Technical Reports

Analysis of Findings of Four Tank-Car Accient Reports

  • 01
  • Jan
  • 1975
AUTHOR: Interrante, Hicho and Harne
OFFICE: RPD
REPORT NUMBER: DOT/FRA/ORD-75/50
SUBJECT: Hazardous Materials
KEYWORDS: Analysis of Findings of Four Tank-Car Accient Reports
ABSTRACT: A comprehensive overview of the findings and metallurgical analyses of tests conducted at the National Bureau of Standards on samples of tank-car materials submitted by the Federal Railroad Administration is presented. The submitted samples were taken from tank cars which had been involved in accidents during the period January 1970 to January 1971. The testing conducted during the metallurgical analyses included full chemical analyses, ambient temperature tensile tests on longitudinal and transverse specimens, quantitative metallography to determine ferrite grain size, pearlite colony size, and inclusion content, size and shape, hardness tests, bend tests on longitudinal and transverse specimens, and a very comprehensive program of impact testing, which is covered in a separate report on Impact Properties.
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