APPARATUS AND METHOD FOR NONDESTRUCTIVE TESTING OF THE JOINT QUALITY OF STUD WELDED JOINTS

摘要

Method and apparatus for nondestructive testing of the joint quality of fastened workpiece joints whereby the apparatus comprises a device (12) for heating a first workpiece (14) that is joined to a second workpiece (16), and a device (18) for optical measurement of a heat distribution, whereby the device for heating is an inductor (28) which is capable of producing a magnetic field (38) that acts on the first workpiece.