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1

Fu, Xiu Li, Yan An Pan, Yong Wang, and Yang Qiao. "Experimental and Simulation Study on Friction Condition of the Tool-Chip Interface during Cutting Process." Key Engineering Materials 693 (May 2016): 747–54. http://dx.doi.org/10.4028/www.scientific.net/kem.693.747.

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The friction condition of tool-chip contact zone plays an important role in the evaluation of cutting deformation in high speed machining. The theoretical model of normal stress and friction stress in tool-chip zone were investigated and consistent with the internal friction law. Cutting force and friction average angle were obtained in high speed machining aluminum alloy 7050-T7451 by means of orthogonal turning measurement and FEM simulation (Deform-2D). The influence tendency of cutting speed on friction coefficient and friction angle was studied with the increases of cutting speed, the fri
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2

Jin, Ying, Jian Hua Wu, Long Quan Liu, and Zheng Qiang Yao. "The Cutting Energy of Rubber Cutting by a Sharp Cutter." Key Engineering Materials 353-358 (September 2007): 3072–75. http://dx.doi.org/10.4028/www.scientific.net/kem.353-358.3072.

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In order to obtain the total cutting energy and the ratios of the three parts of the total energy during cutting off the rubber, a test method was proposed and a test apparatus was constructed to perform the rubber cutting experiment. In the test, the friction force and the cutting force were obtained. Through the analysis of the test results, the friction work, the deformation energy, the surface fracture energy in cutting different thickness of the rubber were calculated. This work originally proposed a test method to acquire the friction force, the friction work between the cutter and workp
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3

Lee, W. B., C. F. Cheung, and S. To. "Friction-induced fluctuation of cutting forces in the diamond turning of aluminium single crystals." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 217, no. 5 (2003): 615–31. http://dx.doi.org/10.1243/095440503322011344.

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This paper presents a multidisciplinary approach to the analysis of the fluctuation of cutting forces in the diamond turning of crystalline materials. The analysis is based on a microplasticity model for shear angle prediction and a cutting force model incorporating a friction variable which is estimated from the power spectrum analysis. The results reveal that the pattern of periodic fluctuation of the microcutting forces is not only due to the crystallographic orientation of the materials being cut but also to the friction between the chip and the tool face. The frictional effect is found to
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4

Wahab, Norfariza, and Hiroyuki Sasahara. "Identification of Friction Characteristics and Flow Stress of 0.45% Carbon Steel during Cutting Process." Advanced Materials Research 1101 (April 2015): 402–5. http://dx.doi.org/10.4028/www.scientific.net/amr.1101.402.

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Nowadays, numerical simulation technique is used to predict machining states such as cutting forces, stresses and temperature distribution. However, it is difficult to simultaneously estimate the stress-strain relationship of the workpiece and friction characteristics between tool-chips during cutting process. The aim of this study is to propose a new method to identify friction characteristics and flow stress of 0.45% carbon steel for FEM simulation during cutting process. Shear friction equation had been applied to estimate the friction characteristics and the Johnson-Cook (JC) constitutive
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5

Wahab, Norfariza, Yumi Inatsugu, Satoshi Kubota, Soo-Young Kim, and Hiroyuki Sasahara. "An Integral Method to Determine Workpiece Flow Stress and Friction Characteristics in Metal Cutting." International Journal of Automation Technology 9, no. 6 (2015): 775–81. http://dx.doi.org/10.20965/ijat.2015.p0775.

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In recent times, numerical simulation techniques have been commonly used to estimate and predict machining parameters such as cutting forces, stresses, and temperature distribution. However, it is very difficult to estimate the flow stress of a workpiece and the friction characteristics at a tool/chip interface, particularly during a high-speed cutting process. The objective of this study is to improve the accuracy of the present method and simultaneously determine the characteristics of the flow stress of a workpiece and friction at the cutting edge under a high strain rate and temperature du
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6

Niu, Min. "Stress of ZrN-Coated Cutting Tools under High Temperature Friction." International Journal of Heat and Technology 40, no. 2 (2022): 482–88. http://dx.doi.org/10.18280/ijht.400216.

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Objective of this research is to analyze the stress of coated cutting tools under high temperature friction, and figure out the laws in the stress change under different loads and rotate speeds. This paper constructed a finite element model and used it to analyze the frictional wear between the test block (ZrN-coated series hard alloy cutting tools) and the high-speed steel friction ring. In the experiment, with the effect of high temperature taken into consideration, the friction process was dynamically simulated under different loads and rotate speeds, the laws of the distribution of stress
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7

Jiang, Feng, Jian Feng Li, Jie Sun, Song Zhang, and Yong He. "Research on Tool-Chip Friction during Ti6Al4V Milling Process with Different Cooling/Lubrication Methods." Advanced Materials Research 97-101 (March 2010): 1985–88. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.1985.

