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Journal articles on the topic 'Ti6Al4V alloy'

Author: Grafiati
Published: 4 June 2021
Last updated: 27 July 2025

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1

Zhan, Zhongwei, Qi Zhang, Shuaixing Wang, et al. "Comparison on the Electrochemical Corrosion Behavior of Ti6Al4V Alloys Fabricated by Laser Powder Bed Fusion and Casting." Materials 17, no. 13 (2024): 3322. http://dx.doi.org/10.3390/ma17133322.

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The non-equilibrium solidification process in the additive manufacturing of titanium alloy leads to special microstructures, and the resulting changes in corrosion behavior are worthy of attention. In this paper, the microstructure and electrochemical corrosion behavior of Ti6Al4V alloys prepared using laser powder bed melting (LPBF) and casting are systematically compared. The results show that the LPBF-processed Ti6Al4V alloy is composed of dominant acicular α′ martensite within columnar prior β phase, and less β disperses have also been discovered, which is significantly different from the
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2

Wang, Qiang, Pu Song, Wenjuan Niu, Nan Li, and Ning Hu. "High Temperature Oxidation Behavior of Additive Manufactured Ti6Al4V Alloy with the Addition of Yttrium Oxide Nanoparticles." Materials 17, no. 11 (2024): 2544. http://dx.doi.org/10.3390/ma17112544.

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Titanium alloys face challenges of high temperature oxidation during the service period when used as aircraft engine components. In this paper, the effect of Y2O3 addition on the oxidation behavior and the microstructural change of the Ti6Al4V alloy fabricated by selective laser melting (SLM) was comprehensively studied. The results show that the surface of the Ti6Al4V alloy is a dense oxide layer composed of TiO2 and Al2O3 compounds. The thickness of the oxide layer of the Ti6Al4V increased from 59.55 μm to 139.15 μm. In contrast, with the addition of Y2O3, the thickness of the oxide layer in
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3

Loto, Roland Tolulope. "Corrosion polarization and passivation behavior of selected stainless steel alloys and Ti6Al4V titanium in elevated temperature acid-chloride electrolytes." Open Engineering 12, no. 1 (2022): 511–23. http://dx.doi.org/10.1515/eng-2022-0052.

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Abstract The corrosion polarization behavior of 439ll ferritic (439ll), 316L austenitic (316L), and NO7208 nickel-chromium-aluminum-iron (NO7208) stainless steels, and Ti6Al4V titanium (Ti6Al4V) alloys was studied in 4 M H2SO4 + 5% NaCl solution at 35 and 70°C. Corrosion rate (C R) of the alloys were generally higher at 70°C. NO7208 and 439ll alloy exhibited higher resistance to general corrosion at 35°C (0.067 and 0.050 mm/year) while Ti6Al4V was the most reactive (0.506 mm/year). Passivation behavior was evident on the plots of NO7208 and Ti6Al4V alloys. NO7208 pitted at 1.04 V with passivat
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4

Fan, Ai Lan, Cheng Gang Zhi, Lin Hai Tian, Lin Qin, and Bin Tang. "Corrosion Behaviours of Mo Modified Ti6Al4V Alloy in Hank’s Solution." Materials Science Forum 610-613 (January 2009): 1150–54. http://dx.doi.org/10.4028/www.scientific.net/msf.610-613.1150.

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The Mo surface modified layer on Ti6Al4V alloy was obtained by the plasma surface alloying technique. The structure and composition of the Mo modified Ti6Al4V alloy was investigated by X-ray diffraction (XRD) and glow discharge optical emission spectroscopy (GDOES). The Mo modified layer contains Mo coating on subsurface and diffusion layers between the subsurface and substrate. The X- ray diffraction analysis of the Mo modified Ti6Al4V alloy reveals that the outmost surface of the Mo modified Ti6Al4V alloy is composed of pure Mo. The electrochemical corrosion performance of the Mo modified Ti
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5

Peng, Hanlin, Weiping Fang, Chunlin Dong, et al. "Nano-Mechanical Properties and Creep Behavior of Ti6Al4V Fabricated by Powder Bed Fusion Electron Beam Additive Manufacturing." Materials 14, no. 11 (2021): 3004. http://dx.doi.org/10.3390/ma14113004.

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Effects of scanning strategy during powder bed fusion electron beam additive manufacturing (PBF-EB AM) on microstructure, nano-mechanical properties, and creep behavior of Ti6Al4V alloys were compared. Results show that PBF-EB AM Ti6Al4V alloy with linear scanning without rotation strategy was composed of 96.9% α-Ti and 2.7% β-Ti, and has a nanoindentation range of 4.11–6.31 GPa with the strain rate ranging from 0.001 to 1 s−1, and possesses a strain-rate sensitivity exponent of 0.053 ± 0.014. While PBF-EB AM Ti6Al4V alloy with linear and 90° rotate scanning strategy was composed of 98.1% α-Ti
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6

Dolinar, Drago, Miro Gorenšek, Klemen Avsec, et al. "Mechanisms of Premature Fracture in Modular Neck Stems Made of CoCrMo/Ti6Al4V and Ti6Al4V/Ti6Al4V Alloy." Coatings 13, no. 7 (2023): 1255. http://dx.doi.org/10.3390/coatings13071255.

