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Journal articles on the topic 'Titanium and tungsten electrodes'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Singh, Newton Kumar, P. Sudhakar Rao, and Kalakonda Saidaiah. "Optimization of Machining Process on Coated Tungsten Carbide Electrode Tool and Titanium Alloy Workpiece Using EDM: A Critical Review." Applied Mechanics and Materials 922 (August 19, 2024): 77–85. http://dx.doi.org/10.4028/p-2bq8xe.

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Commercial applications for Ti 6Al 4V, an alloy composed of titanium, aluminium, and vanadium, are possible. The features of titanium alloy include: Lightweight, non-magnetic, high melting point, outstanding fatigue strength, superior specific strength, great corrosion resistance, and biocompatibility. Reviewing the electro-discharge machining of titanium alloy (Ti 6Al 4V) as a workpiece, silicon carbide particle combined with EDM oil, and coated tungsten carbide electrode, this research examines this process. Dielectric fluid's impact on microhardness, surface finishing, TWR, and MRR. MRR is

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Kazak, Natalia. "SYNTHESIZING BY ELECTROEROSION OF CARBIDES ON METAL SURFACES." Akademos 2 (August 9, 2019): 31–34. https://doi.org/10.5281/zenodo.3364304.

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The basic laws of the process of consecutive alloying with graphite, titanium and tungsten electrodes through electrical sparks were studied to synthesize carbides in the superficial layers of iron and titanium based alloys. The energy parameters (the energy of the impulse discharge, the frequency of their passage, the working current) and the technological ones (the shape of the processing electrodes and the vibration frequency) have been optimized, on the basis of which were created premises for the replacement of expensive and difficult processing electrodes with gr

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3

Chiou, Yu-Zung. "GaN Ultraviolet Photodetectors with Transparent Titanium Tungsten and Tungsten Electrodes." Journal of The Electrochemical Society 152, no. 8 (2005): G639. http://dx.doi.org/10.1149/1.1945587.

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Майоров, В. А. "Электрохромные стекла с раздельным регулированием пропускания видимого света и ближнего инфракрасного излучения (обзор)". Журнал технической физики 126, № 4 (2019): 495. http://dx.doi.org/10.21883/os.2019.04.47521.264-18.

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AbstractMechanisms of plasmon and polariton attenuation of solar radiation are successively activated in crystal nanoparticles of reduced (doped with oxygen vacancies) tungsten trioxide and titanium dioxide doped with metals with a valence of 5 or 6 upon electrochemical injection of electrons followed by injection of positively charged ions. Application of mesoporous electrodes fabricated from such nanoparticles in electrochromic glass makes possible separate dynamic regulation of transmission of visible light and near-infrared radiation, which enables gradual change of the glass state from li

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Rashedul, Islam Md, Yan Zhang, Kebing Zhou, Guoqian Wang, Tianpeng Xi, and Lei Ji. "Influence of Different Tool Electrode Materials on Electrochemical Discharge Machining Performances." Micromachines 12, no. 9 (2021): 1077. http://dx.doi.org/10.3390/mi12091077.

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Electrochemical discharge machining (ECDM) is an emerging method for developing micro-channels in conductive or non-conductive materials. In order to machine the materials, it uses a combination of chemical and thermal energy. The tool electrode’s arrangement is crucial for channeling these energies from the tool electrode to the work material. As a consequence, tool electrode optimization and analysis are crucial for efficiently utilizing energies during ECDM and ensuring machining accuracy. The main motive of this study is to experimentally investigate the influence of different electrode ma

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Muttamara, A., P. Nakwong, and S. Pararach. "Effect of Copper Percentage in Copper Tungsten Electrode on Ti6Al4V by Electrical Discharge Machining." IOP Conference Series: Materials Science and Engineering 1286, no. 1 (2023): 012001. http://dx.doi.org/10.1088/1757-899x/1286/1/012001.

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Abstract The aim of this study was to identify the optimal parameters for electrical discharge machining of Ti6Al4V titanium alloy using copper tungsten electrodes with tungsten compositions of 70% and 80%, respectively. The experiment involved varying current, pulse on time, and duty factor were determined using the Taguchi experimental method L-18 orthogonal arrays. The level of importance of each machining parameter on material removal rate (MRR) was determined using analysis of variance (ANOVA), and the optimal machining parameter combination was obtained using the analysis of signal-to-no

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Wang, C. K., S. J. Chang, Y. K. Su, et al. "GaN MSM UV photodetectors with titanium tungsten transparent electrodes." IEEE Transactions on Electron Devices 53, no. 1 (2006): 38–42. http://dx.doi.org/10.1109/ted.2005.860780.

