uniform wear of the magnetic abrasive is realized, and the utilization ratio of the magnetic abrasive is obviously improved in UAMAF.
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Zhang, Jian Hua, Sheng Feng Ren, Zong Wei Niu, Li Li et Min Gang Xu. « Ultrasonic Machining Mechanism of Sintered Nd-Fe-B Magnetic Materials ». Materials Science Forum 471-472 (décembre 2004) : 59–62. http://dx.doi.org/10.4028/www.scientific.net/msf.471-472.59.

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The material removal mechanism of ultrasonic machining sintered Nd-Fe-B magnetic materials was studied theoretically. The relation between critical load and central crack is given. In order to assure the material removal mode on material surface is brittle micro-fracture, the acting force of a single abrasive particle working on workpiece surface should be higher than the critical load. Experimental results show that there should be an optimal static load and an optimal abrasive size in certain ultrasonic machining system. The research results are helpful to guide practical production.
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Shukla, Vipin C., et Pulak M. Pandey. « Experimental investigations into sintering of magnetic abrasive powder for ultrasonic assisted magnetic abrasive finishing process ». Materials and Manufacturing Processes 32, no 1 (27 septembre 2016) : 108–14. http://dx.doi.org/10.1080/10426914.2016.1176199.

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Yamada, Takazo, Kazuhito Ohashi, Hirofumi Suzuki et Akinori Yui. « Special Issue on High Performance Abrasive Technologies ». International Journal of Automation Technology 16, no 1 (5 janvier 2022) : 3–4. http://dx.doi.org/10.20965/ijat.2022.p0003.

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Demand for the high-precision and high-efficiency machining of hard ceramics, such as silicon carbide for semiconductors and hardened steel for molding dies, has significantly increased for optical and medical devices as well as for powered devices in automobiles. Certain types of hard metals can be machined by deterministic precision-cutting processes. However, hard and brittle ceramics, hardened steel for molds, and semiconductor materials have to be machined using precision abrasive technologies, such as grinding, polishing, and ultrasonic vibration technologies that use diamond super abrasives. The machining of high-precision components and their molds/dies using abrasive processes is very difficult due to their complex and nondeterministic natures as well as their complex textured surfaces. Furthermore, the development of new cutting-edge tools or machining methods and the active use of physicochemical phenomena are key to the development of high-precision and high-efficiency machining. This special issue features 11 research papers on the most recent advances in precision abrasive technologies. These papers cover the following topics: - Characteristics of abrasive grains in creep-feed grinding - Quantitative evaluation of the surface profiles of grinding wheels - ELID grinding using elastic wheels - Nano-topographies of ground surfaces - Novel grinding wheels - Grinding characteristics of turbine blade materials - Polishing mechanisms - Polishing technologies using magnetic fluid slurries - Application of ultrasonic vibration machining - Turning and rotary cutting technologies This issue is expected to help its readers to understand recent developments in abrasive technologies and to lead to further research. We deeply appreciate the careful work of all the authors, and we thank the reviewers for their incisive efforts.
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Mulik, Rahul S., et Pulak M. Pandey. « Ultrasonic assisted magnetic abrasive finishing of hardened AISI 52100 steel using unbonded SiC abrasives ». International Journal of Refractory Metals and Hard Materials 29, no 1 (janvier 2011) : 68–77. http://dx.doi.org/10.1016/j.ijrmhm.2010.08.002.

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Zhou, K., Y. Chen, Z. W. Du et F. L. Niu. « Surface integrity of titanium part by ultrasonic magnetic abrasive finishing ». International Journal of Advanced Manufacturing Technology 80, no 5-8 (12 avril 2015) : 997–1005. http://dx.doi.org/10.1007/s00170-015-7028-z.

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Sihag, Nitesh, Prateek Kala et Pulak M. Pandey. « Experimental investigations of chemo-ultrasonic assisted magnetic abrasive finishing process ». International Journal of Precision Technology 5, no 3/4 (2015) : 246. http://dx.doi.org/10.1504/ijptech.2015.073822.

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Misra, Aviral, Pulak M. Pandey, U. S. Dixit, Anish Roy et Vadim V. Silberschmidt. « Multi-objective optimization of ultrasonic-assisted magnetic abrasive finishing process ». International Journal of Advanced Manufacturing Technology 101, no 5-8 (23 novembre 2018) : 1661–70. http://dx.doi.org/10.1007/s00170-018-3060-0.

