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Showing 1 to 20 of 23 for “"Titanium Carbide"”.
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Electromigration and chemical diffusion in titanium carbide
… ionic charge and lattice diffusion of carbon in titanium carbide have been investigated through studies of diffusion under the influences of kan applied dc-electric field and of a chemical potential. The electron microprobe was used to measure the diffusion concentration profiles. …
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Investigation of titanium-carbide type hardfacing alloys, An
Includes bibliographical references.
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The binder phase in titanium carbide-nickel cermets
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Metallurgy, 1952.
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Radio frequency plasma synthesis of ultrafine titanium carbide powders
The work reported in this thesis was part of a larger project to evaluate the use thermal plasma processing to synthesise ultrafine TiCx, TiNy, and TiCxNy powders from locally available TiO2, natural gas and NH3. The objectives for the work reported in this thesis were to develop and test the …
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Microstructure and Microchemistry of Titanium-Carbide Coated Cemented Carbides
… microstructural analysis of TiC-coated cemented carbides has been performed using a variety of contemporary micro-analytical techniques: Auger Electron Spectroscopy, STEM X-ray microchemical analysis and electron energy loss spectroscopy. As most of the analytical technique
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Tribo-corrosion maps for steels, titanium and titanium carbide materials
… carried out on the tribo-corrosion behaviour of titanium carbide composite coatings produced by Tungsten Inert Gas (TIG) welding torch melting process on steel and titanium substrates. The integrity of TiC composite coatings were checked and analysed on the substrates. The effects of change in …
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Intragranular Tungsten-Titanium Carbide Composite Ceramics via Gas-Solid Displacement Reactions
<p>"Research presented herein details the synthesis and characterization of nanocomposite ceramics featuring novel heterogeneous microstructures of potential interest in a variety of electrical and structural applications. Specifically, W-TiCy composite ceramics featuring tungsten nanoprecipitates …
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Two-Dimensional Titanium Carbide MXene for Lithium-ion Conductive Solid-state Electrolytes
… (SPEs) incorporating two-dimensional (2D) titanium carbide (Ti3C2Tx) MXene as a nanofiller. 2D Ti3C2Tx MXene was synthesized using a mild etching approach involving low-toxicity acids, enabling a safer and more environmentally friendly alternative to traditional synthesis methods. The …
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Adhesion, Residual Stresses and Tribology of Rf Sputter Deposited Titanium Carbide Coatings
Mechanical properties of surface hard coatings depends strongly on both the adhesion of the coating to the substrate as well as the sign and magnitude of the residual stress in the coating. The residual stress in sputter deposited TiC films was found to be compressive and could be related to the …
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A Study of Amorphous Hydrogenated Titanium-Carbide Films: Structure, Stability, and Role of Hydrogen Doping
Amorphous hydrogenated titanium carbide films (a-TiC(,x):H(,y), 0.88 < x < 0.95 and 0.05 < y < 0.12) were successfully prepared by low-temperature (150-300(DEGREES)C) and low-pressure (<10('-5) torr) metallorganic chemical vapor deposition (MOCVD) of the organometallic compound …
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A study of amorphous hydrogenated titanium carbide films: Structure, stability, and role of hydrogen doping
Amorphous hydrogenated titanium carbide films (a-TiC :H , X y 0.88<x<0.95 and O.OS<y<0.12) were successfully prepared by low-temperature (150-300°C) and low-pressure (<10-S torr) metallorganic chemical vapor deposition (MOCVD) of the organometallic compound tetraneopentyl-titanium. X-ray and …
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SYNTHESIS, PROCESSING, AND CHARACTERIZATION OF TITANIUM CARBIDE AND TITANIUM DIBORIDE BASED MATERIALS FOR STRUCTURAL AND ELECTRONIC APPLICATION
… synthesis, processing, and characterization of titanium carbide (TiC) and titanium diboride (TiB2) based materials for structural and electronic application. A series of TiB2 and TiC-TiB2 powders was prepared through a novel carbon coated precursors method. Reaction process, phase evolution, and …
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High density bimodal parts by three dimensional printing
… this goal, the printing of fine, sub-micron Titanium Carbide slurries into a large powder bed to create a dense bimodal compact was investigated. Experiments performed demonstrated that a uniform, defect free microstructure could be obtained by appropriately selecting 3DP process parameters. …
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Mechanistic Studies of the Chemical Vapor Deposition of Ceramic and Metal Films From Organometallic Precursors
… of the thermolysis of tetra(neopentyl)titanium (TiNp$\sb4$) in solution have been carried out in parallel with studies of the chemical mechanism responsible for its conversion to titanium carbide under CVD conditions. A kinetic isotope effect $(k\sb{\rm\alpha (H)}/k\sb{\rm\alpha (D)} = …
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Analysis of sintered WC-TIC-6CO by using powder metallurgy process
… In this study, the material used was tungsten carbide with 6wt% cobalt (WC-6Co) and titanium carbide (TiC) as grain growth inhibitor while low density polyethylene (LDPE) and palm stearin (PS) were used as a binder system. The sample was prepared by milling process consisting of WC-6Co at …
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Numerical model to simulate the Ti(C,N) protection layer in the blast furnace hearth
… via burdening or tuyere injection increases the titanium content in the molten pig iron and is believed to promote the so-called titanium-rich scaffold on the hearth surface, to protect the hearth from subsequent erosion. However, control of the titanium-rich scaffold is challenging as furnace …
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The impact of coating architecture on the hardness, friction and wear resistance of hard and tribological nanocomposite coatings
… coatings presented in this thesis include carbides that form a solid solution (Ti-Hf-C) as well as carbides that form composite microstructures (WC-SiC, HfC-SiC). Hardness measurements on these films indicated the potential of transition metal carbide-silicon carbide composites to be …
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Materials for High Temperature Thin Film Thermocouple Applications
… and heat fluxes. In this study, thin films of titanium carbide and tantalum carbide as well as two families of conducting perovskite oxides viz., cobaltites and manganates (La(1-x)SrxCoO3, M(1-x)Cax MnO3 where, M=La,Y) were investigated for high temperature thin film thermocouple applications …
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Investigation on fabrication, interface formation, and properties of hot-processed titanium-doped copper/diamond composites
… particles or pre-alloying the copper matrix with carbide-forming elements (e.g., Ti, W, Zr, Cr, B) have been extensively explored. Among these, titanium has shown promise through the formation of a stable titanium carbide (TiC) layer, which significantly enhances interfacial bonding and composite …
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