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8

Coval, A. V. "Особенности формирования фазового и элементного состава при электроискровом легировании ручным вибратором повышенной частоты". Elektronnaya Obrabotka Materialov 57, № 6 (2021): 14–24. http://dx.doi.org/10.52577/eom.2021.57.6.14.

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The phase and elemental compositions of electrospark coatings of nickel and titanium deposited on steel, nickel, and titanium, that is, coatings from TiNiMo-20 and WC92-Co8 on steel at high-frequency electrospark alloying are investigated. It is established that the material of the electrode, of the substrate, and the mode of deposition have the main impact on physical and chemical properties of the formed coatings. A positive influence of high-frequency alloying on quality indicators of the processed surfaces is shown. Both the phase and chemical analyses showed availability of the compounds

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9

Lin, Chaohui, Jiaming Li, Shiyong Liang, et al. "Improving the precision of micro-EDM for blind holes in titanium alloy by fixed reference axial compensation." REVIEWS ON ADVANCED MATERIALS SCIENCE 60, no. 1 (2021): 771–83. http://dx.doi.org/10.1515/rams-2021-0057.

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Abstract During the electrical discharge machining (EDM) process, the tool electrode wear is inevitable, which affects the process precision of the micro-hole. In the present experimental investigation, a fixed reference axial compensation (FRAC) method is proposed to enhance the machining precision of micro-hole. The effect of pulse power, compensation methods, and electrode materials on the depth and roundness factor of micro-hole are explored. The experiment results show that the FRAC method can realize the accurate compensation and reach the expected depth hole processing. When the FRAC is

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10

Liu, Shoufa, Muthuramalingam Thangaraj, Khaja Moiduddin, and Abdulrahman M. Al-Ahmari. "Influence of Adaptive Gap Control Mechanism and Tool Electrodes on Machining Titanium (Ti-6Al-4V) Alloy in EDM Process." Materials 15, no. 2 (2022): 513. http://dx.doi.org/10.3390/ma15020513.

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Titanium alloy is widely used for orthodontic technology and easily machined using the EDM process. In the EDM process, the workpiece and tool electrode must be separated by a continuous air gap during the machining operation to generate discharge energy in this method. In the present study, an endeavor was made to analyze the effects of a servo feed air gap control and tool electrode in the EDM process. The developed mechanical setup consists of a linear action movement with zero backlash along the X-axis, which can be controlled up to 0.03 mm. It was observed that the suggested air gap contr

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11

Ali Khan, Ahsan, Mohammed Baba Ndaliman, Ummu Atiqah Khairiyah binti Mohamad, Nurul Farhana binti Sulong, and Zakaria Mohd Zain. "Surface Quality Produced in EDM with Tungsten Carbide and Copper Compacted Electrodes." Advanced Materials Research 1115 (July 2015): 24–28. http://dx.doi.org/10.4028/www.scientific.net/amr.1115.24.

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Electrical discharge machining (EDM) is one of the most commonly used technique to machine very hard materials. Materials like hardened tool steels, titanium and its alloys and difficult-to-machine materials can be easily processed with EDM. The machining performance to a great extent depends on the composition of the electrode. This paper presents the machining performance of powder metallurgy (PM) compacted electrodes made from titanium carbide (TiC) and copper (Cu) powders. The Cu-TiC electrodes made up of 70% of TiC and 30% of Cu powders. They were compacted at a pressure of 6,000 psi (41.

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Ahnia, Fatma, Lahcene Mebarki, and Youcef Khelfaoui. "The effect of Titanium Carbide (TiC) addition on the performance of Cupro-Tungsten (Cu-W) alloy for spark erosion electrodes used in machining carbide materials." STUDIES IN ENGINEERING AND EXACT SCIENCES 5, no. 2 (2024): e8406. http://dx.doi.org/10.54021/seesv5n2-271.

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This article focuses on the development and characterization of Copper-Tungsten (WCu) electrodes, enhanced with the addition of nickel and cobalt as activators and titanium carbide (TiC) for improved wear resistance. The electrodes were manufactured using powder metallurgy through cold pressing, followed by sintering-infiltration at 1250°C under a reducing atmosphere of H2. The characterization process involved measuring density, microhardness, electrical conductivity, and SEM/EDX microstructure. Additionally, technological tests were conducted on P35 carbide parts to assess parameters such as

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Pham, Hoang-Vuong, Huu-Phan Nguyen, Shirguppikar Shailesh, Duc-Toan Nguyen, and Ngoc-Tam Bui. "Investigating Technological Parameters and TiN-Coated Electrodes for Enhanced Efficiency in Ti-6Al-4V Micro-EDM Machining." Metals 14, no. 2 (2024): 162. http://dx.doi.org/10.3390/met14020162.

