Welding inspection method
AssigneesDAIHEN Corporation, Osaka University
InventorsSeiya Nitta, Keiji Kadota, Toshiyuki Tanaka, Satoru Asai, Kazufumi Nomura
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Abstract
A welding inspection method includes a step S102 of removing an impurity at a surface of a weld with a surface treatment apparatus, a step S110 of irradiating the surface of the weld from which the impurity has been removed with transmission laser light, a step S120 of detecting reflected ultrasound reflected by a lower surface of a base material, and a step S150 of determining whether or not there is an internal defect in the weld based on a result of detection of reflected ultrasound.
Claims4
A welding inspection method of inspecting a weld, the welding inspection method comprising:
- removing an impurity at a surface of the weld;
- irradiating the surface of the weld from which the impurity has been removed with transmission laser light for excitation of ultrasound in inside of a detection target;
- detecting ultrasound excited by transmission laser light;
- and
- determining whether there is an internal defect in the weld based on a result of detection of ultrasound.
Dependencies are inferred from the claim text.