Location

Brunswick, ME

Start Date

1-1-1992 12:00 AM

Description

On an automatic ultrasonic testing bench for seamless steel tubes, the choice of the incident angle of the transducers is fundamental. One has to consider not only the detection of the defects but also a good reproducibility of the detection. The first cause for concern for the operator would be the conciliation of the theoretical needs and the industrial requirements, thus leading to a compromise. For many years, the general trend consisted in operating by means of a fixed angle for medium and large diameters, and adjustable angles for the smaller ones. The choice used to be determined by the operator in the field. In certain cases, it was so difficult that it led to endless hesitation. Because of possible confusion, such a procedure has become less and less acceptable.The choice used to be determined by the operator in the field. In certain cases, it was so difficult that it led to endless hesitation. Because of possible confusion, such a procedure has become less and less acceptable.

Book Title

Review of Progress in Quantitative Nondestructive Evaluation

Volume

11A

Chapter

Chapter 4: Sensors and Standards

Section

Standards

Pages

1199-1204

DOI

10.1007/978-1-4615-3344-3_155

Language

en

File Format

application/pdf

Share

COinS
 
Jan 1st, 12:00 AM

Optimum Implementation of the Specified Notches for Ultrasonic Detection of Longitudinal Defects on Steel Tubes

Brunswick, ME

On an automatic ultrasonic testing bench for seamless steel tubes, the choice of the incident angle of the transducers is fundamental. One has to consider not only the detection of the defects but also a good reproducibility of the detection. The first cause for concern for the operator would be the conciliation of the theoretical needs and the industrial requirements, thus leading to a compromise. For many years, the general trend consisted in operating by means of a fixed angle for medium and large diameters, and adjustable angles for the smaller ones. The choice used to be determined by the operator in the field. In certain cases, it was so difficult that it led to endless hesitation. Because of possible confusion, such a procedure has become less and less acceptable.The choice used to be determined by the operator in the field. In certain cases, it was so difficult that it led to endless hesitation. Because of possible confusion, such a procedure has become less and less acceptable.