HERMETIC CERAMIC FEEDTHROUGHS FOR SENSORS USED IN EXTREME ENVIRONMENTS

Reference Presenter Authors
(Institution)
Abstract
14-041 Michael George Scott Murray Patnaik, A.J.(Morgan Advanced Materials); Sarker, V.(Morgan Advanced Materials); Antalek, J.(Morgan Advanced Materials); Bakshi, A.K.(Morgan Advanced Materials); BRAY, D.J.(Morgan Advanced Materials); Murray, M.S.(Morgan Advanced Materials); In many industries, gradually equipment is being operated in extreme environment to drive efficiency. For example, in the aerospace industry, engines are run at higher temperature to increase fuel efficiency. In the oil industry, as drilling is done in deeper wells equipment are subjected to extreme temperature and pressure under a corrosive environment. In such operations, sensors used to monitor operating parameters often experience failure if proper material is not selected to withstand these extreme conditions. In this article, we will discuss material selection and design criteria for feedthroughs and housing used in the sensors. In particular, we will discuss the selection of ceramics and braze alloys which will withstand corrosion and thermal shock from such operations.
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