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Artykuły w czasopismach na temat „Ultrasonic; Magnetic abrasive”

Autor: Grafiati
Data publikacji: 6 września 2023

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1

Ma, Fujian, Ziguang Wang, Yu Liu, Zhihua Sha i Shengfang Zhang. "Machining Performance for Ultrasonic-Assisted Magnetic Abrasive Finishing of a Titanium Alloy: A Comparison with Magnetic Abrasive Finishing". Machines 10, nr 10 (6.10.2022): 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 i Min Gang Xu. "Ultrasonic Machining Mechanism of Sintered Nd-Fe-B Magnetic Materials". Materials Science Forum 471-472 (grudzień 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., i Pulak M. Pandey. "Experimental investigations into sintering of magnetic abrasive powder for ultrasonic assisted magnetic abrasive finishing process". Materials and Manufacturing Processes 32, nr 1 (27.09.2016): 108–14. http://dx.doi.org/10.1080/10426914.2016.1176199.

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Yamada, Takazo, Kazuhito Ohashi, Hirofumi Suzuki i Akinori Yui. "Special Issue on High Performance Abrasive Technologies". International Journal of Automation Technology 16, nr 1 (5.01.2022): 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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5

Mulik, Rahul S., i 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, nr 1 (styczeń 2011): 68–77. http://dx.doi.org/10.1016/j.ijrmhm.2010.08.002.

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6

Zhou, K., Y. Chen, Z. W. Du i F. L. Niu. "Surface integrity of titanium part by ultrasonic magnetic abrasive finishing". International Journal of Advanced Manufacturing Technology 80, nr 5-8 (12.04.2015): 997–1005. http://dx.doi.org/10.1007/s00170-015-7028-z.

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7

Sihag, Nitesh, Prateek Kala i Pulak M. Pandey. "Experimental investigations of chemo-ultrasonic assisted magnetic abrasive finishing process". International Journal of Precision Technology 5, nr 3/4 (2015): 246. http://dx.doi.org/10.1504/ijptech.2015.073822.

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8

Misra, Aviral, Pulak M. Pandey, U. S. Dixit, Anish Roy i Vadim V. Silberschmidt. "Multi-objective optimization of ultrasonic-assisted magnetic abrasive finishing process". International Journal of Advanced Manufacturing Technology 101, nr 5-8 (23.11.2018): 1661–70. http://dx.doi.org/10.1007/s00170-018-3060-0.

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9

Fang, S., i A. Frank. "A Metallographic Preparation Method for Three-Dimensional Microstructural Characterization of Machining Chips". Practical Metallography 58, nr 10 (1.10.2021): 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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10

Mulik, R. S., i 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, nr 8 (22.07.2011): 1347–62. http://dx.doi.org/10.1177/09544054jem2122.

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11

Mulik, Rahul S., i Pulak M. Pandey. "Mechanism of Surface Finishing in Ultrasonic-Assisted Magnetic Abrasive Finishing Process". Materials and Manufacturing Processes 25, nr 12 (3.12.2010): 1418–27. http://dx.doi.org/10.1080/10426914.2010.499580.

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12

Jiang, T. Y., F. J. Ma, X. Liu, Y. Liu, S. F. Zhang i Z. H. Sha. "Technological Rule of Ultrasonic Assisted Magnetic Abrasive Finishing of Titanium Alloy". IOP Conference Series: Materials Science and Engineering 616 (16.10.2019): 012018. http://dx.doi.org/10.1088/1757-899x/616/1/012018.

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13

Misra, Aviral, Pulak M. Pandey i U. S. Dixit. "Modeling of material removal in ultrasonic assisted magnetic abrasive finishing process". International Journal of Mechanical Sciences 131-132 (październik 2017): 853–67. http://dx.doi.org/10.1016/j.ijmecsci.2017.07.023.

