Tin, phosphorus, and copper are the three main elements that make up the alloy known as “phosphor bronze,” though lead and zinc are occasionally included.
Three phases make up the structure
- The somewhat soft alpha phase is a solid copper and tin solution known as a matrix.
- A challenging, tin-rich delta phase is scattered throughout the matrix.
- A brittle but hard copper phosphate component connected to the delta component.
Some of the areas where phosphorus bronze is highly used
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Bridge
bearing plates are used in architecture. Fasteners include cotter pins, lock washers, and fasteners.
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Industrial
beater bars, bellows, clutch discs, diaphragms, perforated sheets, truss wire, springs, sleeve bushings, welding rods, textile machines, and chemical hardware
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Electrical
Various fuse clips, rotary switch slides, relay contacts, and circuit breaker contacts.
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Electronics
Lead frames, transistor terminals, lead frames, and various connectors. Bearing frames, hydraulic pressure caps, packing bearings, clutch plates, or electrical components are used in automobiles.
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Instruments of music
For cymbals, phosphor bronze is favored over brass due to its higher durability, which results in a broader tone spectrum and more excellent sustain. Phosphor bronze is one of several high copper-content alloys used to make the bells and bodies of metal wind instruments in place of the more prevalent varieties of brass. The brass instrument family (trumpets, flugelhorns, and trombones) and one of the reed instrument family, the saxophone, are examples of instruments made with high copper alloys.
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Other items
These include diaphragms, blades, springs, and anticorrosive chemical equipment parts.
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