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Artículos de revistas sobre el tema "Machining of titanium alloys"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 13 de febrero de 2022

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1

Kahles, J. F., M. Field, D. Eylon, and F. H. Froes. "Machining of Titanium Alloys." JOM 37, no. 4 (1985): 27–35. http://dx.doi.org/10.1007/bf03259441.

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2

RAHMAN, Mustafizur, Zhi-Gang WANG, and Yoke-San WONG. "An Overview of High-speed Machining of Titanium Alloys." Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 2005.1 (2005): 19–28. http://dx.doi.org/10.1299/jsmelem.2005.1.19.

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3

Nakamura, Sadayuki. "Machinability of free-machining pure titaniums and free-machining titanium alloys." DENKI-SEIKO[ELECTRIC FURNACE STEEL] 60, no. 3 (1989): 272–78. http://dx.doi.org/10.4262/denkiseiko.60.272.

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4

Nabhani, Farhad. "Machining of aerospace titanium alloys." Robotics and Computer-Integrated Manufacturing 17, no. 1-2 (2001): 99–106. http://dx.doi.org/10.1016/s0736-5845(00)00042-9.

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5

Yang, Xiaoping, and C. Richard Liu. "MACHINING TITANIUM AND ITS ALLOYS." Machining Science and Technology 3, no. 1 (1999): 107–39. http://dx.doi.org/10.1080/10940349908945686.

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6

Sedlák, Josef, Tomas Drábek, Katerina Mouralová, Josef Chladil, and Karel Kouřil. "Machining Issues of Titanium Alloys." International Journal of Metalcasting 9, no. 2 (2015): 41–50. http://dx.doi.org/10.1007/bf03355614.

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7

Pramanik, Alokesh, M. N. Islam, Animesh Basak, and Guy Littlefair. "Machining and Tool Wear Mechanisms during Machining Titanium Alloys." Advanced Materials Research 651 (January 2013): 338–43. http://dx.doi.org/10.4028/www.scientific.net/amr.651.338.

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This paper investigates the machining mechanism of titanium alloys and analyses those understandings systematically to give a solid understanding with latest developments on machining of titanium alloys. The chip formation mechanism and wear of different cutting tools have been analyzed thoroughly based on the available literature. It is found that the deformation mechanism during machining of titanium alloys is complex and it takes place through several processes. Abrasion, attrition, diffusion–dissolution, thermal crack and plastic deformation are main tool wear mechanisms.

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8

Barnes, John E., Yung C. Shin, Milan Brandt, and Shou Jin Sun. "High Speed Machining of Titanium Alloys." Materials Science Forum 618-619 (April 2009): 159–63. http://dx.doi.org/10.4028/www.scientific.net/msf.618-619.159.

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Removal rates for machining titanium alloys are an order of magnitude slower than those for aluminum. The high strength and hardness coupled with the relatively low elastic modulus and poor thermal conductivity of titanium contribute to the slow speeds and feeds that are required to machine titanium with acceptable tool life. Titanium has extremely attractive properties for air vehicles ranging from excellent corrosion resistance to good compatibility with graphite reinforced composites and very good damage tolerance characteristics. At current Buy to Fly ratios, the F-35 Program will consume

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9

Kimura, A., and S. Nakamura. "Development of free-machining pure titanium and free-machining titanium alloys." Bulletin of the Japan Institute of Metals 27, no. 5 (1988): 397–99. http://dx.doi.org/10.2320/materia1962.27.397.

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10

Nakamura, Sadayuki. "Development of free-machining pure titanium and free-machining titanium alloys." DENKI-SEIKO[ELECTRIC FURNACE STEEL] 59, no. 2 (1988): 79–86. http://dx.doi.org/10.4262/denkiseiko.59.79.

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11

Kuruc, Marcel, Martin Sahúl, Marek Zvončan, Jozef Peterka, and Ľubomír Čaplovič. "Cryogenic Rotary Ultrasonic Machining of Titanium Alloys." Research Papers Faculty of Materials Science and Technology Slovak University of Technology 21, Special-Issue (2013): 179–85. http://dx.doi.org/10.2478/rput-2013-0030.