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14

Jin, Dong-Hyun, i Jae-Seob Kwak. "Experimental Verification of Characteristics of Magnetic Abrasive Polishing Combined with Ultrasonic Vibration". Transactions of the Korean Society of Mechanical Engineers A 39, nr 9 (1.09.2015): 923–28. http://dx.doi.org/10.3795/ksme-a.2015.39.9.923.

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15

JIAO, Anyuan. "Experimental Research of Titanium Alloy Taper Hole by Ultrasonic Magnetic Abrasive Finishing". Journal of Mechanical Engineering 53, nr 19 (2017): 114. http://dx.doi.org/10.3901/jme.2017.19.114.

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16

Kala, Prateek, Sumit Kumar i Pulak M. Pandey. "Polishing of Copper Alloy Using Double Disk Ultrasonic Assisted Magnetic Abrasive Polishing". Materials and Manufacturing Processes 28, nr 2 (luty 2013): 200–206. http://dx.doi.org/10.1080/10426914.2012.746704.

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17

Kala, Prateek, i Pulak M. Pandey. "Experimental investigations into ultrasonic-assisted double-disk magnetic abrasive finishing of two paramagnetic materials". Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 231, nr 6 (26.05.2015): 1021–38. http://dx.doi.org/10.1177/0954405415581153.

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This article evaluates the finishing performance of ultrasonic-assisted double-disk magnetic abrasive finishing process on two paramagnetic materials (copper alloy and stainless steel) with different mechanical properties such as flow stress, hardness, shear modulus, and so on. The finishing experiments were performed based on response surface methodology. The results obtained after finishing have been analyzed to determine the effect of different process parameters such as working gap, rotational speed, and pulse-on time of ultrasonic vibration for both work materials and to study various interaction effects that may significantly affect the finishing performance by the process. The outcome of analysis for the two different work materials has been critically compared to understand the effect of the considered process parameters on the finishing performance of the process based on mechanical properties of the workpiece such as hardness. Furthermore, the scanning electron microscopy and atomic force microscopy were carried on the workpiece surface to understand the possible mechanism of material removal and the surface morphology produced after the finishing process.
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18

Misra, Aviral, Pulak Mohan Pandey, Uday S. Dixit, Anish Roy i Vadim V. Silberschmidt. "Modeling of finishing force and torque in ultrasonic-assisted magnetic abrasive finishing process". Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 233, nr 2 (30.10.2017): 411–25. http://dx.doi.org/10.1177/0954405417737579.

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19

Yun, H., B. Han, Y. Chen i M. Liao. "Internal finishing process of alumina ceramic tubes by ultrasonic-assisted magnetic abrasive finishing". International Journal of Advanced Manufacturing Technology 85, nr 1-4 (23.10.2015): 727–34. http://dx.doi.org/10.1007/s00170-015-7927-z.

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20

Farwaha, Harnam Singh, Dharmpal Deepak i Gurinder Singh Brar. "Mathematical modeling and process parameters optimization of ultrasonic assisted electrochemical magnetic abrasive machining". Journal of Mechanical Science and Technology 34, nr 12 (grudzień 2020): 5063–73. http://dx.doi.org/10.1007/s12206-020-1110-7.

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21

Misra, Aviral, Pulak M. Pandey i U. S. Dixit. "Modeling and simulation of surface roughness in ultrasonic assisted magnetic abrasive finishing process". International Journal of Mechanical Sciences 133 (listopad 2017): 344–56. http://dx.doi.org/10.1016/j.ijmecsci.2017.08.056.

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22

Shukla, Vipin C., Pulak M. Pandey, Uday S. Dixit, Anish Roy i Vadim Silberschmidt. "Modeling of normal force and finishing torque considering shearing and ploughing effects in ultrasonic assisted magnetic abrasive finishing process with sintered magnetic abrasive powder". Wear 390-391 (listopad 2017): 11–22. http://dx.doi.org/10.1016/j.wear.2017.06.017.

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23

Ohashi, Kazuhito, Hirofumi Suzuki i Takazo Yamada. "Special Issue on Advances in Abrasive Technology". International Journal of Automation Technology 15, nr 1 (5.01.2021): 3. http://dx.doi.org/10.20965/ijat.2021.p0003.

