VIBRATIONS AND WAVE PROPAGATION IN ALUMINUM ALLOYS AT ELEVATED TEMPERATURES
Abstract
Measurements of the dynamic modulus and damping of commercially pure Al (1100) and an Al alloy (2024-T4) were obtained over a frequency range of 20 to 3500 c at temperatures from 80 to 1100 F. For the small test oscillations the results were found to be amplitude independent. The frequency and temperature dependence of the results are discussed in relation to linear viscoelastic representations, metallurgical properties, and possible temperature-time correspondence. Pulse propagation tests were performed but their analysis is complicated by the amplitudes being sufficiently large to cause plastic waves at high temperatures. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Aug 01, 1961
- Accession Number
- AD0261858
Entities
People
- A.f. Fraser
- S.r. Bodner
Organizations
- Brown University