Relevant bibliographies by topics / Ti–TiB2 powder

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Ti–TiB2 powder'

Author: Grafiati
Published: 4 June 2021
Last updated: 14 February 2022

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Journal articles on the topic "Ti–TiB2 powder"

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Hou, Jiabin, Lin Gao, Guorong Cui, Wenzhen Chen, Wencong Zhang, and Wenguang Tian. "Grain Refinement of Ti-15Mo-3Al-2.7Nb-0.2Si Alloy with the Rotation of TiB Whiskers by Powder Metallurgy and Canned Hot Extrusion." Metals 10, no. 1 (2020): 126. http://dx.doi.org/10.3390/met10010126.

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In situ synthesized TiB whiskers (TiBw) reinforced Ti-15Mo-3Al-2.7Nb-0.2Si alloys were successfully manufactured by pre-sintering and canned hot extrusion via adding TiB2 powders. During pre-sintering, most TiB2 were reacted with Ti atoms to produce TiB. During extrusion, the continuous dynamic recrystallization (CDRX) of β grains was promoted with the rotation of TiBw, and CDRXed grains were strongly inhibited by TiBw with hindering dislocation motion. Eventually, the grain sizes of composites decreased obviously. Furthermore, the stress transmitted from the matrix to TiBw for strengthening i
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Silva, Gilbert, Erika Coaglia Trindade Ramos, and Alfeu Saraiva Ramos. "Effect of Milling Parameters on the TiB and TiB2 Formation in Ti-50at%B and Ti-66at%B Powders." Materials Science Forum 591-593 (August 2008): 135–40. http://dx.doi.org/10.4028/www.scientific.net/msf.591-593.135.

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This work discusses on the effect of milling parameters on the TiB and TiB2 formation in Ti-50at%B and Ti-66at%B powders, respectively. Both powder mixtures were processed in a planetary ball Fritsch P-5 ball mill under Ar atmosphere, varying the milling parameters: rotary speed (150 and 200 rpm), size of balls (10 and 19mm diameter) and ball-to-powder weight ratio (2:1 and 10:1). In order to obtain the equilibrium structures the milled powders were heated at 1200oC for 1h. Samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), and thermal analysis (DSC). XR
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Zhao, Jin Nan, Jing Liang, Sui Yuan Chen, Chang Sheng Liu, and Feng Hua Liu. "Microstructure and Wear Properties of Laser Synthesized Composite Coatings on Ti-6Al-4V." Applied Mechanics and Materials 217-219 (November 2012): 1354–58. http://dx.doi.org/10.4028/www.scientific.net/amm.217-219.1354.

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Ti-6Al-4V, C and TiB2 powders (71.5%Ti-6Al-4V+ 26.2%TiB2+2.3%C in wt. %) were prepasted and then laser clad on Ti-6Al-4V substrates. Laser cladding was carried out with a Nd:YAG pulse laser with the parameters of defocus length 15mm, pulse frequency 15Hz, scanning speed 2-4mm/s, electric current 200-240A. Microstructure and phases were analyzed with the Optical Microscopy(OM), Scanning Electron Microscopy(SEM) and X-Ray Diffraction(XRD). Laser cladding layers with smooth surfaces, good metallurgical bonding with no cracks and pores were formed. The average thickness of the coatings is approxim
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Luo, Ping, Shi Jie Dong, Zhi Xiong Xie, Wei Yang, and An Zhuo Yangli. "In Situ Synthesis of TiC-TiB2 Composites via High Energy Ball Milling and Pressureless Sintering." Applied Mechanics and Materials 401-403 (September 2013): 635–38. http://dx.doi.org/10.4028/www.scientific.net/amm.401-403.635.

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TiC-TiB2 composite ceramics were successfully fabricated via planetary ball milling of 72 mass% Ti and 28 mass % B4C powders, followed by low temperature sintering process at 1200°C. The microstructure of the ball-milled powder mixtures and composite ceramics were characterized by Differential thermal analysis equipment (DTA), field emission scanning electron microscopy (FESEM) and X-ray diffraction (XRD). The results showed that the ball-milled powder mixtures (Ti and B4C powders) were completely transformed to TiC-TiB2 composite ceramics as the powders were milled for 60 h and sintered at 12
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Stasic, J., and D. Bozic. "The effect of synthesis of the starting powders on the properties of Cu-Ti-TiB2 alloy obtained by laser melting." Science of Sintering 52, no. 1 (2020): 15–23. http://dx.doi.org/10.2298/sos2001015s.