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As abrasive technologies are currently indispensable for production processes in the automotive, aerospace, optics, telecommunications, and healthcare industries, among others, it is essential that the application of abrasive processing to production be optimized and improved. To those ends, it is necessary to understand how to approach the task, as there are many processing factors to consider. However, priority is given to understanding the abrasive processing mechanism that determine finishing results, as well as the relationship between the processing factors and individual conditions. Measurement, analysis, and evaluation technologies are also important. Furthermore, the development of new abrasive tools or machining fluids and the active use of physicochemical phenomena are key to the development of advanced abrasive technologies. Cutting-edge studies focusing on advanced abrasive technologies were collected for this special issue, which includes 12 papers covering the following topics: - Quantitative evaluation of surface profile of grinding wheel - Elucidation of grinding mechanism, based on grinding force - Novel grinding wheel - High-efficiency and high-accuracy grinding of difficult-to-cut materials - Polishing technology using magnetic fluid slurry - Application of ultrasonic waves or ultra-fine bubbles to coolants, and their effects on them - Planarization technology for single-crystal silicon carbide 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 contributions of all authors and thank the reviewers for their incisive efforts.
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24

Guo, Ce, Dongliang Zhang, Xiuhong Li, Jing Liu i Feng Li. "A permanent magnet tool in ultrasonic assisted magnetic abrasive finishing for 30CrMnSi grooves part". Precision Engineering 75 (maj 2022): 180–92. http://dx.doi.org/10.1016/j.precisioneng.2022.02.010.

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25

Farwaha, Harnam Singh, Dharmpal Deepak i Gurinder Singh Brar. "Process Parameter Optimization of Ultrasonic Assisted Electrochemical Magnetic Abrasive Finishing of 316L Stainless Steel". Journal of Physics: Conference Series 1240 (lipiec 2019): 012041. http://dx.doi.org/10.1088/1742-6596/1240/1/012041.

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26

Gençer, Gökçe Mehmet, Fatih Kahraman i 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, nr 12 (1.12.2021): 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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Lv, Zhe, Rongguo Hou, Jianhua Ren, Chuanzhen Huang i Huan Qi. "Evaluation on ultrasonic abrasive water jet surface processing of aluminum nitride". Materials Research Express 6, nr 9 (2.08.2019): 095207. http://dx.doi.org/10.1088/2053-1591/ab355b.

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Sihag, Nitesh, Prateek Kala i Pulak M. Pandey. "Analysis of Surface Finish Improvement during Ultrasonic Assisted Magnetic Abrasive Finishing on Chemically treated Tungsten Substrate". Procedia Manufacturing 10 (2017): 136–46. http://dx.doi.org/10.1016/j.promfg.2017.07.040.

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Kumar, A. Sravan, Sankha Deb i S. Paul. "Burr removal from high-aspect-ratio micro-pillars using ultrasonic-assisted abrasive micro-deburring". Journal of Micromechanics and Microengineering 32, nr 5 (19.04.2022): 055010. http://dx.doi.org/10.1088/1361-6439/ac6562.

