The Elements of Industrial Radiography |
Common terms and phrases
40 ton yield acceptance alloy aluminium atomic atomic pile Blowhole Brakes Calcium tungstate capsule cassette container curie dark darkroom defect density diameter DIRECT TYPE FILM DIRECTION OF RAYS electrode emission emitted Exposure Chart faster film FILAMENT film and screens finished radiograph fluorescent screens fluoroscopy gamma gamma-radiography gas cavities gas pores grain film graph half-life hour per mc industrial radiography intensifying factor intensifying screens interpretation inverse square law iridium irradiate lack of fusion lead screens light material metre the radiation MILLICURIE National Physical Laboratory object obtained parent metal penetrameter plate Porosity possible produce quality welding radiation from unshielded radio radio-isotope radioactive isotopes radioactive sources radioisotopes radium radon reducing exposure sand inclusions sensitivity short S.F.D. shown in Fig Slag Inclusion Solus-Schall specimen standard steel Storage Block thickness tube current tungsten type of film Undercut unshielded gamma-rays usually voltage wavelength weld metal X-ray beam X-ray sets X-ray tube