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Anomalous Elastic Properties of a Precipitation-Hardened Copper Alloy
The room-temperature elastic constants of a polycrystalline precipitation-hardened copper-cadmium-chromium alloy were determined by a 10 MHz pulse-echo method. With respect to copper the alloy has a fifteen-percent-lower bulk modulus, a fifteen-percent-higher shear modulus, and a fourteen-percent-lower Poisson ratio. These changes, especially in the Poisson ratio, are much larger than those observed in the more familiar copper-beryllium precipitation-hardened alloy and compare to those usually obtained only by mechanical deformation or by phase transformation.
Anomalous Elastic Properties of a Precipitation-Hardened Copper Alloy
The room-temperature elastic constants of a polycrystalline precipitation-hardened copper-cadmium-chromium alloy were determined by a 10 MHz pulse-echo method. With respect to copper the alloy has a fifteen-percent-lower bulk modulus, a fifteen-percent-higher shear modulus, and a fourteen-percent-lower Poisson ratio. These changes, especially in the Poisson ratio, are much larger than those observed in the more familiar copper-beryllium precipitation-hardened alloy and compare to those usually obtained only by mechanical deformation or by phase transformation.
Anomalous Elastic Properties of a Precipitation-Hardened Copper Alloy
H. M. Ledbetter (author)
1977
3 pages
Report
No indication
English
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