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Abstract The demand for high-aspect-ratio microstructures is ever increasing in the fields of microelectromechanical systems, biomedicine, aerospace, telecommunication, and heat transfer. Mechanical micromachining processes have a distinct advantage over lithography-based processes for machining complex three-dimensional microstructures on a variety of materials with high accuracy and surface finish. But the tool-based micromachining operations face inherent issues in the form of excessive burr formation, which needs to be addressed by post-machining burr removal operations. In this study, an ultrasonic-assisted abrasive micro-deburring process employing a probe sonotrode and abrasive particles has been investigated for deburring high-aspect-ratio micro-pillars machined on aluminium 6061 and copper. Deburring of micromilled pillars of aspect ratio 5:1 has been achieved while maintaining pillar integrity. The mechanism of deburring has been observed to be mainly by the impact of the abrasive particles with a minor role played by liquid cavitation. Burr reduction as high as 88.75% for Al 6061 and 90.1% for copper has been achieved in a short processing time of 10 s. This is a significantly faster process than other ultrasonic cavitation-based deburring processes described in literature (deburring time ranging from 60 min to a few hours). With proper control of the process parameters like stand-off distance and power, burr removal has been achieved while maintaining the integrity of the micro-pillars. Pure water cavitation has also been studied for comparison, which has resulted in a burr removal by 51.5% and 53.1% for Al 6061 and copper, respectively. Upon proper selection of the process parameters, this process can be a viable alternative to existing deburring methods in terms of minimal processing time and structure damage.
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Mulik, Rahul S., Vineet Srivastava i Pulak M. Pandey. "Experimental Investigations and Modeling of Temperature in the Work-Brush Interface during Ultrasonic Assisted Magnetic Abrasive Finishing Process". Materials and Manufacturing Processes 27, nr 1 (styczeń 2012): 1–9. http://dx.doi.org/10.1080/10426914.2010.515647.

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Kovács, Zsolt Ferenc, Zsolt János Viharos i János Kodácsy. "Making Twist-Free Surfaces by Magnetic Assisted Ball Burnishing". Solid State Phenomena 261 (sierpień 2017): 159–66. http://dx.doi.org/10.4028/www.scientific.net/ssp.261.159.

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As a well-known conventional finishing process, the grinding is commonly used to manufacture seal mating surfaces and bearing surfaces. It would lead to generate another finishing machining, which more cost-and energy-efficient, so the grinding process could be replaced by machining with roller burnishing or special type of polishing. The machined surfaces by turning or grinding usually have twist structure on the surfaces, which can convey lubricants such as conveyor screw. To avoid this phenomenon have to use special kind of techniques or machine, for example, rotation turning, tangential turning, ultrasonic protection or special toll geometries. All of these solutions have a high cost and difficult usability. In this paper, the authors describe a system and summarize the results of the experimental research carried out mainly in the field of Magnetic Abrasive Polishing (MAP) and Magnetic Roller Burnishing (MRB). These technologies are simple and also cheap while result the twist-free surfaces. During the tests, C45 normalized steel was used as workpiece material which was machined by simple and Wiper geometrical turning inserts in a CNC turning lathe. After the turning was used the MAP and MRB technologies to reduce the twist of surfaces. The evaluation was completed by advanced measuring and IT equipment.
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Hanifuddin, Muhammad, i Nofrijon Sofyan. "THE INFLUENCE OF MOLYBDENUM DISULPHIDE-FRICTION MODIFIER (FM) ADDITIVE INCREMENT ON THE FRICTION AND WEAR PREVENTION BEHAVIOUR OF HVI 60 BASE OIL". Scientific Contributions Oil and Gas 38, nr 2 (31.08.2015): 71–82. http://dx.doi.org/10.29017/scog.38.2.542.

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Friction will always be found in a mechanical system. It is therefore necessary to minimize friction, so it becomes a more effi cient use of energy. This paper discusses the infl uence of MoS2 friction modifier (FM) additive in the form of powder with two different mesh sizes, i.e. 90 nm and 1.5 um, on the friction and wear characteristic of HVI 60 base oil. The variation of MoS2 were 0,05%; 0,1%; 0,5% weight whereas MoS2 1.5 um were 0,05%; 0,1%; 0,5%; 1% and 2% weight. MoS2 additive 90 nm was mixed with base oil and stirred with magnetic stirrer for 60 minutes at 50oC and homogenized in an ultrasonic homogenizer for 1 hour. For the MoS2 1.5 um, the additive was mixed with base oil and stirred with magnetic stirrer for 60 minutes at 75oC without using an ultrasonic homogenizer. Friction and wear characteristics of these mixtures were tested using four-ball and SRV test-rig. The wear scars were analyzed by using a scanning electron microscope (SEM). The results of the tests showed that the addition of 0.1% weight MoS2 additive, both in 90 nm and 1.5 um, resulted in an optimum increase in friction and wear characteristic of 23% and 11%, respectively. Observation on the wear scar showed that adhesive and abrasive wear mechanisms were involved in the wear process. The results of this research could be applied in the production of lubricating oils that can improve engine performance. Keywords: additive, friction, wear, molybdenum disulfi de, four-ball
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Pandey, Kheelraj, i Pulak M. Pandey. "An integrated application of chemo-ultrasonic approach for improving surface finish of Si (100) using double disk magnetic abrasive finishing". International Journal of Advanced Manufacturing Technology 103, nr 9-12 (11.05.2019): 3871–86. http://dx.doi.org/10.1007/s00170-019-03829-5.