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A comparison was made between layer-by-layer laser melting (LM) of two types of feedstock powders: (1) elemental powder blend and (2) mechanically alloyed powder. LM was done by Nd:YAG laser at 1064 nm (max. average power 100 W) in argon ambience. Samples synthesized were Cu-Ti-TiB2 rectangular tracks (20?6?1 mm), and input parameters of the process: powder layer thickness 100-250 ?m, hatch spacing 1 mm, pulse length 4 ms, energy 4 J, pulse repetition rate 20 Hz. Part of the samples was heat-treated in argon at 900 ?C, 10 h. Structural characterization of the samples was done using light micro
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Liang, Jing, Xiao Meng Tan, Cheng Jin Wang, Sui Yuan Chen, Chang Sheng Liu, and Jin Cheng Qin. "Microstructure on Laser In Situ Deposit of TiBx/TiC ReinforcedComposite Coatings." Materials Science Forum 849 (March 2016): 665–70. http://dx.doi.org/10.4028/www.scientific.net/msf.849.665.

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In situ synthesized TiBx/TiC reinforced composite coatings were prepared on Ti-6Al-4V substrate by laser in situ deposition using 10B4C-18TiNi-72Ti-6Al-4V (wt. %) powder blends as the feedstock materials. The microstructural analysis of the composites was performed using scanning electron microscope, and phase analysis was done with X-ray diffraction. The results showed that the composite coatings contained long needle TiB, irregular block TiB2 and disperse particles/dendrites TiC, the thick rod phase which was a inlay structure consisted of TiB2 and TiC. These composite reinforced phases were
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Kato, Shinji, Makoto Kobashi, and Naoyuki Kanetake. "Effects of Cu Powder Size on the Microstructure of TiB2/Cu Composites Fabricated by Reactive Infiltration Process." Materials Science Forum 654-656 (June 2010): 2724–27. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.2724.

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Recently, industrial technology for both improving thermal conductivity and controlling the coefficient of thermal expansion of heat sink materials has became an important issuebecause of the downsizing of electronic devices. We have been investigating the innovative processing method for TiB2 dispersed Cu matrix composite by reactive infiltration process in which the combustion reaction of elemental powders (Ti+2B+Cu → TiB2+Cu) and pressureless infiltration of molten Cu into porous reaction product (TiB2/Cu composite) are combined. By this process, fine TiB2particles (2~3µm) can be dispersed
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SAKAMOTO, Tadashi, Tadahiko WATANABE, and Kazuhisa SHOBU. "Vacuum Sintering of Ti(CN)-TiB2 Powder." Journal of the Ceramic Association, Japan 93, no. 1082 (1985): 666–67. http://dx.doi.org/10.2109/jcersj1950.93.1082_666.

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Matsuura, Kiyotaka, and Yuki Obara. "Combustion Synthesis of TiB2 Particle Dispersed Metal Matrix Composites." Materials Science Forum 539-543 (March 2007): 809–13. http://dx.doi.org/10.4028/www.scientific.net/msf.539-543.809.

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FeAl-TiB2 composites have been combustion synthesized from mixtures of Fe, Al, Ti and B powders. When the powder mixture was heated in vacuum to approximately 900 K, an abrupt increase in temperature was observed, indicating that the combustion synthesis reactions occurred in the powder mixture. X-ray diffraction analyses revealed that the combustion-synthesized sample consisted of only FeAl and TiB2. Metallographic investigations using a scanning electron microscope revealed that fine TiB2 particles were dispersed in FeAl matrix phase. As the volume fraction of the TiB2 particles increased fr
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Kwon, Dae Hwan, Thuy Dang Nguyen, Dina V. Dudina, et al. "Thermal Stability and Properties of Cu-TiB2 Nanocomposites Prepared by Combustion Synthesis and Spark-Plasma Sintering." Materials Science Forum 534-536 (January 2007): 1517–20. http://dx.doi.org/10.4028/www.scientific.net/msf.534-536.1517.

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In the present work, Cu-TiB2 nanocomposite powders were synthesized by combining high-energy ball-milling of Cu-Ti-B mixtures and subsequent self-propagating high temperature synthesis (SHS). Cu-40wt.%TiB2 powders were produced by SHS reaction and ball-milled. The milled SHS powder was mixed with Cu powders by ball milling to produce Cu-2.5wt.%TiB2 composites. TiB2 particles less than 250nm were formed in the copper matrix after SHS-reaction. The releative density, electrical conductivity and hardness of specimens sintered at 650-750°C were nearly 98%, 83%IACS and 71HRB, respectively. After he
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Dissertations / Theses on the topic "Ti–TiB2 powder"

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Attar, H., M. Bönisch, M. Calin, et al. "Comparative study of microstructures and mechanical properties of in situ Ti–TiB composites produced by selective laser melting, powder metallurgy, and casting technologies." Cambridge University Press, 2014. https://tud.qucosa.de/id/qucosa%3A39023.

