Non-destructive Testing Techniques

acceptance advantages alternating appear application appreciated automatic become British carried complete components concerned considerable continuous costs course crack crack detector defects depends direct economic effect electrical energy engineering environmental equipment established evaluation examination existing fact factors failure field flaw functions future gamma-rays give greater half-life important improved increase indicated industry inspection interest introduction involved knowledge known lead light limitations Magnaflux magnetic manufacturers materials means measurement ment metal methods necessary non-destructive testing normal operation particular perhaps Plate position possible present problems production properties quality control radiation radiographic range reasonable recording relation reliability requirements responsible result screen sound specification specimen stage standard steel suitable supplied surface technical techniques thickness tion tube ultrasonic unit various vibrations waves welds whilst wide x-ray