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Vacuum Heat Treat and Molybdenum Wire Sintering Furnace for Vacuum Sintering

Vacuum Furnace

Vacuum Heat Treat and Molybdenum Wire Sintering Furnace for Vacuum Sintering

Item Number : KT-VMW

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Introduction

A vacuum molybdenum wire sintering furnace is a vertical or bedroom structure, which is suitable for withdrawal, brazing, sintering and degassing of metal materials under high vacuum and high temperature conditions. It is also suitable for dehydroxylation treatment of quartz materials. The equipment consists of furnace cover (door), bottom (head), furnace body and electric control system.It is mainly used for sintering, annealing and welding of some special high temperature materials.

Detals & Part

Vacuum molybdenum wire sintering furnace details

Applications

  • Hard alloy sintering: Vacuum sintering of hard alloys, such as tungsten carbide, titanium carbide, and tantalum carbide
  • Ceramic materials sintering: Sintering of ceramic materials, such as alumina, zirconia, and silicon carbide
  • Carbon fiber graphitization: Graphitization of carbon fibers for use in high-performance composites
  • Carbon and carbon composites sintering: Sintering of carbon and carbon composites for use in aerospace, automotive, and other industries
  • Silicon carbide products sintering: Sintering of silicon carbide products for use in high-temperature applications
  • Photoelectric coating materials sintering: Sintering of photoelectric coating materials for use in solar cells and other optoelectronic devices
  • Refractory metals sintering: Sintering of refractory metals, such as tungsten, molybdenum, and tantalum, for use in high-temperature applications
  • Alloy materials sintering: Sintering of alloy materials, such as nickel-based alloys, cobalt-based alloys, and titanium alloys, for use in aerospace, medical, and other industries
  • Vacuum units sintering: Sintering of vacuum units for use in electronics, aerospace, and other industries
  • Electrical components sintering: Sintering of electrical components, such as contacts, terminals, and connectors, for use in electronics, automotive, and other industries
  • Heating room materials sintering: Sintering of heating room materials, such as molybdenum foils, for use in high-temperature applications
  • Dehydroxylation treatment of quartz materials: Dehydroxylation of quartz materials for use in electronics, optics, and other industries

Features

  • High-temperature capabilities: These furnaces can reach temperatures of up to 1700°C, making them ideal for sintering metal materials, quartz materials, and other high-temperature applications.
  • Vacuum environment: The vacuum environment prevents oxidation and contamination of the materials being processed, resulting in high-quality products.
  • Uniform heating: The molybdenum wire heating element provides uniform heating throughout the furnace chamber, ensuring consistent results.
  • Energy efficiency: The use of molybdenum wire as the heating element makes these furnaces energy-efficient, reducing operating costs.
  • Long service life: Molybdenum wire heating elements have a long service life, minimizing maintenance and replacement costs.
  • Versatility: Vacuum molybdenum wire sintering furnaces can be used for a wide range of applications, including sintering, brazing, degassing, and annealing.

Principle

Vacuum molybdenum wire sintering furnace adopts a vertical or bedroom structure, suitable for withdrawal, brazing, sintering, and degassing of metal materials under high vacuum and high temperature conditions. It is also suitable for dehydroxylation treatment of quartz materials. The furnace body is made of stainless steel or carbon steel, and the heating element is molybdenum wire. Under the protection of H2 gas, it can perform high-temperature sintering of tungsten and molybdenum products. The equipment consists of a furnace cover (door), bottom (head), furnace body, and electric control system. It is mainly used for sintering, annealing, and welding of special high-temperature materials.

Advantages

  • Vacuum environment reduces contamination: Vacuum sintering eliminates the presence of harmful substances like water, oxygen, nitrogen, and other impurities that can contaminate materials. This prevents adverse reactions such as decarburization, carburization, reduction, oxidation, and nitriding.

  • High vacuum pressure: The vacuum pressure can reach 1.3*10^-1 Pascal, which corresponds to 99.99987% argon purity. This ultra-high vacuum environment ensures minimal contamination and optimal sintering conditions.

  • Suitable for various materials: Vacuum molybdenum wire sintering furnaces can be used for a wide range of metal materials, including molybdenum, tungsten, and quartz. This versatility makes them ideal for various applications in industries such as electronics, aerospace, and metallurgy.