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Abstract Titanium alloys are utilized especially in applications that require a good combination of high strength, low mass and good corrosion resistance in aggressive environments. However, mechanical properties prejudge titanium alloys to hard machinability. Machining of titanium alloys is usually accompanied by cooling with liquids or gasses. One of the most effective cooling approaches is cooling by liquid nitrogen. Liquid nitrogen decreases temperature of tool, but also increases strength, hardness and brittleness of workpiece. One of the most suitable machining methods to machine hard an

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12

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

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13

Kertesz, J., R. J. Pryor, D. W. Richerson, and R. A. Cutler. "Machining Titanium Alloys with Ceramic Tools." JOM 40, no. 5 (1988): 50–51. http://dx.doi.org/10.1007/bf03258917.

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14

Cao, Guo Qiang, Yi Tong Dai, and Lan Yao. "Study on Mechanism of Electrochemical Micro-Machining of Titanium Alloys." Applied Mechanics and Materials 130-134 (October 2011): 2269–72. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.2269.

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Using electrochemical machining process in air difficult machining materials is already become the mainstream of aeronautical production techniques, and electrochemical micro-machining is the top priority, Through the study of each variable in the process of electrochemical micro-machining of titanium alloys, obtain the characteristics mechanism of electrochemical micro-machining of titanium alloys. Through the analysis of its mechanism, obtain the summarized trends and interrelationships of the various elements in electrochemical micro-machining of titanium alloys.

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15

Haas, Franz, Philipp Zopf, and Jörg Edler. "Progress in Titanium Machining." Materials Science Forum 879 (November 2016): 659–64. http://dx.doi.org/10.4028/www.scientific.net/msf.879.659.

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Milling and drilling of titanium alloys represent a key technology for the aircraft manufacturers. The balancing act between production costs and tool costs leads to the need of tests and an optimized setup of the whole process. A Styrian consortium with experts in materials, tools and machining has been formed to extend the tool life in machining of titanium alloys. A series of tests is set up to evaluate the roughing and finishing operations. For finishing operations ultrasonic assisted milling is introduced and compared with conventional milling. Force measurement and optical wear detection

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16

Krishnaraj, V. "Optimization of Process Parameters in Micro-EDM of Ti-6Al-4V Alloy." Journal for Manufacturing Science and Production 16, no. 1 (2016): 41–49. http://dx.doi.org/10.1515/jmsp-2015-0024.

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AbstractTitanium alloys are categorized as light weight materials posse greater strength and toughness and are usually known to create major challenges during conventional and non-conventional machining. In general, these alloys are referred as difficult to machine materials. Titanium alloy (Ti-6Al-4V) suffers poor machinability for most cutting processes, especially the generation of micro-holes using traditional machining methods. Electrical Discharge Machining (EDM) is suitable for machining titanium alloys, although selection of machining parameters for higher machining rate and accuracy i

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17

Saboktakin Rizi, Mohsen, Gholam Reza Razavi, Mojtaba Ostadmohamadi, and Ali Reza Havaie. "Optimization Electro Discharge Machining of Ti-6Al-4V Alloy with Silicon Carbide Powder Mixed." Advanced Materials Research 566 (September 2012): 466–69. http://dx.doi.org/10.4028/www.scientific.net/amr.566.466.

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The Ti-6Al-4V alloy is the most important and widely used titanium alloy which enjoys the welding, forging and machining capabilities. However brittle at high temperatures and low thermal conductivity caused restrictions to deformation and machining of this alloy. So advanced methods machining such as Electrical discharge machining has been developed for titanium and its alloys. One of the ways to improve the performance of electrical discharge machining method is to add the powder to the dielectric. Depending on the type of powder used the different results are achieved. In this study the eff

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18

Hassan, M. R., Mershad Mehrpouya, and S. Dawood. "Review of the Machining Difficulties of Nickel-Titanium Based Shape Memory Alloys." Applied Mechanics and Materials 564 (June 2014): 533–37. http://dx.doi.org/10.4028/www.scientific.net/amm.564.533.

