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Relevant bibliographies by topics / Laser assisted turning

Academic literature on the topic 'Laser assisted turning'

Author: Grafiati

Published: 10 December 2022

Last updated: 28 January 2023

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Journal articles on the topic "Laser assisted turning"

1

Wu, Xue Feng, Hong Zhi Zhang, and Yang Wang. "Laser Assisted Turning of Sintered Silicon Nitride." Key Engineering Materials 458 (December 2010): 113–18. http://dx.doi.org/10.4028/www.scientific.net/kem.458.113.

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Laser assisted turning is an effective method machining difficult-to-machine materials such as ceramics, which uses a high power laser to focally heat a workpiece prior to material removal with a traditional cutting tool. A transient, three-dimensional heat transfer model was developed for laser assisted turning of silicon nitride using Finite Element Method to understand the thermal process of laser heating and to optimize the operating parameters. A laser assisted turning experiment system was set up to investigate the thermal conditions and cutting process of laser assisted turning of sintered silicon nitride and the experiments were conducted on the system using selected parameters. Effects of cutting parameters on cutting forces and specific cutting energy were investigated. Forces on the chip and SEM micrographs of chip morphology were studied to discuss the material removal mechanism of laser assisted turning of silicon nitride. Tool wear, surface roughness of the machined surface and the quality of subsurface were investigated. The results showed that the heat transfer model could be used to optimize the cutting parameters and laser assisted turning method could increase the machining efficiency while maintaining machining quality and reasonable levels of tool wear. A method of optimizing LAM based on the thermal model was presented.

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2

Arrizubieta, J. I., F. Klocke, S. Gräfe, K. Arntz, and A. Lamikiz. "Thermal Simulation of Laser-assisted Turning." Procedia Engineering 132 (2015): 639–46. http://dx.doi.org/10.1016/j.proeng.2015.12.542.

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Habrat, Witold F. "Experimental Investigation of Effect of the Laser-Assisted Finish Turning of Ti-6Al-4V Alloy on Machinability Indicators." Solid State Phenomena 261 (August 2017): 135–42. http://dx.doi.org/10.4028/www.scientific.net/ssp.261.135.

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In this paper, the experimental studies of the finish turning of Ti-6Al-4V titanium alloy with the laser-assisted machining were described. For the tests, a cemented carbide tool was used. The influence of the laser heating on the microstructure of Ti-6Al-4V titanium alloy for kinematics corresponding with the turning process was determined. For a laser scanning rate of 80 m/min and laser power 1200W, the maximum depth of the melted zone was about 50 μm. The beneficial effect of laser assisted machining on components of the cutting force was established. For a cutting speed of 80 m/min, feed rate 0.1 mm/rev, depth of cut 0.25 mm and laser power 1200 W, over 60% reduction of the tangential components of cutting force was observed. The chip-breaking effect for the conventional and the laser-assisted processes was determined. Roughness parameters of the surface after the conventional and laser-assisted turning are compared.

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Chwalczuk, Tadeusz, Paweł Lisiak, Piotr Siwak, Damian Przestacki, and Piotr Szablewski. "Laser assisted turning of Inconel 718 alloy." Mechanik, no. 8-9 (September 2016): 1118–19. http://dx.doi.org/10.17814/mechanik.2016.8-9.276.

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Chwalczuk, Tadeusz, Damian Przestacki, Piotr Szablewski, and Agata Felusiak. "Microstructure characterisation of Inconel 718 after laser assisted turning." MATEC Web of Conferences 188 (2018): 02004. http://dx.doi.org/10.1051/matecconf/201818802004.

