Environmentally friendly titanium carbide powder
Titanium carbide powder can be mixed with other carbide powders (such as tungsten carbide and vanadium carbide) to form multi-component composite powders and customize materials with different properties. For instance, after adding 10% tungsten carbide powder, the flexural strength of the sintered body can be increased by 15%, making it suitable for manufacturing parts that bear impact loads. There are various methods for preparing powders, including carbothermal reduction and vapor deposition. Among them, the powder produced by carbothermal reduction has a relatively low cost and is suitable for large-scale application. In the mold industry, molds made of multi-component composite powders are not only wear-resistant but also impact-resistant, and have a wider range of applications. Titanium carbide powder has high sintering activity and can be sintered densely at 1300-1500℃, which is 200-300℃ lower than the sintering temperature of alumina ceramics, thus saving energy costs. Compared with other ceramic powders (such as silicon carbide), it has better toughness, with a fracture toughness of up to 6MPa·m¹/², making it suitable for manufacturing structural ceramic parts. The powder can be made into granular form through spray drying, which is convenient for forming and processing. The density of the compact can reach more than 65% of the theoretical density. In the field of wear-resistant valves, ceramic valves made from this powder can withstand the erosion of high-pressure fluids and have a service life 20 times that of steel valves.
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