  • Precise temperature control: The furnace's advanced temperature control system allows for precise adjustment and maintenance of sintering temperatures, ensuring consistent and high-quality results.

  • Efficient and energy-saving: The vacuum environment and molybdenum wire heating elements contribute to efficient energy utilization, reducing operating costs and environmental impact.

Technical specification

Temperature 1600℃
Working area size Ф60×80 mm, Ф160×160 mm, Ф200×200 mm, Ф300×400 mm, Ф400×500 mm, etc.
Cold ultimate vacuum degree: 10-3 or 10-4Pa
Pressure rise rate ≤3Pa/h
Power supply Three-phase 380 V 50 Hz
Furnace temperature uniformity ±5 ℃ (under vacuum)
Loading and unloading methods Upper or side or bottom
Automatic charging and discharging gas protection Argon, nitrogen, hydrogen.
Control method LCD touch screen and PLC as the core

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 Is A Vacuum Induction Furnace And How Does It Work?

A vacuum induction furnace is a device that melts metal through electromagnetic induction heating. In a vacuum environment, electromagnetic induction heating generates eddy currents in metal through induction coils, heating the metal above its melting point. The absence of oxygen and other gases in the vacuum prevents the metal from reacting with these gases, ensuring the quality and purity of high-temperature alloys.

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 Are The Main Applications Of Vacuum Induction Furnaces?

Vacuum induction furnaces are widely used in the aerospace, missile, rocket, atomic energy, and electronics industries. They are essential for producing high-quality alloys and special steels, such as nickel-based, cobalt-based, and iron-based high-temperature alloys. These furnaces are also used for casting aircraft components, complex valves for harsh conditions, refining high-purity metals and alloys, and producing electrodes for remelting.

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 Are The Advantages Of Using A Vacuum Induction Furnace?

The advantages of using a vacuum induction furnace include: 1) No air or slag pollution, ensuring environmental benefits and producing relatively pure, high-performance alloys. 2) The vacuum environment allows for effective degassing, resulting in lower gas content in the melted steel and alloys. 3) Metals are not easily oxidized in a vacuum. 4) Impurities such as Pb and Bi can evaporate in the vacuum state, purifying the material. Additionally, the strong induction stirring effect ensures uniformity in temperature and chemical composition.

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.

What Types Of Materials Can Be Processed In A Vacuum Induction Furnace?

Vacuum induction furnaces can process a variety of materials including stainless steel, heat-resistant steel, ultra-high-strength steel, tool steel, bearing steel, magnetic materials, elastic alloys, and expansion alloys. These materials are melted in the furnace to ensure their properties and quality, making it suitable for high-performance applications in various industries.

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.

How Does The Vacuum Environment In A Vacuum Induction Furnace Improve Material Properties?

The vacuum environment in a vacuum induction furnace prevents the metal from reacting with gases such as oxygen and nitrogen, which can degrade material properties. It also allows for the removal of low melting point volatile metal impurities through evaporation, enhancing the purity and performance of the materials. Additionally, the vacuum conditions facilitate precise control over the chemical composition of the alloy, including elements with strong affinity for oxygen and nitrogen.

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.
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4.7

out of

5

The vacuum molybdenum wire sintering furnace arrived speedily and in perfect condition. I'm very impressed with its quality and durability.

Annika

4.8

out of

5

The furnace is a fantastic investment for our lab. It delivers exceptional results, ensuring the integrity of our samples.

Hiroki

4.9

out of

5

I highly recommend this furnace. Its advanced technology and precise temperature control have significantly enhanced our research capabilities.

Anya

4.6

out of

5

The equipment's energy efficiency and long service life have reduced our operating costs while maintaining exceptional performance.

Ethan

4.7

out of

5

The vacuum environment is impeccable, minimizing contamination and producing high-quality sintered materials.

Isabella

4.8

out of

5

The versatility of this furnace is remarkable. It seamlessly handles various materials, broadening our research scope.

Lucas

4.9

out of

5

The precise temperature control and uniform heating ensure consistent and reliable sintering results, making our research more accurate.

Mia

4.6

out of

5

The technical specifications are impressive, providing the necessary parameters for our demanding applications.

Oliver

4.7

out of

5

The customer service is exceptional, promptly addressing any inquiries and providing valuable support throughout our experience.

Harper

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