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In this paper, we present the mechanisms of premature fracture of modular neck stems in two case studies: (I) when the neck and stem are both made of the same Ti6Al4V alloy, and (II) when the neck and stem are made from two different alloys, CoCrMo and Ti6Al4V alloy. Our study integrates two orthopedic patients who have undergone primary uncemented THA for usual indications in two orthopedic centers (Community Health Centre and University Medical Centre). Both centers are part of the national public health care system. Both surgeries were performed by two skilled orthopedic surgeons with more
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7

Zhao, Wei, Ning He, and Liang Li. "Effect Mechanism of Nitrogen Gas on Chip Formation in High Speed Cutting of Ti6Al4V Alloy Based on FEM Simulation." Materials Science Forum 626-627 (August 2009): 177–82. http://dx.doi.org/10.4028/www.scientific.net/msf.626-627.177.

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Titanium alloys are known for their strong chemical reactivity with surrounding gas due to their high chemical affinity, especially in dry machining. This paper describes a study of chip formation characteristics under nitrogen gas media when machining Ti6Al4V alloy with WC-Co cemented carbide cutting tools at high cutting speeds. Based on the experimental study, a finite element model of two-dimensional orthogonal cutting process for Ti6Al4V alloy at different cutting conditions was developed using a commercial finite element software Deform-2D. Saw-tooth chips with adiabatic shear bands were
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8

Zhang, Xingyu, Weimin Wu, Xiangxiang Zhang, and Yanhu Wang. "Effect of Laser Quenching on Wire–Powder Collaborative Arc Additive Manufacturing of Ti6Al4V-Cu Alloys with 2.4% and 7.9% Copper Content." Materials 17, no. 24 (2024): 6176. https://doi.org/10.3390/ma17246176.

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In this work, Ti6Al4V-Cu alloys with different Cu contents (2.4 and 7.9 wt.%) were fabricated using novel wire–powder synchronous arc additive manufacturing to analyze the effect of laser quenching on Ti6Al4V-Cu alloys. The results show that this method can successfully produce Ti6Al4V-Cu alloys with a uniform composition. As the copper content increased, the alloy transitioned from a Widmanstätten structure to a basketweave structure, and the yield strength and tensile strength of the alloy increased by approximately 35% due to grain refinement and the high volume fraction of Ti2Cu with eutec
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9

Yu, Peng-Cheng, Xiu-Bo Liu, Xiao-Long Lu, et al. "Tribology and high-temperature oxidation behaviors of NiCrBSiFe composite coatings on Ti6Al4V alloy by laser cladding." RSC Advances 5, no. 93 (2015): 76516–25. http://dx.doi.org/10.1039/c5ra14732h.

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10

Li, Fu Ping, Jin Shan Li, Ge Jun Liu, Hong Chao Kou, Guang Sheng Xu, and Lian Zhou. "Fabrication and Compressive Properties of Porous Ti6Al4V Alloy with Elongated Pores for Biomedical Application." Materials Science Forum 815 (March 2015): 354–58. http://dx.doi.org/10.4028/www.scientific.net/msf.815.354.

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Porous Ti6Al4V alloys with anisotropic structure for biomedical application was fabricated by diffusion bonding of titanium alloy meshes. Compressive mechanical compatibility of the alloys is investigated as human bone implants. It is concluded that the fabrication processing for porous Ti6Al4V alloys has better control of the porosity. The pore structure of porous titanium is anisotropic, with elongated and square pores in the out-of-plane and in-plane direction, respectively, which is suited for bone ingrowth. The compressive Young’s modulus and yield stress of porous Ti6Al4V alloy compresse
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11

Li, Junguo, Jinding Xiong, Yi Sun, and Qinqin Wei. "Influence of Tungsten Addition on Microstructure and Tensile Properties of Ti6Al4V Fabricated by Laser-Directed Energy Deposition." Metals 13, no. 6 (2023): 1064. http://dx.doi.org/10.3390/met13061064.

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The addition of tungsten can improve the high-temperature oxidation resistance of titanium alloys. However, as its applications continue to expand, new demands are being placed on its room temperature strength. Here, we provide a dense titanium alloy with high strength by introducing proper W powders into the Ti6Al4V powders under direct energy deposition. The effect of tungsten addition on the microstructure and tensile properties of the Ti6Al4V alloy was investigated. Compared to pure Ti6Al4V, the titanium alloy with tungsten addition exhibited refined α′ martensite and β grains, which is at
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12

Sambo, Abdulkadir Mohammed, Muhammad Younas, and James Njuguna. "Insights into Machining Techniques for Additively Manufactured Ti6Al4V Alloy: A Comprehensive Review." Applied Sciences 14, no. 22 (2024): 10340. http://dx.doi.org/10.3390/app142210340.

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Investigation into the post-processing machinability of Ti6Al4V alloy is increasingly crucial in the manufacturing industry, particularly in the machining of additively manufactured (AM) Ti6Al4V alloy to ensure effective machining parameters. This review article summarizes various AM techniques and machining processes for Ti6Al4V alloy. It focuses on powder-based fusion AM techniques such as electron beam melting (EBM), selected laser melting (SLM), and direct metal deposition (DMD). The review addresses key aspects of machining Ti6Al4V alloy, including machining parameters, residual stress ef
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13

Lavrys, Serhii, Iryna Pohrelyuk, Dmytro G. Savvakin, Khrystyna Shliakhetka, and Mariia Olena Danyliak. "Features of Microstructural Evolution and Corrosion Behavior of Ti6Al4V Titanium Alloy Fabricated from Elemental Powder Blends." Key Engineering Materials 973 (February 9, 2024): 29–35. http://dx.doi.org/10.4028/p-gvgzk5.

