Abstract
There is an evident lack of information about military-type relays regarding their reliability, failure mechanisms and modes. In trying to fill this gap, even partially, this paper deals with different findings of internal visual inspection (IVI), failure analysis (FA) and a proposal for screening tests of relays as have been carried out in our laboratory. Likewise, it includes recommendations for quality assurance improvements. A special emphasis is placed on failure predictions by analysis of the IVI findings. This paper is based on a paper presented at the Seventh International Conference of the Israel Society for Quality Assurance (Tel-Aviv, 8–10 November 1988).
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