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Micro-electrical discharge machining (micro-EDM) stands out as a transformative methodology, offering substantial progress in both technical and economic efficiency through the integration of coated electrodes. This study meticulously analyzes various technological parameters in micro-EDM, focusing specifically on Ti-6Al-4V, a widely employed titanium alloy. The application of a titanium nitride (TiN) coating material on a tungsten carbide (WC) electrode is investigated using the Taguchi method of experimental design. This study employs an ANOVA and factorial design methodology to scrutinize t

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14

Radhakrishnan, J. K., V. C. Padaki, and U. K. Singh. "Mechanical Failure Analysis of Needles, for Micro-needle Array Dry-electrodes." Defence Life Science Journal 2, no. 4 (2017): 448. http://dx.doi.org/10.14429/dlsj.2.12282.

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<p class="p1"><span class="s1"> </span>Dry electrodes, which have an array of vertically aligned conducting micro-needles over a conducting substrate/base are most suitable for long-term continuous monitoring of EEG-signal, and overcomesthe disadvantages of conventional wet electrodes. A crucial design requirement for thesemicro-needlearrays, is the choice of the needle material with suitable mechanical strength to penetrate the skin without mechanical failure. This paper gives, the results of mechanical failure analysis of different needle materials that have been typically

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15

Tsubomura, Hiroshi, Yoshihiro Nakato, Masahiro Hiramoto, and Hiroyuki Yano. "Metal oxide coated p–n junction silicon electrodes for photoelectrochemical solar energy conversion." Canadian Journal of Chemistry 63, no. 7 (1985): 1759–62. http://dx.doi.org/10.1139/v85-295.

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Photoelectrochemical properties of p+–n junction silicon electrodes, abbreviated as p+n–Si, coated with thin oxide films of titanium, tungsten, or iron have been investigated in aqueous solutions of hydrogen iodide and iodine. The films were deposited by electron-beam evaporation of the metal oxide sinters. The photocurrent in a p+n–Si electrode coated with TiO2 increased dramatically when it was heated at temperatures higher than 500 °C, though the O/Ti atomic ratio as determined by ESCA analysis was unchanged. The fill factor of the photovoltaic cell composed of this electrode, a platinum co

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16

Li, Yuan, Shiyu Yan, Leran Chen, Zhaoliang Xing, and Chuncheng Hao. "Effect of modification of copper electrode on the space charge accumulation in LDPE." Modern Physics Letters B 33, no. 31 (2019): 1950388. http://dx.doi.org/10.1142/s0217984919503883.

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In this paper, titanium and tungsten films were coated on copper sheets, respectively, by plasma chemical vapor deposition (PCVD). The copper sheets before and after coating were, respectively, injected as charge into the low-density polyethylene (LDPE), the space charge accumulation in LDPE was tested by the thermally stimulated current (TSC), and the trap level of the dielectric was calculated by the TSC curve. The results show that the work function improves after the modification of the electrode material, the space charge accumulation in LDPE decreases, and the trap level of the polymer r

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17

Kolbasov, G. Ya, V. S. Vorobets, A. M. Korduban, et al. "Electrodes based on nanodispersed titanium and tungsten oxides for a sensor of dissolved oxygen." Russian Journal of Applied Chemistry 79, no. 4 (2006): 596–601. http://dx.doi.org/10.1134/s1070427206040173.

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18

Górka, J., M. Przybyła, M. Szmul, A. Chudzio, and D. Ładak. "Orbital TIG Welding of Titanium Tubes with Perforated Bottom Made of Titanium-Clad Steel." Advances in Materials Science 19, no. 3 (2019): 55–64. http://dx.doi.org/10.2478/adms-2019-0017.

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AbstractThe article presents problems accompanying the industrial TIG welding (142) of a heat exchanger perforated bottom made of steel clad with titanium B265 grade 1 with tubes made of titanium B338 grade 2. Research-related tests involved the making of test plates containing simulated imperfections formed during orbital welding. The above-named imperfections resulted from insufficient gas shielding during the welding process, the improper positioning of the tungsten electrode (excessively large or overly small circumference, around which the orbital welding process was performed), an excess

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19

Weng, Ko-Wei, Sheng Han, Ya-Chi Chen, and Da-Yung Wang. "Characterization of tungsten–titanium oxide electrode for electrochromic applications." Applied Surface Science 255, no. 6 (2009): 3848–53. http://dx.doi.org/10.1016/j.apsusc.2008.10.071.

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20

Pilon, Laurent. "(Invited) Potentiometric Entropy and Operando Calorimetric Measurements to Assess the Performance of Heterogeneous Lithium Ion Battery Electrodes." ECS Meeting Abstracts MA2022-01, no. 38 (2022): 1666. http://dx.doi.org/10.1149/ma2022-01381666mtgabs.

