Powder metallurgy is an industrial technique for preparing metal powders or using metal powders (or mixtures of metal powders and non-metal powders) as raw materials, forming and sintering to obtain metal materials, composite materials, and various types of articles. At present, powder metallurgy technology has been widely used in transportation, machinery, electronics, aerospace, weapons, biology, new energy, information and nuclear industry, and has become one of the most dynamic branches of new materials science. Powder metallurgy technology has many advantages such as energy saving, material saving, excellent performance, high product precision and good stability, which is very suitable for mass production. In addition,
We can provide the most advanced powder metallurgy research equipment (including mixing, grinding, pressing, sintering, heat treatment, etc.). Founded in 2013, Zhengzhou Nuotai Technology Co., Ltd. is committed to providing process equipment and system solutions for scientific research. It currently focuses on providing process equipment and solutions for materials research. Now, customers in Europe, Southeast Asia, America, Australia, the Middle East and other countries and regions. Think about what you want, set your needs, and we will provide you with quality service.
Method for preparing powder metallurgy equipment
(1) Production of powder. The production process of the powder includes the steps of preparing the powder, mixing the powder, and the like. Plasticizers such as engine oil, rubber or paraffin are usually added to improve the moldability and plasticity of the powder .
(2) Press molding. The powder is pressed into a desired shape under a pressure of 15-600 MPa.
(3) Sintering. It is carried out in a high temperature furnace or a vacuum furnace which protects the atmosphere. Sintering differs from metal melting in that at least one element remains in the solid state during sintering. Physical and chemical processes, such as diffusion, recrystallization, fusion welding, compounding and dissolution, become metallurgical products with certain porosity.
(4) Post-processing. Generally, the sintered part can be used directly. However, for certain sizes, components requiring high precision and high hardness and wear resistance are post-sintered. Post-treatment includes stamping, rolling, extrusion, quenching, surface hardening, oil immersion and infiltration.
We have a variety of different powder metallurgical research equipment (to meet different heating requirements, we also accept customer design furnace research and development work, please send us an email with your specific requirements, we will recommend the most reasonable choice for you, thank you!