Industrial Radiology: The Use of Radioactive Isotopes in Flaw Detection |
Contents
CONTENTS PART ONE PHYSICAL AND ENGINEERING FUNDAMENTALS Chapter 1 Structure of Matter Radioactive Decay Radioactive Isotop... | 7 |
Natural Radioactivity | 12 |
Artificial Radioactivity | 14 |
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absorbed absorption coefficient alloys aluminium atomic number attenuation barytes beam beta-particles calculated capsule characteristic curve charge cm thick container cracks depends detector determined device disintegration dose rate dose-reduction factor duralumin electric electron emitted employed emulsion ensure Exposure chart exposure set-up fatigue limit film density film-source distance flaw detection fluorescent screens g/cu cm gamma gamma-beam gamma-energy gamma-graphs gamma-inspection gamma-quanta gamma-radiography gamma-rays grade gram radium equivalent half-life half-value layers holder increase inspec inspected article inspected material inspected object inspection unit intensification factor intensity ionisation chamber irradiation lack of fusion lead foils length of lack linear absorption coefficient measured method mg radium equivalent microns neutrons nuclei optical density photoelectric photon protective shield radiation dose radiation energy radiation source radioactive isotopes radiographed rays Roentgen X Roentgen XX scattered radiation scintillation counter sections sensitivity shown in Fig silver bromide specific weight spectrum Table thickness,mm tion titanium welds X-ray film xeroradiographic plate