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Zhou, Chenghu, Qiuhui Zhang, Changtao He i Yaguo Li. "Function of liquid and tool wear in ultrasonic bound-abrasive polishing of fused silica with different polishing tools". Optik 125, nr 15 (sierpień 2014): 4064–68. http://dx.doi.org/10.1016/j.ijleo.2014.01.113.

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Singh Farwaha, Harnam, Dharmpal Deepak i Gurinder Singh Brar. "Design and performance of ultrasonic assisted magnetic abrasive finishing combined with electrolytic process set up for machining and finishing of 316L stainless steel". Materials Today: Proceedings 33 (2020): 1626–31. http://dx.doi.org/10.1016/j.matpr.2020.06.143.

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Wang, Ziping, Xian Xue, He Yin, Zhengxuan Jiang i Yefei Li. "Research Progress on Monitoring and Separating Suspension Particles for Lubricating Oil". Complexity 2018 (5.06.2018): 1–9. http://dx.doi.org/10.1155/2018/9356451.

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Lubricant failure or irrational lubrication is the root cause of industrial equipment failure. By monitoring the distribution of the suspended particles in lubricants, it is possible to discover hidden lubrication problems. After taking the lubricating oil samples of industrial equipment, the oil monitoring technology is used to analyze the particle size distribution and the type and content of the abrasive particles by electrical, magnetic, and optical monitoring techniques. It is necessary to separate the suspended particles in oils with impurities by some method to eliminate potential safety hazards and ensure the reuse efficiency of the lubricant. In this paper, the principles, advantages, and disadvantages of several important oil monitoring methods are described, and new developments in various methods are analyzed. Several typical methods for separation of the suspended particles in purified oils were introduced. The advantages and disadvantages of each process were summarized. The development direction of lubricant monitoring technology was pointed out, and guidance was provided for the separation and online monitoring of the suspended particles in lubricants. Finally, compared with similar review papers, this paper specifically figured out that ultrasonic separation method has the advantages of real time, high efficiency, and no pollution and has important application value for micron-scale particle separation of large precision machines.
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Mirian, Saeed, Mohsen safavi, Alireza Fadaei, Mahmoud Salimi i Mahmoud Farzin. "Improving the quality of surface in polishing process with the magnetic abrasive powder polishing (MAPP) by use of ultrasonic oscillation of work-piece on a CNC table". International Journal of Precision Engineering and Manufacturing 12, nr 2 (kwiecień 2011): 275–84. http://dx.doi.org/10.1007/s12541-011-0037-4.

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Deng, Hongguang, Min Zhong i Wenhu Xu. "Effects of Different Dispersants on Chemical Reaction and Material Removal in Ultrasonic Assisted Chemical Mechanical Polishing of Sapphire". ECS Journal of Solid State Science and Technology 11, nr 3 (1.03.2022): 033007. http://dx.doi.org/10.1149/2162-8777/ac5a6d.