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The paper presents the discussion about the possibility of optimising heating and cutting parameters for turning under laser assisted machining (LAM) conditions. The samples of Inconel 718 after annealing and ageing were used. The laser heating experiments were carried out on the stand equipped with the CO2 molecular laser. Characterisation of samples was performed by an optical microscope, hardness measurements, scanning electron microscopy (SEM) to ensure the exact depth of heat affect zone range and to optimised further cutting parameters. Different absorbing layers for laser beam impact improvement were tested. Turning trials were performed with constant cutting speed vc = 28 m/min and feed f = 0,2 mm/rev. The influence of depth of cut ap on microstructure and its properties were investigated. It was proven that for sequential LAM dendritic structure appears in the laser affected zone of the Ni-based alloy. Such microstructures cause better machinability of Inconel 718 due to surface softening.

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Bejjani, R., B. Shi, H. Attia, and M. Balazinski. "Laser assisted turning of Titanium Metal Matrix Composite." CIRP Annals 60, no. 1 (2011): 61–64. http://dx.doi.org/10.1016/j.cirp.2011.03.086.

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Warap, N. M., Zazuli Mohid, and Erween Abdul Rahim. "Laser Assisted Machining of Titanium Alloys." Materials Science Forum 763 (July 2013): 91–106. http://dx.doi.org/10.4028/www.scientific.net/msf.763.91.

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Laser assisted machining is categorized in preheat machining process. The laser beam used to heat up work materials is very flexible in providing a localized heat area. However the combination between two processes which has totally different fundamental has contributed to complex processing characteristics. In the case of hard to machined metal processing, problems in surface integrity and accuracy are frequently arise. Tool ware and work material properties changes are some of the issue that drove engineers and researchers to seek for optimized processing parameters. This chapter introduces resent finding in research done on laser assisted machining (LAM). Focus is given on laser assisted mechanical machining consist of laser assisted milling (LAM) and laser assisted turning (LAT).

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Zhao, Fu, William Z. Bernstein, Gautam Naik, and Gary J. Cheng. "Environmental assessment of laser assisted manufacturing: case studies on laser shock peening and laser assisted turning." Journal of Cleaner Production 18, no. 13 (September 2010): 1311–19. http://dx.doi.org/10.1016/j.jclepro.2010.04.019.

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Felusiak, Agata, Tadeusz Chwalczuk, and Martyna Wiciak. "Surface Roughness Characterization of Inconel 718 after Laser Assisted Turning." MATEC Web of Conferences 237 (2018): 01004. http://dx.doi.org/10.1051/matecconf/201823701004.

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This paper describes the surface roughness parameters evaluation of Inconel 718 (43 HRC) after turning under laser assisted conditions. The experiment was conducted for cemented carbides inserts under various cutting and laser heating parameters. Tesets based on central composite research program allows to describe an interaction between input (cutting speed vc, laser power P, feed f) and output (roughness parameters according to PN-ISO 4288: Ra, Rz, Rt, Rsk, RSm, Rdq) parameters. The results showed that laser power density decrease values of amplitude type of roughness parameters. Such occurrence is not observed for horizonal and hybrid parameters of surface. The function is not described by monotonic projection. Therefore optimization by usability function was performed to observe complex interaction between input and output values. The findings of this work define which one of values from cutting speed, laser power and feed values have crucial impact on surface roughness constitution.

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Nasr, Mohamed N. A., Mohamed Balbaa, and Hassan Elgamal. "Modelling Machining-Induced Residual Stresses after Laser-Assisted Turning of Steels." Advanced Materials Research 996 (August 2014): 622–27. http://dx.doi.org/10.4028/www.scientific.net/amr.996.622.

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The current study examines the effects of laser assistance on machining-induced residual stresses (RS), using finite element modelling, during turning of steels. Dry orthogonal cutting was modelled, along with the pre-heating effect of the laser beam. AISI 4340 steel was used in the current work. Laser-assisted machining (LAM) resulted in higher surface tensile RS compared to conventional machining, with more pronounced effects at lower feed rates. This is basically because the assisted material experienced higher plastic deformation, due to thermal softening, as well as higher temperatures, which are both attributed to the pre-heating effect of LAM.

