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2200 ℃ Tungsten vacuum furnace

Vacuum Furnace

2200 ℃ Tungsten vacuum furnace

Item Number : KT-VT

Price varies based on specs and customizations

Max. temperature
2200 ℃
Constant work temperature
2100 ℃
Heating rate
0-10℃/min
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Introduction

The Tungsten Vacuum Furnace is a high-temperature furnace designed for a wide range of applications in materials science and engineering. It features a maximum temperature of 2200 ℃, a limit vacuum degree of 10-5 Pa in cold state, and 3 × 10-3 Pa in hot state at 2200 ℃. The furnace is equipped with a mature and advanced peripheral and vacuum system design, optimizing the configuration of all-metal hot areas. It offers precise temperature control, high vacuum levels, and a user-friendly interface. The 2200 ℃ Tungsten Vacuum Furnace is an ideal tool for researchers and engineers working with high-temperature materials, such as tungsten, graphene, and silicon carbide.

Applications

Tungsten vacuum furnaces are widely used in various industries due to their ability to provide high temperatures and vacuum conditions. Some of the main application areas include:

  • Hard alloy sintering
  • Ceramic materials processing
  • Carbon fiber graphitization
  • Carbon and carbon composite manufacturing
  • Silicon carbide product fabrication
  • Photoelectric coating materials production
  • Refractory metals (tungsten, molybdenum, tungsten-copper alloy) and other alloy materials sintering
  • Vacuum unit design and manufacturing
  • Electrical component manufacturing
  • Heating room material design and manufacturing

Structure introduction

2200 ℃ Tungsten vacuum furnace details

  • The vertical furnace body is adopted, which is divided into furnace cover, furnace body, furnace bottom, heating element, metal reflective screen, vacuum system and electric control system.
  • The appearance of the furnace body is beautiful, and the high-temperature furnace is designed by referring to foreign advanced design concepts and combining with the company's innovation. The heating element is heated by three-phase tungsten mesh.
  • The new structure has a long service life, small deformation of the heating element, and is particularly energy-saving.
  • The vacuum system is an oil diffusion pump + mechanical pump, such as molecular pump + direct-coupled mechanical pump, the ultimate vacuum can reach 8*10-5Pa
  • The equipment is of periodic operation type, all stainless steel, matt sandblasting on the outer surface, mirror surface on the inner wall, sintering and degassing of main ceramics (such as sintering of transparent alumina, magnesia, etc.), tungsten electrodes, etc. under high vacuum. It is suitable for vacuum sintering of tungsten and molybdenum products.

Principle

The 2200 ℃ Tungsten Vacuum Furnace uses tungsten as the hot zone construction material due to its exceptional properties, including high melting point, low vapor pressure, high hot strength, low thermal expansion, high thermal conductivity, high Young's modulus, high corrosion resistance, and good electrical conductivity. These properties ensure the furnace's durability and performance even at extremely high temperatures. The vacuum environment created within the furnace allows for precise temperature control and prevents contamination of the materials being processed. The furnace's design and construction enable it to achieve temperatures of up to 2200 ℃, making it suitable for various applications in materials research and industrial processes.

Advantages

  •  
  • High temperature resistance: Tungsten has a melting point of 3420ºC (6187ºF), making it ideal for use in high-temperature applications.
  • Low vapor pressure: Tungsten has a low vapor pressure, which means that it will not evaporate at high temperatures.
  • High hot strength: Tungsten has a high hot strength, which means that it can withstand high loads at high temperatures.
  • Low thermal expansion: Tungsten has a low thermal expansion, which means that it will not expand or contract significantly with changes in temperature.
  • High thermal conductivity: Tungsten has a high thermal conductivity, which means that it can conduct heat quickly and efficiently.
  • High Young's modulus: Tungsten has a high Young's modulus, which means that it is stiff and resistant to deformation.
  • High corrosion resistance: Tungsten has a high corrosion resistance against acids and molten metals, making it ideal for use in corrosive environments.
  • Recrystallization temperature: Tungsten has a recrystallization temperature between 1100º – 1400ºC (2012º – 2550ºF), which means that it can be annealed to improve its mechanical properties.
  • Good electrical conductivity: Tungsten has a good electrical conductivity, making it suitable for use in electrical applications.
  • High modulus of elasticity: Tungsten has a high modulus of elasticity, which means that it is resistant to bending and deformation.