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This talk presents new efforts to use potentiometric entropy and operando isothermal calorimetric measurements to gain insight into the charging mechanisms as well as the thermodynamics and ion transport in lithium ion battery electrodes. Electrodes consisted of particles of different sizes - from a few nanometers to a few microns - synthesized by solid state or sol gel methods and using different conducting polymer binders. Promising battery materials such as lithium sodium vanadium fluorophosphate LixNa1.5-xVOPO4F0.5, tungsten vanadium oxide (W0.2V0.8)3O7, and titanium niobium oxide Ti2Nb2O9

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21

Sharma, I., and M. M. Ghangrekar. "Evaluating the suitability of tungsten, titanium and stainless steel wires as current collectors in microbial fuel cells." Water Science and Technology 77, no. 4 (2017): 999–1006. http://dx.doi.org/10.2166/wst.2017.621.

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Abstract An appropriate current collector (CC) is crucial for harvesting substantial power in a microbial fuel cell (MFC). In the present study, stainless steel (SS) and titanium wires were used as the CCs for both the anode and cathode of MFC-1 and MFC-2, respectively. Tungsten wire (TW) was used as the anode CC in MFC-3, with SS wire as the cathode CC. In MFC-4, TW was used as the cathode CC with SS wire as the anode CC, and in MFC-5 both electrode CCs were TW. The power density, current density, oxidation current and bio-capacitance were compared to select the best and most cost effective C

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22

Kao, Ming-Cheng, Jun-Hong Weng, Chih-Hung Chiang, Kai-Huang Chen, Der-Yuh Lin, and Tsung-Kuei Kang. "Effect of Tungsten Doping on the Properties of Titanium Dioxide Dye-Sensitized Solar Cells." Energies 17, no. 20 (2024): 5118. http://dx.doi.org/10.3390/en17205118.

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Tungsten-doped TiO2 thin films were prepared by sol–gel method on fluorine-doped tin oxide-coated substrates as working electrodes of dye-sensitized solar cells. The influences of different W doping (0, 2, 4, 6, and 8 at%) on the microstructure, optical, and photovoltaic properties of the W-TiO2 thin-film DSSCs were studied by the measurement of X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), Brunauer–Emmett–Teller (BET) analysis, and electrochemical impedance spectroscopy (EIS). An optimal DSSCs performance was observed with a 6 at% W-doped

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23

Ageeva, E. V., N. M. Horyakova, B. N. Sabelnikov, and A. E. Ageeva. "Optimization of the Process of Obtaining Powder Materials for the Production of Carbide Cutting Tools by Electrodispersion of Tn20 Alloy Metal Waste in Water." Proceedings of the Southwest State University 28, no. 1 (2024): 27–43. http://dx.doi.org/10.21869/2223-1560-2024-28-1-27-43.

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Рurpose of this work was to optimize the process of obtaining powder materials for the production of carbide cutting tools by electrodispersing metal waste of TN20 alloy in water.Methods. To carry out the planned studies, waste of sintered tungsten-free hard alloy of the TN20 brand was selected. Distilled water was used as the working fluid. On an experimental patented installation for the production of powders from conductive materials, waste of a tungsten-free hard alloy TN20 was dispersed in distilled water with a loading weight of 500 g. The following electrical parameters of the installat

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Ageeva, E. V., R. A. Latypov, E. P. Novikov, and B. N. Sabel’nikov. "Study of Electric Spark Coatings Properties Obtained by Electrodes from Titanium Electroerosive Particles." Proceedings of the Southwest State University 23, no. 6 (2020): 21–33. http://dx.doi.org/10.21869/2223-1560-2019-23-6-21-33.

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Purpose of reseach. Modern car is a very complex system which has about 15... 20 thousand parts. More than 7 thousand lose their initial characteristics during operational process. As practice shows, more than 4000 car parts lose their operability much earlier than the expiration of vehicle life as a whole. These factors lead to significant repair costs, as well as profit losses caused by long delays in part of the rolling stock. Efficiency and qualitative improvement growth of various areas of public production pose new and more complex tasks to increase the efficiency and reliability of part

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Claflin, B., M. Binger, and G. Lucovsky. "Interface studies of tungsten nitride and titanium nitride composite metal gate electrodes with thin dielectric layers." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 16, no. 3 (1998): 1757–61. http://dx.doi.org/10.1116/1.581297.

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26

Rajiv, Sharma Kumar. "Parametric optimization of process parameters for Electric discharge Machining of Tungsten carbide (93% WC and 7%Co)." Production Engineering Archives 26, no. 4 (2020): 154–61. http://dx.doi.org/10.30657/pea.2020.26.28.

