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Dissertations / Theses on the topic 'Ti6Al4V alloy'

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Published: 4 June 2021

Last updated: 27 July 2025

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1

Karimzadeh, F., P. Salehikahrizsangi, M. H. Enayati, and M. H. Abbasi. "Development and Characterization of Nanostructured Ti6Al4V Alloy." Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/34885.

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Nanostructured Ti6Al4V alloy was successfully formed through mechanical alloying of a stoichiometric mixture of Ti, Al and V powders. Phase evolutions of the milled powders were investigated by XRD. The Ti(Al,V) solid solution formed after 10 h milling. Prolongation of the milling process up to 20 h lead to a structure consisting of the B-Ti phase in the a-Ti(Al) matrix. The nanostructured Ti6Al4V alloy had a grain size and hardness of 20 nm and 600 Hv respectively. Thermal stability of the alloyed powder was good as it's hardness increased to 950 Hv after 5 hr heat treatment at 1100

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2

Mazwi, Sive. "Hydrogen storage in Ti-based coatings and Ti6Al4V alloy." University of the Western Cape, 2016. http://hdl.handle.net/11394/5319.

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>Magister Scientiae - MSc<br>Hydrogen has been regarded as an ideal energy carrier for future, it can be stored as a liquid in cryogenic tanks, a gas in high pressure cylinders and as solid in metal hydrides. Hydrogen storage in metal hydrides is of research interest because hydrides often have high energy density than gas or liquid hydrogen and are relatively safe. Ti and Ti alloys are promising hydrogen storage material because they have high affinity for hydrogen, light in weight and react reversibly with hydrogen. This work aims to investigate the hydrogen storage capacity of CP- Ti and Ti

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3

Yan, Xingchen. "Study on Selective Laser Melting of Ti-6Al-4V alloy for biomedical applications." Thesis, Bourgogne Franche-Comté, 2018. http://www.theses.fr/2018UBFCA032.

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La fusion sélective par laser (SLM), en tant que technologie de fabrication additive émergente, permet la fabrication de pièces complexes et de conception avancée. Cette technologie est particulièrement adaptée aux applications biomédicales, telles que la production d'implants personnalisés. Les alliages de titane, en particulier le Ti6Al4V, sont largement utilisés dans les industries médicales en raison de leurs excellentes propriétés mécaniques et de leur biocompatibilité. Afin de développer une substitution osseuse spécifique, l'étude présente s'est concentré sur les propriétés mécaniques,

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4

Mastrocinque, Ernesto. "Laser welding of Ti6Al4V alloy by disk laser: analysis and optimization." Doctoral thesis, Universita degli studi di Salerno, 2012. http://hdl.handle.net/10556/352.

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2010 - 2011<br>Titanium alloys have been successfully applied in many industrial fields because of their better performance and lighter weight than other commonly used structural materials. The conventional welding methods used for titanium alloys are tungsten inert gas (TIG) and plasma arc welding. In recent decades, autogenous processes with highly concentrated energy sources have become popular; these joining processes are laser and electron-beam welding. The power source can be concentrated in very small areas so as to achieve energy densities up to 10,000 times higher than those of

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5

Modgil, Aditya. "Effects of high speed machining on surface topography of titanium alloy (Ti6Al4V)." [Gainesville, Fla.] : University of Florida, 2003. http://purl.fcla.edu/fcla/etd/UFE0002846.

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6

PERETTI, VERONICA. "Boronizing of Ti6Al4V alloy as a biomaterial with enhanced surface mechanical properties." Doctoral thesis, Politecnico di Torino, 2019. http://hdl.handle.net/11583/2730235.

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7

Bordin, Alberto. "Machinability of Ti6Al4V alloy produced by electron beam melting under different lubricating conditions." Doctoral thesis, Università degli studi di Padova, 2016. http://hdl.handle.net/11577/3427109.