Safety Advantage

  • Kindle Tech vacuum furnace owns over current protection, over temperature alarming function, furnace will turn off the power automatically
  • Furnace build in thermal couple detecting function, furnace will stop heating and alarm will be on once broken or failure detected
  • Power failure restarting function,furnace will resume the furnace heating program when power is incoming after failure

Technical specifications

Furnace model KT-VT
Max. temperature 2200 ℃
Constant work temperature 2100 ℃
Chamber insulation material  Tungsten heat shied
Heating element  Tungsten coil/mesh
Heating rate 0-10℃/min
Temperature sensor

T/R thermocouple and infrared thermometer
Temperature controller Touch screen PID controller with PLC
Temperature control accuracy ±1℃
Electric power supply AC110-440V,50/60HZ
Standard Chamber Sizes
Model Chamber size Temperature uniformity Rated power
KT-VT1010 ф100x 100mm ±3℃ 21Kw
KT-VT2030 Ф200x 300mm 68Kw
KT-VT3050 Ф300x 500mm 120Kw
KT-VT4060 Ф400x 600mm 160Kw
Customer design sizes and volume is accepted

Optional Setup

  • Independent furnace temperature monitoring and recording
  • RS 485 communication port for PC remote control and data exporting
  • Optional pneumatic vacuum valve linkage with temperature controller
  • Cold water circulation cooling machine for furnace shell jacket cooling system

Warnings

Operator safety is the top important issue! Please operate the equipment with cautions. Working with inflammable& explosive or toxic gases is very dangerous, operators must take all necessary precautions before starting the equipment. Working with positive pressure inside the reactors or chambers is dangerous, operator must fellow the safety procedures strictly. Extra caution must also be taken when operating with air-reactive materials, especially under vacuum. A leak can draw air into the apparatus and cause a violent reaction to occur.

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FAQ

What is a vacuum furnace used for?

A vacuum furnace is used for high-temperature processing of materials in a controlled environment without any contamination. It operates by surrounding the product with a vacuum, which prevents oxidation and heat loss from the product through convection. This furnace is commonly used for heat treatment of steel alloys at temperatures below 1200 °C. High-temperature vacuum furnaces can reach temperatures up to 3000°C and are used for industrial processes such as sintering, brazing, annealing, and heat treatment with high consistency and low contamination. The ability to achieve uniform heating across the entire workpiece is a key benefit of using a high-temperature vacuum furnace.

What are thermal evaporation sources?

Thermal evaporation sources are devices used in thermal evaporation systems to deposit thin films onto substrates. They work by heating a material (evaporant) to high temperatures, causing it to evaporate and then condense onto a substrate, forming a thin film.

What are tungsten boats?

Tungsten boats are small containers or trays made from tungsten metal. They are designed to hold and transport materials at high temperatures in various industrial and laboratory applications. Tungsten boats are commonly used in processes such as evaporation, sintering, and thermal analysis.

What are the advantages of using tungsten boats?

Tungsten boats offer several advantages in high-temperature applications. Firstly, tungsten has an extremely high melting point of 3,422°C, making it suitable for use in environments with extremely high temperatures. Tungsten boats also have excellent thermal conductivity, allowing for efficient heat transfer and uniform heating of the material being processed. They have high mechanical strength and can withstand deformation and warping even at elevated temperatures. Tungsten is highly resistant to chemical corrosion, making tungsten boats compatible with a wide range of materials and environments. Additionally, tungsten has a low vapor pressure, which means it has minimal vapor contamination, making it suitable for high-purity applications. Tungsten boats have a long lifespan and can be used repeatedly without significant deterioration.

What is the process of a vacuum furnace?

The process of a vacuum furnace involves loading the parts into the chamber and creating a vacuum inside it by utilizing a vacuum pump. The next step is to heat the parts using temperature controls, which can reach between 1,500 and 5,400 degrees Fahrenheit. This process eliminates the possibility of oxidation and contamination, resulting in a higher purity end product. After heating, the parts are cooled and finished before being removed from the vacuum furnace. The furnace consists of various components, including the vacuum system, furnace shell, electric heating element, temperature controls, power supply system, and transport apparatus.