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Friction coefficient is an important index to evaluate the cooling and lubrication effects. In this study, the orthogonal milling experiments with different cooling/lubrication methods (dry, cutting fluid, MQL) were performed and the milling forces were measured to calculate the apparent friction coefficients with the mechanistic model. The effects of cutting parameters and cooling/lubrication methods on the apparent friction coefficients were analyzed.
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8

Zhou, Tianfeng, Ying Wang, Benshuai Ruan, Zhiqiang Liang, and Xibin Wang. "Modeling of the minimum cutting thickness in micro cutting with consideration of the friction around the cutting zone." Frontiers of Mechanical Engineering 15, no. 1 (2019): 81–88. http://dx.doi.org/10.1007/s11465-019-0561-y.

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AbstractFriction modeling between the tool and the workpiece plays an important role in predicting the minimum cutting thickness during TC4 micro machining and finite element method (FEM) cutting simulation. In this study, a new three-region friction modeling is proposed to illustrate the material flow mechanism around the friction zone in micro cutting; estimate the stress distributions on the rake, edge, and clearance faces of the tool; and predict the stagnation point location and the minimum cutting thickness. The friction modeling is established by determining the distribution of normal a
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9

Segebade, Eric, Johannes Schneider, and Volker Schulze. "Tribological Effects in and by Metal Cutting." Key Engineering Materials 767 (April 2018): 3–24. http://dx.doi.org/10.4028/www.scientific.net/kem.767.3.

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In metal cutting, a severe thermo-mechanical load collective determines the friction and wear behavior at the tool-chip interface. The inaccessibility of this interface complicates studies and thus the understanding of tribological effects in metal cutting. During a tool’s lifetime, local friction conditions change drastically as coatings and tool geometry wear down. This paper shall provide a comprehensive overview of current methods to understand and describe friction conditions in metal cutting and how cutting induced surface layer states may influence the friction and wear behavior of the
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10

Niu, Min. "The Wear Mechanism of Coated Cutting Tools During Machining Process under the Thermal Effect." International Journal of Heat and Technology 40, no. 1 (2022): 347–52. http://dx.doi.org/10.18280/ijht.400142.

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To figure out the wear process of ZrN-coated cutting tools under the thermal effect, this study performed wear experiments on ZrN-coated cutting tools during the machining process and tested on their hardness, elastic modulus, and microstructures under the thermal effect; then, the paper analyzed the internal laws and mechanisms of factors that cause wear to the ZrN-coated cutting tools under high temperature conditions, and determined their damaged state under certain load and speed conditions. After that, this paper summarized that the wear of ZrN-coated cutting tools during use can be divid
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11

Kawasegi, Noritaka, Hiroshi Sugimori, Noboru Morita, and Min Chao Xue. "Atmosphere Effects on the Machinability of Cutting Tools with Micro- and Nanoscale Textures." Advanced Materials Research 325 (August 2011): 333–38. http://dx.doi.org/10.4028/www.scientific.net/amr.325.333.

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Cutting and friction experiments were conducted in various atmospheres to investigate the chemical effect on textured cutting tools. The cutting experiments indicated that the atmosphere affected the machinability of the textured tools; a larger effect was observed in the presence of gas such as oxygen. A ball-on-disk friction apparatus was developed and used for the friction experiments. Smaller friction coefficients were observed in the presence of oxygen, a trend similar to that observed during the cutting experiments. These results indicate that oxidation is an important factor in determin
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12

Hou, Zhi Gang, Jun Zhao, Li Qiang Xu, and Zhong Guo. "The Friction Coefficient and Self-Organization Feature on Rake Face when Turning Hardened Steel with Coating Tools." Advanced Materials Research 97-101 (March 2010): 1871–74. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.1871.

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The friction coefficient on rake face was calculated through the cutting forces tested in a series of cutting experiments. These experiments were performed for turning two kinds of hardened steel with four types of coating tool by orthogonal experimental method. The curves of the friction coefficient changing with the cutting process and its dependence on the cutting parameters were analyzed in detail. The results show that the friction coefficient on rake face decreases rapidly during the cutting progress and comes to a steady value, which could be an indication of the self-organization when
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13

Raof, Natasha A., Jaharah A. Ghani, Junaidi Syarif, Che Hassan Che Haron, and Musfirah Abdul Hadi. "Comparison of Dry and Cryogenic Machining on Chip Formation and Coefficient of Friction in Turning AISI 4340 Alloy Steel." Applied Mechanics and Materials 554 (June 2014): 7–11. http://dx.doi.org/10.4028/www.scientific.net/amm.554.7.

