Vacuum Heat Treat and Sintering Furnace with 9MPa Air Pressure

Introduction

The air pressure sintering furnace is a high-tech equipment commonly used for the sintering of advanced ceramic materials. It combines vacuum sintering and pressure sintering techniques to achieve high-density and high-strength ceramics. Key features of this furnace include:

• High Pressure Capability: Operates at pressures up to 9MPa, enabling effective densification of ceramic materials.
• Temperature Control: Precise temperature regulation up to 2200℃, ensuring accurate and uniform heating.
• Vacuum System: Achieves a cold vacuum degree of 10-3Pa, creating an oxygen-free environment for sintering.
• Atmosphere Control: Allows for the introduction of specific gases to control the sintering atmosphere.
• Versatile Structures: Available in vertical, horizontal, and bottom-up configurations, accommodating different sample sizes and shapes.

Details & Part

Applications

• Vacuum sintering and pressure sintering of SiC and Si3N4 ceramic parts
• Aerospace and automotive industries
• Medical and dental applications
• Research and development laboratories

Features

• Enhanced Temperature Uniformity: Equipped with multiple independent heaters and optimized power distribution, this furnace ensures consistent temperature throughout the high-pressure heating zone, promoting uniform sintering.
• Comprehensive Safety Protection: Advanced safety measures are incorporated, including automatic locking systems for door operations, temperature control, and pressure regulation. Emergency and power failure scenarios are addressed with pressure release valves, ensuring safe operation.
• Cooling System Monitoring: The cooling water system is meticulously monitored for pressure, temperature, and flow. Flow monitoring for each cooling water circuit safeguards against equipment damage due to water shortage failures.

Principle

The air pressure sintering furnace utilizes a combination of high temperature and pressure to densify ceramic materials. The furnace consists of a heating chamber, pressure vessel, gas supply system, and temperature control system. During operation, the furnace is heated to a predetermined temperature, and a high-pressure gas (typically nitrogen or argon) is introduced into the pressure vessel. The high pressure compresses the ceramic powder, promoting grain growth and densification. This process results in improved mechanical properties, such as increased strength and hardness, and reduced porosity. The furnace can be used for a variety of ceramic materials, including silicon carbide (SiC), silicon nitride (Si3N4), and zirconia (ZrO2).

Advantages

• High temperature uniformity: The air pressure sintering furnace adopts a unique heating element design, which ensures high temperature uniformity in the furnace chamber. This is important for achieving consistent sintering results.
• Fast heating and cooling rates: The air pressure sintering furnace has a high heating rate and cooling rate, which can significantly reduce the sintering time. This can save energy and improve productivity.
• Precise temperature control: Theair pressure sintering furnace has a precise temperature control system, which can accurately control the temperature in the furnace chamber. This is important for achieving the desired sintering results.
• Wide range of applications: The air pressure sintering furnace can be used for a wide range of materials, including metals, ceramics, and composites. This makes it a versatile tool for various applications.
• Easy to operate: The air pressure sintering furnace is easy to operate, with a user-friendly interface. This makes it accessible to users of all skill levels.

Technical specification

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