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In the last decade, the growing diffusion of metal additive manufacturing technologies is revolutionising the manufacturing processes of the most advanced industrial fields. Nowadays, more and more companies operating in the aeronautic and in the biomedical field are employing the additive manufacturing technology of Electron Beam Melting (EBM) to produce prosthesis and aero engine parts made of the titanium alloy Ti6Al4V, traditionally produced by hot forging and machining. Thanks to this technology, it is possible to realise a complex shape component with tailored mechanical and geometrical

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8

Eriksen, Lars. "Combined EBSD-Investigations and In-situ Tensile Tests of a Direct Metal Deposited Ti6Al4V-Alloy." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for materialteknologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-22438.

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Two blocks made of Ti6Al4V material produced by Norsk Titanium Components ned Direct Metal Deposition (DMD) production technology were delivered for this investigation. The main difference between the blocks was the different waiting time implemented in the production parameters. The different waiting time implied that the material were allowed to cool to a deisred Interpass Temperature (IT). The blocks are referred to as T200 and T600 after their lowest IT of <200 degrees celsius and 500-700 degrees celsius, respectively. Sintef Manufacturing Raufoss reported elongations of 5% and 8% in th

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9

Antonysamy, Alphons Anandaraj. "Microstructure, texture and mechanical property evolution during additive manufacturing of Ti6Al4V alloy for aerospace applications." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/microstructure-texture-and-mechanical-property-evolution-during-additive-manufacturing-of-ti6al4v-alloy-for-aerospace-applications(03c4d403-822a-4bfd-a0f8-ef49eb65e7a0).html.

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Additive Manufacturing (AM) is an innovative manufacturing process which offers near-net shape fabrication of complex components, directly from CAD models, without dies or substantial machining, resulting in a reduction in lead-time, waste, and cost. For example, the buy-to-fly ratio for a titanium component machined from forged billet is typically 10-20:1 compared to 5-7:1 when manufactured by AM. However, the production rates for most AM processes are relatively slow and AM is consequently largely of interest to the aerospace, automotive and biomedical industries. In addition, the solidifica

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10

Gregui, Ricardo Gratão. "Tenacidade à fratura dinâmica de ligas de titânio (Ti6AI4V) e de aço inoxidável (PH15-5)." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/18/18135/tde-17022016-122311/.

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O presente trabalho visou determinar a tenacidade à fratura dinâmica, KID, primeiramente pelos conceitos da Mecânica da Fratura Elástica Linear (MFEL) e posteriormente pela Mecânica da Fratura Elasto-Plástica (MFEP), JID, em materiais que em operação podem estar sujeitos a impactos em diferentes temperaturas. Os materiais estudados, de uso na indústria aeronáutica, foram uma liga de titânio Ti6Al4V (norma SAE AMS 4911), na condição recozida e uma liga de aço inoxidável PH 15-5 (norma SAE AMS 5659), na condição H1000. Os corpos de prova pré-trincados e entalhados foram retirados nas orientações

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11

Silva, Antonio Augusto Monaco da. "An investigation on the structure, property relationships of solid state welding processes in a titanium matrix composite alloy (Ti6Al4V + 10 wt.% of TiC) /." Geesthacht : GKSS-Forschungszentrum, 2006. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=015585284&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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12

Dang, Ning. "3d visualization for microstructure characteristics and damage evolution in dual phase titanium alloy." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSEI053.

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Le titane et ses alliages, qui possèdent des propriétés intégrées, notamment une faible densité, une résistance spécifique élevée et une excellente résistance à la corrosion, sont des "bêtes de somme" dans le domaine des industries modernes. Au cours des dernières années, avec le développement des technologies industrielles, nous avons imposé des exigences strictes aux propriétés des composants fabriqués en alliages de titane dans des environnements difficiles. Comment explorer d'autres propriétés potentielles dans les alliages de titane? Une telle question a attiré les yeux des chercheurs. Pa

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Bui, Van Hung. "Strategies in 3 and 5-axis abrasive water jet machining of titanium alloys." Thesis, Toulouse 3, 2019. http://www.theses.fr/2019TOU30218.

