J. Goodwald's scientific contributions

Publication (1)

At Armco's Ambridge, PA, Plant, an ultrasonic thickness tester was used as a statistical process control tool in the Mannesmann process. The tester employs a technique that is similar to sonar in that the time-of-flight is measured as a brief mechanical (ultrasonic) pulse moves rapidly between the outer and inner surface of the pipe wall. The pipe...