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The purpose of this study is to identify machining difficulties of nickel-titanium based shape memory alloys. Nickel-titanium (Nitinol) is one the widely used shape memory material which is applied in many products in the aerospace, medical, and biomedical fields. NiTi alloy cannot be machined easily because of high tool wear, high cutting force, huge hardness and surface defects are made many problems into their machining. Investigation in micron precision shows plenty surface defects in machining process, something like debris of microchips, feed marks, tearing surface, deformed grains, mate

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19

Gupta, Vivudh, R. K. Mishra, and Balbir Singh. "Machining of titanium and titanium alloys by electric discharge machining process: a review." International Journal of Machining and Machinability of Materials 22, no. 2 (2020): 99. http://dx.doi.org/10.1504/ijmmm.2020.10027192.

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20

Gupta, Vivudh, Balbir Singh, and R. K. Mishra. "Machining of titanium and titanium alloys by electric discharge machining process: a review." International Journal of Machining and Machinability of Materials 22, no. 2 (2020): 99. http://dx.doi.org/10.1504/ijmmm.2020.105661.

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21

Polishetty, Ashwin, Basil Raju, and Guy Littlefair. "Secondary Machining Characteristics of Additive Manufactured Titanium Alloy Ti-6Al-4V." Key Engineering Materials 779 (September 2018): 149–52. http://dx.doi.org/10.4028/www.scientific.net/kem.779.149.

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Titanium alloy, Ti-6Al-4V is a popular alloy used in wide range of design applications mostly in aerospace and biomedical industry due to its advantageous material properties. This research is based on threading operation in a cylindrical workpiece of Ti-6Al-4V additive manufactured by Selective Laser Melting (SLM) technique. Secondary machining is described as the operations that are performed on the workpiece after a primary machining in order to achieve a required finish and form. Common secondary operations after drilling includes threading, reaming and knurling. Threading is a significant

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22

Palanisamy, Suresh, Luo Cong, Viktor Verijenko, Stuart D. McDonald, Robert Owen, and Matthew S. Dargusch. "Tool Failure Criteria while Drilling Titanium Alloys." Materials Science Forum 654-656 (June 2010): 2531–34. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.2531.

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This paper presents a feasible machining test to measure, compare and predict the machinability of different titanium alloys. A drilling test was developed and investigated on the two most common grades of titanium, commercial purity and Ti6Al4V. The experiments and analysis revealed that tool wear followed a characteristic pattern for all machining conditions investigated. When machining Ti6Al4V, tool life was shorter and cutting forces higher compared with commercial purity Ti. Paradoxically, despite the more difficult machining, Ti6Al4V samples had better surface integrity than commercial p

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23

Liu, Dongsheng, Ying Zhang, Ming Luo, and Dinghua Zhang. "Investigation of Tool Wear and Chip Morphology in Dry Trochoidal Milling of Titanium Alloy Ti–6Al–4V." Materials 12, no. 12 (2019): 1937. http://dx.doi.org/10.3390/ma12121937.

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Titanium alloys are widely used in the manufacture of aircraft and aeroengine components. However, tool wear is a serious concern in milling titanium alloys, which are known as hard-to-cut materials. Trochoidal milling is a promising technology for the high-efficiency machining of hard-to-cut materials. Aiming to realize green machining titanium alloy, this paper investigates the effects of undeformed chip thickness on tool wear and chip morphology in the dry trochoidal milling of titanium alloy Ti–6Al–4V. A tool wear model related to the radial depth of cut based on the volume of material rem

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24

Kumar, Sanjeev, Ajay Batish, Rupinder Singh, and TP Singh. "Machining performance of cryogenically treated Ti–5Al–2.5Sn titanium alloy in electric discharge machining: A comparative study." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 231, no. 11 (2016): 2017–24. http://dx.doi.org/10.1177/0954406215628030.

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In the present study, the effect of cryogenic treatment on the machining performance of Ti–5Al–2.5Sn alpha titanium alloy was investigated during electric discharge machining. Untreated, shallow cryogenically treated (−110 ℃), and deep cryogenically treated (−184 ℃) titanium alloys were machined by varying current and pulse-on-time. The machining performance was measured in terms of higher material removal rate and microhardness and low tool wear rate and surface roughness. The results showed a significant improvement in the machining performance with deep cryogenically treated alloy when comp

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25

Gupta, Kapil, and Rudolph F. Laubscher. "Sustainable machining of titanium alloys: A critical review." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 231, no. 14 (2016): 2543–60. http://dx.doi.org/10.1177/0954405416634278.