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Application of cutting fluid that provides both coolant and lubrication properties in manufacturing operations such as turning, milling, grinding and other processes has been proven to improve the machining output in many aspects. In cryogenic machining, liquid nitrogen (LN2) is used as cutting fluid to reduce the temperature generated at the cutting zone. However, there is still an issue being raised on whether LN2 also functions as a good lubricant as it does as an excellent coolant. Therefore, an intensive study on the chip formation during dry and cryogenic turning of AISI 4340 alloy steel
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14

Koseki, Shuho, Kenichi Inoue, Kazutake Uehara, et al. "Damage of PVD-Coated Cutting Tools Due to Interrupted Cutting of Ni-Based Superalloys." Key Engineering Materials 656-657 (July 2015): 191–97. http://dx.doi.org/10.4028/www.scientific.net/kem.656-657.191.

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Ni-based superalloys are typically difficult-to-cut materials. During machining, the cutting forces and temperatures of these superalloys are generally higher than those of other materials. Therefore, the tool life of the coated carbide cutting tools used for superalloy machining is shortened. This study evaluates the damage of the coated end mills during interrupted cutting of alloy 718 and finds the coating properties necessary for improved cutting of Ni-based superalloys. Damage of the PVD-TiN-coated cutting tools was observed by scanning electron microscopy and transmission electron micros
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15

Rosli, Ainur Munira, Ahmad Shahir Jamaludin, Mohd Nizar Mohd Razali, Hosokawa Akira, Tatsuaki Furumoto, and Mohd Shahril Osman. "Bold Approach in Finite Element Simulation on Minimum Quantity Lubrication Effect during Machining." Journal of Modern Manufacturing Systems and Technology 2 (March 26, 2019): 33–41. http://dx.doi.org/10.15282/jmmst.v2i1.1798.

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Application of Minimum Quantity Lubrication (MQL) in cutting process is becoming widespread, whereas manufacturers had gradually turns to the utilization of dry and semi dry cutting during the machining process. Compared to the conventional wet cutting method, utilization of MQL can be considered as parameter sensitive, whereas only a very small amount of cutting fluid is utilized during the process to cater similar or better performance as conventional wet cutting. Thus, it is necessary to understand precisely the characteristic of MQL applied cutting process, where behavior of tool-work/chip
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16

Migranov, Mars Sharifullovich, Semen Romanovich Shehtman, Nadezhda Aleksandrovna Sukhova, et al. "Study of Tribotechnical Properties of Multilayer Nanostructured Coatings and Contact Processes during Milling of Titanium Alloys." Coatings 13, no. 1 (2023): 171. http://dx.doi.org/10.3390/coatings13010171.

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The paper presents the results of theoretical and experimental research on tribotechnical characteristics: tool wear on the back surface, tool durability period, critical length of the cutting path before blunting, adhesion component of the friction coefficient, contact processes, temperature, and force dependences for the application of innovative nanostructured multilayer composite coatings on a tool for milling of titanium alloys. The proposed thermodynamic model of cutting tool wear allows us to determine the ways by which cutting tool wear intensity decreases and the conditions of increas
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17

Hao, Guangchao, Zhanqiang Liu, Xiaoliang Liang, and Jinfu Zhao. "Influences of TiAlN Coating on Cutting Temperature during Orthogonal Machining H13 Hardened Steel." Coatings 9, no. 6 (2019): 355. http://dx.doi.org/10.3390/coatings9060355.

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TiAlN has been widely used in cutting tool coating due to its excellent mechanical and thermal performances. However, the research on the TiAlN coating effect on cutting temperature is not comprehensive enough. In this paper, the friction tests at elevated temperature and hard machining H13 hardened steel tests are conducted by using TiAlN coated tools and uncoated tools, respectively. The results of using TiAlN coated tools are compared with those from using uncoated tools. It is found that the coefficient of friction (COF) between TiAlN coated tool and H13 hardened steel is reduced to 0.63 a
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18

Mohammed Sambo, Abdulkadir, Muhammad Younas, and James Njuguna. "Effects of cutting conditions on the cutting forces in machining additively manufactured Ti6Al4V alloy." MATEC Web of Conferences 401 (2024): 06003. http://dx.doi.org/10.1051/matecconf/202440106003.

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Machining of additive manufacturing (AM) process results in excessive consumption of the cutting power due to the high strength and hardness of the material produced that led to high cutting forces and short tool life during machining process. This paper aims to investigate the effect of cutting conditions and coefficient of friction on the cutting forces, during finite element analysis (FEA) of an orthogonal cutting of AM Ti6Al4V alloy bar. The FEA simulation considers three different experiments at low, medium, and high cutting conditions. The result shows that as the depth of cuts gets deep
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19

Hong, Zhipeng, Wei Hao, Liang He, Yinuo Zhang, and Zhaoyu Wen. "Analysis of Rock Friction Coefficient Characteristics Based on Friction Experimental Equipment." Rock Mechanics Letters 2, no. 2 (2025): 110–20. https://doi.org/10.70425/rml.202502.15.