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Book chapters on the topic "Laser assisted turning"

1

Motta, A., F. Buscaglia, L. Covelli, and M. Poli. "L. A. M. (Laser Assisted Machining) Turning Tests on Inconel 718." In Proceedings of the Thirty-Second International Matador Conference, 387–92. London: Macmillan Education UK, 1997. http://dx.doi.org/10.1007/978-1-349-14620-8_61.

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Deswal, N., and R. Kant. "A Study on Ultrasonic Vibration and Laser-Assisted Turning of Aluminum Alloy." In Advances in Forming, Machining and Automation, 165–72. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-3866-5_14.

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Habrat, Witold, Krzysztof Krupa, Piotr Laskowski, and Jan Sieniawski. "Experimental Analysis of the Cutting Force Components in Laser-Assisted Turning of Ti6Al4V." In Advances in Manufacturing Engineering and Materials, 237–45. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99353-9_26.

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Ntekim, Atara. "Essential Elements in Improving Oncology in Low- and Middle-Income Countries (LMICs) and Examples for Their Implementation in Nigeria." In Improving Oncology Worldwide, 99–106. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-96053-7_13.

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AbstractIn this chapter, I will summarize the major elements contributing to poor cancer disease outcomes in low- and middle-income countries and suggestions on how to address them. Many measures proposed herein involve social work, public education, and only in later stages health-care workforce. Taking the current COVID-19 pandemic as a starting point, launching public health education and vaccination programs together with raising public awareness for lifestyle-driven diseases may prove a turning point in cancer prevention in many low- and middle-income countries. Collaboration with institutions in high-income countries is also advocated. This will assist in supporting upgrade of facilities, training, logistics support, and data acquisition and management as well as funding of essential cancer services.

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"Laser-Assisted Turning." In CIRP Encyclopedia of Production Engineering, 1018. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-53120-4_300365.

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"Laser-Assisted Turning." In CIRP Encyclopedia of Production Engineering, 748. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-20617-7_100252.

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Zou, Ping, Yingjian Tian, Wenjie Wang, Jilin Xu, and Di Kang. "2 Vibration assisted machining: turning, drilling, cutting, and laser polishing." In Nonconventional Machining, 25–90. De Gruyter, 2022. http://dx.doi.org/10.1515/9783110584479-002.

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Conference papers on the topic "Laser assisted turning"

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Katsuhiko, Sakai, and Suzuki Yasuo. "Laser assisted turning of hardened steel." In ICALEO® 2005: 24th International Congress on Laser Materials Processing and Laser Microfabrication. Laser Institute of America, 2005. http://dx.doi.org/10.2351/1.5060580.

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Klocke, Fritz, and Thomas Bergs. "Laser-assisted turning of advanced ceramics." In Lasers and Optics in Manufacturing III, edited by Rolf-Juergen Ahlers and Gunther Reinhart. SPIE, 1997. http://dx.doi.org/10.1117/12.281309.

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3

Shahinian, Hossein, Charan Bodlapati, Jayesh Navare, Robert Turnbull, Di Kang, and Yuxiang Zhong. "Laser assisted diamond turning of silica glasses." In Optical Fabrication and Testing. Washington, D.C.: OSA, 2021. http://dx.doi.org/10.1364/oft.2021.ow4b.4.

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4

Tavakoli, Salar, Helmi Attia, Raul Vargas, and Vincent Thomson. "Laser Assisted Finish Turning of Inconel 718: Process Optimization." In ASME 2009 International Manufacturing Science and Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/msec2009-84211.

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Generally, superalloys have superior strength and toughness compared to conventional engineering material. However, while applications for such materials are growing, the improvement of their machinability has not been improved in parallel. Of particular interest to the aerospace industry, are nickel-based superalloys. Inconel 718, which is one type of nickel-based superalloy, is considered difficult-to-machine at room temperature due to the fact that it retains much of its strength at high temperatures. Conventional machining methods applied to these materials results in excessive tool wear and poor surface finish. One approach, which is becoming increasingly popular with difficult-to-machine materials, is laser assisted machining (LAM). This study assesses the effect of LAM on the machinability of Inconel 718 using a triple-layer coated carbide tool in terms of cutting forces, tool wear and surface finish. A focused Nd:YAG laser beam was used as a localized heat source to thermally soften the workpiece prior to material removal. Finishing operations were assumed throughout the experiments. Cutting tests were performed over a wide range of cutting speeds (ranging from 100 to 500 m/min) and feeds (ranging from 0.125 to 0.500 mm/rev) to determine the optimum cutting speed and feed for each tool material. Results showed a significant drop in all three components of cutting force when thermal softening caused by the laser power was in effect. A two to three fold improvement was observed in terms of surface finish and tool wear under LAM conditions when compared to conventional machining.