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This study presents results of selective laser melting (SLM), powder metallurgy (PM), and casting technologies applied for producing Ti–TiB composites from Ti–TiB₂ powder. Diffraction patterns and microstructural investigations reveal that chemical reaction occurred between Ti and TiB₂ during all the three processes, leading to the formation of Ti–TiB composites. The ultimate compressive strength of SLM-processed and cast samples are 1421 and 1434 MPa, respectively, whereas the ultimate compressive strengths of PM-processed 25%, 29%, and 36% porous samples are 510, 414, and 310 MPa, respective
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Solný, Tomáš. "Příprava a aplikace fotokatalyticky aktivního oxidu titaničitého." Doctoral thesis, Vysoké učení technické v Brně. Fakulta chemická, 2016. http://www.nusl.cz/ntk/nusl-256553.

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V práci je zkoumán vliv podmínek na průběh hydrolýzy alkoxidů titanu a vlastností připravovaných nanočástic oxidu titaničitého s důrazem na teplotu a množství vody přítomné v systému. Připravované hydrolyzáty alkoxidů titanu a nanočástice oxidu titaničitého připravené z hydrolyzátů jsou studovány metodami XRD, DTA – TGA, SEM – EDS, BET a PCCS. Nanočástice magnetitu byly syntetizovány pomocí precipitační reakce z roztoku Mohrovy soli a jejich krystalová struktura, velikost a povrchové vlastnosti byly sledovány s vyhodnocením vlivu teploty a při modifikaci povrchu polykarboxyletherovým superplas
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梁哲瑄. "Study on the Microstructure and Strengthening Mechanisms of TiB2 and Mo2C Powder Added to Ti-Ta-Ni Alloys by the Vacuum Sintering Process." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/jtb3ym.

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碩士<br>國立臺北科技大學<br>材料科學與工程研究所<br>107<br>Titanium alloys have outstanding corrosion resistance and high specific strength and are extensively used in the automotive industry, as well as the aerospace industry and others. In recent years, the powder metallurgy (P/M) techniques of titanium alloys have been investigated. This fabrication process can produce complex-shaped titanium alloy components to avoid material loss. Furthermore, the addition of Mo2C can improve the mechanical properties of titanium alloys by fine-grain strengthening and dispersion strengthening mechanisms. Meanwhile, the molyb
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Mushove, Tafadzwa. "Hydrometallurgical recovery of mechanochemically synthesized Ti-Mg alloy powder from milled Tio2-Mg powder mixture." Thesis, 2011. http://hdl.handle.net/10539/9748.

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Ti-Mg alloy has desirable mechanical and other properties but is difficult to form by conventional ingot metallurgy. This work reports the results of a hydrometallurgical investigation on the recovery of Ti-Mg alloy powder synthesized from mechanochemical processing (MCP) of TiO2 with Mg (15 wt.% beyond stoichiometric). The MCP synthesized alloy powder is intrinsically mixed with MgO and other oxides of Ti. The objective was thus to find a leachant that can leach out the by-products of the MCP process. Different inorganic and organic acid media, and their combinations, were used to try
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Chang, En-Chi, and 張恩旗. "Pulsed laser ablation/fragmentation efficiency and resultant change of Ti foil and TiO2 powder." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/54410800525823130659.

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Book chapters on the topic "Ti–TiB2 powder"

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Yoshimura, Masahiro, Hiroyuki Ohira, and Shigeyuki Sōmiya. "Formation of TiO2 and ZnO Powders by Hydrothermal Oxidation of Ti and Zn Metals." In Hydrothermal Reactions for Materials Science and Engineering. Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0743-0_17.

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Kamegawa, Shoji, Hiroshi Izui, Yoshiki Komiya, Keisuke Kobayashi, and Ryohei Arimoto. "Effect of Matrix and Reinforcement Powder Types on Tensile and Wear Properties of TiB/Ti and TiC/Ti Composites Prepared by SPS." In TMS2015 Supplemental Proceedings. John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119093466.ch26.