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The three main pillars of sustainability are the society, the environment, and the economy (people, planet, and profit). The key drivers that sustain these three pillars are energy and resource efficiency, a clean and ‘green’ environment that incorporates effective waste reduction and management, and finally cost-effective production. Sustainable manufacturing implies technologies and/or techniques that target these key drivers during product manufacture. Because of the effort and costs involved in the machining of titanium and its alloys, there is significant scope for improved sustainable ma

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26

da Silva, Rosemar Batista, Márcio Bacci da Silva, Wisley Falco Sales, Emanuel Okechukwu Ezugwu, and Álisson Rocha Machado. "Advances in the Turning of Titanium Alloys with Carbide and Superabrasive Cutting Tools." Advanced Materials Research 1135 (January 2016): 234–54. http://dx.doi.org/10.4028/www.scientific.net/amr.1135.234.

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Machining efficiency of titanium alloys is crucial to the aerospace industry especially in the manufacture of bladed discs (blisks) where over 80% of titanium alloy material is roughed out to generate the complex shapes and contours of components. The choice of the right tool materials for machining titanium alloys contributes enormously to reducing the overall machining time by significantly lowering the cycle time and indexing of the cutting edges. These improvements lead to a reduction of the manufacturing cost by up to 30%. Uncoated and coated carbide tools have demonstrated encouraging pe

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27

Sadiq, Taoheed O., Sulaiman A. Olawore, and Jamaliah Idris. "Energy Consideration in Machining Titanium Alloys with a Low Carbon Manufacturing Requirements: A Critical Review." International Journal of Engineering Research in Africa 35 (March 2018): 89–107. http://dx.doi.org/10.4028/www.scientific.net/jera.35.89.

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Machining of titanium alloys poses a serious challenge for the industry, due to its tendency to work harden during the machining process, high cutting temperatures, high cutting pressures, chatter, and its reactivity with tool materials over 500°C. In conjunction with its low thermal conductivity and low modulus of elasticity, these factors impede the machinability of titanium. This work presents an overview on machining the Titanium Alloy by considering the energy involved in the manufacturing processes in order to have a low carbon manufacturing requirements by evaluating carbon emission in

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28

Darsin, Mahros, and Hari Arbiantara Basuki. "Development Machining of Titanium Alloys: A Review." Applied Mechanics and Materials 493 (January 2014): 492–500. http://dx.doi.org/10.4028/www.scientific.net/amm.493.492.

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Titanium and its alloys are hard materials, wear resistant, high strength to weight ratio. Therefore this material become very promising, especially in aerospace application. However, its application restrict when face machining processes. This material is very hard which is very difficult to manufacture by machining. Its low Youngs modulus tends to springy and creates vibration or chatter. Moreover, it has low heat dissipation rate that make the heat concentrate in the tool tip especially in the friction surface between tool and chip. Those phenomena result in very low tool life and low quali

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29

USUKI, Hiroshi, Shintarou Hara, and Satoshi FURUYA. "3517 Oxygen Enriched Machining of Titanium Alloys." Proceedings of the JSME annual meeting 2007.4 (2007): 251–52. http://dx.doi.org/10.1299/jsmemecjo.2007.4.0_251.

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30

Palanisamy, Suresh, Matthew S. Dargusch, Stuart D. McDonald, and David H. St. John. "Machining of Titanium Alloys with and without Coolant." Materials Science Forum 690 (June 2011): 481–84. http://dx.doi.org/10.4028/www.scientific.net/msf.690.481.

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Machining titanium is challenging due to its low thermal conductivity which results in very high temperatures at the tool/workpiece interface and in addition there is a tendency for titanium to react with most cutting materials, resulting in surface and subsurface deformation in the workpiece. This paper investigates the relationship between vibration and surface deformation that occurs while machining commercially pure titanium and Ti6Al4V alloy materials under both wet and dry machining conditions. The results have demonstrated that vibration monitoring (normalised peak frequency amplitude)

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31

Wstawska, Iwona, and Krzysztof Ślimak. "The influence of cooling techniques on cutting forces and surface roughness during cryogenic machining of titanium alloys." Archives of Mechanical Technology and Materials 36, no. 1 (2016): 12–17. http://dx.doi.org/10.1515/amtm-2016-0003.

