Minimization of composition sensitivity with a strontium-90/x-ray thickness gauge in the 0- to 2-mm range

Conference · Wed Jan 01 04:00:00 EST 1992 · Transactions of the American Nuclear Society; (United States)

OSTI ID:6415378

Flormann, P; Shaw, A ^[1]

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1. Isotope Measuring Systems Ltd., Northampton (United Kingdom)

The best method of measuring the thickness of aluminum sheets is to calculate it from the absorption of a beam of X rays through the material. This method provides the real-time measurement required for the control of high-speed rolling mills. When the sheets are more than 100/[mu]m thick, the X-ray energy required is above 9 key. At this energy, the absorption varies dramatically with the alloy composition of the aluminum. These variations can cause significant errors in the calculated thickness.

• OSTI ID: 6415378
• Report Number(s): CONF-920919--
• Conference Information: Journal Name: Transactions of the American Nuclear Society; (United States) Journal Volume: 65:1
• Country of Publication: United States
• Language: English

Related Subjects

07 ISOTOPE AND RADIATION SOURCES
070204* -- Radiation Sources-- Industrial Uses
Radiometric
440101 -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ALKALINE EARTH ISOTOPES
ALUMINIUM
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CHEMICAL ANALYSIS
DATA COVARIANCES
DISTRIBUTION
ELEMENTS
EVEN-EVEN NUCLEI
INTERMEDIATE MASS NUCLEI
ISOTOPES
MASS
MEASURING INSTRUMENTS
METALS
NONDESTRUCTIVE ANALYSIS
NUCLEI
RADIATION ABSORPTION ANALYSIS
RADIOISOTOPES
RELIABILITY
SPATIAL DISTRIBUTION
STRONTIUM 90
STRONTIUM ISOTOPES
THICKNESS GAGES
YEARS LIVING RADIOISOTOPES