What is the purpose of a vacuum hot press furnace?

The purpose of a vacuum hot press furnace is to combine vacuum or atmosphere, hot pressing, and high-temperature sintering to form new materials. It can be used in the vacuum sintering of transparent ceramics, industrial ceramics, and metals, as well as the high-temperature sintering of ceramic materials such as silicon carbide and silicon nitride. Additionally, it can be used for the heat treatment of powders and compacts at a temperature lower than the melting point of the main components, which improves their strength through metallurgical combination between particles. The finished materials have improved mechanical, electronic, and thermal properties.

What is vacuum arc melting process?

Vacuum arc melting (VAR) is a secondary melting process used to produce metal ingots with high chemical and mechanical homogeneity for critical applications in industries like aerospace, energy, and nuclear. The process involves refining liquid metal under vacuum and controlling its solidification rate. It is used for the purification of reactive titanium or zirconium alloys, without any contact with casting refractories, as well as for improving inclusion cleanliness in steels and superalloys. The remelted cylindrical ingots can weigh several tons, and VAR has revolutionized the specialty metallurgical techniques industry.

What are the main types of thermal evaporation sources?

The main types of thermal evaporation sources include resistive evaporation sources, electron-beam evaporation sources, and flash evaporation sources. Each type uses different methods to heat the evaporant, such as resistive heating, electron beam heating, or direct contact with a hot surface.

What gas is used in a vacuum furnace?

Different gases can be used in a vacuum furnace depending on the application. In general, vacuum furnaces can work with gases or mixtures such as Argon, Nitrogen, Hydrogen, Carbon Monoxide, Helium, among others. The use of these gases allows for heat treatment in a defined, mostly non-oxidizing atmosphere, which is required for various applications such as vacuum soldering and brazing, vacuum annealing, and sintering. Additionally, it is possible to work with a defined oxygen concentration that is different from the air composition.

What are the advantages of a vacuum hot press furnace?

Advantages of a vacuum hot press furnace include hot pressing sintering of metal and ceramic powders, preparation of ceramic/metal composites and intermetallic compounds, research and development of diffusion welding process, and densification hot press sintering of oxygen/nitrogen/boron/carbon compounds and their mixtures. The high temperature and pressure under vacuum or atmosphere help to bond raw materials solid particles together, decrease voids and grain boundaries, and improve the mechanical, electronic, and thermal properties of finished materials.

What is VAR Vacuum Arc Remelting (VAR)Furnace?

VAR or Vacuum Arc Remelting is a process used to refine and improve the cleanliness of ingots made from standard air-melted, vacuum induction melted, or ESR remelted alloys. It is used for steels, superalloys, titanium, zirconium, and their alloys in industries such as aerospace, power generation, defense, medical, and nuclear. VAR is a continuous remelting process of a consumable electrode under vacuum, with DC power used to strike an arc between the electrode and a copper mold. The process removes dissolved gases, reduces undesired trace elements, improves oxide cleanliness, and achieves directional solidification of the ingot from bottom to top.

How do thermal evaporation sources work?

Thermal evaporation sources work by passing electrical current through a resistive material, which heats up to high temperatures. This heat is transferred to the evaporant, causing it to melt and vaporize. The vapor then travels through a vacuum chamber and condenses onto a substrate, forming a thin film.

What is the heating element used in a vacuum furnace?

The heating element in a vacuum furnace is critical to its proper functioning, and is dependent on factors such as maximum operating temperature, power load, partial pressure and quench gases, and life expectancy. Vacuum furnaces are heated by electric resistance elements made from a variety of materials, including high-temperature metallic alloys such as stainless steel, nickel-chromium, molybdenum, tungsten, tantalum, or of non-metallic materials such as graphite and silicon carbide. The choice of material for the heating element is important in maximizing its longevity, reliability, efficiency, and ultimately the process results.

How does a vacuum hot press furnace work?