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Abstract Titanium alloys are one of the materials extensively used in the aerospace industry due to its excellent properties of high specific strength and corrosion resistance. On the other hand, they also present problems wherein titanium alloys are extremely difficult materials to machine. In addition, the cost associated with titanium machining is also high due to lower cutting velocities and shorter tool life. The main objective of this work is a comparison of different cooling techniques during cryogenic machining of titanium alloys. The analysis revealed that applied cooling technique ha

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32

Rahmath Zareena, A., M. Rahman, and Y. S. Wong. "Binderless CBN Tools, a Breakthrough for Machining Titanium Alloys." Journal of Manufacturing Science and Engineering 127, no. 2 (2005): 277–79. http://dx.doi.org/10.1115/1.1852570.

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In an attempt to find an appropriate cutting tool for machining titanium alloys, performance of binderless cubic boron nitride tools is evaluated. This new cutting tool material is expected to be a breakthrough in machining titanium alloys.

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33

Rahman Rashid, R. A., S. Sun, Suresh Palanisamy та M. S. Dargusch. "Laser Assisted Machining of Ti10V2Fe3Al and Ti6Cr5Mo5V4Al β Titanium Alloys". Advanced Materials Research 974 (червень 2014): 121–25. http://dx.doi.org/10.4028/www.scientific.net/amr.974.121.

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In recent times, the market for the applications of titanium alloys, particularly β alloys, is growing rapidly, calling for higher productivity. However, it is difficult to machine titanium alloys. A number of research activities have been carried out in this area to improve the productivity of titanium machining. Laser assisted machining is one technique which has been proposed to enhance the machinability of various difficult-to-cut materials including titanium alloys. In this study, two β titanium alloys, viz. Ti-10V-2Fe-3Al and Ti-6Cr-5Mo-5V-4Al, were machined using laser assistance and th

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34

Larionova, Tatyana, Sergei A. Lyubomudrov, and Evgeniy Larionov. "Machinability of Heat-Resistant Titanium Alloys during Turning." Materials Science Forum 1022 (February 2021): 62–70. http://dx.doi.org/10.4028/www.scientific.net/msf.1022.62.

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The article discusses the properties and features of heat-resistant titanium alloys. The microstructure of a new titanium alloy VT41, its mechanical and service properties after various processing modes are presented. The main problems in the machining of difficult-to-machine titanium alloys are considered. The developed mathematical model of the formation of errors in turning titanium alloys, taking into account thermal deformations and dimensional wear of the cutting tool, elastic deformations of the technological system, is described. The paper presents the results of experimental research

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35

Korovin, G. I., S. I. Petrushin, and R. H. Gubaidulina. "Machining of Titanium Alloys with Wave Milling Cutters." Materials Science Forum 927 (July 2018): 79–85. http://dx.doi.org/10.4028/www.scientific.net/msf.927.79.

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In the paper it is pointed out that machining of titanium alloys is the most difficult problem in metal cutting. The leading world companies are dealing with this problem, as titanium alloys are the basis of the aerospace industry. In the paper high-speed cutters with wavelike teeth edges used for titanium alloys processing are investigated. Every subsequent tooth is displaced at half-space distance. This reduces power load on the hardening of the machined surface. On the basis of power and wear-resistance studies, the advantage of wavy milling cutters in comparison with standard ones is estab

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36

George, Tarun Thomas, J. Venugopal, M. Anthony Xavior, and R. Vinayagamoorthy. "Investigation on Precision Turning of Titanium Alloys." Advanced Materials Research 622-623 (December 2012): 399–403. http://dx.doi.org/10.4028/www.scientific.net/amr.622-623.399.

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The quality of a machined surface is becoming more and more important to satisfy the increasing demands of sophisticated component performance, longevity, and reliability. The objective of this paper is to analyze the performance of precision turning using conventional lathe on Ti6Al4V under dry working conditions. Various parameters that affect the machining processes were identified and a consensus was reached regarding its values. The proposed work is to perform machining under the selected levels of conditions and parameters and to estimate the, cutting temperature and surface roughness ge

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37

Shokrani, Alborz, and Stephen Newman. "A New Cutting Tool Design for Cryogenic Machining of Ti–6Al–4V Titanium Alloy." Materials 12, no. 3 (2019): 477. http://dx.doi.org/10.3390/ma12030477.