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Friction coefficient, as a parameter of mechanical state, plays a crucial role in the shear failure of rocks in the field of Earth sciences. This paper investigates the frictional characteristics and anisotropy of rock by analyzing the coefficient of variation of the friction coefficient (f) and the anisotropy index of rock friction coefficients Af. Rotational friction tests were conducted using cylindrical granite against square samples of granite, sandstone, and andesite in three directions to analyze the relationship between the friction coefficient and various drilling parameters. This stu
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20

Guzeev, V. I., and I. P. Deryabin. "MATHEMATICAL MODELS OF CUTTING FORCES DURING TURNING." Bulletin of the South Ural State University series "Mechanical engineering industry" 23, no. 2 (2023): 49–60. http://dx.doi.org/10.14529/engin230205.

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This paper considers the predictive determination of the cutting force components for non-free cutting during turning. It has been established that plastic deformation and friction along the rear surfaces adjacent to the main and auxiliary cutting edges of the tool influence the magnitude and direction of the action of the component . The resulting force is defined as the vector sum of the forces that occur on the main and auxiliary cutting edges. The authors propose to determine the direction of the force in non-free cutting as a vector in the chip flow direction relative to the main cutting
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21

Unyanin, Alexander N., and Pavel R. Finageev. "Research of the Influence of Cutting Conditions on the Temperature Field during Turning." Key Engineering Materials 910 (February 15, 2022): 271–77. http://dx.doi.org/10.4028/p-l205d1.

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Numerical simulation of the temperature field and parameters of the turning process of workpieces made of 45 and 12Kh18N10T steels is performed. The front angle of the cutter, as well as the coefficients of chip friction on the front surface of the tool μ1, the flank surface on the workpiece μ2, and the coefficient of friction on the yield stress μ were selected as variable parameters. The degree of influence of the variable parameters on the tangential component of the cutting force, the friction force on the front and flank surfaces of the cutting tool, the power of heat sources, contact tem
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22

Troitskii, O. A., and V. I. Stashenko. "Electro-plastic metal cutting." Ferrous Metallurgy. Bulletin of Scientific , Technical and Economic Information 75, no. 6 (2019): 735–40. http://dx.doi.org/10.32339/0135-5910-2019-6-735-740.

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In the process of cutting of steels, high strength and heat-resistant alloys a strong warming-up of the cutting instrument takes place, necessitating its cooling by special emulsions and resulting in quick wear and increase of products cost. It was determined by experiment, that during a metal with current cutting, an electro-plastic effect arises. During the lector-plastic cutting, the plastic deformation of a metal under pulse current effect becomes easier, making the friction force between the metal chips and the cutting instrument front edge lower. The electro-plastic metal cutting method
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23

Przepiórka, Jacek. "FRICTION FORCE OF THE NATURAL LEATHER CUTTING PROCESS." Tribologia 288, no. 6 (2019): 81–85. http://dx.doi.org/10.5604/01.3001.0013.7772.

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Cutting natural leather is a first stage of a technological process of leather goods. It consists of dividing flat materials into shoe components. Cutting can be done by hand or mechanically. Cutters are the main cutting device in mechanical process. During utilization of cutters, the durability of its usage is an important issue. To increase its endurance, optimal force conditions are required. These depend on the following: the friction coefficient between cutting machine and cut material, the angle of sharpening of cutter, the blunting of the edge, using a cutting pad, and the type and kind
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24

Tryshyn, Pavlo, Olena Kozlova, Natalia Honchar, and Ivan Hembel. "RESEARCH ON THE INFLUENCE OF THE COATING OF THE CUTTING PART OF THE CUTTER ON VIBRATION DURING TURNING." New Materials and Technologies in Metallurgy and Mechanical Engineering, no. 1 (March 26, 2025): 37–43. https://doi.org/10.15588/1607-6885-2025-1-5.

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Purpose. The aim of the work was to investigate the influence of the coating of the cutting part of the cutter on vibrations during turning. Research methods. The research was conducted by an experimental method, in which oscillograms of oscillations of the cutting edge of the cutter-oscillator were recorded. The analytical method was used to study the oscillograms on which the parameters of the oscillatory system of the cutter-oscillator were measured, which characterize the law of motion of the cutting edge during self-oscillations. Results. The results of the study confirmed that when apply
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25

Kári-Horváth, Attila, Tamás Pataki, and Zoltán Szakál. "The Effect of MMS Lubrication on Surface Roughness During Machining." International Journal of Engineering and Management Sciences 4, no. 1 (2019): 452–57. http://dx.doi.org/10.21791/ijems.2019.1.56.