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5

wu, xuefeng, and Xianliang Zhou. "Laser-assisted turning spot detection algorithm for workpiece surface." In The Second International Conference on Image, Video Processing and Artificial Intelligence, edited by Ruidan Su. SPIE, 2019. http://dx.doi.org/10.1117/12.2547838.

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6

Zhao, Fu, Gautam Naik, and Li Zhang. "Environmental Sustainability of Laser-Based Manufacturing: Case Studies on Laser Shock Peening and Laser Assisted Turning." In ASME 2009 International Manufacturing Science and Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/msec2009-84206.

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Laser assisted manufacturing (LAM) processes, when compared with traditional manufacturing processes, have the potential to reduce cost, increase surface finish, extend part/tool life, and expand the range of manufacturable materials. However, very limited research has been done to evaluate the environmental performance of laser assisted processes and it is generally not clear how LAM processes compare with traditional methods. This paper conducts case studies on two representative laser based processes, i.e. laser shock peening of 7065 T7351 Aluminum and laser assisted turning of compacted graphite iron. Life cycle assessment is used to benchmark the environmental performance of these two processes to conventional processes, i.e. shot peening and dry turning, respectively. The life cycle inventory of both the laser based processes and conventional processes are developed using SimaPro v7.1 and Ecoinvent 2.0 and life cycle impact assessment is performed using US EPA TRACI. It is found that environmental performance of laser based processes varies significantly from process to process due to materials and energy consumption. Laser shock peening of aluminum has much better performance when over all environmental impact categories considered. Contribution analysis indicates that this is mainly due to the fact that laser shock peening does not need shot medium and at the same time significantly extends fatigue life of the workpiece. However, due to high electricity consumption and use of absorptive paint, laser assisted turning of compacted graphite iron has much higher environmental impacts than traditional dry turning, even after extending the tool life significantly.

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XIE, QIMING, SIYUAN QIN, RUIWEN GENG, WANQING ZHANG, and XIAOJING YANG. "Progress in research and application of laser assisted turning technique." In Conference on Optoelectronics and Nanophotonics, edited by Guixin Li, Chaoyang Lu, Jianyu Wang, Zhiping Zhou, Changjun Min, Lixing You, and Haiqing Song. SPIE, 2020. http://dx.doi.org/10.1117/12.2580372.

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Kang, Di, Jayesh Navare, Yang Su, Dmytro Zaytsev, Deepak Ravindra, and Hossein Shahinian. "Observations on Ductile Laser Assisted Diamond Turning of Tungsten Carbide." In Freeform Optics. Washington, D.C.: OSA, 2019. http://dx.doi.org/10.1364/freeform.2019.jt5a.11.

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9

Janvrin, Bruce C., and P. A. Molian. "Nd:YAG laser-assisted turning system for ductile machining of ceramic materials." In ICALEO® ‘93: Proceedings of the Laser Materials Processing Conference. Laser Institute of America, 1993. http://dx.doi.org/10.2351/1.5058643.

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Shahinian, Hossein, Jayesh A. Navare, Charan Bodlapati, Dmytro Zaytsev, Di Kang, and Deepak Ravindra. "Micro-laser assisted single point diamond turning of fused silica glass." In Optifab 2019, edited by Blair L. Unger and Jessica DeGroote Nelson. SPIE, 2019. http://dx.doi.org/10.1117/12.2536282.

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