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Titanium alloys are extensively used in aerospace and medical industries. About 15% of modern civil aircrafts are made from titanium alloys. Ti–6Al–4V, the most used titanium alloy, is widely considered a difficult-to-machine material due to short tool life, poor surface integrity, and low productivity during machining. Cryogenic machining using liquid nitrogen (LN2) has shown promising advantages in increasing tool life and material removal rate whilst improving surface integrity. However, to date, there is no study on cutting tool geometry and its performance relationship in cryogenic machin

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38

Gao, Yanfeng, Yongbo Wu, Jianhua Xiao, and Dong Lu. "An experimental research on the machinability of a high temperature titanium alloy BTi-6431S in turning process." Manufacturing Review 5 (2018): 12. http://dx.doi.org/10.1051/mfreview/2018011.

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Titanium alloys are extensively applied in the aircraft manufacturing due to their excellent mechanical and physical properties. At present, the α + β alloy Ti6Al4V is the most commonly used titanium alloy in the industry. However, the highest temperature that it can be used only up to 300 °C. BTi-6431S is one of the latest developed high temperature titanium alloys, which belongs to the near-α alloy group and has considerably high tensile strength at 650 °C. This paper investigates the machinability of BTi-6431S in the terms of cutting forces, chip formation and tool wear. The experiments are

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39

Zhang, Bo, Wu Yi Chen, and Dong Liu. "Experimental Study on the Cutting Temperature Using Work-Tool Thermocouple while Machining TC4." Key Engineering Materials 407-408 (February 2009): 727–30. http://dx.doi.org/10.4028/www.scientific.net/kem.407-408.727.

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The machining of titanium alloys classified as difficult machining materials. It is a major problem how to improve the machining efficiency of titanium alloys. The TC4 and YS8 natural thermocouple pair was calibrated and the variation of electromotive force with change of temperature was obtained. The calibrated results were used to measure the cutting temperature while machining TC4 and the variation regulation of cutting temperature with cutting speed was obtained.

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40

Oke, Samuel Ranti, Gabriel Seun Ogunwande, Moshood Onifade, et al. "An overview of conventional and non-conventional techniques for machining of titanium alloys." Manufacturing Review 7 (2020): 34. http://dx.doi.org/10.1051/mfreview/2020029.

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Machining is one of the major contributors to the high cost of titanium-based components. This is as a result of severe tool wear and high volume of waste generated from the workpiece. Research efforts seeking to reduce the cost of titanium alloys have explored the possibility of either eliminating machining as a processing step or optimising parameters for machining titanium alloys. Since the former is still at the infant stage, this article provides a review on the common machining techniques that were used for processing titanium-based components. These techniques are classified into two ma

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41

Machado, A. R., and J. Wallbank. "Machining of Titanium and its Alloys—a Review." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 204, no. 1 (1990): 53–60. http://dx.doi.org/10.1243/pime_proc_1990_204_047_02.

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42

Grechishnikov, V. A., G. A. Pautov, S. Yu Yurasov, and O. I. Yurasova. "Technological inheritance in the machining of titanium alloys." Russian Engineering Research 37, no. 3 (2017): 270–72. http://dx.doi.org/10.3103/s1068798x1703008x.

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43

Pramanik, A. "Problems and solutions in machining of titanium alloys." International Journal of Advanced Manufacturing Technology 70, no. 5-8 (2013): 919–28. http://dx.doi.org/10.1007/s00170-013-5326-x.

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44

Hourmand, Mehdi, Ahmed A. D. Sarhan, Mohd Sayuti, and Mohd Hamdi. "A Comprehensive Review on Machining of Titanium Alloys." Arabian Journal for Science and Engineering 46, no. 8 (2021): 7087–123. http://dx.doi.org/10.1007/s13369-021-05420-1.

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Tak, Mukesh, Vedanth Reddy S, Abhijeet Mishra, and Rakesh G. Mote. "Investigation of pulsed electrochemical micro-drilling on titanium alloy in the presence of complexing agent in electrolyte." Journal of Micromanufacturing 1, no. 2 (2018): 142–53. http://dx.doi.org/10.1177/2516598418784682.