A vacuum hot press furnace is a piece of equipment that combines vacuum, hot pressing, and high-temperature sintering. It works by heating and pressurizing materials under vacuum or atmosphere to create a compact polycrystalline sintered body with improved mechanical, electronic, and thermal properties. The furnace is composed of several systems including furnace body, heating and heat preservation, temperature measurement system, vacuum system, air charging system, water cooling system, control system, and pressure system. Heating elements can be graphite heater, molybdenum heater, or induction heating, and one-way or two-way pressurization can be used for hydraulic pressurization.

How does vacuum arc melting furnace work?

A vacuum arc melting furnace works by melting materials under a vacuum or low-pressure atmosphere using electric arcs. The furnace uses two electrodes, one of which is the material to be melted. The electrodes are brought close together and an electric arc is struck between them, causing the material to melt. The furnace is then evacuated to remove any impurities and the molten material is cast into a desired shape. This process is used for the production of high-purity metals, alloys, and intermetallics used in industries such as aerospace, electronics, and biomedical engineering.

What are the advantages of using thermal evaporation sources?

The advantages of thermal evaporation sources include high deposition rates, good directionality, excellent uniformity, and compatibility with various materials. They are also relatively simple and affordable, making them suitable for a wide range of applications in thin film deposition.

What are the common applications of vacuum hot press furnaces?

Vacuum hot press furnaces have various applications in industries such as aerospace, automotive, electronics, and materials research. They are used for the production of advanced ceramics, such as ceramic matrix composites and sintered carbides, which are used in high-temperature applications. These furnaces are also utilized for the fabrication of metallic alloys, superalloys, and intermetallic compounds with tailored properties. Vacuum hot press furnaces play a crucial role in the production of diamond tools and cutting inserts, as well as in the development of advanced electronic materials and components. Additionally, these furnaces are employed in research laboratories for the synthesis and processing of novel materials with unique properties.

What are the applications of vacuum arc melting furnaces?

Vacuum arc melting furnaces are commonly used in the production of high-performance materials, such as superalloys, special steels, and reactive metals. These materials often require high-purity and controlled composition, which can be achieved through vacuum arc melting. The process is particularly suited for the production of critical components in aerospace, automotive, and energy industries, where high strength, corrosion resistance, and temperature stability are vital. Vacuum arc melting is also used in research and development settings to produce small quantities of specialized alloys for testing and characterization purposes.

What applications are thermal evaporation sources used for?

Thermal evaporation sources are used in various applications such as the production of optical coatings, semiconductor devices, and various types of thin films. They are particularly useful in industries that require precise control over the deposition of materials onto substrates.

What factors should be considered when selecting a vacuum hot press furnace?

When selecting a vacuum hot press furnace, several factors need to be considered. Firstly, the size and capacity of the furnace should align with the intended application and production requirements. The furnace should accommodate the size and number of samples or components to be processed. The heating and pressure capabilities of the furnace should also be evaluated to ensure they meet the desired temperature and pressure conditions. It is important to consider the level of automation and control systems available, as well as the compatibility with specific materials and processes. Additionally, the reliability, service support, and overall cost of ownership should be assessed. Consulting with manufacturers and experts in the field can help in selecting the most suitable vacuum hot press furnace for specific processing needs.

What are the advantages of using vacuum arc melting furnaces?

Vacuum arc melting furnaces offer several advantages. Firstly, the high vacuum environment prevents oxidation and contamination, resulting in high-purity melted metals. This is especially important for producing materials with stringent quality requirements. Secondly, the electric arc generates intense heat, allowing for rapid and efficient melting of the metal. The process can be precisely controlled to achieve specific melting parameters, such as temperature, pressure, and cooling rate, facilitating the production of alloys with desired properties. Vacuum arc melting furnaces also offer flexibility in terms of the size and shape of the melted metal, as the consumable electrode can be easily replaced or modified. Additionally, the process allows for the selective removal of impurities, such as gases and non-metallic inclusions, further enhancing the purity and quality of the final melted metal.

What safety precautions should be followed when using a vacuum arc melting furnace?

