Fixtureless Environmental Stress Screening Apparatus.
Abstract
A fixtureless environmental screening device is provided for the testing of mechanical, electromechanical and electrical devices. The apparatus uses a relatively incompressible fluid having a high heat capacity and a high heat of vaporization to transfer heat and vibration to a device to be tested. The heat transfer characteristics of the fluid permits a device tested to undergo rapid temperature change while being simultaneously subjected to vibrational cycling. By utilizing a fluid as a vibration transmission medium expensive fixtures are avoided so that devices of a wide variety of shapes and sizes may be readily tested. The dielectric properties of the working fluid permits energization of electrical devices during the course of vibration and temperature cycling.
Document Details
- Document Type
- Technical Report
- Publication Date
- Aug 13, 1991
- Accession Number
- ADD015077
Entities
People
- Richard H. Chalmers
Organizations
- United States Department of the Navy