Forged molybdenum crucible refers to a molybdenum metal crucible made by forging process, which is mainly used for melting metals, rare elements or chemical reactions under high temperature conditions. It uses molybdenum (Mo) as the main material, has excellent high temperature performance and chemical stability, and is widely used in metallurgy, rare earth, glass, solar energy, electronics and aerospace.
- Definition and manufacturing process of forged molybdenum crucible
Forged molybdenum crucible is a high temperature resistant container made by repeatedly forging and extruding molybdenum rods or molybdenum billets at high temperatures, and then through turning, welding, heat treatment and other processes. Compared with the powder metallurgy forming method, the forging process can improve the density and strength of the crucible.
The manufacturing process mainly includes:
Molybdenum ingot preparation: high purity molybdenum powder is used as raw material to sinter into molybdenum ingot;
Hot forging: The molybdenum ingot is forged into a rough shape at high temperature;
Rough machining and heat treatment: remove the oxide layer and improve the density of the organization;
Finishing: Made into specified dimensions by machining (turning, drilling, etc.);
Inspection and cleaning: including non-destructive testing and surface cleaning to ensure quality.
- Characteristics of forged molybdenum crucible
High melting point: The melting point of molybdenum is 2623°C, which is suitable for extremely high temperature smelting;
Excellent thermal stability: not easy to deform even in vacuum or reducing atmosphere;
High strength and corrosion resistance: more resistant to mechanical stress and longer service life than powder sintered crucibles;
Good density: Forging improves the grain structure of the material, reduces porosity, and improves sealing;
Strong customizability: different sizes and thicknesses can be produced according to customer requirements.
- Application fields
Forged molybdenum crucibles are widely used in the following high temperature or special environments:
Industry Applications
Semiconductor industry: used for crystal growth, such as sapphire, silicon carbide ( SiC ) and other single crystal material growth equipment
Rare earth smelting : high temperature smelting of rare earth metals or alloys
Solar industry: used as reaction vessel in CVD and PVD coating
Glass industry : high temperature glass melting and color adjustment experiments
Aerospace : For laboratory research on high temperature alloys
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