Powders & Paste

Brazing alloys are manufactured in various forms to suit the unique needs of the desired application. From these available forms, engineers aim to select the most cost-effective method for delivering the filler metal to the braze joint; this is often done through braze paste. Brazing pastes have become a popular, cost-effective solution because of their manufacturability and versatility, joining even the most complex geometries of base parts.

Braze paste begins as a two-part system, a filler metal in powder form and a vehicle (binder). The brazing filler metal is converted to powder form by pouring the molten state of the alloyed metal through an atomization tower. The binder is a temporary means of delivering the brazing filler metal in powder form to the braze joint until the liquidus can flow into the joint by the capillary.

When to Use Braze Paste

  • Complex geometry of base parts
  • Manufacturing cost of a preform
  • Low production quantities and prototype work

Powders & Paste

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