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L'alliage de titane est généralement utilisé pour les pièces structurelles aéronautiques ayant une taille importante et ainsi que des parois minces tout en devant résister à des efforts considérables. L'usinage de ces pièces est difficile avec les méthodes classiques telles que le fraisage, car les forces de coupe sont élevées et les parois minces peuvent être facilement déformées. L'usinage de l'alliage de titane (Ti6Al4V) par un procédé utilisant un jet d'eau abrasif (AWJ) peut potentiellement être utilisé pour remplacer les méthodes d'usinage conventionnelles. Cependant, la compréhension de

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14

Dorlin, Théo. "Développement d’un modèle généralisé d’efforts de coupe pour l’usinage de l'alliage de titane Ti6Al4V. Application aux techniques de tournage et fraisage." Thesis, Paris, ENSAM, 2016. http://www.theses.fr/2016ENAM0044/document.

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Dans l’optique de maîtriser l’industrialisation des pièces complexes, les efforts de coupe sont une source riche d’informations. Bien que la prédiction des efforts de coupe soit un sujet largement traité par la communauté scientifique, quelques verrous subsistent. Les travaux de cette étude visent à enrichir les modèles existants sous deux principaux aspects : une étude approfondie de l’influence des conditions de contact en dépouille associées à la géométrie de pièce et l’effet de l’usure de l’outil sur l’évolution des efforts de coupe au cours du temps. Pour ce faire, plusieurs expérimentati

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15

Da, Silva Antonio Augusto Monaco. "An Investigation on the Structure/Property Relationships of Solid State Welding Processes in a Titanium Matrix Composite Alloy (Ti6Al4V [plus] 10 wt.% of TiC)." Gerhard-Mercator-Universitaet Duisburg, 2006. http://www.ub.uni-duisburg.de/ETD-db/theses/available/duett-01312006-125941/.

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TiC particulate reinforced Ti6Al4V metal matrix composites (Ti6Al4V 10 wt.% TiC) have high strength-to-weight ratio and good high temperature properties. Although this class of composite clearly perform better than the matrix alloy itself, the successful application of such particulate-reinforced materials depends on the availability of proven joining techniques that can produce high quality joints. Due to the high chemical reactivity of titanium that may lead to a chemical interaction with the reinforcing material a poor fusion welding performance is commonly observed in these materials makin

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16

Esen, Ziya. "Production And Characterization Of Porous Titanium Alloys." Phd thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/3/12608964/index.pdf.

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In the present study, production of titanium and Ti6Al4V alloy foams has been investigated using powder metallurgical space holder technique in which magnesium powder were utilized to generate porosities in the range 30 to 90 vol. %. Also, sintering of titanium and Ti-6Al-4V alloy powders in loose and compacted condition at various temperatures (850-1250oC) and compaction pressures (120-1125 MPa), respectively, were investigated to elucidate the structure and mechanical properties of the porous cell walls present due to partial sintering of powders in the specimens prepared by space ho

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17

Cheng, Wenyu. "Modélisation de l'usinage de l'alliage de titane Ti-6AI-4V utilisant un modèle constitutif prenant en compte l'état de contrainte dans la zone de déformation." Thesis, Paris, ENSAM, 2019. http://www.theses.fr/2019ENAM0055.

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L'objectif de cette thèse est de proposer un modèle constitutif du comportement mécanique de l’alliage de titane Ti-6Al-4V et de l'appliquer à la simulation du procédé d’usinage. Ce modèle prend en compte les paramètres les plus influents sur le comportement mécanique (plasticité et endommagement) de l’alliage de titane Ti-6Al-4V lors de la coupe (l’état de contrainte et la vitesse de déformation). Des échantillons spéciaux ont été conçus pour générer une large gamme d'états de contrainte (triaxialité et angle de Lode) lors d'essais mécaniques, qui sont représentatifs du procédé de coupe. Une

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18

Bamford, Erik. "Tool wear in turning of titanium alloy Ti–6Al–4V : Challenges and potential solutions for crater wear, diffusion and chip formation." Thesis, Uppsala universitet, Tillämpad materialvetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-306373.

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Titanium alloys are major materials used in the airplane industry, and prospects show that airplane production will double in the next 20 years. Consequently, the demand for cutting tools for machining of titanium alloys will increase. The primary problem when machining titanium alloys is their low thermal conductivity. Crater wear is the main factor limiting tool life, and is generally caused by thermal diffusion due to high temperatures in the tool-chip interface. This master’s thesis was performed in collaboration with Sandvik Coromant, with the prospect to increase knowledge of how diffusi

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19

Ahsan, Muhammad Naveed. "Modelling and analysis of laser direct metal deposition of Ti-6Al-4V alloy." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/modelling-and-analysis-of-laser-direct-metal-deposition-of-ti6al4v-alloy(e56c53a4-ca76-4870-89df-b34390b6697a).html.

