Refractory metal materials with a high melting point and special properties have been developed as high – tech materials. Due to the high melting point and high-temperature strength, the smelting process of these materials is very difficult, and most refractory alloys are manufactured by powder metallurgy. With the requirements for forming complex structures of refractory […]
Powder Metallurgy Process (Video) Powder metallurgy is a process for preparing metal powders and using metal (or metal and non-metal mixture) powder as raw materials to form parts and products by molding and sintering. A brief overview of the powder metallurgy manufacturing process showing the different stages that a component part can go through from […]
Tungsten is a chemical element with the chemical symbol W and atomic number 74. After Carbon, Tungsten has the highest melting point of all elements. Tungsten is among the heaviest metals found on Earth. It has excellent high-temperature mechanical properties, with the lowest expansion coefficient and highest conductivity of all metals, which has been widely […]
A tungsten crucible is one of the products of the tungsten metal. As the melting point of tungsten is as high as 3410℃, the tungsten crucible can be divided into spinning, stamping, forging and sintering according to different manufacturing processes. Spinning tungsten crucible Spinning tungsten crucible refers to the tungsten crucible produced by spinning forming. […]
The quality parameters of tungsten powder are powder size and purity. Although the essence of the growth of tungsten particles is the volatile deposition during the reduction process, there are many influencing factors, including raw materials, hydrogen flow rate and technological conditions. Raw material In the preparation of ultrafine tungsten powder, the selection of powder […]
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