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Vacuum Brazing Services

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Vacuum brazing services consist of metal joining processes used to permanently join metal parts.  The vacuum brazing services process involves the use of a filler metal that is melted under vacuum and drawn in to the joint by capillary action.  The base metal does not melt during the vacuum brazing process.  Properly designed braze joints can have strength greater than or equal to the base metal.  No flux is used in this process, resulting in ultra-clean parts.

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Distortion is also greatly reduced by the uniform heating and cooling of the assembly.  If you have ever welded stainless steel, you are aware of the problems associated with uneven heating.  Dissimilar material can also be joined by brazing.  Gas atmospheres can be used to enhance the vacuum brazing process. Nitrogen or argon not only prevent alloy evaporation, but also protect the part assembly from oxides and discoloration.

Solar can braze single parts as well as thousands in a single batch.  Testing services include flow, vacuum leak, and an ultrasonic C-scan.  Assemblies can be certified to AMS, AWS and Mil specifications. Consultation services are available to help you design your part for successfulvacuum brazing services.

  • Clean, bright assemblies
  • Leak tight, high strength joint area
  • Simultaneous vacuum brazing of multiple joints
  • Uniform heating and cooling for consistent metallurgy
  • No heat affected zone (HAZ)
  • Reliable and repeatable
  • Furnace batch process for one or a thousand assemblies
  • Fluxless brazing – no post braze cleaning
  • Simple or complex assemblies with varied component types

Solar Advantages

  • Design consultation with our sales engineers
  • Large furnaces for larger assembles or multiple assemblies (up to 36 feet long)
  • Joining numerous ferrous and non-ferrous metals
  • Over 25 years experience

Vacuum Brazing Services Applications

  • Tube assemblies
  • Fuel nozzles
  • Valves
  • Medical devices
  • Heat sinks
  • Heat exchangers
  • Food processing equipment
  • Scientific equipment
  • Honeycomb

 Materials Processed by Vacuum Brazing Services

  • Stainless steel
  • Titanium
  • Stellite
  • Molybdenum
  • Carbon steel
  • Carbide
  • Metalized ceramic
  • Copper
  • Graphite
  • Ceramic
  • Tantalum

 Filler Metals for Vacuum Brazing Services

  • Nickel alloys
  • Silver alloys
  • Pure metals
  • Copper alloys
  • Gold alloys
  • Precious metals
  • Silver alloys