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I display this paper the chipping front metal of cutting allocated geometric, considering particular the friction. I catch the attention energy's balance sheet someday metal of cutting, open one new direction the manufacture technology. I display this new direction's metal of cutting condition. but built I delineate his paper final division this new policy searching programme, consumed trial instruments as well as the evaluation's mode.
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26

Witt, Tilman, Yannic Holländer, Sven Tietze, and Jens-Peter Majschak. "Modelling of Oblique Wire Cutting and Experimental Application on Soft Solid Foods for the Investigation of Friction Behaviour." Journal of Food Quality 2019 (June 16, 2019): 1–9. http://dx.doi.org/10.1155/2019/5429093.

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The sales value of ready-made foods is determined to a large extent by the appearance of the individual pieces or slices. Breakouts or deformations are perceived negatively and should be avoided. The quality of the cut surface is derived as an evaluation criterion from the evaluation of the cutting force curve. This study examines the influence of friction during cutting. The method developed for this purpose deals with the problem of separating friction from breaking and deforming when cutting with wire. To test the theoretical approach, cutting experiments with thin wires are carried out on
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27

Wang, Hailong, Tao Zhang, Sujuan Wang, and Suet To. "Characterization of the Friction Coefficient of Aluminum Alloy 6061 in Ultra-Precision Machining." Metals 10, no. 3 (2020): 336. http://dx.doi.org/10.3390/met10030336.

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Aluminum alloy 6061(Al6061), an Al-Mg-Si alloy, is a precipitation-hardened alloy. The generation of precipitate affects its mechanical properties, and induces a worse surface finish during diamond cutting. The friction coefficients of the tool-chip and tool-workpiece interfaces influence temperature rise, and are therefore important predictors of tool wear and surface integrity during the diamond cutting of Al6061. This study investigated the relationship between precipitate generation and the friction coefficients of Al6061. Groups of experiments were conducted to study the influence of temp
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28

Akbar, Faraz, and Muhammad Arsalan. "Thermal modelling of cutting tool temperatures and heat partition in orthogonal machining of high-strength alloy steel." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 235, no. 8 (2021): 1309–26. http://dx.doi.org/10.1177/0954405420986083.

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Cutting temperatures and heat partition into the cutting tool are critical factors that significantly affect tool life and part accuracy during metal removal operations, especially in dry machining. Among many thermal modelling studies, uniform heat partition ratio, and/or uniform heat intensity along the tool-chip interface are frequently assumed. This assumption is not valid in actual machining and can lead to erroneous estimated results in the presence of sticking and sliding friction zones. Therefore, it is necessary to accurately predict the cutting tool temperature and heat partition dur
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29

Senecaut, Yannick, Michel Watremez, Damien Meresse, and Laurent Dubar. "Implementation of Advanced Frictional Laws for Modelling of High Speed Machining." Key Engineering Materials 554-557 (June 2013): 2021–28. http://dx.doi.org/10.4028/www.scientific.net/kem.554-557.2021.

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High-speed machining is submitted to economical and ecological constraints. Optimization of cutting processes must increase productivity, reduce tool wear and control residual stresses in the workpiece. Developments of numerical approaches to simulate accurately high-speed machining process are therefore necessary since in situ optimization is long and costly. To get this purpose, rheological behaviour of both antagonists and representative friction models at tool-chip interface has to be studied as encountered during high-speed machining process. The study is led with AISI 1045 steel and an u
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30

Zhuravel, Oleksii, Vitalii Derbaba, Volodymyr Protsiv, and Sergey Patsera. "Interrelation between Shearing Angles of External and Internal Friction during Chip Formation." Solid State Phenomena 291 (May 2019): 193–203. http://dx.doi.org/10.4028/www.scientific.net/ssp.291.193.

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The aim of this work is to develop a methodology for graphically analytical calculation of angles of chip formation process for the case when the initial data are reliable empirical dependencies for the cutting forces’ components and value of shearing angle are obtained experimentally. The research method is based on the application of the elements of cutting theory with respect to flow chip formation scheme and the model of plastic deformation of metal with one slip surface with free cutting without a build-up on the front surface of the blade. Academic novelty is characterized by the develop
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31

Salah, Ahmad, Ahmed Fathalla, Esraa Eldesouky, Wei Li, and Ahmed Mohamed Mahmoud Ibrahim. "Forecasting the Friction Coefficient of Rubbing Zirconia Ceramics by Titanium Alloy." International Journal of Intelligent Systems 2023 (December 12, 2023): 1–15. http://dx.doi.org/10.1155/2023/6681886.

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The thermal issues generated from friction are the key obstacle in the high-performance machining of titanium alloys. The friction between the workpiece being cut and the cutting tool is the dominant parameter that affects the heat generation during the machining processes, i.e., the temperature inside the cutting zone and the consumed cutting energy. Besides, the complexity is associated with the nature of the friction phenomenon. However, there are limited efforts to forecast the friction coefficient during the machining operations. In this work, the friction coefficients between the titaniu
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32

Sutter, G., and A. Molinari. "Analysis of the Cutting Force Components and Friction in High Speed Machining." Journal of Manufacturing Science and Engineering 127, no. 2 (2005): 245–50. http://dx.doi.org/10.1115/1.1863253.