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Sintered Ti6Al4V titanium alloys prepared from TiH2/60Al40V powder blends under various technological conditions were studied. The microstructural evolution was investigated by X-ray diffraction, scanning electron microscopy, optical microscopy, and energy dispersive X-ray analysis. The corrosion resistance of sintered titanium alloy was evaluated by the static immersion test in 40 wt.% H2SO4 acid, according to ASTM standard G31-72(2004). Depending on powder metallurgy processing parameters (compaction pressure or sintering temperature), the Ti6Al4V alloy was obtained with various structural f
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14

Pu, Jian, Dongsheng Wu, Yali Zhang, Xiaogang Zhang, and Zhongmin Jin. "An Experimental Study on the Fretting Corrosion Behaviours of Three Material Pairs at Modular Interfaces for Hip Joint Implants." Lubricants 9, no. 2 (2021): 12. http://dx.doi.org/10.3390/lubricants9020012.

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The fretting corrosion behaviours of Al2O3 ceramic/Ti6Al4V alloy, 316 L stainless/Ti6Al4V alloy, and CoCrMo alloy/Ti6Al4V alloy pairs were studied in an in-house developed fretting-corrosion tester. The fretting behaviours were characterized by the Ft-D-N and Ft/Fn curves. The morphology of the worn surface was analyzed by energy dispersive X-ray spectrometry (EDX), a scanning electron microscope (SEM), and a white light interferometer (WLI). The fretting regimes were found to vary from slip regime (SR) to mixed fretting regime (MFR), with an increase in loads for the Al2O3/Ti6Al4V and 316 L/T
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15

Horazdovsky, Tomas, and Radka Vrbova. "Tribomechanical Properties of a Carbon-Based Nanolayer Prepared by Nitrogen Ion Beam Assisted Deposition for Finger Joint Replacements." Journal of Nanomaterials 2018 (2018): 1–9. http://dx.doi.org/10.1155/2018/3749309.

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This paper presents the tribomechanical test results of Ti6Al4V alloy modified by carbon-based nanolayers with a thickness of 20 nm and 40 nm, prepared by nitrogen ion beam assisted deposition. The presence of carbon and nitrogen compounds was observed in the modified surface after ion bombardment. Nonstoichiometric TiNx was mainly detected near the interface nanolayer/titanium substrate and in the substrate itself. Ion bombardment led to an improved surface hardness of ~13 GPa in comparison to unmodified Ti6Al4V titanium alloy (~5.5 GPa) and alloy coated by carbon nanolayer without nitrogen i
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16

Wang, Shuaixing, Tianjian Yu, Zhiwei Pang, Xiaole Yin, and Xiaohui Liu. "Effect of Repeated Processing Passes during Ultrasonic Rolling on Fatigue Performance and Corrosion Resistance of Ti6Al4V Alloy." Metals 13, no. 10 (2023): 1719. http://dx.doi.org/10.3390/met13101719.

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Ultrasonic surface rolling processing (USRP) is a new method to improve the fatigue performance of titanium alloy, and repeated processing pass is an important factor that affects its strengthening effect. The effect of USRP passes on the surface microstructure, residual stress, fatigue performance and corrosion resistance of titanium alloy is researched via SEM, X-ray diffractometer, rotating–bending fatigue test and electrochemical impedance spectroscopy. The results show that Ti6Al4V alloy undergoes cumulative plastic deformation during USRP process, the surface grains are refined and a res
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17

Chao, Yu, Jian Ye Guo, Jing Kui Li, and Yan Li Zhang. "Experimental Research on Effect of Thermohydrogen Treatment on Machinability of Ti6Al4V Alloy." Advanced Materials Research 129-131 (August 2010): 426–29. http://dx.doi.org/10.4028/www.scientific.net/amr.129-131.426.

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By turning testing workpieces of different hydrogen content Ti6Al4V alloy, measuring cutting force and surface roughness as well as observing chip morphology, the effect of hydrogen content on machinability of Ti6Al4V alloy has been studied. Results of this experiment indicate that machinability of Ti6Al4V alloy improves with increasing hydrogen content at a certain range of hydrogen content, and there is a turning point of peak value, in excess of the hydrogen value, with the hydrogen content increasing, machinability of Ti6Al4V alloy is reduced.
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18

Shao, Mingzeng, Wei Wang, Hongbo Yang, Xueer Zhang, and Xiaomei He. "Preparation of Wear-Resistant Coating on Ti6Al4V Alloy by Cold Spraying and Plasma Electrolytic Oxidation." Coatings 11, no. 11 (2021): 1288. http://dx.doi.org/10.3390/coatings11111288.

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In order to improve the wear resistance of Ti6Al4V alloy, the alloy was first coated with alumina-reinforced aluminum coating (CS-coating) by cold spraying, and then the alloy with CS-coating was processed by plasma electrolytic oxidation (PEO) under unipolar mode and soft sparking mode, respectively, to prepare wear-resistant PEO coatings. For comparison, Ti6Al4V alloy without CS-coating was also subjected to PEO treatment. The microstructure, phase composition, hardness, and wear resistance of the PEO coatings formed on Ti6Al4V alloy with and without CS-coating were investigated. The results
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19

Chauhan, Pankaj, Veena Koul, and Naresh Bhatnagar. "Critical Role of Etching Parameters in the Evolution of Nano Micro SLA Surface on the Ti6Al4V Alloy Dental Implants." Materials 14, no. 21 (2021): 6344. http://dx.doi.org/10.3390/ma14216344.

