Synthesis of Titanium Carbide by Means of Pressureless Sintering

Abstract

In this study, titanium carbide was obtained by low-temperature pressureless (at pressure less than 1 MPa) sintering of a mixture of elementary titanium and graphite powders in a hot-pressing plant with a preliminary mechanical treatment of the initial mixture. The sintering was carried out at temperatures of 900 and 1000 °C in argon media. As a result, cubic modification (Fm3m) of titanium carbide was obtained. The content of impurities was about 12–13 wt.%

Porous Transport Layers with TiC-Coated Microporous Layers for Proton Exchange Membrane Water Electrolysis

“…To determine the composition of the remaining products in the MPL after the vacuum high-temperature sintering of PTL-MPL1-S, a simple qualitative analysis with XRD was conducted, in combination with consulting the relevant literature. − For ease of comparison, commercial carbon powder (XC-72R) and PTL-R (pure titanium felt without MPL) were also analyzed by XRD. The results of XRD pattern analysis are shown in Figure , with labels indicating the component represented by each peak.…”

Metal (Mo, W, Ti) Carbide Catalysts: Synthesis and Application as Alternative Catalysts for Dry Reforming of Hydrocarbons—A Review

“…Other methods of TiC production, which require a high energy input, are carbothermal reduction of TiO 2 [84][85][86], the plasma method [87], synthesis from elements [88], the self-propagating high-temperature method [89], chemical vapor deposition [90], and the magnesiothermic method [91,92]. The simplest, relatively inexpensive, most common, and most commercially used method is carbothermal reduction.…”

“…However, this method is highly exothermic and therefore requires a low temperature. Additionally, synthesis from elements is characterized by high efficiency [88]. Therefore, as with tungsten carbide, the ball milling method, the precursor method, and molten salt synthesis are used to reduce the temperatures needed to synthesize TiC.…”

Synthesis of Ceramic Reinforcements in Metallic Matrices during Spark Plasma Sintering: Consideration of Reactant/Matrix Mutual Chemistry

“…Mechanical milling of powder mixtures can assist the SPS processing of metal-ceramic composites by facilitating mixing of the reactants, shortening the diffusion distances, generating new crystallite/grain boundaries, and refining the structure of the final product [18]. For example, in the binary Ti-C high-energy milled powder mixture of the stoichiometric composition, TiC with crystallites about 100 nm in size was obtained after heating the mixture up to 900-1000 • C and holding it for 30 min at the maximum temperature [19]. When TiC is synthesized in a mixture not subjected to high-energy milling, the size of TiC crystals is of the order of several micrometers [20].…”