Powder metallurgy is a process technology for producing metal materials, composite materials, and various types of articles by forming metal powder or using metal powder (or a mixture of metal powder and non-metal powder) as a raw material, and forming and sintering. The powder metallurgy method has similarities with the production of ceramics, and all belong to the powder sintering technology. Therefore, a series of new powder metallurgy technologies can also be used for the preparation of ceramic materials. Due to the advantages of powder metallurgy technology, it has become the key to solving new material problems and plays a decisive role in the development of new materials.
Powder metallurgy includes milling and products. Among them, the milling is mainly a metallurgical process, which is literally consistent. Powder metallurgy products often go far beyond the scope of materials and metallurgy, often across multiple disciplines (materials and metallurgy, machinery and mechanics, etc.). Especially the modern metal powder 3D printing, which combines mechanical engineering, CAD, reverse engineering technology, layered manufacturing technology, numerical control technology, material science and laser technology, makes powder metallurgy product technology become a modern comprehensive technology spanning more disciplines.