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The surface of dental implants plays a vital role in early and more predictable osseointegration. SLA (sandblasted large grit and acid-etched) represents the most widely accepted, long-term clinically proven surface. Primarily, dental implants are manufactured by either commercially pure titanium (CP-Ti) or Ti6Al4V ELI alloy. The acid etch behavior of CP-Ti is well known and its effects on the surface microstructure and physicochemical properties have been studied by various researchers in the past. However, there is a lack of studies showing the effect of acid etching parameters on the Ti6Al4
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20

Wu, Yakun, Yanhua Guo, Guanglong Xu, Hui Chang, and Yuwen Cui. "Effects of Trace Erbium Addition on Microstructure and Mechanical Properties of Ti6Al4V-xEr Alloys." Metals 9, no. 6 (2019): 628. http://dx.doi.org/10.3390/met9060628.

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In order to discern the effect of rare earth element Er addition on grain refinement of the most widely used titanium alloy Ti6Al4V, new erbium modified Ti6Al4V alloys with compositions of Ti6Al4V-xEr (x = 0, 0.2, 0.4, 0.6 wt %) were developed and investigated for their microstructural characteristics and mechanical properties in comparison with their unmodified baseline alloy. Microstructural examinations revealed that, by adding Er, (1) the microstructure primarily retained a two-phase structure consisting of α and β, (2) remarkable grain refining occurred, and (3) some Er2O3 and Al2Er dispe
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21

Bidulská, Jana, Róbert Bidulský, Patrik Petrouse, Tibor Kvačkaj, Marco Actis Grande, and Radovan Hudák. "Evaluation of the Material Properties of the Ti and CoCr Alloys Prepared by Laser Powder Bed Fusion." Materials Science Forum 985 (April 2020): 223–28. http://dx.doi.org/10.4028/www.scientific.net/msf.985.223.

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The main aim of the present paper is evaluated the mechanical properties, microstructures and porosity of Ti6Al4V and CoCrW alloys produced by Laser Powder Bed Fusion (L-PBF) as an additive manufacturing (AM) technology. The mechanical properties were follows: For Ti6Al4V alloy the UTS was 1180 MPa; the YS was in the range <600; 745 MPa>. For CoCrW alloys, the UTS were in range <750; 950 MPa> and YS was in range <400; 500>. Evaluation of porosity was realized on non-etched samples using by quantitative image analysis in order to describe the dimensional and morphological poro
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22

Chen, Xuewen, Zhen Yang, Bo Zhang, Jiawei Sun, Zhiyi Su, and Yiran Mao. "An Inverse Optimization Method for the Parameter Determination of the High-Temperature Damage Model and High-Temperature Damage Graph of Ti6Al4V Alloy." Materials 16, no. 13 (2023): 4770. http://dx.doi.org/10.3390/ma16134770.

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Ti6AL4V alloy is widely used in the biomedical and energy vehicle industries, among others. Ti6Al4V alloy cannot be fabricated at ambient temperatures; hence, it requires hot forming. However, this method is susceptible to crack defects. The crack defect problem of Ti6AL4V alloy in the hot-forming process cannot be ignored, so we must develop a precise hot-forming damage prediction model. In this study, three high-temperature damage models of Ti6Al4V alloy were developed, considering the temperature and strain rate. These models were derived from the normalized Cockcroft and Latham (NCL), Oyan
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23

Qu, Mingjia, Zhengwei Gu, Xin Li, et al. "Hot Deformation Behavior and Microstructure Evolution Mechanisms of Ti6Al4V Alloy under Hot Stamping Conditions." Materials 17, no. 11 (2024): 2531. http://dx.doi.org/10.3390/ma17112531.

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Through the study of the thermal rheological behavior of Ti6Al4V alloy at different temperatures (500 °C, 600 °C, 700 °C, and 800 °C) and different strain rates (0.1 s−1, 0.05 s−1, 0.01 s−1, and 0.005 s−1), a constitutive model was developed for Ti6Al4V alloy across a wide temperature range in the hot stamping process. The model’s correlation coefficient reached 0.9847, indicating its high predictive accuracy. Hot processing maps suitable for the hot stamping process of Ti6Al4V alloy were developed, demonstrating the significant impact of the strain rate on the hot formability of Ti6Al4V alloy
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24

Magic, Marko, Bozana Colovic, Vukoman Jokanovic, et al. "Cytotoxicity of a titanium alloy coated with hydroxyapatite by plasma jet deposition." Vojnosanitetski pregled 76, no. 5 (2019): 492–501. http://dx.doi.org/10.2298/vsp170809097m.

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Background/Aim. The deposition of hydroxyapatite (HAP) on the surface of titanium (Ti) alloys enhances bioactivity and osseointegration of the alloys which are widely used as implant materials in dentistry and orthopaedic surgery. However, the stability of HAP and subsequent biocompatibility of such alloys depends on the coating technique. The aim of this work was to test the cytotoxicity of a Ti alloy (Ti6Al4V), coated with HAP by a new plasma deposition method. Methods. The Ti6Al4V samples prepared as discs, 10 mm in diameter and 2 mm in thickness, were coated with HAP (one or both sides of
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25

Chen, Xuewen, Bo Zhang, Yuqing Du, et al. "Constitutive Model Parameter Identification Based on Optimization Method and Formability Analysis for Ti6Al4V Alloy." Materials 15, no. 5 (2022): 1748. http://dx.doi.org/10.3390/ma15051748.

