Magnetostrictive guided wave sensor for nondestructive testing

• Main Authors: LI ZHIHAO, HUO JINGRUN, CAI CHANG, HUANG YONGDONG, LU QUANGUO, LIU JINFENG
• Format: Patent
• Language: Chinese; English
• Published: 19.04.2022
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model belongs to the technical field of pipeline detection, and particularly relates to a magnetostrictive guided wave sensor for nondestructive testing, which comprises a shell body, a permanent magnet, a backing, a magnetostrictive element, a support frame, an exciting coil, a connector, a U-shaped base and an elastic base, the back lining and the magnetostrictive element are vertically combined to form an integral structure, the back lining and the magnetostrictive element are fixedly connected with the permanent magnet, the back lining and the magnetostrictive element are sleeved with the supporting frame, the supporting frame comprises a supporting rod, the middle of the supporting rod is concave inwards, the supporting frame is sleeved with the excitation coil, and the connector is arranged at the upper end of a shell body. The excitation coil is connected with the connector, the U-shaped base is arranged at the lower end of the magnetostriction element, the elastic base is arranged at the l