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Effects of different dispersing reagents on ultrasonic assisted chemical mechanical polishing (UV-CMP) of sapphire were investigated in this study. Their influences on chemical reaction and mechanical action between silica particles and sapphire surface were explored by X-ray photoelectron spectroscopy, scanning electron microscope, zeta potential and particle size analyses. The results show that ultrasonic and polyethylene glycol can synergistically promote the chemical reaction and sapphire removal rate. However, sodium polyacrylate and sodium hexametaphosphate will inhibit the chemical reaction. For different concentrations of polyethylene glycol, they affect the chemical reaction and mechanical removal due to the particle aggregation or dispersion in sapphire UV-CMP. When the content is 0.2%, the synergistic effects of chemical and mechanical action between abrasives and sapphire surface are optimal. The sapphire removal rate reaches 48.5 nm min−1 and the polished surface roughness is 0.16 nm.
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39

Nakamura, Kyuzo, i Yoshifumi Ota. "Apparatus for manufacturing of abrasion resistant magnetic recording product". Journal of the Acoustical Society of America 82, nr 5 (listopad 1987): 1871. http://dx.doi.org/10.1121/1.395675.

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40

Williams, J. A., i A. M. Hyncica. "Abrasive wear in lubricated contacts". Journal of Physics D: Applied Physics 25, nr 1A (14.01.1992): A81—A90. http://dx.doi.org/10.1088/0022-3727/25/1a/015.

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41

Hong, Yong-Ho, Su-Ri Park, Sang-Wook Han i Byung-Jick Kim. "Smart Decontamination Device for Small-size Radioactive Scrap Metal Waste : Using Abrasion pin in Rotating Magnetic Field and Ultrasonic Wave Cleaner". Journal of the Nuclear Fuel Cycle and Waste Technology 12, nr 1 (30.03.2014): 79–88. http://dx.doi.org/10.7733/jnfcwt.2014.12.1.79.

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42

Krawczyk, Ryszard, Jacek Słania, Grzegorz Golański i Adam Zieliński. "Evaluation of the Properties and Microstructure of Thick-Walled Welded Joint of Wear Resistant Materials". Materials 15, nr 19 (9.10.2022): 7009. http://dx.doi.org/10.3390/ma15197009.

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The research was conducted on a thick-walled welded joint between the HTK 900H wear-resistant steel plates and the A6 cast profile. The aim of the experiment was to produce a joint with the relevant performance requirements, i.e., a good abrasion resistance joint in the weld face area while ensuring its proper plasticity. The welded joint was made using the MAG PULSE and the high-performance MAG TANDEM methods under automated conditions using the linear welding energy ranging from 1.2 to 2.2 kJ/mm for the different joint regions. The scope of the research included both non-destructive and destructive testing. The non-destructive visual (VT), magnetic-particle (MT), and ultrasonic (UT) tests revealed a good quality of the welded joint with no significant welding imperfections. The microstructure of the welded joint in the weld zone was characterized by a dominant volume fraction of martensite/bainite. The measurement of hardness near the face of the weld confirmed obtaining similar values for this parameter. The HTK 900H steel was characterized by hardness at the level of 383 HV10, whereas the A6 cast-328 HV10, and the weld-276 HV10. At the same time, the analyzed joint showed high ductility in the range of 86 to 159 J. The tests carried out showed that the linear energy control allowed a welded joint with the required performance characteristics to be obtained.
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43

Gant, A. J., i M. G. Gee. "A review of micro-scale abrasion testing". Journal of Physics D: Applied Physics 44, nr 7 (28.01.2011): 073001. http://dx.doi.org/10.1088/0022-3727/44/7/073001.

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44

Briscoe, B. J., P. D. Evans i J. K. Lancaster. "Single point deformation and abrasion of γ-irradiated poly(tetrafluoroethylene)". Journal of Physics D: Applied Physics 20, nr 3 (14.03.1987): 346–53. http://dx.doi.org/10.1088/0022-3727/20/3/017.

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Hutchings, I. M. "Ductile-brittle transitions and wear maps for the erosion and abrasion of brittle materials". Journal of Physics D: Applied Physics 25, nr 1A (14.01.1992): A212—A221. http://dx.doi.org/10.1088/0022-3727/25/1a/033.

