Molybdenum Hot Zone

Introduction

Molybdenum Hot Zone refers to the high-temperature heating area made of molybdenum materials in high-temperature heat treatment or vacuum furnace and other thermal processing equipment. Molybdenum hot zone usually includes molybdenum heating elements, molybdenum heat shields, molybdenum brackets and other structural components made of molybdenum alloys. These components work together to effectively control the temperature distribution in the furnace, improve the uniformity and efficiency of heat treatment, and are widely used in aerospace, electronics, metal powder sintering, vacuum coating and other fields.

Advantages

Good high temperature performance
The molybdenum hot zone uses high-performance materials such as pure molybdenum, molybdenum-lanthanum alloy (MoLa) and molybdenum-titanium-zirconium alloy (TZM), which have excellent high temperature stability and creep resistance. In particular, pure molybdenum has a melting point of up to 2610℃, and can work stably for a long time at extremely high temperatures, ensuring the long-term reliability and excellent thermal conductivity of the equipment in high temperature environments.

High purity and density guarantee
The purity of this molybdenum hot zone product reaches Mo≥99.95%. This high purity ensures that the molybdenum material will not produce obvious oxidation or deterioration at high temperatures, greatly extending the service life of the product. In addition, the density of the molybdenum material is 10.2 g/cm³, which makes the molybdenum hot zone have good thermal stability and heat capacity.

Exquisite production technology
The manufacturing process of the molybdenum hot zone adopts a series of precision processes such as powder metallurgy, sintering, forging, rolling and machining. Through these advanced manufacturing technologies, we ensure that each molybdenum hot zone component can maintain excellent performance in a high temperature environment, meeting customers' strict requirements for high precision and high durability.

Strict surface treatment and standard certification
The surface treatment of molybdenum hot zone includes blackening, chemical cleaning, polishing, grinding and grinding, etc. These treatments can not only improve the durability and oxidation resistance of molybdenum materials, but also effectively improve the surface finish, reduce friction and wear of hot zone components, and extend service life. All products comply with international standards such as ASTM B386 and ASTM B387 to ensure that they meet the highest quality requirements of the industry.

1. Vacuum furnace field
Vacuum brazing furnace: Molybdenum foil furnace chamber and heating belt are suitable for brazing workpieces with silver, copper, nickel and other brazing materials in high vacuum and high temperature environments, and can also be used for sintering and heat treatment.

Vacuum induction melting furnace: Melt nickel-based steel, precision alloys, rare earth metals and magnetic materials under vacuum or protective atmosphere.

Vacuum hot pressing sintering furnace: Meet the dense sintering requirements of various materials under different atmospheres and temperature conditions.

2. Crystal growth field
Sapphire crystal growth furnace: Molybdenum thermal field has excellent thermal conductivity and mechanical stability, improves crystal quality and growth efficiency, and is suitable for a variety of crystal sizes.

Single crystal silicon growth (pulling method): By controlling the temperature gradient of silicon melt, high-quality growth of single crystal silicon rods is guaranteed, which is used in the semiconductor and photovoltaic industries.

3. High-temperature industrial field
Semiconductor processing: Molybdenum heat insulation screens and heat preservation screens ensure the thermal field stability of equipment and improve thermal efficiency.

Aerospace manufacturing: Used to manufacture high-temperature structural parts such as turbine blades and combustion chambers to meet extreme working conditions.

Special metal smelting: used as heating and insulation materials in the smelting of high-melting-point metals such as tungsten, tantalum, and niobium, providing a stable high-temperature environment and protecting equipment.

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