What are the mechanical properties of bronze?

What are the mechanical properties of bronze?

Mechanical Properties

Properties Metric Imperial
Tensile strength, ultimate 240 MPa 34800 psi
Tensile strength, yield (@strain 0.500%) 125 MPa 18100 psi
Elongation at break (in 50 mm) 20.00% 20.00%
Modulus of elasticity 100 GPa 14500 ksi

What is the importance of phosphor bronze?

Phosphor bronze is used for springs, bolts, bushings and bearings, electrical switches with moving or sliding parts, dental bridges, the reed component of organ pipes and various other products or assemblies where resistance to fatigue, wear, and corrosion are required (e.g., ship’s propellers in a marine environment).

What is the tensile strength of phosphor bronze?

324-965 MPa
Mechanical Properties

Properties Metric Imperial
Tensile strength 324-965 MPa 47000-140000 psi
Yield strength (depending on temper) 131-552 MPa 19000-80100 psi
Elongation at break (in 50.8 mm) 64% 64%
Machinability (UNS C36000 (free-cutting brass) = 100) 20 20

Why phosphor bronze is used in galvanometer?

In galvanometer, phosphor bronze wire is used because this wire has a small restoring torque per unit twist and the tensile strength of this wire is high.

What is the difference between bronze and phosphor bronze?

In summary, bronze is an important alloy of copper. The key difference between bronze and phosphor bronze is that the bronze is an alloy of copper, whereas the phosphor bronze is a type of bronze which contains phosphorous as an additional component.

Is phosphor bronze a compound?

Phosphor Bronze is a copper-based alloy composed of 3.5-10% tin and up to 1% phosphorus. Phosphor bronze possesses a high yield strength and corrosion resistance and is typically used for bearings, springs, bolts, and other components.

How strong is phosphor bronze?

Mechanical Properties Metric English
Tensile yield strength 380-450 MPa 55100-65260 psi
Modulus of Elasticity 110 GPa 16000 ksi
Electrical conductivity (relative to pure copper) 15%
Hardness (Rockwell B) 75-85

What are properties of brass?

Brass Characteristics

  • Tarnish-resistant.
  • Low-friction.
  • Malleable.
  • Easily machined.

What makes a phosphor bronze a good alloy?

Overview. The phosphor bronzes contain between 0.5 and 11% tin and 0.01 to 0.35 % phosphorous. The addition of tin increases the corrosion resistance and strength of the alloy. The phosphorous increases the wear resistance and stiffness of the alloy. The phosphor bronzes have superb spring qualities, high fatigue resistance,…

Is it safe to breathe phosphor bronze dust?

The dust and fumes of phosphor bronze are also toxic when inhaled, so be wary of both your wallet and your lungs. Table 1, below, shows some mechanical properties relevant to phosphor bronze’s uses and strengths.

What is the elastic modulus of phosphor bronze?

Phosphor bronze has a decently high elastic modulus (almost half that of most steels), which suggests it is not as strong as other alloys but can hold its own under moderate conditions. This causes phosphor bronze to be both useful for shaping operations and more difficult to machine, but more on this in a bit.

Why are acoustic strings made out of phosphor bronze?

In the case of the acoustic strings, Phosphor Bronze strings are known for their extended life, durability and warm, bright and well-balanced acoustic tone. Phosphor Bronze’s qualities make it an alloy of choice for multiple aesthetic and functional applications.