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Titanium alloy is widely applied in aerospace, medical, shipping and other fields due to its high specific strength and low density. The purpose of this study was to analyze the formability of Ti6Al4V alloys at elevated temperatures. An accurate constitutive model is the basic condition for accurately simulating the plastic forming of materials, and it is an important basis for optimizing the parameters of the hot forging forming process. In this study, the optimization algorithm was used to accurately identify the high-temperature constitutive model parameters of Ti6Al4V titanium alloy, and t
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26

Leng, Chong Yan, Rong Zhou, and Xu Zhang. "Surface Properties of the Ta and Ag Dual-Ion-Implanted Ti6Al4V Alloy." Advanced Materials Research 738 (August 2013): 78–82. http://dx.doi.org/10.4028/www.scientific.net/amr.738.78.

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First, Ti6Al4V alloy samples were modified by tantalum ion implantation at a dose of 1.5×1017ions/cm2, and then silver ion at a dose of 1×1017ions/cm2. Glancing angle X-ray diffraction analysis was used to characterize the phase composition of un-implanted Ti6Al4V alloy and Ta+Ag dual-ion-implanted Ti6Al4V alloy samples. X-ray photoelectron spectroscopy analysis was used to investigate the chemical states of the elements on the Ta+Ag dual-ion-implanted Ti6Al4V alloy sample’s surface. The results show that small amounts of Ta and Ag were present in their elementary forms, along with TiO2, Ta2O5
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27

Deepak, J. R. "A Review on Surface Engineering of Ti6Al4V Titanium Alloy Using Gas and Laser Nitriding Techniques." Applied Mechanics and Materials 766-767 (June 2015): 618–25. http://dx.doi.org/10.4028/www.scientific.net/amm.766-767.618.

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Nitriding is the most common surface engineering technique that is being used in Titanium alloys for improving their surface properties, viz hardness, wear resistance, etc. Ti6Al4V (Grade 5) Titanium Alloy is a super alloy that exhibits excellent mechanical strength; it is highly resistance to creep at very high temperatures which maintains good surface stability. It is resistant to corrosion and oxidation. The main objective of this review paper is to study the recent research works carried on Nitriding of Ti6Al4V alloy by using, viz gas Nitriding and laser Nitriding. This process is used in
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28

Bhola, Rahul, Charu Chandra, Faisal M. Alabbas, Sukumar Kundu, Brajendra Mishra, and David L. Olson. "Corrosion Response of Ti6Al4V and Ti15Mo Dental Implant Alloys in the Presence of Listerine Oral Rinse." International Journal of Corrosion 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/739841.

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The influence of a commonly used antibacterial mouth rinse, Listerine, on the corrosion behavior of one of the commonly used titanium alloys Ti6Al4V (two-phase structure, i.e.,αandβ) and a newer Ti15Mo (singleβphase) in normal saline solution has been investigated using electrochemical techniques. Interfacial electrochemical changes occurring at the oxide-solution interface have been analysed using EIS circuit modeling. Listerine acts as a corrosion inhibitor for Ti15Mo alloy and a corrosion promoter for Ti6Al4V alloy.
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29

Zhao, Zhang, Dong zengwen, and Hongbing Wu. "Effect of particle size on the ultraprecision polishing process of titanium alloy Ti6Al4V." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 233, no. 13 (2019): 4490–96. http://dx.doi.org/10.1177/0954406219831036.

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Because of the excellent properties, the application of titanium alloys in the ultraprecision field is attracting more and more attention of scholars. However, the poor machinability of titanium alloys limited their application. To reveal the mechanism of titanium alloy Ti6Al4V in ultraprecision polishing, the ultraprecision polishing tests of Ti6Al4V alloy have been carried out after the ultraprecision turning tests. The effect of particle size on the surface roughness has been investigated through the tests. In addition, a 2D finite element model was presented to investigate the ultraprecisi
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30

Cheng, Hang, Fang Zhou, and Zihao Fei. "Dry Friction Properties of Friction Subsets and Angle Related to Surface Texture of Cemented Carbide by Femtosecond Laser Surface Texturing." Coatings 13, no. 4 (2023): 741. http://dx.doi.org/10.3390/coatings13040741.

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This paper investigated the use of laser surface texturing (LST) to improve the tribological properties of YG6X cemented carbide. Three different spaced groove textures were processed on the surface of the YG6X carbide samples using a femtosecond laser. Friction experiments and friction simulations were performed under two friction subsets and two friction directions. The testing results showed that when the area density was 46%, the texture surface was beneficial when sliding against Si3N4, but not beneficial in reducing the coefficient of friction when sliding against Ti6Al4V titanium alloy.
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31

Racz, Sever, Radu Breaz, Melania Tera, et al. "Incremental Forming of Titanium Ti6Al4V Alloy for Cranioplasty Plates—Decision-Making Process and Technological Approaches." Metals 8, no. 8 (2018): 626. http://dx.doi.org/10.3390/met8080626.

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Ti6Al4V titanium alloy is considered a biocompatible material, suitable to be used for manufacturing medical devices, particularly cranioplasty plates. Several methods for processing titanium alloys are reported in the literature, each one presenting both advantages and drawbacks. A decision-making method based upon AHP (analytic hierarchy process) was used in this paper for choosing the most recommended manufacturing process among some alternatives. The result of AHP indicated that single-point incremental forming (SPIF) at room temperature could be considered the best approach when manufactu
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32

Guan, Jing, Xue Ting Jiang, Xing Cheng, Feng Yang, and Jing Liu. "Effect of High-Frequency Induction Carburization on Ti6Al4V Alloy Tissue and Wear Performance." Materials Science Forum 1032 (May 2021): 163–71. http://dx.doi.org/10.4028/www.scientific.net/msf.1032.163.

