Summary of Seventh Progress Report of Investigation of Fissures in Railroad Rails, giving results of first 10 yr of investigation sponsored jointly by railroads and manufacturers; laboratory tests confined; field tests of wheel loads; service records of test rails; control cooling; brunorizing; chemical and metallographic tests; mechanical properties of rail steel; impact tests; effects of temperature changes; nondestructive tests. (see also Metallurgist (Supp to Engineer) Aug 29 1941 p 28-30)
Decade of study reveals secrets of rail defects
Ry Age
Railway Age ; 111 , n 3
1941
5 pages
Article (Journal)
English
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