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A major strength of the laser direct metal deposition (LDMD) rapid manufacturing technique is its ability to manufacture freeform shapes, to directly create different surface coatings on a part, and to produce parts from graded porous to fully dense solid structures. This technique is gaining popularity in the fields of aerospace and biomedical manufacture due to its flexibility and cost effectiveness. Surface coating and repair are its biggest application in industry. Previous models of surface layer coating predicted heat flow in the substrate and the resulting temperature distributions succ

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20

Tolkner, Josef. "Analýza vlivu obráběného materiálu na opotřebení a trvanlivost nástroje." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230107.

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Machining technology is a multi disciplinary field, and together with the economy are playing always more important role in the success of the enterprise market products and services. Recent studies show that it requires very close link between technology, management and information technology such as the integration process and production planning, simulation of manufacturing systems, production flexibility, virtual machines, control algorithms, etc. The key changes are based on the requirements for miniaturization of products, higher production accuracy, closer tolerances, better surface qua

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Shrestha, Sulochana. "MECHANICAL CHARACTERIZATION OF Ti-6AL-4V REPAIRED BY DIRECTED ENERGY DEPOSITION IN COMPARISON WITH THE CONVENTIONAL Ti-6AL-4V." University of Akron / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=akron1619700926536015.

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Těšík, Martin. "Obrábění materiálů pro specifické dentální aplikace." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-402520.

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This diploma thesis is focused on dental materials used in prosthetic medicine. In the introduction, the most important characteristic of dental materials is summarised, which is biocompatibility. Further it contains distribution of nowadays used dental materials, which are oxidic ceramics and titanium alloys. It describes pitfalls of machining of those materials. Final part is devoted to process of the production of the new dental crown, from the first arrival of the patient to the machining of final product. The thesis also compares the economics of dental crown production using milling and

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23

Byrtus, Robin. "Mechanické vlastnosti svaru titanové slitiny TiAl6V4 připraveného pomocí technologie elektronového paprsku." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-378407.

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The aim of the diploma thesis is to evaluate the mechanical properties and fracture behavior of the weld join Ti6Al4V titanium alloy prepared by using an electron beam technology. The theoretical part deals with the welding of titanium alloys with the help of electron beam, the weldability evaluation of titanium alloys, the influence of electron beam welding on the microstructure and the methods of testing of weld joints. Using the experiments, the mechanical properties of the base material and the weld were evaluated and a structural analysis of the weld was performed.

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Dukovský, Daniel. "Depozice bioaktivních keramických vrstev pomocí technologie RF-ICP." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-442600.

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Tato diplomová práce se zabývá problematikou plazmového nanášení bioaktivních keramických povlaků hydroxylapatitu s využitím technologie radio-frekvenčně buzeného indukčně vázaného plazmatu. Cílem bylo optimalizovat proces a nanést kompaktní hydroxylapatitové povlaky na substráty z titanové slitiny Ti6Al4V. Nanesené vzorky byly následně podrobeny analýzám povrchové drsnosti, mikrostruktury a fázového složení. Ze získaných výsledků byly vyvozeny závěry, které byly srovnány s dalšími odbornými pracemi zabývajícími se příbuznou problematikou.

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Magogodi, Steven Mothibakgomo. "Hydrogen storage capacity of the Ti-Pd multilayer systems." University of the Western Cape, 2020. http://hdl.handle.net/11394/7711.

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>Magister Scientiae - MSc<br>Hydrogen has high energy density and it is regarded as the future energy carrier. Hydrogen can be stored as a gas in high-pressure cylinders, as a liquid in cryogenic tanks and as a solid in metal hydrides. The storage of hydrogen in gas and liquid form has many limitations. Light metal hydrides show high energy density and are a promising and more practical mode of hydrogen storage. In particular, titanium and its alloys are promising metal hydrides for hydrogen storage due to their high affinity to hydrogen. The aim of this study is to investigate the effect of t

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Bártková, Denisa. "Vysokocyklová únava titanové slitiny Ti6Al4V." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230930.

