DEVICE FOR NON-DESTRUCTIVE CONTROL OF WALLS OF FERROMAGNETIC CONSTRUCTIONAL ELEMENTS

• Main Authors: ALERS RONALD B, ALERS GEORGES A, BOIKER THOMAS, BOILE JOHN J
• Format: Patent
• Language: English; Russian; Ukrainian
• Published: 11.07.2011
• Subjects: FOR PERFORMING MECHANICAL WORK IN GENERAL; GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICALVIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY; PERFORMING OPERATIONS; PHYSICS; TESTING; TRANSPORTING

The invention relates to a device for testing ferromagnetic component walls, such as pipe or plate walls, for cracks or other such elongated defects, without destroying the same, by means of ultrasound waves, especially shear waves, that are excited in a wall region magnetised in a pre-determincd ma...