What materials can be burned in a lifting bell jar furnace?

The lifting bell jar furnace can sinter various materials due to its high temperature performance, temperature uniformity, and controllable atmosphere environment, including:

1. Ceramic materials
Advanced Ceramics
Alumina ceramics: Used for electronic ceramic substrates and high-temperature resistant structural components, high-density sintering is achieved through a bell jar furnace to improve mechanical strength and insulation properties.
Zirconia ceramics: applied to bioceramics (such as dental implants), wear-resistant coatings, bell jar furnaces to control zirconia phase transformation, and optimize fracture toughness.
Nitride ceramics (such as silicon nitride): used for high-temperature bearings, cutting tools, and sintering in bell furnaces under nitrogen or argon protection to prevent oxidation.
Functional ceramics
Piezoelectric ceramics (such as PZT): used for sensors, transducers, and precise control of sintering temperature curves in bell furnaces to optimize piezoelectric properties.
Magnetic ceramics (such as ferrite): used in inductors, transformers, and bell furnaces for sintering in vacuum or inert atmosphere to reduce impurity doping.

2. Metal materials
superalloy
Nickel based alloy: used for solid solution treatment of aircraft engine turbine blades and bell jar furnaces in vacuum or hydrogen atmosphere to relieve stress and improve creep resistance.
Titanium alloy: used in aerospace structural components, annealed in a bell jar furnace under argon protection to prevent oxidation and optimize the microstructure.
Precision brazing
Micro electronic components: The bell jar furnace achieves small gap welding in an inert atmosphere (such as sensor packaging) to avoid oxidation pollution.
Heterogeneous metal connection: such as brazing copper and stainless steel, controlling the atmosphere composition in a bell jar furnace to prevent the formation of intermetallic compounds.

3. Powder metallurgy materials
cemented carbide
Tungsten cobalt alloy: used for cutting tools, molds, and sintering in a vacuum or hydrogen atmosphere in a bell jar furnace to promote liquid phase flow and increase density.
Metal ceramics (such as TiC based): applied to wear-resistant parts, controlled carbon content in bell jar furnaces, and optimized hardness and toughness balance.
magnetic alloy
Neodymium iron boron permanent magnets: used for motors, speakers, and bell furnaces sintered under argon protection to reduce oxidation and enhance magnetic energy accumulation.
Soft magnetic alloys (such as Pomo alloys): applied to transformer cores, bell jar furnaces to control annealing temperature, optimize magnetic permeability and coercivity.

4. Electronics and New Energy Materials
semiconductor device
Silicon based materials: The bell jar furnace is annealed in a hydrogen or nitrogen atmosphere to eliminate wafer stress and improve electrical performance.
Compound semiconductors (such as GaN, SiC): used for high-frequency devices, controlling the atmosphere composition in a bell jar furnace to prevent impurity doping.
Lithium Ion Battery Materials
Positive electrode materials (such as NCM, LFP): Sintering in an oxygen atmosphere in a bell jar furnace optimizes the crystal structure and increases energy density.
Negative electrode material (such as silicon carbon composite): The bell jar furnace controls the carbonization temperature to prevent silicon particle agglomeration and improve cycling stability.

5. Glass and Optical Materials
High purity glass
Quartz glass: used for melting optical fibers, lasers, and bell jars in vacuum or argon gas to reduce bubbles and impurities.
Optical glass: such as calcium fluoride crystals, controlled by a bell jar furnace to reduce cooling rate and optimize the uniformity of transmittance and refractive index.
Transparent ceramics
Aluminum oxide transparent ceramics: used for high-pressure sodium lamps, infrared windows, and bell jar furnaces sintered in a hydrogen atmosphere to reduce porosity and increase transparency.

6. Special materials and composite materials
Active metal
Zirconium and hafnium: Used for nuclear reactor structural components, bell jar furnaces are treated in vacuum or argon to prevent oxidation and hydrogenation.
Beryllium: Used in aerospace lightweight structures, the bell jar furnace controls the purity of the atmosphere and reduces the generation of toxic beryllium oxide.
Metal matrix composite
Aluminum based silicon carbide: used for electronic packaging heat sinks, sintered in a nitrogen atmosphere in a bell jar furnace to promote uniform distribution of silicon carbide particles.
Titanium based composite materials: applied to aviation engine blades, bell jar furnace control interface reactions, and improving high-temperature strength.