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Kamegawa, Shoji, Hiroshi Izui, Yoshiki Komiya, Keisuke Kobayashi, and Ryohei Arimoto. "Effect of Matrix and Reinforcement Powder Types on Tensile and Wear Properties of TiB/Ti and TiC/Ti Composites Prepared by SPS." In TMS 2015 144th Annual Meeting & Exhibition. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-48127-2_26.

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Geng, Lin, Guo Jian Cao, and Masaaki Naka. "Mechanical Alloying and Spark Plasma Sintering of Ni-Al-Ti-B Powders for Fabricating Nanocrystalline (TiB+TiB2)/Ni3(Al, Ti) Composite." In Materials Science Forum. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-980-6.195.

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Sampei, Yuko, Hiroshi Izui, Yoshiki Komiya, Hirotaka Shigimura, and Chihiro Suzuki. "Mechanical Properties of TiB-Reinforced Ti-6A1-4V Using Matrix Powders with Different Particle Sizes and Morphologies." In TMS2015 Supplemental Proceedings. John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119093466.ch28.

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Sampei, Yuko, Hiroshi Izui, Yoshiki Komiya, Hirotaka Shigimura, and Chihiro Suzuki. "Mechanical Properties of TiB-Reinforced Ti-6Al-4V Using Matrix Powders with Different Particle Sizes and Morphologies." In TMS 2015 144th Annual Meeting & Exhibition. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-48127-2_28.

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Yoshida, Wataru, Makoto Kobashi, and Naoyuki Kanetake. "Effect of Powder Blending Ratio on Synthesis of TiB2 Particles by Al-Ti-B Combustion Reaction." In Advanced Materials Research. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-463-4.325.

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Kosuge, Koji. "Non-Stoichiometric Compounds Derived From Extended Defects." In Chemistry of Non-stoichiometric Compounds. Oxford University Press, 1994. http://dx.doi.org/10.1093/oso/9780198555551.003.0005.

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The non-stoichiometric compounds that we describe in this chapter are closely correlated with the classical non-stoichiometric compounds derived from point defects discussed in Chapter 1. For the past twenty years precise structural analyses on complex binary and ternary compounds have been carried out using X-ray and neutron diffraction techniques. Moreover, owing to the striking development of the resolving power of the electron microscope crystal structures can be seen directly as structure images. As a result, it has been shown that most complex structures can be derived by introducing extended defects regularly into a mother structure. A typical example is a ‘shear structure’, which is derived by introducing planar defects of anion rows into the mother lattice. A ‘block structure’ is derived by introducing two groups of planar defects. ‘Vernier structures’, ‘micro-twin structures’, ‘intergrowth structures’, and ‘adaptive structures’ are also described in detail in this chapter. At the beginning of 1950, Professor A. Magnéli’s group in Sweden started a systematic study of the crystal structures of the oxides of transition metal elements such as Ti, V, Mo, and W, mainly by X-ray diffraction techniques. As a result, they confirmed the existence of the homologous compounds expressed by VnO2n–1; TinO2n–1 etc. (n = 2, 3, 4, . . .) and also predicted that the crystal structure of these compounds could be derived from a mother structure, ‘rutile’. Figure 2.1 shows the X-ray powder diffraction patterns (CuKα) of compounds TiOx between Ti2O3 (x = 1.5) and TiO2 (x = 2.0).3 This clearly indicates the convergence of the diffraction patterns to that of TiO2 (rutile) with increasing x, which is why the Magnéli school predicted the mother structure to be rutile. This prediction was verified by the structure determinations of Ti5O95 and VnO2n–1.6 These compounds are called Magnéli phases after the main investigator, and similar compounds have been discovered.
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Conference papers on the topic "Ti–TiB2 powder"

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Guan, Sujun, Liang Hao, Kohei Miyazawa, Yun Lu, Hiroyuki Yoshida, and Hiroshi Asanuma. "Enhanced Photocatalytic Activity of TiO2 Coatings by Heat Treatment in Carbon Powder." In ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/smasis2015-8988.

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The heat treatment in carbon powder is a safe and effective strategy to enhance the photocatalytic activity of titanium dioxide (TiO2) coatings. Firstly, Ti coatings were prepared by mechanical coating operation with Ti powder on alumina balls. Secondly, the target TiO2 coatings were prepared using the prepared Ti coatings by the multi-heat treatment (pretreatment in carbon powder, oxidation in air and reduction in carbon powder). During the pretreatment, thin films of Ti2CO and micro-cracks form in the surface of the Ti coatings. The formed thin films and micro-cracks are helpful for forming
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Aboul-Gheit, Ahmed K., Sawsan A. Mahmoud, and Yasser M. Moustafa. "Nanostructured Ti-Fe Thin Layered Photocatalyst via Sol-Gel Technique." In ASME 2008 2nd Multifunctional Nanocomposites and Nanomaterials International Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/mn2008-47033.