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The main goal of this master's thesis is an analysis of high-cycle fatigue of titanium alloy Ti- 6Al- 4V. In the first section of a theoretical part of the thesis, there are summarized current facts about production, properties and aplications of titanium alloys. The second section pursues fatigue behaviour of material. An experimental part consists of metallographic analysis, evaluation of tension and bending tests and mainly analysis of high-cycle fatigue behavior for different assymetry ratios.

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Bučková, Katrin. "Pokročilá technologie výroby kloubních implantátů metodou EBM." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-433499.

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Tato práce se zabývá pokročilou technologií výroby personalizovaných kloubních implantátů metodou EBM za použití titanové slitiny Ti6Al4V-ELI a navrhuje nový unikátní design kolenního implantátu společně s metodologií jeho inserce, přičemž tato řešení jsou součástí patentové přihlášky č. PV 2020-459. Toto neinvazivní řešení náhrady kolenního kloubu je šetrnější k pacientovi, maximálně chrání jeho zdravé tkáně a kosti, navíc se dá předpokládat vyšší životnost implantátu ve srovnání s tradičními dostupnými řešeními. Byla uskutečněna výroba vzorků z materiálu Ti6Al4V-ELI metodou EBM, proveden roz

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Hager, Carl H. Jr. "Mechanisms of Nickel-Based Coatings for Fretting Wear Mitigation of Ti6Al4V Interfaces." Wright State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=wright1221763650.

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Swan, Lindsay Jane. "Characterization of residual stress driven deformation in terms of build height for thin walled laser metal deposition (Ti6AI4V) components." Thesis, Nelson Mandela University, 2018. http://hdl.handle.net/10948/23537.

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Ti6Al4V is the most commonly used of the titanium alloys and is known for its high strength to weight ratio and superb corrosion resistance compared to conventional steels. Ti6Al4V is used in applications in the aerospace, biomedical, automotive, power generation and oil and gas fields. Laser metal deposition (LMD) is an additive manufacturing (AM) platform used to build 3-D metal shapes. LMD is one of the most researched topics within the laser processing field currently and is advancing continuously. The rapid growth in the AM field is driven by market demands to reduce manufacturing costs,

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Dumkum, Chaiya. "A multilayer approach to adherent diamond-like carbon coatings on commercially pure titanium (CP-Ti) and titanium alloy (Ti6A14V)." Thesis, University of Nottingham, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263411.

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Pervaiz, Salman. "Numerical and Experimental Investigations of the Machinability of Ti6AI4V : Energy Efficiency and Sustainable Cooling/ Lubrication Strategies." Doctoral thesis, KTH, Industriell produktion, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-173594.

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Titanium alloys are widely utilized in the aerospace, biomedical,marine, petro-chemical and other demanding industries due to theirdurability, high fatigue resistance and ability to sustain elevateoperating temperature. As titanium alloys are difficult to machine, dueto which machining of these alloys ends up with higher environmentalburden. The industry is now embracing the sustainable philosophy inorder to reduce their carbon footprint. This means that the bestsustainable practices have to be used in machining of titanium alloys aswell as in an effort to reduce the carbon footprint and green

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Santos, Silvando Vieira dos. "Comportamento em fadiga e corrosão fadiga da liga Ti6A14V oxidada termicamente." Pós-Graduação em Ciência e Engenharia de Materiais, 2014. https://ri.ufs.br/handle/riufs/3487.

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Fatigue and fracture assisted by the environment are responsible for the majority of failures in implants. Due to low tribological properties of titanium alloys, the thermal oxidation technique has been evaluated to improve the surface hardness and consequently, to improves the tribological properties of Ti6Al4V alloy. However, despite improved tribological properties of the Ti6Al4V alloy, there is a tendency to reduction of the fatigue limit of the oxide layer. The combined action of body fluid and cyclic loads also need to be investigated. This study evaluated the effect of thermal oxidation

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Lunt, David. "The effect of macrozones in Ti-6Al-4V on the strain localisation behaviour." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/the-effect-of-macrozones-in-ti6al4v-on-the-strain-localisation-behaviour(f1b4158e-d1f1-4e7b-b32f-91120c7e3cce).html.