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Abstract Nowadays there is a huge demand of High Strength Temperature Resistance (HSTR) alloys such as titanium, carbide, nimonics and ceramics in aerospace, defence and electronics. Among these alloys machining of tungsten carbide alloy is of interest, because of its numerous applications. Complex shapes of tungsten carbide are not generally made by traditional manufacturing process. To machine tungsten carbide with high accuracy, non-traditional machining process like Laser beam machining, Electron beam machining and Electrical discharge machining are a proper choice. In the present paper, t

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Rajiv, Sharma Kumar. "Parametric optimization of process parameters for Electric discharge Machining of Tungsten carbide (93% WC and 7%Co)." Production Engineering Archives 26, no. 4 (2020): 154–61. http://dx.doi.org/10.30657/pea.2020.26.28.

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AbstractNowadays there is a huge demand of High Strength Temperature Resistance (HSTR) alloys such as titanium, carbide, nimonics and ceramics in aerospace, defence and electronics. Among these alloys machining of tungsten carbide alloy is of interest, because of its numerous applications. Complex shapes of tungsten carbide are not generally made by traditional manufacturing process. To machine tungsten carbide with high accuracy, non-traditional machining process like Laser beam machining, Electron beam machining and Electrical discharge machining are a proper choice. In the present paper, th

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Rudenko, N., S. Leshchenko, and Yu Kovalenko. "CATALYTIC PROPERTIES OF Ni-V COATING IN THE PROCESS OF HYDROGEN RELEASE." Integrated Technologies and Energy Saving, no. 1 (July 6, 2021): 41–47. http://dx.doi.org/10.20998/2078-5364.2021.1.05.

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Solar and hydrogen energy play an important role in providing a variety of industrial facilities with electricity and heat. One of the priorities of modern industry is to increase the production of environmentally friendly energy source – electrochemical synthesis of hydrogen. Modern methods of electrolysis of water do not meet the need for its use, due to the high cost of electrosynthesis of water-alkaline electrolysis, which depends on the material and energy consumption of electrolysis. The useful energy consumption for the production of energy – hydrogen at the cathode and "unnecessa

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Matyi, R. J. "Characterization of Tungsten Silicide and Titanium Silicide Thin Films With a Fully-Automated See Mann-Bohlin Diffractometer." Advances in X-ray Analysis 29 (1985): 375–80. http://dx.doi.org/10.1154/s0376030800010478.

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The continuing drive in the semiconductor industry towards smaller and more complex electronic devices has placed increasing severe demands on the materials systems that are used in semiconductor circuits. The refractory metal silicides that are commonly used for electrodes and interconnects are particularly susceptible to the sometimes conflicting requirements of good electrical properties, ease of processing, and long term reliability. We have found that the characterization of metal silicides with a fully automated diffractometer based on the Seemann- Bohlin (S∼B) focusing geometry has prov

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30

Barman, Swapan, Asit Baran Puri, and Nagahanumaiah. "Analysis of Surface Texture of High Aspect Ratio Blind Micro Holes on Titanium Alloy (Ti-6Al-4V) in Micro Electrical Discharge Drilling." Solid State Phenomena 261 (August 2017): 151–58. http://dx.doi.org/10.4028/www.scientific.net/ssp.261.151.

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Efficiency of any machining process depends on the effectiveness of final outcomes. Surface integrity plays an important role in functional performance of a part or component. Traditionally, surface roughness is considered to be the principal parameter to assess the surface integrity of a machined surface. In this paper, the influences of machining parameters like gap voltage, capacitance and depth of hole on the surface finish parameters like Ra and Sa of micro holes have been studied in micro electrical discharge drilling. The high aspect ratio blind micro holes were drilled on titanium allo

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Abdul-Rani, Ahmad Majdi, Alexis Mouangue Nanimina, and Turnad Lenggo Ginta. "Surface Morphology and Corrosion Behavior in Nano PMEDM." Key Engineering Materials 724 (December 2016): 61–65. http://dx.doi.org/10.4028/www.scientific.net/kem.724.61.

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This research study was conducted to investigate the effect of nanoaluminum powder mixed electrical discharge machining (PMEDM) on surface morphology and corrosion rate of titanium alloy material. The development of devices such as implants in biomedical engineering application nowadays requires materials having good mechanical and physical properties. Conventional machining process of titanium as implant is a challenge resulting relative poor surface quality. Even using electrical discharge machining (EDM) which is non-conventional machining process there are limitations including machined su

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Suzuki, Souta, and Fumiaki Amano. "Near Real-Time Evaluation of Hydroxyl Radical Generation on Photocatalytic Electrodes Using Flow-Type Electron Spin Resonance Method." ECS Meeting Abstracts MA2024-02, no. 59 (2024): 4027. https://doi.org/10.1149/ma2024-02594027mtgabs.