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Titanium and its alloys have excellent mechanical and chemical properties; however, these properties make the processing of titanium alloys more challenging compared with other engineering materials. Electrochemical micromachining (ECMM) is a non-conventional machining process, which removes material through anodic dissolution regardless of the material’s hardness. However, during the electrochemical machining of titanium, the formation of a passive oxide layer inhibits further material removal and deteriorates the machined surface quality. In addition, the accuracy of micromachining of titani

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46

Laukart, Judith, Carsten Siemers, and Joachim Rösler. "Development of a Castable, Free-Machining Titanium Alloy." Materials Science Forum 690 (June 2011): 3–6. http://dx.doi.org/10.4028/www.scientific.net/msf.690.3.

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The addition of La to cp-Ti or Ti alloys, like Ti 6Al 4V, leads to the formation of short-breaking chips. Free-machinability is given by elementary La particles in the Ti matrix. The new alloy Ti 6Al 2Fe 1Mo 0.9La 0.5Cu was developed out of the Ti 6Al 4V alloy and exhibits free-machinability. However, this alloy offers poor castability due to the formation of hot cracks. Thermocalc® simulations discovered that Fe and Cu are broadening the solidification interval of the new alloy, which favors the formation of hot cracks. Therefore, the suitability of other β-stabilizing, like Mn and Cr alloy

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47

Prabukarthi, A., V. Krishnaraj, and M. Senthil Kumar. "Multi-Objective Optimization on Drilling of Titanium Alloy (Ti6Al4V)." Materials Science Forum 763 (July 2013): 29–49. http://dx.doi.org/10.4028/www.scientific.net/msf.763.29.

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Titanium alloys present superior properties like resistance to corrosion, high strength to weight ratio etc, but possess poor machinability. Titanium alloy Ti-6Al-4V is the most commonly used titanium alloy in aerospace and medical device industries. Titanium and its alloys are notorious for their poor thermal properties and are classified as difficult-to-machine materials. Drilling is an important machining process since it is involved in nearly all titanium applications. It is desirable to develop optimized drilling processes for Ti and improve the hole characteristics such as hole diameter,

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48

Krämer, A., Dieter Lung, and Fritz Klocke. "High Performance Cutting of Aerospace Materials." Advanced Materials Research 498 (April 2012): 127–32. http://dx.doi.org/10.4028/www.scientific.net/amr.498.127.

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Titanium and nickel-based alloys belong to the group of difficult-to-cut materials. The machining of these high-temperature alloys is characterized by low productivity and low process stability as a result of their physical and mechanical properties. Major problems during the machining of these materials are low applicable cutting speeds due to excessive tool wear, long machining times, and thus high manufacturing costs, as well as the formation of ribbon and snarled chips. Under these conditions automation of the production process is limited. This paper deals with strategies to improve machi

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Gupta, Nitin Kumar, Nalin Somani, Chander Prakash, et al. "Revealing the WEDM Process Parameters for the Machining of Pure and Heat-Treated Titanium (Ti-6Al-4V) Alloy." Materials 14, no. 9 (2021): 2292. http://dx.doi.org/10.3390/ma14092292.

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Ti-6Al-4V is an alloy that has a high strength-to-weight ratio. It is known as an alpha-beta titanium alloy with excellent corrosion resistance. This alloy has a wide range of applications, e.g., in the aerospace and biomedical industries. Examples of alpha stabilizers are aluminum, oxygen, nitrogen, and carbon, which are added to titanium. Examples of beta stabilizers are titanium–iron, titanium–chromium, and titanium–manganese. Despite the exceptional properties, the processing of this titanium alloy is challenging when using conventional methods as it is quite a hard and tough material. Non

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Gunasekar, P. "Torsional Extrusion Processing of Titanium Alloy Ti 6Al-6V-2SN under High Feeding Rates." Applied Mechanics and Materials 766-767 (June 2015): 655–60. http://dx.doi.org/10.4028/www.scientific.net/amm.766-767.655.

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It is known that the torsional extrusion process being used to create the object is complex in cross sectional profile. When compared to conventional extrusion, it is evident that the strength of the titanium alloy could be increased in torsional extrusion. This torsional extrusion process could also be applied the materials having the property of brittleness. Hence, the titanium alloys have huge application in aerospace industries in the area of jet engine components subjected to operating at extreme temperature. Besides, it is also used in critical airframe applications where high strength a

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