Titanium alloy high temperature ion nitriding furnace is used for high temperature ion nitriding treatment of titanium alloy equipment

※ Equipment Use

Titanium alloy high temperature ion nitriding furnace is used for high temperature ion nitriding treatment of titanium alloy equipment.

※ Working principle

• Gas ionization: In a vacuum environment, the furnace is filled with nitrogen containing gas, such as nitrogen. By applying DC voltage or pulse voltage between the furnace and the workpiece, the nitrogen-containing gas is ionized to form plasma and produce charged particles such as nitrogen ions and electrons.
• bombardment and heating: under the action of electric field, nitrogen ions are accelerated and bombarded at high speed on the surface of titanium alloy workpiece, and the kinetic energy of ions is converted into heat energy, so that the workpiece is rapidly heated to the nitriding temperature of 700-1100°C.
• nitriding reaction: nitrogen ions obtain electrons on the surface of the workpiece to reduce into nitrogen atoms, nitrogen atoms continue to penetrate the surface of titanium alloy, and internal diffusion, chemical reaction with titanium atoms to form titanium nitride and other compounds, forming a nitriding layer on the surface of titanium alloy.

※ Technical Features

• High temperature control precision: the high precision temperature control system can control the temperature in the furnace within the accuracy range of ±1℃ or even higher, to ensure that the titanium alloy is nitriding under a stable high temperature environment, to ensure the quality and performance uniformity of the nitriding layer.
• high vacuum: equipped with high performance vacuum system, the limit vacuum is usually up to 10⁻³Pa or even higher, to create a pure environment for ion nitriding, reduce the interference of impurity gas to the nitriding process.
• uniform ion bombardment: through reasonable design of furnace structure and electric field distribution, the ions are evenly distributed in the furnace, and the surface of the titanium alloy workpiece is uniformly bombarded, so as to obtain uniform nitride layer thickness and performance.
• Highly adjustable process parameters: according to different titanium alloy materials, workpiece shape and size and specific nitriding process requirements, precise adjustment of voltage, current, gas flow, temperature, time and other process parameters to achieve the best nitriding effect.

※ Composition and structure

• Furnace body: usually adopts double or multi-layer structure, the inner layer is high temperature and corrosion resistant stainless steel or ceramic material, used to withstand high temperature and ion bombardment; The outer layer is made of carbon steel and other materials to protect and support. The furnace body is provided with an observation window, a temperature measuring hole, an air inlet, an air outlet, etc.
• Vacuum system: composed of vacuum pump, vacuum pipe, vacuum valve and vacuum gauge, used to pump the furnace to the required vacuum degree.
• Power supply system: provides the required energy for ion nitriding, including DC power supply or pulse power supply, which can output stable high voltage and large current to produce enough ion bombardment energy.
• Gas supply system: including gas storage tank, gas flowmeter, regulating valve, etc., used to accurately control and adjust the flow rate and pressure of nitrogen-containing gas, to ensure the stability of gas composition and pressure in the furnace.
• Temperature control system: composed of thermocouple, temperature controller, etc. to monitor and control the temperature of the workpiece in real time to ensure that the temperature is within the set range.

Technical parameter