![Scientific and technical journal «Priborostroenie»](/images/mag-pr.png)
ANALYSIS OF INTERNAL FRICTION FOR MATERIALS OF BELLOWS SENSING ELEMENTS OF CONTROL SYSTEMS
![Scientific and technical journal «Priborostroenie»](/images/mag-pr.png)
Annotation
A method for studying damped oscillations of a bellows shell in the presence of internal friction is considered. The logarithmic decrement of the oscillation is taken as a measure of internal friction at static and dynamic loading. Principles of operation of automated complex created for measuring internal friction in bellows sensing elements of control systems are described; the complex affords production of competitive and highly reliable bellows sensing elements. The complex incorporates an apparatus determining the element ability of energy scattering under vibration; a unit used to determine the energy scattering under cyclic loading of the bellows; a setup for studying damping characteristics of the bellows material under transfer vibrations and the element loading by static stretching force. The complex is also provided with an instrument for investigating the damping properties of the bellows sensing element material by damp oscillation method and the method of resonance deepening.
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