Railroad Rails Containing Electrode-Induced Pitting from Pressure Electric Welding

Details

• Creators:
  Luck, Blain R. ; Vigilante, Gregory N. ; Ethier, Christopher L. ; Troiano, Edward J. ; Marquis, Brian ; Yu, Hailing ; Jeong, David Y.
• Corporate Creators:
  United States. Department of Transportation. Federal Railroad Administration ; John A. Volpe National Transportation Systems Center (U.S.) ; Benet Laboratories
• Subject/TRT Terms:
  Chemical Composition Cracking Mechanical Tests Metallography Nondestructive Tests Pitting Rail (Railroads) Rail Steel Welding
• Publication/ Report Number:
  JRC2018-6141
• Resource Type:
  Proceedings
• Geographical Coverage:
  New York
• Corporate Publisher:
  American Society of Mechanical Engineers
• Abstract:
  This paper describes the forensic evaluations of three
  
  railroad rails containing electrode-induced pitting. These
  
  evaluations include: magnetic particle inspection to
  
  nondestructively detect cracks emanating from the pitting;
  
  fractography to study the fracture surfaces of the cracks;
  
  metallography to study the microstructure; analysis of chemical
  
  composition; and measurements of tensile mechanical
  
  properties and fracture toughness of rail steel. Moreover, the
  
  results of these evaluations confirm the hypothesis postulated
  
  by FRA that stray arcing during pressure electric welding can
  
  cause electrode-induced pitting.
  
  
• Format:
  PDF
• Collection(s):
  Federal Railroad Administration Volpe Center
• Main Document Checksum:
  urn:sha-512:880bf16016e6ae110a8330dec6258806e00a285ac12ecfc1eeb2d2c38491a944354d8e06f83d651dfc5f2bbe4cc54302aef00a8ac58cf71fec3b2a79494e7c37
• Download URL:
  https://rosap.ntl.bts.gov/view/dot/35650/dot_35650_DS1.pdf
• File Type:
  [PDF - 605.67 KB ]