Horizontal vacuum sintering furnaceIt is a process testing instrument that achieves material sintering, purification, and heat treatment through high-temperature heating in a vacuum or protective atmosphere environment. It is widely used in fields such as metal rhenium, hard alloys, powder metallurgy, ceramics, and composite materials. Its core structure adopts a horizontal door opening design, which is convenient for loading and unloading materials, especially suitable for processing long or large workpieces. The equipment uses a vacuum pump to reduce the pressure inside the furnace to an extremely low level (some models can reach 6.7 × 10 ⁻ ³ Pa), and can also be filled with inert gases such as nitrogen and argon to form a protective atmosphere, effectively preventing materials from oxidizing or reacting with gases at high temperatures and ensuring product purity. Heating systems often use high-temperature resistant materials such as graphite and tungsten wire, combined with infrared thermometers or thermocouples to achieve precise temperature control (with an error of ± 1 ℃). The temperature range covers room temperature to 2200 ℃, meeting the sintering needs of different materials.
Horizontal vacuum sintering furnaceIts core application scope and specific scenarios:
1、 Hard alloy and metal ceramic field
Production of Hard Alloy Cutting Tools
Application scenarios: Manufacturing cutting tools (such as drill bits, milling cutters, turning tools), molds (such as stamping molds, stretching molds), and wear-resistant parts (such as mining tools, coal mining machine cutters).
Advantages: The vacuum environment can prevent oxidation, ensure uniform bonding between tungsten carbide (WC) and metal binders such as cobalt (Co), and improve tool hardness and wear resistance.
Sintering of metal ceramic composite materials
Application scenario: Preparation of TiC, TiN based metal ceramics (such as cutting tools, wear-resistant coatings) or Al ₂ O ∝ - TiC composite materials.
Advantages: Vacuum conditions can reduce porosity, improve material density and fracture toughness.
二、粉末冶金制品
High performance powder metallurgy parts
Application scenarios: Production of high-precision parts such as automotive gears, bearings, connecting rods, as well as high-temperature alloy parts for aerospace applications.
Advantages: Metallurgical bonding between powder particles is achieved through vacuum sintering, which improves the strength and fatigue life of parts.
Magnetic material sintering
Application scenarios: Manufacturing neodymium iron boron (NdFeB) permanent magnet materials, ferrite magnets, etc.
Advantages: The vacuum environment can prevent the oxidation of magnetic materials, ensure stable magnetic properties, and reduce the introduction of impurities.
3、 Ceramic materials field
Structural ceramic sintering
Application scenarios: Preparation of high-performance ceramics such as alumina (Al ₂ O ∝), silicon nitride (Si ∝ N ₄), silicon carbide (SiC), etc., for use in mechanical seals, bearings, turbine blades, etc.
Advantages: Vacuum sintering can reduce sintering temperature, suppress abnormal grain growth, and improve the fracture toughness and thermal shock resistance of ceramic materials.
Preparation of functional ceramics
Application scenarios: Production of piezoelectric ceramics (such as PZT), dielectric ceramics (such as barium titanate), and transparent ceramics (such as YAG laser crystals).
Advantages: The vacuum environment can prevent impurities from being added, ensuring that the electrical and optical properties of ceramics meet the standards.
4、 High temperature alloys and special materials
Aerospace high-temperature alloys
Application scenario: Sintering nickel based and cobalt based high-temperature alloys, used for components such as turbine disks and combustion chambers in aircraft engines.
Advantages: Vacuum environment can reduce the volatilization of alloy elements, ensure the uniformity of composition, and improve the high-temperature strength and oxidation resistance of materials.
Difficult to melt metal processing
Application scenarios: Sintering of refractory metals such as tungsten (W), molybdenum (Mo), tantalum (Ta) and their alloys, used for electrodes, heating elements, spacecraft thermal protection systems, etc.
Advantages: Vacuum sintering can reduce sintering temperature, avoid material oxidation, and improve density and conductivity.
5、 Composite Materials and Coating Technology
Metal Matrix Composite Materials (MMC)
Application scenario: Preparation of aluminum based and magnesium based composite materials (such as SiC particle reinforced aluminum based composite materials) for use in lightweight automotive components.
Advantages: Vacuum environment can promote interface bonding, improve the mechanical properties and corrosion resistance of composite materials.
Preparation of Thermal Barrier Coatings (TBC)
Application scenario: Deposition of yttria stabilized zirconia (YSZ) coating on the surface of high-temperature alloys for thermal protection of aircraft engine blades.
Advantages: Vacuum plasma spraying (VPS) technology can prepare dense coatings, improve thermal insulation effect and service life.
6、 New energy and semiconductor fields
Lithium ion battery materials
Application scenarios: Sintering positive electrode materials (such as lithium cobalt oxide, ternary materials) or negative electrode materials (such as silicon carbon composite materials).
Advantages: Vacuum environment can prevent material oxidation, improve battery capacity and cycling stability.
Semiconductor Device Packaging
Application scenario: Sintered ceramic packaging shell (such as HTCC/LTCC technology), used for high-power electronic devices.
Advantages: Vacuum sintering can achieve airtight packaging, protecting chips from moisture and contamination.
7、 Other special applications
Restoration and Protection of Cultural Relics
Application scenario: Deoxygenation and reinforcement treatment of metal cultural relics (such as bronze ware) to restore their mechanical properties and appearance.
Advantage: The vacuum environment can avoid introducing new impurities during the restoration process and maintain the authenticity of cultural relics.
Nuclear material processing
Application scenarios: Sintered nuclear fuel cladding materials (such as zirconium alloys) or solidified radioactive waste forms.
Advantages: Vacuum conditions can reduce gas release, improve material corrosion resistance and safety.