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The finding of of Zhu et al. [1] that iron-ion-doped TiO2 powders by hydrothermal hydrolysis and crystallization exhibited that the amount of doped iron ion significantly affected the phoyocatalytic degradation activity of XRG yellow dye and Fe optimum content could enhance photocatalytic activity under UV and visible light irradiation has encourage us to carry out this work. Hence, we prepared and examined the photocatalytic activities of a series of TiO2/Fe2O3 mixtures of thin layers of TiO2 and Fe2O3 using the sol-gel method and found that the TiO2(5)/Fe2O3(1) catalyst the most active for a
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Suzuki, M., S. Sodeoka, T. Inoue, and K. Ueno. "Basic Research for Reactive Plasma Spraying of TiO2." In ITSC 1998, edited by Christian Coddet. ASM International, 1998. http://dx.doi.org/10.31399/asm.cp.itsc1998p1443.

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Abstract Reactive Plasma Spraying (RPS) is one of several new plasma spray processes. Some findings have been published on this technology, hi these reports, only metal powders, such as Ti, Cr and Si, were used for the fabrication of coatings composed of metal and non-oxide ceramics. When an oxide powder is used for starting materials to fabricate metal or non-ceramic coating, it is important to understand the reduction process of the oxide during spraying as well as the reaction among the powder, plasma and atmospheric gas. In this study, the effects of amounts and kinds of plasma and chamber
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do Nascimento Filho, Elizeu, Vinicius Andre Rodrigues Henriques, Jose Luis de Oliveira, and Edevaldo Faria Diniz. "Microstructural Study of Ti-6Al-4V Produced with TiH2 Powder." In 21st SAE Brasil International Congress and Exhibition. SAE International, 2012. http://dx.doi.org/10.4271/2012-36-0197.

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Grimm, Maximilian, Rico Drehmann, Thomas Lampke, Susan Conze, and Lutz-Michael Berger. "Microstructure of Atmospheric Plasma Sprayed (Al,Cr)2O3-TiO2 Coatings from Blends." In ITSC2021, edited by F. Azarmi, X. Chen, J. Cizek, et al. ASM International, 2021. http://dx.doi.org/10.31399/asm.cp.itsc2021p0758.

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Abstract This study investigates the microstructure and hardness of coatings produced by atmospheric plasma spraying using a commercial (Al,Cr)2O3 solid solution (ss) powder blended with various amounts of TiO2. The microstructures were analyzed using SEM, EDS, and XRD measurements. It was shown that blending with TiO2 reduces porosity and defect density while increasing deposition efficiency and microhardness. Small amounts of Ti in ss (Al,Cr)2O3 splats were detected in coatings prepared from blends with higher TiO2 content. Variations in aluminum and chromium content were also observed.
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Li, Yunze, Dongzhe Zhang, and Weilong Cong. "Ultrasonic Vibration-Assisted Laser Directed Energy Deposition of B4C-Ti Composite: Effect of Laser Power and Ultrasonic Vibration." In ASME 2021 16th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/msec2021-60388.

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Abstract Compared with pure titanium, ceramic reinforced titanium matrix composites (TMCs) have the advantages of higher microhardness, higher wear resistance, and better load endurance properties, which enable their further applications under severe friction and cyclic loading conditions. B4C-Ti composite, as a kind of TMCs, has been fabricated by laser directed energy deposition (DED) technology. However, there are still some problems needed to be solved. First, the B4C particles are not fully melted. It suppresses the reactions between B4C and titanium and reduced the generation of TiB and
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Tawancy, H. M., та Luai M. Al-Hadhrami. "Influence of Titanium in Nickel-Base Superalloys on the Performance of Thermal Barrier Coatings Utilizing γ-γ′ Platinum Bond Coats". У ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-22030.

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Titanium is a key element in nickel-base superalloys needed with aluminum to achieve the desired volume fraction of the strengthening γ′-phase. However, depending upon its concentration, titanium can degrade the adherence of aluminum oxide by forming TiO2 particles near the oxidemetal interface. This effect is extended to thermal barrier coating systems where in this case, the bond coat replaces the superalloy as the underlying substrate. Noting that the onset of failure of thermal barrier coating systems coincides with the first spall of the thermally grown oxide, titanium level in the supera
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