Nondestructive Technique Survey for Assessing Integrity of Composite Firing Vessel

[摘要] The repeated use and limited lifetime of a composite tiring vessel compel a need to survey techniques for monitoring the structural integrity of the vessel in order to determine when it should be retired. Various nondestructive techniques were researched and evaluated based on their applicability to the vessel. The methods were visual inspection, liquid penetrant testing, magnetic particle testing, surface mounted strain gauges, thermal inspection, acoustic emission, ultrasonic testing, radiography, eddy current testing, and embedded fiber optic sensors. It was determined that embedded fiber optic sensor is the most promising technique due to their ability to be embedded within layers of composites and their immunity to electromagnetic interference.

[发布日期] 2000-08-01 [发布机构] Lawrence Livermore National Laboratory

[关键词] Testing;Monitoring;Acoustics;Fiber Optics;42 Engineering