Pictures obtained with γ-ray nondestructive testing unit provided Chicago Transit Authority with vital data on weld discontinuities or weaknesses in new, all-welded elevated track section; to insure highest quality welds, fast-moving test procedure was set up, calling for γ-ray inspection of 60 welds/day; advantages of welded rail over conventional joints.
Gamma rays inspect thermit welded railway tracks
Welding Engr
Welding Engineer ; 48 , n 10
1963
2 pages
Aufsatz (Zeitschrift)
Englisch
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