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The surface of Ti6Al4V alloy was rapidly carburized by high-frequency electromagnetic induction heating under vacuum. The microstructure and hardness of the carburized layer were studied. The wear properties of the carburized layer were tested at 50, 100 and 200 rpm using the end face friction and wear device, and the wear mechanism was analyzed. The results show that the TiC strengthening phase was formed on the surface of Ti6Al4V alloy after high-frequency induction carburization, and the surface grains were refined. The surface hardness reaches 1116 HV0.25, but the brittleness of the carbur
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33

Zhang, Chun Hua, Li Wen Tang, Fang Hu, Song Zhang, and Hau Chung Man. "Study on Wear and Corrosion Properties of Ti6Al4V Alloy by Laser Gas Nitriding." Advanced Materials Research 299-300 (July 2011): 188–92. http://dx.doi.org/10.4028/www.scientific.net/amr.299-300.188.

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Titanium alloys have successfully been used as surgical implants. Laser gas nitriding (LGN) is an effective method to improve the wear and corrosion resistance of titanium alloys. A nitride strengthened uniform layer, free of cracks, was obtained on the Ti6Al4V alloy by irradiating with a continuous wave Nd-YAG laser in a N2environment. The microstructure, electrochemical corrosion and tribological behavior of the alloy before and after LGN were studied by SEM, XRD, potentiostat, microhardness tester and tribometer. The results show that the performance and composition of the surface of the Ti
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Qian, Xiaohua, and Xiongying Duan. "Constitutive Model and Cutting Simulation of Titanium Alloy Ti6Al4V after Heat Treatment." Materials 12, no. 24 (2019): 4145. http://dx.doi.org/10.3390/ma12244145.

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As a typical high specific strength and corrosion-resistant alloy, titanium alloy Ti6Al4V is widely used in the aviation, ocean, biomedical, sport, and other fields. The heat treatment method is often used to improve the material mechanical properties. To investigate the dynamic mechanical properties of titanium alloy Ti6Al4V after heat treatment, dynamic compressive experiments under high temperature and high strain rate were carried out using split Hopkinson press bar (SHPB) equipment. The stress–strain curves of Ti6Al4V alloy under different temperatures and strain rates were obtained throu
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Zhao, ZeJia, Suet To, and ZhuoXuan Zhuang. "Serrated Chips Formation in Micro Orthogonal Cutting of Ti6Al4V Alloys with Equiaxial and Martensitic Microstructures." Micromachines 10, no. 3 (2019): 197. http://dx.doi.org/10.3390/mi10030197.

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The formation of serrated chips is an important feature during machining of difficult-to-cut materials, such as titanium alloy, nickel based alloy, and some steels. In this study, Ti6Al4V alloys with equiaxial and acicular martensitic microstructures were adopted to analyze the effects of material structures on the formation of serrated chips in straight line micro orthogonal machining. The martensitic alloy was obtained using highly efficient electropulsing treatment (EPT) followed by water quenching. The results showed that serrated chips could be formed on both Ti6Al4V alloys, however the c
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Raganya, Lerato, Nthabiseng Moshokoa, Ronald Machaka, Babatunde Obadele, and Mamookho Makhatha. "Microstructure and tensile properties of heat-treated Ti-Mo alloys." MATEC Web of Conferences 370 (2022): 03007. http://dx.doi.org/10.1051/matecconf/202237003007.

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Current research is focused on development of β-type titanium alloys for biomedical applications as substitutes of the undesirable Ti6Al4V alloy. Ti6Al4V alloy has a higher elastic modulus (110 GPa) than that of the human bone (10-30 GPa) and this mismatch in elastic moduli can cause stress shielding effect, which can cause bone resorption and implant failure. Moreover, the dissociation of vanadium and aluminium can cause long term diseases including Alzheimer, neuropathy. β-type titanium alloys are potential substitute materials due to their good biocompatibility and the β phase has a lower e
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Jia, Lei, and Long Fan. "Effects of Hydrogen on Diffusion Bonding of TiAl-Based Intermetallics with Hydrogenated Ti6AI4V Alloy Interlayer Containing 0.5wt% Hydrogen." Advanced Materials Research 750-752 (August 2013): 624–29. http://dx.doi.org/10.4028/www.scientific.net/amr.750-752.624.

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The direct diffusion bonding of TiAl-based intermetallics and the diffusion bonding of TiAl-based intermetallics with hydrogenated Ti6Al4V alloys interlayer containing 0.5wt% hydrogen were carried out. The effects of hydrogen on diffusion bonding were investigated by SEM, EPMA, XRD, TEM and TG/DSC. The good joint was formed at 850°C for 15 min under a pressure of 15MPa at the diffusion bonding of TiAl-based intermetallics with hydrogenated Ti6Al4V alloy interlayer containing 0.5wt% hydrogen, and the room temperature shear strength was up to 290MPa. Relatived to direct diffusion bonding of TiAl
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38

Masikane, Muziwenhlanhla A., Hilda K. Chikwanda, and Iakovos Sigalas. "A Comparative Study on the Sintering and Casting of a Blended Elemental Ti-6Al-4V Alloy." Materials Science Forum 828-829 (August 2015): 421–26. http://dx.doi.org/10.4028/www.scientific.net/msf.828-829.421.