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An original experimental device is used to reproduce conditions of orthogonal cutting for a wide range of cutting speeds (from 15 to about 100 m/s) (Sutter et al.). Improvement of the initial device (Sutter et al.) makes it possible to record both values of normal and tangential forces in orthogonal cutting. An analysis of the tool–chip friction is then possible for a large range of cutting speeds. The evolution of cutting force components as well as the evolution of the friction coefficient are presented and analyzed. In addition, the process of chip formation during high speed machining is i
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33

Sutter, Guy, Gautier List, Xue Feng Bi, Jean Jacques Arnoux, and Adbenbi Bouthiche. "Experimental Measurement of Friction Coefficient Applied to HSM Modeling." Advanced Materials Research 189-193 (February 2011): 4081–86. http://dx.doi.org/10.4028/www.scientific.net/amr.189-193.4081.

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An experimental method using a specifically set-up is presented in order to investigate dry friction phenomena, which occurs in the cutting process at the tool chip contact, in a wide range of sliding speed. A ballistic set-up using an air gun launch is used to measure the friction coefficient for the steel/carbide contact between 15 m/s and 80 m/s. A series of tests are conducted according to the sliding velocity and the normal pressure. These measurements are also introduced in a finite element simulation. The focus of this work is to determine the relevance of the friction modeling in the f
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34

Nakanishi, Eitoku, Seijiro Maki, and Makoto Aoki. "Press Cutting Characteristics of Plastic Pipe by Using Knife Edge Tool." Advanced Materials Research 565 (September 2012): 365–69. http://dx.doi.org/10.4028/www.scientific.net/amr.565.365.

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The hand tools for cutting plastic pipe are very useful. However, these tools require the user to exert enormous amounts of power. In order to improve the cutting performance of hand tools, we investigated the relationships among the geometry of the cutting tool, the distance between the supports of the plastic pipe, and the cutting force. We manufactured a special device for measuring the force required for cutting. Because the cross section of plastic pipe is not uniform, the cutting force does not remain constant and exhibits large peaks at the initial and the final stages of cutting. It is
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35

Begovic, Edin, Sabahudin Ekinovic, and Monja Jusufovic. "EXPERIMENTAL-ANALYTICAL DETERMINATION OF CUTTING CONDITIONS BY MEANS OF MINIMAL FRICTION FORCE ON RAKE PLANE OF THE CUTTING TOOL." International Journal of Advanced Research 10, no. 12 (2022): 1197–202. http://dx.doi.org/10.21474/ijar01/15957.

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In this paper, the influence of four factors on the forces during cutting, especially on the friction force was investigated. These factors are water quantity in MQL, speed, depth, and feed rate. In this study, the optimization of those factors to find their optimal combination for obtaining minimal intensity friction force has been looked into. The null hypothesis is that by using the MQL technique, the friction force can be significantly reduced. The experiment was planned using Taguchis L9 design of experiments. The study included performing the machining of the workpiece through different
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36

Rafiqovna, Isakova Zuhra. "TECHNOLOGICAL EDUCATION AND PROFESSIONAL CHOICE PLANNING." European International Journal of Multidisciplinary Research and Management Studies 02, no. 03 (2022): 82–92. http://dx.doi.org/10.55640/eijmrms-02-03-13.

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Technology teacher uses the method of interview to teach students the properties of solids, types of friction (physics), properties of polygons (geometry), properties of mixtures, emulsions and mineral oils (chemistry), etc. and based on the knowledge gained in these disciplines, the structure and cutting process of metals to be processed, the sharpening angles of cutting tools and the composition and properties of the fluid used to cool the part during processing, the friction surfaces of parts on the machine and friction by applying machine oil explains the methods.
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37

Zhou, Zeyuan, Ying Wang, and Zhijie Xia. "A novel activated sticking-sliding friction model along tool-chip interface and mechanism analysis in high-speed machining of Ti6Al4V." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 239, no. 3 (2024): 339–48. https://doi.org/10.1177/13506501241284321.

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Abstract Extreme contact conditions and high temperatures make it very difficult to assess the tribological performance of the tool-chip interface. In this study, a stick-slip friction formula based on activation functions is proposed. A thermomechanical dynamic coupling evolution model of friction stress at the tool-chip interface was established in Abaqus using VUMAT and VFRICTION to evaluate the friction behavior at the tool-chip interface under different cutting speed conditions during high-speed cutting of titanium alloys. The orthogonal cutting experiment was used to design simulation ex
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38

Martinkovič, Maroš, and Peter Pokorný. "Estimation of Local Plastic Deformation in Cutting Zone during Turning." Key Engineering Materials 662 (September 2015): 173–76. http://dx.doi.org/10.4028/www.scientific.net/kem.662.173.

