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Phosphorous Bronze Chemical Etching

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Phosphorous Bronze chemical etching 8-inch by 9-inch raw material sheetPhosphorous Bronze chemical etching is a process for complex electromechanical components in myriad industries.

Phosphorus Bronze is a tough alloy characterized by high strength, low coefficient of friction, and fine grain structure.

Formulations for this alloy, which is also called Phosphor Bronze, contain primarily Copper alloyed with 0.5 to 11% Tin and 0.01 to 0.35% Phosphorus. Tin increases corrosion resistance and strength, while Phosphorus improves wear resistance and stiffness.

Fotofab's chemical etching process produces designs that can withstand harsh indoor and outdoor environments. The process uses an acid (Ferric Chloride) to cut into unprotected parts of a metal surface to create a design or image formed to your project’s specifications.

Fotofab proudly services the US and International customers.

 

Characteristics of Phosphorous Bronze

  • Nonmagnetic
  • Superior fatigue resistance
  • Robust and high strength
  • A low coefficient of friction
  • Anti-wear properties
  • A fine grain structure

Phosphorous Bronze Etching Applications

Phosphorus Bronze is used to manufacture electromechanical components for myriad industries, including electronics, electrical, communications, automatic controllers and automobiles. By varying the levels of Tin and Phosphorus during formulation, this alloy exhibits unique levels of strength, corrosion resistance, stiffness and anti-wear characteristics. Common uses include:

  • Connectors
  • Lead frames
  • Lead terminals
  • Transistor terminals
  • Switch contacts
  • Rotary switch slides
  • Circuit breaker contacts
  • Fuse clips
  • Bearing frames
  • Hydraulic pressure caps
  • Packing
  • Bearings
  • Clutch plates
  • Cryogenics

Other Factors

  • An environmentally friendly alloy that does not contain harmful components deoxidized by Phosphorus
  • Phosphorous Bronze comes in a wide array of standard alloys, including non-ferrous spring alloys, free-machining alloys, Phosphor Bronze, and Bearing Bronze
  • Increasing the Phosphorous content leads to formation of a very hard compound Cu3P (Copper Phosphide), resulting in a brittle form of Phosphor Bronze, which has a narrow range of applications
  • The phosphorus reduces the viscosity of the molten alloy, which makes it easier and cleaner to cast and reduces grain boundaries between crystallites.

Fotofab, LLC

3758 W Belmont Ave. Chicago, IL 60618

773-463-6211

sales@fotofab.com

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