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Over the past years, the blended elemental powder metallurgy (PM) approach has been identified as one of the most promising strategies to reduce the cost of titanium-based components. However, oxygen pick-up, inhomogeneity of the microstructure and chemical composition are sometimes reported for PM parts. This work compares properties of a blended elemental Ti-6Al-4V alloy obtained by sintering under argon gas atmosphere with those of a vacuum cast alloy. Argon was purified by passing it through a series of oxygen and moisture traps prior to being introduced into the sintering furnace. Casting
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39

Charlena, Charlena, Tetty Kemala, and Ravena Ravena. "Coating of Nanotube Ti6Al4V Alloy with Hydroxyapatite-Chitosan-Polyvinyl Alcohol Composite." Indonesian Journal of Fundamental and Applied Chemistry 7, no. 2 (2022): 58–67. http://dx.doi.org/10.24845/ijfac.v7.i2.58.

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Hydroxyapatite (HAp) can be applied as a bone implant material. HAp was composited with chitosan and polyvinyl alcohol (PVA) and coated to Ti6Al4V to improve its biocompatibility. The composite HAp-chitosan-PVA coated to anodized and unanodized Ti6Al4V. Modification of the Ti6Al4V surface by anodizing was done using a 20 V voltage. The Ti6Al4V metal alloy was coated with a composite using the electrophoretic deposition (EPD) method with a voltage of 80 V. The coated composites in Ti6Al4V nanotubes and non-nanotubes were characterized by Scanning Electron Microscope (SEM), X-Ray Diffraction (XR
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Zhou, Yuan, Qing Zhao, Ruchen Hong, Dongyi Mai, Yanjin Lu, and Jinxin Lin. "Exploring Construction of Biomedical Ti6Al4V-Ti5Cu Composite Alloy with Interpenetrating Structure: Microstructure and Corrosion Resistance." Materials 18, no. 3 (2025): 491. https://doi.org/10.3390/ma18030491.

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Cu-bearing titanium alloys exhibit promising antibacterial properties for clinical use. A novel Ti6Al4V-Ti5Cu composite alloy is developed using powder bed fusion (selective laser sintering, SLM) and spark plasma sintering (SPS). SLM produces a triple periodic minimal surface (TPMS) lattice structure from Ti6Al4V, which is then filled with Ti-5Cu powders and sintered using SPS. Microstructural analysis confirms a well-bonded interface between Ti6Al4V and Ti-5Cu could be achieved through SLM-SPS technology. The composite primarily showcases laths α phase, with Ti2Cu precipitates in the Ti-5Cu r
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Lin, Xiu Zhou, Min Gong, Zhao Hua Wang, and Peng Zhang. "Preparation and Corrosion Behaviour of Micro-Arc Oxidation Coating on Ti6Al4V Alloy." Advanced Materials Research 621 (December 2012): 117–20. http://dx.doi.org/10.4028/www.scientific.net/amr.621.117.

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Micro-arc oxidation (MAO) coatings were prepared on Ti6Al4V alloys surface by using self-made micro-arc oxidation equipment. Its characterizations were systematically detected by Vickers hardness tester, scanning electron microscope (SEM), X-ray diffractometer (XRD) and X-ray fluorescence spectrometer (XFS). Corrosion behaviour of MAO coating and Ti6Al4V alloy in Hank's simulated body fluid were studied comparatively using electrochemical workstations and salt spray test chamber. The experimental results indicated that the MAO coating, with rough surface, high hardness and typical porous ceram
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Ding, Zeliang, Yi Wang, Quan Zhou, et al. "Microstructure, Wettability, Corrosion Resistance and Antibacterial Property of Cu-MTa2O5 Multilayer Composite Coatings with Different Cu Incorporation Contents." Biomolecules 10, no. 1 (2019): 68. http://dx.doi.org/10.3390/biom10010068.

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Bacterial infection and toxic metal ions releasing are the challenges in the clinical application of Ti6Al4V alloy implant materials. Copper is a kind of long-acting, broad-spectrum and safe antibacterial element, and Ta2O5 has good corrosion resistance, wear-resistance and biocompatibility, they are considered and chosen as a potential coating candidate for implant surface modification. In this paper, magnetron sputtering technology was used to prepare copper doped Ta2O5 multilayer composite coating Cu-Ta2O5/Ta2O5/Ta2O5-TiO2/TiO2/Ti (Cu-MTa2O5 for short) on Ti6Al4V alloy surface, for studying
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43

Kao, Wen-Hsien, Yean-Liang Su, Jeng-Haur Horng, and Shu-Er Yang. "Tribological performance, electrochemical behavior and biocompatibility of high-temperature gas-nitrided Ti6Al4V alloy." Industrial Lubrication and Tribology 70, no. 8 (2018): 1536–44. http://dx.doi.org/10.1108/ilt-02-2017-0037.

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Purpose This paper aims to investigate the tribology, corrosion resistance and biocompatibility of high-temperature gas-nitrided Ti6Al4V alloy. Design/methodology/approach The tribological properties were studied by reciprocating wear tester. The corrosion resistance was evaluated by using potentiodynamic polarization test. The purified mouse leukaemic monocyte macrophage cells are used to investigate the biocompatibility. Findings The results show that the nitriding treatment leads to a significant improvement in the hardness and tribological properties of Ti6Al4V alloy. Specifically, compare
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Zhang, Dongqi, Dong Du, Guan Liu, Ze Pu, Shuai Xue, and Baohua Chang. "Microstructure and Wear Resistance of FeCuNiTiAl High-Entropy Alloy Coating on Ti6Al4V Substrate Fabricated by Laser Metal Deposition." Lubricants 10, no. 10 (2022): 263. http://dx.doi.org/10.3390/lubricants10100263.

