Patent · US Expired

EMAT inspection of welds in thin steel plates of dissimilar thicknesses

US6158285A · kind A · utility

4Cited by
9References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 26, 1997
Grant dateDec 12, 2000
Priority date
Expiry dateAug 26, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2291/267
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A method for inspecting welds uses a single EMAT tranducer operated in pulse-echo mode that sends and receives Rayleigh waves to detect defects in a weld between sheet plates of dissimilar thicknesses.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.