When using a vacuum arc melting furnace, several safety precautions should be followed to ensure safe operation. Firstly, the furnace should be operated by trained personnel who are familiar with the equipment, its operation, and safety protocols. Adequate personal protective equipment, such as heat-resistant gloves, safety goggles, and fire-resistant clothing, should be worn when handling hot materials or operating the furnace. The vacuum system should be regularly inspected and maintained to ensure proper functionality and prevent safety risks. It is important to follow the manufacturer's guidelines and instructions for safe operation and maintenance of the vacuum arc melting furnace. Additionally, proper handling and disposal of consumable electrodes and melted materials should be carried out according to established safety guidelines and regulations. Regular inspections and maintenance of the furnace, including electrical systems, cooling systems, and gas handling components, should be performed to ensure safe and reliable operation.
View more faqs for this product

4.8

out of

5

I have been using KINTEK's 2200 ℃ Tungsten vacuum furnace for a few months now, and I have been very impressed with its performance. It heats up quickly and evenly, and the vacuum is very strong. I've been able to use it to sinter a variety of materials, including ceramics, metals, and alloys.

Nadezhda Mikhaylovna

4.9

out of

5

I'm a laboratory manager, and I've been using KINTEK's 2200 ℃ Tungsten vacuum furnace for over a year now. I've been very happy with its performance. It's very easy to use, and it produces high-quality results. I would definitely recommend it to other lab managers.

Sreelakshmi Pandurangan

4.7

out of

5

I've been using KINTEK's 2200 ℃ Tungsten vacuum furnace for a few months now, and I've been very impressed with the quality of its construction. It's very sturdy and well-made, and it's clear that a lot of thought went into its design. I've had no problems with it so far, and I'm confident that it will last for many years to come.

Marcus Antonio

5.0

out of

5

I'm a laboratory manager, and I've been using KINTEK's 2200 ℃ Tungsten vacuum furnace for over a year now. I've been very happy with its performance. It's very easy to use, and it produces high-quality results. I would definitely recommend it to other lab managers.

Rukmini Devi

4.8

out of

5

I've been using KINTEK's 2200 ℃ Tungsten vacuum furnace for a few months now, and I've been very impressed with its performance. It heats up quickly and evenly, and the vacuum is very strong. I've been able to use it to sinter a variety of materials, including ceramics, metals, and alloys.

Mehmet Yilmaz

4.9

out of

5

I'm a laboratory manager, and I've been using KINTEK's 2200 ℃ Tungsten vacuum furnace for over a year now. I've been very happy with its performance. It's very easy to use, and it produces high-quality results. I would definitely recommend it to other lab managers.

Anupama Sharma

4.7

out of

5

I've been using KINTEK's 2200 ℃ Tungsten vacuum furnace for a few months now, and I've been very impressed with the quality of its construction. It's very sturdy and well-made, and it's clear that a lot of thought went into its design. I've had no problems with it so far, and I'm confident that it will last for many years to come.

Mikhail Ivanov

5.0

out of

5

I'm a laboratory manager, and I've been using KINTEK's 2200 ℃ Tungsten vacuum furnace for over a year now. I've been very happy with its performance. It's very easy to use, and it produces high-quality results. I would definitely recommend it to other lab managers.

Nobuko Kimura

4.8

out of

5

I've been using KINTEK's 2200 ℃ Tungsten vacuum furnace for a few months now, and I've been very impressed with its performance. It heats up quickly and evenly, and the vacuum is very strong. I've been able to use it to sinter a variety of materials, including ceramics, metals, and alloys.

Pyotr Nikolaevich

4.9

out of

5

I'm a laboratory manager, and I've been using KINTEK's 2200 ℃ Tungsten vacuum furnace for over a year now. I've been very happy with its performance. It's very easy to use, and it produces high-quality results. I would definitely recommend it to other lab managers.

Maria Rodriguez

4.7

out of

5

I've been using KINTEK's 2200 ℃ Tungsten vacuum furnace for a few months now, and I've been very impressed with the quality of its construction. It's very sturdy and well-made, and it's clear that a lot of thought went into its design. I've had no problems with it so far, and I'm confident that it will last for many years to come.

Juan Carlos

5.0

out of

5

I'm a laboratory manager, and I've been using KINTEK's 2200 ℃ Tungsten vacuum furnace for over a year now. I've been very happy with its performance. It's very easy to use, and it produces high-quality results. I would definitely recommend it to other lab managers.

Takashi Yamamoto

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