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In order to improve the hardness and wear resistance of titanium alloys, an equimolar ratio high-entropy alloy (HEA) FeCuNiTiAl coating was fabricated on the surface of titanium alloy Ti6Al4V by means of laser metal deposition for the first time. The microstructure and composition of the HEA coating and the transition zone were observed by scanning electron microscopy (SEM) and energy dispersive spectrometer (EDS). The results show that HEA coating and Ti6Al4V have suitable metallurgical bonding, and no defects, such as cracks, are found at the interface. The hardness of the HEA coating is bet
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Siyah, Murtdha Adhab, Rostam Moradian, and Iraj Manouchehri. "Electro chemical impedance spectroscopy (EIS) study of modified SS316L using radio frequency sputtering Ti6Al4V coating in Ringer solution." Anti-Corrosion Methods and Materials 66, no. 1 (2019): 27–33. http://dx.doi.org/10.1108/acmm-05-2018-1929.

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PurposeSS316L alloy used in biomedical application and the alloy have Fe, Cr and Ni elements and release this ion into the human body causing dangerous effects for the human body, and make the SS316L, which is used as surgical implant failure in short time in biomedical application. This study aims to use Ti6Al4V as coating for SS316L alloy to make it have bio inert surface, and modified the surface alloy for biomedical application from another part in this study, we want to decrease the corrosion rate for SS316L in simulated body surface Ringer solution.Design/methodology/approachThe morpholo
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Yu, Chao, Jian Ye Guo, Yan Li Zhang, and Jing Kui Li. "Effect of Thermohydrogen Treatment Temperature on Machinability of Ti6Al4V Alloy." Advanced Materials Research 146-147 (October 2010): 262–66. http://dx.doi.org/10.4028/www.scientific.net/amr.146-147.262.

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The temperature of thermohydrogen treatment for the testing workpieces respectively was 650°C,750°C,850°C. By turning testing workpieces of different hydrogen content Ti6Al4V alloy, measuring cutting force and surface roughness as well as observing chip morphology, the effect of themohydrogen treatment temperature on machinability of Ti6Al4V alloy has been studied. Results of this experiment indicate that machinability of Ti6Al4V alloy improves with increasing the temperature of thermohydrogen treatment at the range of experimental temperature.
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47

Li, Fei, Bojin Qi, Yongxin Zhang, et al. "Effects of Heat Treatments on Microstructures and Mechanical Properties of Ti6Al4V Alloy Produced by Laser Solid Forming." Metals 11, no. 2 (2021): 346. http://dx.doi.org/10.3390/met11020346.

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The steep thermal gradient and complicated thermal cycle occur in the fabrication of Ti6Al4V alloy during laser solid forming (LSF). That leads to obvious anisotropic mechanical properties and requires essential heat treatments to improve its performance. In this work, different heat treatment strategies under vacuum condition were used to study the evolution of microstructures and mechanical properties of Ti6Al4V alloy produced by LSF. The results show that transformation from α phase into lamellar α + β dual-phases structure is introduced at low temperature (550 °C), and the α phase is broke
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Karolewska, Karolina, and Bogdan Ligaj. "Mechanical properties comparison of Ti6Al4V produced by different technologies under static load conditions." MATEC Web of Conferences 290 (2019): 08010. http://dx.doi.org/10.1051/matecconf/201929008010.

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The most commonly used technology among the additive manufacturing is Direct Metal Laser Sintering (DMLS). This process is based on selective laser sintering (SLS). The method gained its popularity due to the possibility of producing metal parts of any geometry, which would be difficult or impossible to obtain by the use of conventional manufacturing techniques. Materials used in the elements manufacturing process are: titanium alloys (e.g. Ti6Al4V), aluminium alloy AlSi10Mg, etc. Elements printed from Ti6Al4V titanium alloy find their application in many industries. Details produced by additi
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Xiao, Jinrui, Yiteng Zhang, Bin Hu, Xiaochu Liu, Zhongwei Liang, and Zhuan Zhao. "Tribological Properties of Ti6Al4V Alloy Composite Texture Fabricated by Ultrasonic Strengthening Grinding and Laser Processing." Materials 16, no. 1 (2022): 355. http://dx.doi.org/10.3390/ma16010355.

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The Ti6Al4V alloy has been widely used in aerospace equipment and medical devices. However, the poor wear resistance of the Ti6Al4V alloy hinders its further engineering application. In this study, the ultrasonic strengthening grinding process (USGP) and laser texturing process were employed to enhance the wear resistance of Ti6Al4V alloy. The frictional behavior of all samples was determined via a ball-on-disc friction and wear tester under dry conditions. The worn surface morphology, cross-sectional hardness, surface roughness, and microstructure were analyzed. The results demonstrated that
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Ujah, Chika O., Patricia A. Popoola, Olawale M. Popoola, Ebenezer A. Afolabi, and Uwa O. Orji. "Investigating the nanomechanical and thermal characteristics of Ti20-Al20-V20-Fe20-Ni20 HEA developed via SPS for high energy applications." Metallurgical Research & Technology 119, no. 6 (2022): 616. http://dx.doi.org/10.1051/metal/2022102.

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Ti6Al4V is one of the most popular alloys used in the aerospace, biomedical and high temperature/strength applications due to its high strength, low weight, high oxidation resistance and low CTE. But its low shear strength undermines its performance in some critical engineering applications. This work was aimed at developing high entropy alloy of Ti-Al-V-Fe-Ni at equiatomic level using spark plasma sintering technique which would be able to address the above weakness of Ti64. The powders were blended, sintered at varying temperatures from 700 °C to 1100 °C and characterized. Results showed tha
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