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Local plastic deformation in cutting zone during turning is affected by technological conditions of the processes. Therefore it is needful to know detail structure changes of plastic deformed material during machining. It is localised, asymmetric deformation which operates at very large strains and exceptionally high strain rates. Three areas of intensive local plastic deformation in cutting zone were observed: the primary area of plastic deformation in shear plane, the secondary area of plastic deformation caused by friction of chip to tool face and the tertiary area of plastic deformation ca
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39

Araoyinbo, Alaba Oladeji, Mosunmola Bose Edun, Ayuba Ushe Samuel, Azmi Rahmat, Matthew Biola Biodun, and Mohammed Mustafa Albakri. "Influence of Cutting Fluid on Machining Processes: A Review." Jurnal Kejuruteraan 34, no. 3 (2022): 365–73. http://dx.doi.org/10.17576/jkukm-2022-34(3)-03.

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Machining process in Manufacturing system is the removal of material to produce a desired shape, size and, or weight of a particular part. This involves the use of cutting, grinding and boring tools as the case maybe, the process itself is not free from challenges that includes reduction in tool life which are usually affected and also the effect of friction which affects machine parts. Therefore, an engineering practice in manufacturing system is required to eliminate or bring to bare minimum the challenges in this machining processes, hence the cutting fluid technology is researched to be a
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40

Shailesh, R. A. "Surface finish and cutting efficiency in gingelly oil during machining: regression analysis." Frontier materials & technologies, no. 2 (2024): 101–11. http://dx.doi.org/10.18323/2782-4039-2024-2-68-9.

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This study evaluates the use of gingelly oil as an eco-friendly cutting fluid for the turning operation. Experiments were conducted to determine the effect of nose radius, and rake angle on tool wear, surface formation, and cutting force. In addition, different lubrication techniques, such as cutting fluids and bio-oils, were investigated to determine their potential for minimising friction, heat generation, and tool wear during machining. In comparison to dry cutting, and conventional petroleum-based lubricants, the results demonstrate that gingelly oil consistently produces smoother surface
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Tamin, Mohd Nasir, Sudin Izman, and Thet Thet Mon. "Thermal-Mechanical Responses of Ti-6Al-4V during Orthogonal Cutting Process." Defect and Diffusion Forum 273-276 (February 2008): 673–78. http://dx.doi.org/10.4028/www.scientific.net/ddf.273-276.673.

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Orthogonal metal cutting process involves large plastic deformation accompanied by excessive heat generation. This work addresses the thermal-mechanical responses of the workpiece material at the tool-workpiece contact. In this respect, the orthogonal cutting process of Ti-6Al-4V using CVD diamond tool is simulated using finite element method. The cutting condition consists of cutting speed, V=180 m/min, feed rate, t=0.125 mm/rev and width of cut of 1.25 mm. Eulerian formulation with coupled thermal-mechanical analysis is employed in the model. The Johnson- Cook constitutive equation is employ
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Risse, Konstantin, Matthias Schorgel, Dirk Bartel, Bernhard Karpuschewski, and Florian Welzel. "Resource-efficient piston ring/cylinder liner pairing." Industrial Lubrication and Tribology 71, no. 1 (2019): 154–63. http://dx.doi.org/10.1108/ilt-06-2018-0250.

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Purpose The purpose of this paper is to investigate the influence of different finish processes on the surface integrity and tribological behaviour of cylinder running surfaces for internal combustion engines. Design/methodology/approach The cutting force during finishing and the resulting surface topography was measured for a variety of cylinder running surfaces made of EN-GJL-250, EN-GJV-400 and thermal sprayed aluminium alloy. A separate conditioning tool was developed and tested. Different analysis methods (SEM, EDX, SIMS and FIB) for the characterisation of the boundary conditions were us
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Volosova, Marina, Artur Migranov, and Maksim Rai. "Modeling of Thermophysical Phenomena When Cutting with Coated Tools." EPJ Web of Conferences 248 (2021): 04019. http://dx.doi.org/10.1051/epjconf/202124804019.

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The results of computer simulation of thermophysical phenomena in the contact zone during blade cutting of metals with multi-layer composite wear-resistant coatings that ensure the adaptability of the cutting wedge to friction conditions are presented. On-site experimental studies of the cutting temperature during turning with various coatings, structural-phase analysis of the surface layer of the cutting tool to explain the mechanism of formation of secondary structures with a shielding effect – the effect of selforganization.
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Li, Xubo, Jianming Zheng, Yan Li, Lingfei Kong, Weichao Shi, and Bian Guo. "Modeling and Distribution Laws of Drilling Force for Staggered Teeth BTA Deep Hole Drill." Mathematical Problems in Engineering 2018 (October 9, 2018): 1–13. http://dx.doi.org/10.1155/2018/3691468.

