Damping Characteristics of Built-Up Cantilever Beams in a Vacuum Environment

Abstract

Damping measurements have been made on solid and built-up cantilever beams in a vacuum environment to determine the effects on structural damping. The changes in damping characteristics are noted for various values of clamping pressure between beam laminates for the case of the built-up beam. Results indicate no significant changes in structural damping characteristics as a result of exposure to pressures as low as 1 x l0-9 torr (0.15 microN/m2).

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1965
Accession Number
ADA400027

Entities

People

  • Robert J. Hayduk
  • Robert R. Mcwithey

Organizations

  • National Aeronautics and Space Administration

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Aeronautics
  • Air Pressure
  • Barometric Pressure
  • Cantilever Beams
  • Cathode Ray Tubes
  • Cold Welding
  • Diffusion Pumps
  • Frequency
  • Gages
  • Instrumentation
  • Laminates
  • Measurement
  • Metric System
  • Oscillographs
  • Stainless Steel
  • Transducers
  • Vacuum

Fields of Study

  • Physics

Readers

  • Pulsed Power and Plasma Physics.
  • Structural Dynamics.