Tungsten carbide (WC) has been widely applied as integral composition of hardmetal, or cemented carbide. Cemented carbides are composite materials consisting of a hard phase (WC) and a metal, usually Co, which binds the WC grains. The composition of the material (amount of Co) mostly influences their mechanical properties. The greater the Co content the tougher and softer the material is. Hardmetal is used for cutting, drilling and wear resistant pieces.

In recent years, ultrafine tungsten powders have gained attention owing to their excellent characteristics. They have been added to hard metals and alloys with superior hardness and wear resistance.

Tungsten copper is a material with high electricity conductivity, when using for resistance welding, the material is bonded with copper hand.

As the fossil fuels brings about global warming and climate change, find a substitute source of clean energy such as wind energy, hydrogen energy, and solar energy has become critical. Photoelectrochemical (PEC) water-splitting technology is one of the most considerable technologies to synthesis H₂ gas as a clean energy. Titanium dioxide (TiO₂) has caught a lot attention as an effectual photoelectrode in PEC water-splitting for H₂ production owing to its unique and promising functional properties, such as high photocatalytic activity, long term photo-stability, superior oxidation ability, inertness to chemical environment, as well as low cost.