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Ti-6Al-4V is the most widely used titanium alloy and is typically used in stages of gas turbine engines, due to its high strength-to-weight ratio, corrosion resistance and high strength at moderate temperatures. However, the alloy is susceptible to the development of strong textures during thermomechanical processing that leads to a preferred crystallographic orientation. These are referred to as macrozones and are thought to develop during the β to α phase transformation, as a result of the retention of large prior β grains during processing and variant selection. Macrozones are clusters of n

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Ehrman, James D. "X-Ray Photoelectron Spectroscopy Studies of Orthopedic Materials." University of Akron / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=akron1248115447.

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Tsai, Jhong Jhih, and 蔡忠秩. "Study of anodization coloring and wear resistance on Ti6Al4V alloy." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/9v6d7c.

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碩士<br>國立高雄第一科技大學<br>機械與自動化工程所<br>96<br>The aim of this study is to investigate the wear-resistance of Ti6Al4V alloy after anodizing. This study can be divided into three parts. Including electropolishing, anodizing, and sealing treatment. The first part is to discuss the electropolishing of Ti6Al4V alloy by using the Taguchi method. At the outset, the mix liquid of methanol, n-butanol and perchloric acid are electrolyzed. In one by one factor analysis, it is found that the optimal polishing parameters : polishing voltage is 29V, polishing time is 2minutes, ideal HClO4 concentration between 18

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chiang, chi-sheng, and 江啟聖. "Effects of Chitosan on Post Bioceramic Coated Ti6Al4V Implant Alloy." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/60970559304177661823.

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碩士<br>國立中興大學<br>材料工程學系所<br>94<br>To improve the bioactivity, attachment, proliferation and differentiation of osteoblast, the deposition of chitosan was conducted on post biceramics coated Ti6Al4V implant alloy. In the study, the coated specimens were characterized by XRD, SEM/EDS analysis, AFM, adhesion test, electrochemical polarization tests, immersion tests and cell culture. The results showed that chitosan can pentrate and fully cover the porous bioceramics coating and finally result in the decrease of surface roughness. Immersion tests showed that chitosan could improve the bioactivity o

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Li, Dong-Jhan, and 李東展. "Optimization of Electrical Discharge Machining Parameters for Titanium Alloy (Ti6Al4V)." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/70110506103502319654.

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碩士<br>中州科技大學<br>工程技術研究所<br>102<br>In this study, Titanium Alloy (Ti6Al4V) was machined by electrical discharge machining (EDM) to investigate the effects of machining parameters on machining characteristics. Therefore, parts of experiment were conducted with orthogonal arrays of Taguchi method for economically to explore the machining parameters on machining characteristics such as material removal rate (MRR), electrode wear rate (EWR), relative electrode wear ratio (REWR) and surface roughness (SR). Besides, through analysis of variance (ANOVA) and F test of signal to noise (S/N) ratio, the

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Shumayal, Ahmad. "Tribocorrosion analysis of Ti6Al4V alloy produced by selective laser melting." Master's thesis, 2019. http://hdl.handle.net/10316/93560.

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Dissertação de Mestrado Conjunto Europeu em Tribologia de Superficies e Interfaces apresentada à Faculdade de Ciências e Tecnologia<br>As ligas de titânio têm sido utilizadas em várias aplicações desde a indústria aeroespacial e automóvel e também como materiais para aplicações biomédicas (por exemplo, usados como implantes) devido à sua alta resistência ao desgaste e corrosão. A liga de Titânio Ti6Al4V, também conhecido como Grau 5, tem sido usada com sucesso em aplicações de engenharia biomédica (por exemplo, implantes dentários ou articulações de joelho) devido a ter excelentes característi

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huang, Chiang-Yu, and 黃江瑜. "Effects of Collagen on Post Biocermics Coated Ti6Al4V Implant Alloy." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/67997700464024521259.