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46

Sharifi, S., i M. M. Stack. "A comparison of the tribological behaviour of Y-TZP in tea and coffee under micro-abrasion conditions". Journal of Physics D: Applied Physics 46, nr 40 (19.09.2013): 404008. http://dx.doi.org/10.1088/0022-3727/46/40/404008.

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47

Jiang, Jiaren, i R. D. Arnell. "The dependence of the fraction of material removed on the degree of penetration in single particle abrasion of ductile materials". Journal of Physics D: Applied Physics 31, nr 10 (21.05.1998): 1163–67. http://dx.doi.org/10.1088/0022-3727/31/10/006.

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48

Dixit, Nitin, Varun Sharma i Pradeep1 Kumar. "Mathematical modeling of material removal and surface roughness in ultrasonic assisted magnetic abrasive flow machining process". Journal of Manufacturing Science and Engineering, 21.07.2022, 1–31. http://dx.doi.org/10.1115/1.4055053.

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Abstract Ultrasonic assisted magnetic abrasive flow machining (UAMAFM) process shows enhanced finishing performance compared to conventional abrasive flow machining (AFM). In this present research paper, mathematical models for (MR) and Ra have been developed for the UAMAFM process by considering both steady state and transient phenomena. The external ultrasonic and magnetic field assistance enhanced the velocity and length of contact of active abrasives, calculated from the kinematic analysis. The resultant finishing forces have also been evaluated by considering these external aids. The steady state material removal per finishing cycle remains constant and depends on the velocity of motion, length of contact, resulting forces, number of active abrasives, and work material hardness. The transient material removal per finishing cycle was calculated in terms of the volume of irregularities present over the work surface, i.e., initial surface roughness. The mathematical model for surface roughness was developed in terms amount of material removed (MR), and initial (R(a0)) and critical surface roughness (R(acr)). The predicted values of material removed and surface roughness from developed mathematical models agreed with experimental results with a deviation of 7.80% and 2.44%, respectively.
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49

Pak, Abbas, Mohammad Shayegh, Amir Abdullah i Yahya Choopani. "Ultrasonic assisted magnetic abrasive finishing of DIN 1.2738 tool steel using vitrified bonded magnetic abrasive particles". Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, 5.03.2023, 095440892311597. http://dx.doi.org/10.1177/09544089231159789.

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Ultrasonic-assisted magnetic abrasive finishing (UAMAF) process has been developed to reduce the finishing time of hard materials. In this process, in addition to the rotation of the magnetic tool, ultrasonic vibrations are also applied to the workpiece simultaneously in the longitudinal direction. In the present work, the effects of UAMAF process parameters, including ultrasonic power, the rotational speed of the magnetic tool, working gap, and weight of magnetic abrasive particles (MAPs) on the percentage change in surface roughness (%ΔRa) of 1.2738 tool steel are discussed with an experimental approach. In this regard, besides the development of the UAMAF process, the sintering of MAPs with glass powder is proposed. The experiments are designed according to the Taguchi method. Then, the input parameters of the UAMAF process are modeled and optimized using the signal-to-noise (S/N) ratio analysis to achieve the maximum %ΔRa. Statistical analysis of experimental data shows that the most significant contribution in improving %ΔRa is attributed to the weight of MAPs. Furthermore, according to the comparative study, %ΔRa in the UAMAF process for finishing the DIN 1.2738 tool steel is improved by 86.62% under optimized conditions. In comparison, this value in the MAF process is equal to 48.62% under the same conditions. The results of the surface morphology also underline that abrasive particles in the UAMAF process hit the peaks of the surface roughness due to vibration applied to the workpiece, which leads to a high-quality finished surface.
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Dixit, Nitin, Varun Sharma i Pradeep Kumar. "Experimental investigations into ultrasonic assisted magnetic abrasive flow machining process". Materials and Manufacturing Processes, 20.11.2022, 1–16. http://dx.doi.org/10.1080/10426914.2022.2146712.

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