Study on Guided Wave Imaging Methods for SOLID Rocket Motor Shell Material

* Corresponding author Abstract—It is easy to produce some defects on the adhesive interface of solid rocket motor, and it is urgent to develop a method on guided wave imaging detection. The propagation characteristics of guided wave dispersion and multi modes are analyzed. According to the propagation path, the guided wave imaging methods can be divided into two types, reflective type and projection type. Three imaging methods which are time reversal focusing, synthetic aperture focusing and transmission tomography are studied, the imaging principle and the research of the domestic and foreign research are analyzed in detail..Different guided wave imaging methods must be selected according to the application requirements.

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