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碩士<br>中興大學<br>材料工程學系所<br>95<br>Previously in our laboratory bioceramic composite coatings have been successfully developed to improve the bioactivity and the bonding strength between Ti alloy and bone tissue. However,the further improving of the initial cell proliferation was worthwhile. Due to the excellent biocompatibility and biodegradability ,collagen was further deposited on post bioceramics coated Ti alloy in order to improve the osteointegration on post bioceramics coated Ti alloy in this study. Through XRD , FTIR ,SEM/EDS ,ICP , electrochemical polarization tests ,immersion tests ,cel

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Kesarwani, Virendra Kumar. "Alkali treatment of Ti6Al4V alloy and it’s effect on bio-activity." Thesis, 2013. http://ethesis.nitrkl.ac.in/4656/1/211BM1210.pdf.

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The purpose of this work was to investigate the bone-like apatite inducement ability of alkali and heat treated Ti-6Al-4V alloy in the HANK solution, with variation of concentration of NaOH solution and heat treatment temperature. The characterization techniques such as Scanning electron microscopy (SEM), X-ray diffraction (XRD), were selected for the evaluation of chemical composition, morphological and crystallinity properties of alkali and subsequent heat treated Ti-6Al-4V alloy. From the XRD analysis it was found that the hydroxyapatite inducement ability increased with the increments of t

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Ming-CheHsieh and 謝明哲. "The Effects of Biomimetic Surface Modification of Medical Ti6Al4V Alloy on Cytocompatibility." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/61047127587886703193.

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Peng, Zhao-Xiang, and 彭兆翔. "Modification of surface of Ti6Al4V alloy with Collagen Nanofiber for Culture of Osteoblast." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/6r5p55.

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碩士<br>國立臺北科技大學<br>生化與生醫工程研究所<br>102<br>Since titanium alloy has good biocompatibility, it is widely used in fracture fixation, dental implant, artificial joints, artificial bones, teeth straightening, vascular stents and other clinical applications. In this study, we successfully fabricated three kinds of collagen-coated Ti6Al4V (Ti64) surface -the high-collagen fiber density (COL-H) surface, the low-collagen fiber density (COL-L) surface, and the aligned high-collagen fiber density (COL-A) surface. EDX results showed that high fiber density surfaces had about 1% metal exposed on the surface w

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YAO, CHUN-TA, and 姚君達. "The study of tribological Ti6Al4V alloy used high temperature nitride and sputtering of CN coating." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/4uf33m.

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碩士<br>建國科技大學<br>自動化工程系暨機電光系統研究所<br>106<br>CN coating were deposited on untreated Ti6Al4V alloy and high temperature nitride Ti6Al4V alloy by closed field unbalanced Magnetron Sputtering system. Therefore, six type of specimens, Ti6Al4V(Ti), nitride Ti6Al4V(NTi), nitride and polish Ti6Al4V(NTis), CN deposition former specimens (CN-Ti, CN-NTi, CN-NTis). The characterization of the CN film behavior was studied by means of mechanical, nanoindenter and scratch tester. Wear experiments were performed by using rotary and reciprocating wear tester in 0.9% NaCl solution, and use 316L and Si3N4 ball. In

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Lin, Chun Fu, and 林俊甫. "The Improvement of Electrolytic Deposition of ZrO2 Thin Film on the Performance of the Ti6Al4V Alloy." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/92246446282535805336.

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碩士<br>國立中興大學<br>材料工程學研究所<br>85<br>In this research, Ti-6Al-4V alloy was selected as the subtract and electrolyticically deposited with ZrO2 in an aqueous solution of zirconyl nitrate (ZrO(NO3)2). By controlling the electrochemical parameters such as concentration, potential, and time, the effect of these parameters on the thin film was investigated. From the Potentiostat spectroscopy, scanning electron microscopy(SEM), X-ray diffractometer(XRD), optical microscopy (OM), and scratch test, th

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Llanos, Princess Stephanie. "Characterization of industrial made TiAlN, TiAlCN and TiAlN/TiAlCN coatings used for machining of Ti6Al4V aerospace alloy." Master's thesis, 2021. http://hdl.handle.net/10316/95529.