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Tungsten trioxide (WO3) and titanium oxide are known as photocatalysts that oxidize and decompose organic compounds. Hydroxyl radicals (•OH) generated during water oxidation not only decompose organic substances but also cause other selective oxidation reactions. However, the behavior of •OH production under different reaction conditions is not completely understood. The purpose of this study is to quantitatively analyze the •OH generated during the photoanodic reaction on photocatalyst electrodes. Herein, we developed a novel electrolyte flow-type electron spin resonance (ESR) method using 5,

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Dolotov, B. I., V. I. Murav'ev, Yu Livanov, and B. N. Mar'in. "Welding VT20 titanium alloy with an immersed tungsten electrode on untreated edges." Welding International 12, no. 1 (1998): 73–75. http://dx.doi.org/10.1080/09507119809448973.

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Fan, Xi, Hou Peng Chen, Qian Wang, et al. "A Low-Power 1Kb PCRAM Chip with Elevated Write Performance." Applied Mechanics and Materials 543-547 (March 2014): 463–66. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.463.

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A low-power 1Kb phase change random access memory (PCRAM) chip is designed. The chip uses 1T1R (one transistor one resistor) structure and titanium nitride (TiN) bottom electrode (BE) for reducing power consumption. Besides, the write property of the chip is improved by employing a ramp down pulse generator. The chip is fabricated in 130nm CMOS standard technology. The test result shows a 56% power reduction based on TiN BE compared with tungsten (W) BE, which predicts a new direction to realize the commercialization of PCRAM.

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Andrade, P. N., A. A. Coelho, C. R. M. Afonso, R. J. Contieri, Maria Helena Robert, and R. Caram. "Effects of Composition on Solidification Microstructure of Cast Titanium Alloys." Materials Science Forum 649 (May 2010): 183–88. http://dx.doi.org/10.4028/www.scientific.net/msf.649.183.

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The high cost of processing of Ti alloys is an important limitation to their utilization in a number of applications. An approach to overcome such difficulties would be their processing by precision casting. The purpose of this work is to evaluate the centrifugal casting process of Ti-Cu and Ti-Nb alloys, analysing the influence of alloying element type and content in the obtained microstructure. Samples with different compositions were prepared in arc furnace with non-consumable tungsten electrode and water-cooled copper hearth under high purity argon atmosphere and cast in a copper mould. Mi

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Syrek, Karolina, Marta Zycha, Sebastian Kotarba, and Grzegorz Sulka. "In Situ Synthesis of Co-WO₃ Anodic Layers for Enhanced Photoelectrochemical Water Splitting." ECS Meeting Abstracts MA2023-01, no. 44 (2023): 2445. http://dx.doi.org/10.1149/ma2023-01442445mtgabs.

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Photoelectrochemical water splitting under solar radiation is one of the most studied areas of science. However, there are still many problems connected with this topic such as the low efficiency of systems or their usability only in the region of ultraviolet radiation. Anodic metal oxides are used as working electrodes in PEC cells due to their unique geometry, relatively high surface area, simple preparation, and their unique properties. Nanostructured tungsten oxide is characterized by strong photocorrosion stability in aqueous solutions and stable physicochemical properties. The main advan

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Ali, Mohammad Yeakub, Nur Atiqah Binti Abdul Rahman, and Erniyati Binti Mohamad Aris. "Powder Mixed Micro Electro Discharge Milling of Titanium Alloy: Investigation of Material Removal Rate." Advanced Materials Research 383-390 (November 2011): 1759–63. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.1759.

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This paper presents effects of silicon carbide (SiC) powder in dielectric fluid of micro EDM on material removal rate (MRR). The aim is to identify the optimum level of SiC powder concentration and other micro EDM parameter for higher MRR. The work material was titanium alloy (Ti-6Al-4V) machined with tungsten carbide (WC) electrode by varying two machining parameters SiC powder concentrations and discharge energy. By using two factor four level factorial design of experiment, sixteen experiments were conducted. Data were analyzed by Design Expert® software. In this experimental investigation,

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Takagi, Kai, Yuvaraj Mohan Hunge, Izumi Serizawa, and Chiaki Terashima. "(Invited) Synthesis of TiO₂-Based for Electrocatalysts CO₂ Reduction Using in-Liquid Plasma Method and Control of Their Reduction Properties." ECS Meeting Abstracts MA2024-02, no. 68 (2024): 4813. https://doi.org/10.1149/ma2024-02684813mtgabs.

