Effects of Adhesive Parameters on Dispersion Characteristics of Ultrasonic Guided Waves in Composite Pipes

Table 3

Pipe models set for the study.

		Case no.		q	d (mm)	n
Effect of body wave attenuation coefficients of adhesive layer	Longitudinal, shear wave attenuation	1	0.5	0.5	0.1	1
		2	1	1
		3	2	2
		4	4	4
	Longitudinal wave attenuation	5	0.5	1	0.1	1
		6	1
		7	2
		8	4
	Shear wave attenuation	9		0.5	0.1	1
		10		1
		11	1	2
		12		4
Effect of thickness of adhesive layer		13	1	1	0.5	1
		14			1
		15			2
		16			4
Effect of density of adhesive layer		17	1	1	0.1	0.1
		18				0.2
		19				0.5
		20				1