Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Nippon Steel Corp
Original Assignee
Mitsubishi Electric Corp
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp, Nippon Steel CorpfiledCriticalMitsubishi Electric Corp
Priority to JP50043067ApriorityCriticalpatent/JPS51117682A/en
Publication of JPS51117682ApublicationCriticalpatent/JPS51117682A/en
Publication of JPS5754745B2publicationCriticalpatent/JPS5754745B2/ja
Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves
(AREA)
Abstract
PURPOSE: It is a purpose of the invention to provide a supersonic waves searching method, permitting an on-line detection of surface defect and near-surface defect of the steel with comparatively large amount of unevennesses on its surface.