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The boring and trepanning association (BTA) deep hole drilling is a typical self-guiding machining method. The drilling force and its distribution laws along the cutting radius directly affect the stability of drilling and the quality of machined hole. Based on the oblique cutting theory, a novel drilling force model is developed to predict the thrust and torque for staggered teeth BTA deep hole drill with variable geometries. Using the constraint relationships between the cutting force components and cutting angles, combined with the measured drilling force during the drill entrance, the para
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45

Yang, Hu, Renxin Wang, Ziming Guo, Rongchuan Lin, Shasha Wei, and Jianchun Weng. "Cutting Performance of Multicomponent AlTiZrN-Coated Cemented Carbide (YG8) Tools during Milling of High-Chromium Cast Iron." Coatings 12, no. 5 (2022): 686. http://dx.doi.org/10.3390/coatings12050686.

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In order to improve the cutting performance of cemented-carbide (YG8) tools during the milling of high-chromium cast iron, AlTiZrN coating was deposited on the surface of YG8 samples and milling tools by physical vapor deposition (PVD) technology. The micromorphology and mechanical properties of the coating were studied by the experimental method, and the cutting performance of the coated tools was tested by a milling machining center. The results show that the AlTiZrN coating presents the face-centered cubic (fcc) structure of TiN. The average microhardness is 3887 HV0.05. The bonding strengt
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46

Tanaka, Hidetake. "A Study on a Novel Process Combines Cutting and Joining by an Automatic Lathe." Solid State Phenomena 354 (December 20, 2023): 91–98. http://dx.doi.org/10.4028/p-aqwld5.

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The Swiss-type automatic lathe is designed for continuous mass production of the same product. In the research, the authors propose a combined turning process in which a joining process using the frictional welding method is introduced into the automatic lathe. If the joining process is performed with a Swiss-type automatic lathe, it is expected that the problem of a large amount of residual material due to the mechanical structure can be solved. Generally, the friction welding method is performed by a dedicated machine and is pressure controlled by a hydraulic power source, however in the cas
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47

Posypanov, Sergey V., Sergey P. Karpachev та Vladimir I. Kleveko. "Расчетные усилия при торцевании лесосплавных пучков в условиях береговых складов". Lesnoy Zhurnal (Forestry Journal), № 1 (1 лютого 2025): 164–76. https://doi.org/10.37482/0536-1036-2025-1-164-176.

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For long distances of round timber delivery, transport in rafts is often the only economically viable option. The bank bundling of logs predominates. To increase their strength and solid-volume ratio, which implies a reduction in towing costs, cross-cutting of the bundles is provided. The formulas obtained earlier for determining the cutting force do not include the bundle shape coefficient – the main criterion by which the resistance to the longitudinal movement of timber is evaluated during timber rafting. The additional pressure in the bundle due to the presence of strapping has not been ta
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48

MIGRANOV, A. M., M. Sh MIGRANOV, A. F. SADYKOV, and I. I. KHUSAENOV. "MODELING OF THERMOPHYSICAL PHENOMENA." Bulletin of the Tver State Technical University. Series «Engineering», no. 3 (2020): 13–21. http://dx.doi.org/10.46573/2658-5030-2020-3-13-21.

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The results of the computer modeling of thermophysical phenomena in the contact zone during blade cutting of metals with multi-layer composite wear-resistant coatings are presented. These results ensure the adaptability of the cutting wedge to friction conditions. In-situ experimental studies of the cutting temperature during turning with various coatings and structural-phase analysis of the surface layer of the cutting tool were carried out to explain the mechanism of formation of secondary structures with a shielding effect - the self-organization effect.
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49

Chowdhury, Mohammad A., Suman Das, and Uttam K. Debnath. "Estimation of the friction coefficient in turning process of metals through model experiment." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 232, no. 6 (2017): 685–92. http://dx.doi.org/10.1177/1350650117726463.

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An in-procedure tribometer is analyzed to assess the friction during orthogonal turning process at cutting rates of up to 300 m/min to determine genuine cutting procedure conditions. The examined tribometer consists of a spring preloaded tungsten carbide with (5% to 8%) cobalt pin with the rounded tip mounted behind the bleeding edge and in contact with the naturally produced workpiece plane. The pin preload is fitted by feed power or force. A 3D-feed force measuring gadget in the obsession of the pin facilitates the assessment of the friction coefficient from tangential and typical strengths.
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50

Wang, Q., C. Lu, G. G. Ye, and L. H. Dai. "Modelling the tuned criticality in stick-slip friction during metal cutting." Modelling and Simulation in Materials Science and Engineering 23, no. 5 (2015): 055013. http://dx.doi.org/10.1088/0965-0393/23/5/055013.

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