Non-constructive testing: tips for END professional development

The success of any non-destructive testing (NDT) method and procedure depends on the knowledge, skill, and experience of NDT personnel developed in the profession. The person (s) responsible for the detection, interpretation, and evaluation of indications, such as ultrasonic testing, radiographic testing, or magnetic particle testing, must be qualified and certified to specific industry or other acceptable government standards. or from the industry, such as the American Society for Non-Destruction Testing (ASNT) Qualification and certification of personnel according to SNT-TC-1A or Indian Society for Nondestructive testing (ISNT) for different levels such as Level I (1), II (2 ), III (3) or any other internationally recognized personnel qualification Training and Certification. The person should be familiar with the respective NDT inspection test methods, know the potential types of discontinuities inherent in the material, and know their effect on the structural integrity of the part, Nondestructive testing services. Inspection personnel should know where discontinuities occur or what might be expected to exist and what effect they may have on the life of the component or assembly. Misinterpretation and / or improper evaluation of discontinuities or improper performance of inspection tests can result in rejection of serviceable parts and acceptance of defective parts. END personnel should be familiar with detecting discontinuities such as: corrosion, inherent discontinuities, primary processing discontinuities, secondary processing or finishing, in-service discontinuities and codes, standards, specifications related to the NDT.