What can be brazed in a high vacuum brazing electric furnace?

10-31-2025       Author: KJ technology

High vacuum brazing electric furnace is suitable for brazing various materials, mainly including the following categories:

1. Metal materials

Aluminum and aluminum alloys

Widely used in aerospace, automotive industry and other fields, such as aircraft structural components, engine parts, automotive radiators, etc.

Typical brazing material: eutectic aluminum silicon brazing material (excellent wetting, flowability, and corrosion resistance).

Copper and copper alloys

Used for electronic devices, heat exchangers, power equipment, etc., such as circuit board connectors, air conditioning condensers.

Typical brazing materials: copper based brazing materials (with good conductivity and thermal conductivity), silver based brazing materials (with high wettability and strength).

Nickel and nickel based alloys

Suitable for high temperature or corrosive environments, such as aircraft engine blades and gas turbine components.

Typical brazing material: Nickel based brazing material (high temperature resistance, corrosion resistance).

Titanium and titanium alloys

Used in aerospace and medical fields, such as aircraft frames and artificial joints.

Typical brazing material: titanium based brazing material (anti-oxidation, corrosion-resistant).

Stainless steel and high-temperature alloys

Suitable for chemical equipment and nuclear energy industry, such as reactors and pipeline connections.

Typical brazing materials: nickel based, copper based brazing materials (high temperature strength).

Refractory metals (tungsten, molybdenum, tantalum, niobium)

Used for high-temperature electronic devices, aerospace, such as rocket nozzles, electrode materials.

Typical brazing materials: active metal brazing materials (such as titanium based and zirconium based).

2. Non metallic materials

ceramics

Suitable for electronic packaging, aerospace, such as ceramic substrates, sensor housings.

Typical brazing materials: active metal brazing materials (such as Ag Cu Ti).

graphite

Used for high-temperature industrial furnaces and semiconductor equipment, such as graphite heaters and crucibles.

Typical brazing materials: nickel based and titanium based brazing materials.

Glass and Diamond

Suitable for optical device and tool manufacturing, such as laser windows and diamond tools.

Typical brazing materials: gold based brazing materials (Au Ni, Au Sn).

3. Composite materials and heterogeneous materials

Metal ceramic composite materials

Used in aerospace and electronic devices, such as ceramic metallization packaging and thermal barrier coatings.

Typical brazing materials: active metal brazing materials (such as Ti Zr Cu Ni).

Metal metal composite materials

Suitable for connecting dissimilar materials, such as aluminum steel and copper stainless steel joints.

Typical brazing materials: silver based and copper based brazing materials (requiring intermediate layers or special processes).

4. Special application scenarios

aerospace

Engine single crystal alloy blades (transition liquid phase diffusion welding), honeycomb structure sealing ring, fuel manifold.

electronics industry

Heat treatment under high vacuum or protective atmosphere, such as microwave devices and sensor brackets.

medical device

Artificial joints and endoscope components (requiring biocompatible solder).

energy sector

Nuclear fuel cladding, solar panels (corrosion-resistant, high-temperature solder).