Copper Zinc Alloys

Overview

Engineering reference data for Copper Zinc Alloys in acoustics.

Key Formulas

Speed of Sound

$c = \sqrt{\gamma R T}$

Speed of sound in an ideal gas.

Sound Level

$L = 10 \log_{10}(I/I_0)$

Decibel level.

Wavelength

$\lambda = c / f$

Wavelength = speed / frequency.

Variables

Symbol	Description	Unit
$c$	Speed of sound	m/s
$L$	Sound level	dB
$\lambda$	Wavelength	m
$f$	Frequency	Hz

Tensile Strength Data for Copper-Zinc-Tin Alloys

The mechanical properties of ternary copper-zinc-tin alloys vary significantly with composition. The following table summarizes tensile strength data for different alloy blends.

Key Observation: The data shows that tensile strength does not scale linearly with copper content. For instance, a 55% Cu, 43% Zn, 2% Sn alloy achieves a peak strength of 65,000 psi (4.48 × 10⁵ kPa), while higher or lower copper concentrations result in reduced strength. This highlights the critical importance of precise compositional control in alloy design.

Interactive Charts

References

• Original Source