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Dissertação de Mestrado Conjunto Europeu em Tribologia de Superficies e Interfaces apresentada à Faculdade de Ciências e Tecnologia<br>A investigação e desenvolvimento de ligas de titânio tem vindo a ser alvo de estudo durante as últimas décadas devido às suas superiors propriedades físicas, químicas e mecânicas quando comparado com outros ligas. No entanto, o fabrico de components em ligas de titânio é mais caro e requer mais tempo de processamento em comparação com outros metais devido à sua grande dificuldade de maquinar. Uma das principais soluções atualmente usadas para melhorar a maquina

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Shu-WeiZhang and 張書瑋. "The study of tribological property, electrochemical behavior and biocompatibility of gas- nitrided and deposited Ti-C:H on Ti6Al4V alloy." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/fhjn64.

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碩士<br>國立成功大學<br>機械工程學系<br>102<br>Ti-C:H were deposited on untreated Ti6Al4V alloy and high temperature nitride Ti6Al4V alloy by Closed Field Unbalanced Magnetron Sputtering (CFUMBS). Therefore, four type of specimens, Ti6Al4V, nitride Ti6Al4V(N- Ti6Al4V), T-C:H deposition on former specimens (T-C:H/Ti6Al4V, T-C:H/ N-Ti6Al4V). The characterization of the Ti-C:H film behavior was studied by means of XRD, SEM, scratch tester, nanoindenter. To simulate human body environment, wear experiments were performed by using Schwingung Reibungund Verschliss(SRV) wear tester in 0.64% NaCl solution. Corrosio

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施昱州. "The Research of Process Parameters on the HA/ZrO2 Bioceramic Film Oon Ti6Al4V alloy by using Electrochemical Deposition Method." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/58334527992336349027.

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碩士<br>國立中興大學<br>材料工程學研究所<br>92<br>In order to improve the adhesion and corrosion resistance of HA on implant Ti6Al4V alloys, by electrolytic deposition of HA/ZrO2 double layers coatings on implant Ti6Al4V alloys. The alloys were subjected to electrolytic deposition in a ZrO(NO3)2 aqueous solution and subsequently in a mixed aqueous solution of Ca(NO3)2‧4H2O and Nh4H2PO4 to form the Zr(OH)4 interface layer and hydroxyapatite layer, respectively. Then the substrate was subjected to a low-temperature sintering process and transformed into a HA/ZrO2 composite coating.The samp

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Vinjamuri, Raviteja. "Roles of Uniaxial, Shear and Cyclic Loading on the Microstructure and Texture Evolution during Plastic Deformation of Ti6Al4V Alloy." Thesis, 2022. http://ethesis.nitrkl.ac.in/10420/1/2022_PhD_RVinjamuri_516MM1010_Roles.pdf.

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The objective of the present research was to investigate the effects of uniaxial, shear, and cyclic loading on the microstructure and texture evolution of Ti6Al4V (Ti64) alloy during plastic deformation. Ti64 alloy samples were subjected to both uniaxial tension and compression in the temperature range of 298 873 K for different degrees of deformation. During uniaxial tension, refinement of both and grains was observed during deformation at all temperatures. This has been attributed to the continuous dynamic recovery and recrystallization (CDRR) mechanism. A Burgers orientation relations

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Mendes, Nelson Francisco. "Maquinação da liga de titânio Ti6A14V." Master's thesis, 2014. http://hdl.handle.net/10316/38831.

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Dissertação de Mestrado Integrado em Engenharia Mecânica apresentada à Faculdade de Ciências e Tecnologia da Universidade de Coimbra.<br>As ligas de titânio têm inúmeras aplicações na indústria aeroespacial, aeronáutica, petroquímica e médica. Contudo, a maquinação destas ligas apresenta diversas dificuldades relacionadas com as suas propriedades físicas, em particular no fabrico de paredes finas. Este estudo analisa a influência da geometria de ferramentas na precisão dimensional e acabamento superficial de peças fresadas na liga de titânio Ti6A14V, neste caso peças de paredes finas. Para o

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Yun-TingHsieh and 謝昀庭. "The study of tribological property, electrochemical behavior and biocompatibility of plasma nitrided and deposited TiN on AISI 316L stainless steel and Ti6Al4V alloy." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/55485763845454754425.

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