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Introduction In recent years, there has been growing interest in converting carbon dioxide (CO2), a greenhouse gas, into a valuable resource. The electrolytic reduction method, which uses only water and electricity, offers a particularly clean approach to CO2 conversion. Its high conversion efficiency at ambient temperature and pressure, facilitated by gas diffusion electrodes (GDE), makes it a promising option for widespread adoption. Electrocatalytic CO2 reduction using GDE selectively yields carbon monoxide, ethylene, and formic acid with Ag, Cu, or Sn catalysts, respectively 1). These cata

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Diaby, Mamy, Asma Alimi, Afrah Bardaoui, Diogo M. F. Santos, Radhaoune Chtourou, and Ibtissem Ben Assaker. "Correlation between the Experimental and Theoretical Photoelectrochemical Response of a WO3 Electrode for Efficient Water Splitting through the Implementation of an Artificial Neural Network." Sustainability 15, no. 15 (2023): 11751. http://dx.doi.org/10.3390/su151511751.

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Since the discovery of photoelectrochemical (PEC) water splitting with titanium dioxide electrodes in the presence of ultraviolet light, much work has been conducted to build an effective PEC water splitting system and develop novel photoelectrodes. Using a facile and controllable electrodeposition method, a thin tungsten trioxide (WO3) film electrode onto a stainless steel (SS) substrate was synthetized. The effect of the deposition time on the structural, morphological, optical, and electrical properties of the as-grown WO3 thin films was assessed. XRD spectra of the obtained films reveal th

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Ali, Mohammad Yeakub, Erry Y. T. Adesta, Nur Atiqah Binti Abdul Rahman, and Erniyati Binti Mohamad Aris. "Powder Mixed Micro Electro Discharge Milling of Titanium Alloy: Analysis of Surface Roughness." Advanced Materials Research 341-342 (September 2011): 142–46. http://dx.doi.org/10.4028/www.scientific.net/amr.341-342.142.

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This paper presents effects of silicon carbide SiC powder concentration on micro EDM parameters on average surface roughness (Ra). The aim is to achieve minimum Ra value on titanium alloy (Ti-6Al-4V) machined with tungsten electrode for various level of concentration of SiC powder and discharge energy (E). By using two-parameter and four-level factorial design of experiment sixteen experiments were conducted. The measured surface roughness values were analyzed with input parameters using by Design Expert software. The minimum Ra value obtained was 0.75 µm for 16.8 g/L SiC powder concentration

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Illarionov, Anatoliy G., Olga A. Koemets, and Stella V. Grib. "Aging of the OT4-VT23, VT6-VT23, VT19-VT23 Titanium Welded Pairs." Defect and Diffusion Forum 410 (August 17, 2021): 318–23. http://dx.doi.org/10.4028/www.scientific.net/ddf.410.318.

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The structure, the phase composition and microhardness over the section of welded joints aged at 500 and 550 °C have been studied by means of structural and microdurometric analyzes. The welded joints of OT4-VT23, VT6-VT23 and VT19-VT23 titanium alloys pairs were obtained by the argon-arc welding with a nonconsumable tungsten electrode. It has been established that the aging at 500 °C for 8 hours promotes the decomposition of metastable phases (b, a”) which formed after welding in the welded joint of VT19-VT23 titanium alloys pair. The decomposition process leads to strengthening of the main z

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Kalyniuk, M. M., Ya P. Gritskiv, and L. M. Kahitanchuk. "Eloboration of Methods for Determination on Content of the Oxygen, Nitrogen, Hydrogen Admixtures in Titanium Aluminides." Metrology and instruments, no. 2 (May 21, 2020): 61–67. http://dx.doi.org/10.33955/2307-2180(2)2020.61-67.

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Titanium intermetalides (TiAl and Ti3 Al) and alloys on theirs bases applies in air — and spacetechnology and automobile industry. Physical and mechanical properties there alloys is better, then at classical Ti — or Ni — alloys, that are utilized in aeroplanes and rocets. Alloys, based on TiAl and Ti3Al, are made with utilization vacuum — arc, plasma — arc, induction- garnisage, magnetoperating electroslag melting, electron — beam melting with intermediate capacity, electroslag melting in inert atmosphere under «active» fluxes with metallic calcium, induction melting in muchsection

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Nikolenko, S. V., and N. A. Syui. "Investigation of coatings produced by the electrospark machining method of steel 45 with electrodes based on carbides of tungsten and titanium." Protection of Metals and Physical Chemistry of Surfaces 53, no. 5 (2017): 889–94. http://dx.doi.org/10.1134/s207020511705015x.

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Schettini, Yuri Salum, Sinara Gabriel Borborema, Caio Marcello Felbinger Azevedo Cossu, Carlos Angelo Nunes, and Luiz Henrique de Almeida. "Production and Characterization of the Ti-12Mo-30Nb Alloy." Materials Science Forum 1012 (October 2020): 506–10. http://dx.doi.org/10.4028/www.scientific.net/msf.1012.506.

