Carbon with an onion-like structure obtained by chlorinating titanium carbide

Slow diffusion of methane in ultra-micropores of silicon carbide-derived carbon

“…The effective particle scale diffusivity D em is readily seen to be loading-independent based on the isotherm in eqn (13). The time dependent total uptake for this model is obtained as before using eqn (7).…”

Carbon Nanotube Synthesis via the Calciothermic Reduction of Carbon Dioxide with Iron Additives

“…The appearance of these carbon nanoparticles was very similar to onion-like carbons (OLCs) obtained by several synthetic techniques. 35,36 Figure 3c shows a TEM image of fibrous nanostructures obtained via electrolysis without iron additives, as described in Fig. 2a fibrous nanostructures measuring approximately 10 nm in width were observed on several thin sheet-like products.…”

Tribological Behavior of Carbide-derived Carbon Coating on SiC Polycrystal against SAE52100 Steel in Moderately Humid Air

“…CDC coating on top of carbides is found to be versatile as a solid lubricant in various environments, from dry air to high humid air [7,12] and is expected to find many related applications. It should be pointed out that the counterbody used in previous studies was silicon nitride [7][8][9][10][11][12], which is hard, chemically inert, and easily surface finished. Up to now, no attempt has been made to investigate the friction and wear of CDC coating sliding against steel which is widely used and is subject to chemical attack.…”

“…Tribology of carbon (graphite, diamond, diamond-like carbon, and fullerene) nowadays covers a wide range of topics: from additive for oil and grease, solid lubricant for composites, and, in the past decades to low-and super-low-friction carbon coatings [1][2][3][4][5]. Recently, carbide-derived carbon (CDC) has received attention due to its excellent tribological performance [6][7][8][9][10][11][12]. According to the definition, CDC is a pure carbon material produced by selective extraction of metal atoms from a carbide crystal lattice by halogens, supercritical water, oxygen at a low-partial pressure, other etchants, or in vacuum [6].…”