Nondestructive Testing Technology of Solid Rocket Engine Based on Acoustics

Solid rocket motor (SRM) is the main power device of missile weapon system nowadays. Its structure quality has a great influence on weapon performance. How to choose effective and reasonable nondestructive testing means has been paid more and more attention. Research hotter and application at home and abroad in this paper, the potentiality of nondestructive testing technique based on acoustic (including conventional ultrasonic testing technology, air coupling ultrasonic testing, laser ultrasonic testing technology, the electromagnetic ultrasonic testing technique) were reviewed, this paper expounds the technical principle of the detection method, analyses the applicable objects, and advantages and disadvantages compared.