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With the increasing quality of life, the growing advancement of medicine and thus greater longevity of the population, the need for the development of biomaterials becomes increasingly necessary. Titanium alloys are widely used for biomedical application because they have corrosion resistance, biocompatibility, high hardness and low elasticity modulus compared to other metallic biomaterials. In the market, the titanium alloy most used for orthopedic purposes is the Ti-6Al-4V that despite its good mechanical and structural properties, present cytotoxic elements related to the presence of Al and

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Ali, Hamid, Muhammad Zahir Iqbal, Asma Khizar, Md Rezaul Karim, Chang-Hyung Choi, and Saikh Mohammad Wabaidur. "Synergistic effect of co-sputtered tungsten-titanium nitride as electrode material for efficient hybrid supercapacitors." Solid State Ionics 412 (September 2024): 116574. http://dx.doi.org/10.1016/j.ssi.2024.116574.

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Uthirapathi, A., and D. Lenin Singaravelu. "Effect of Rotating Tool Electrode on Machining of Titanium Alloy Using Electric Discharge Machining." Advanced Materials Research 651 (January 2013): 448–52. http://dx.doi.org/10.4028/www.scientific.net/amr.651.448.

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Electrical Discharge Machining (EDM) is a well established non-conventional machining process used for machining complex and hard material parts that are difficult to machine by conventional machining process. The non-contact machining process has been continuously evolving from a mere tool and dies making process to a micro-scale application machining alternative attracting a significant amount of research interests. In recent years various research have been done to increase the material removal rate (MRR) and reduction in tool wear rate (TWR). Despite a range of different approaches, the ob

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Rahman, M. M., Md Ashikur Rahman Khan, K. Kadirgama, M. M. Noor, and Rosli A. Bakar. "Optimization of Machining Parameters on Tool Wear Rate of Ti-6Al-4V through EDM Using Copper Tungsten Electrode: A Statistical Approach." Advanced Materials Research 152-153 (October 2010): 1595–602. http://dx.doi.org/10.4028/www.scientific.net/amr.152-153.1595.

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Electrical discharge machining (EDM) is relatively modern machining process having distinct advantages over other machining processes and able to machine Ti-alloys effectively. This paper attempts to investigate the effects of peak ampere, pulse on time and pulse off time on tool wear rate (TWR) of titanium alloy Ti-6Al-4V in EDM utilizing copper tungsten as an electrode and positive polarity of the electrode. A mathematical model for electrode wear rate is developed in this paper. Design of experiments method and response surface methodology techniques are implemented. The validity test of th

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Cahya, Sutowo, Supriadi Sugeng, Widya Pramono Andika та Suharno Bambang. "MICROSTRUCTURE, MECHANICAL PROPERTIES, AND CORROSION BEHAVIOR OF NEW ΒTYPE TI–MO–NB BASED ALLOYS BY MN ADDITION FOR IMPLANT MATERIAL". Eastern-European Journal of Enterprise Technologies 1, № 12 (103) (2020): 30–37. https://doi.org/10.15587/1729-4061.2020.193932.

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Titanium alloys are widely used for biomaterial applications since they have special characteristics, especially better biocompatibility, superior corrosion behavior and lower modulus of elasticity compared to other conventional biomaterials. The development of existing Ti6Al4V alloys by creating new β-type Ti-Mo-Nb based alloys by modifying the addition of the Mn element as a beta phase stabilizer, so that the beta phase structure can have an effect to increase strength and reduce elastic modulus with good biocompatibility and toxicity. In the present work, Ti–Mo–Nb–(x)

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Umanath, K., and D. Devika. "Optimization of electric discharge machining parameters on titanium alloy (ti-6al-4v) using Taguchi parametric design and genetic algorithm." MATEC Web of Conferences 172 (2018): 04007. http://dx.doi.org/10.1051/matecconf/201817204007.

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The aim of this research work is to analyze the significant of process variables and find the optimum process variables in electric discharge machining (EDM) of Titanium alloy (Ti-6Al-4V) .The variables considered are peak current, pulse-on-time and pulse-off-time where as the responses are Material Removal Rate(MRR) and Surface Roughness(SR). MITSUBISHI EA8 spark erosion machine is employed for this work and copper tungsten electrode of ∅14 mm is used in experimental trials. The experimental runs are done based on Taguchi L27 orthogonal array. The signal-to-noise ratio, the analysis of varian

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Rattikorn Saodaen et al.,, Rattikorn Saodaen et al ,. "Effect Of Compositions Titanium Nitride In Copper-Based Sintered Electrode During Electrical Discharge Machining Of Tungsten Carbide." International Journal of Mechanical and Production Engineering Research and Development 10, no. 3 (2020): 293–304. http://dx.doi.org/10.24247/ijmperdjun202028.

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