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Fang, S., et A. Frank. « A Metallographic Preparation Method for Three-Dimensional Microstructural Characterization of Machining Chips ». Practical Metallography 58, no 10 (1 octobre 2021) : 644–61. http://dx.doi.org/10.1515/pm-2021-0056.

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Abstract Chip formation is an important indicator of machining processes. Statistical characterization of machining chips’ geometric features can offer crucial information for evaluating the stability and productivity of the machining processes. In abrasive machining processes, an abundance of small chips are produced by the vast number of abrasives exposed to the cutting surfaces. Geometric features of abrasives, such as shape, dimension, and distribution, may be hierarchically passed on to the chips. Similar to those of the abrasives, geometric features of the chips may also vary to a certain extent and conform to some statistical distribution. To verify these characteristics, a metallographic preparation method in connection with chips formed in abrasive machining processes is proposed in this study. Challenges in collecting and segmenting chips have been successfully overcome through several steps using ultrasonic bath cleaning and powder cold embedding methods. Finally, a considerable amount of chips was formed and uniformly embedded in a resin mold, ready for microscopic characterization.
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Mulik, R. S., et P. M. Pandey. « Experimental investigations and optimization of ultrasonic assisted magnetic abrasive finishing process ». Proceedings of the Institution of Mechanical Engineers, Part B : Journal of Engineering Manufacture 225, no 8 (22 juillet 2011) : 1347–62. http://dx.doi.org/10.1177/09544054jem2122.

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Thèses sur le sujet "Ultrasonic; Magnetic abrasive"

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Mishra, Aviral. « Modelling, simulation and optimization of ultrasonic assisted magnetic abrasive finishing process ». Thesis, 2018. http://localhost:8080/xmlui/handle/12345678/7565.

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Mulik, Rahul S. « Experimental investigations and analysis of ultrasonic assisted magnetic abrasive finishing process ». Thesis, 2011. http://localhost:8080/iit/handle/2074/5263.

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Shukla, Vipin Chandra. « Experimental investigations and analysis of ultrasonic assisted magnetic abrasive finishing process with bonded abrasives and efficaciously designed electromagnet ». Thesis, 2017. http://localhost:8080/iit/handle/2074/7529.

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Chapitres de livres sur le sujet "Ultrasonic; Magnetic abrasive"

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Singh, Akshay Kumar, Girish Chandra Verma, Vipin Chandra Shukla et Pulak Mohan Pandey. « Experimental Investigations into Ultrasonic-Assisted Magnetic Abrasive Finishing of Freeform Surface ». Dans Lecture Notes on Multidisciplinary Industrial Engineering, 269–86. Singapore : Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9471-4_22.

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Li, Li, Dong Wang, Zong Wei Niu, Zhi Yong Li et Guang Ming Yuan. « Ultrasonic Machining Aided Tool Rotation of Sintered NdFeB Magnet ». Dans Advances in Grinding and Abrasive Technology XIV, 420–24. Stafa : Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-459-6.420.

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Actes de conférences sur le sujet "Ultrasonic; Magnetic abrasive"

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Ma, Fujian, Yunpeng Liu, Qichao Luo et Shao Chen. « Finite element simulation of micro cutting process of ultrasonic assisted magnetic abrasive finishing ». Dans 2021 IEEE International Conference on Electrical Engineering and Mechatronics Technology (ICEEMT). IEEE, 2021. http://dx.doi.org/10.1109/iceemt52412.2021.9601721.

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Eckert, S., G. Gerbeth, T. Gundrum et F. Stefani. « Velocity Measurements in Metallic Melts ». Dans ASME 2005 Fluids Engineering Division Summer Meeting. ASMEDC, 2005. http://dx.doi.org/10.1115/fedsm2005-77089.

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Various developments of velocity measuring techniques, their tests in different liquid metals, and applications in hot melts are reported. A Mechano-Optical Probe (MOP) performing local measurements up to temperatures of about 700°C has been developed and successfully tested. The Ultrasound Doppler Velocimetry (UDV) can be considered as another attractive technique to get velocity data from opaque flows. To extend the application range to higher temperatures and to abrasive liquids a new integrated ultrasonic sensor with an acoustic wave guide has been designed. First successful measurements in a CuSn melt of about 620°C and in liquid Al of about 750°C were carried out. A fully contactless investigation of the mean velocity field is possible by magnetic tomography. Local measurements of the induced magnetic field and the application of inverse reconstruction techniques allow an analysis of the flow structure. A first demonstration experiment showing the feasibility of this approach for the reconstruction of the three-dimensional mean velocity structure is presented.
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