ROLLING-LOAD-TEST RESULTS OF WELDED ENGINE-WHEEL BURNS ON RAIL SUPPLIED BY THE SEABOARD AIR LINE RAILROAD

The oxyacetylene-welding method is the standard procedure for repairing wheel burns. Two welds of this type were prepared as controls. Eight engine-wheel burns were then welded by means of the electric-arc method. The first six welds were made on 115-lb RE rail and the last four welds were made on 132-lb RE rail. In this type of test 2,000,000 cycles without failure are considered a run-out. All of the welds were checked ultrasonically for defects. The oxyacetylene welds had the best results, in that one ran to 2,000,000 cycles without a failure and the other ran to 589,000 cycles, failing from a detected inclusion. The electric-arc welds failed prematurely at 49,000 to 159,000 cycles. The microscipic examination of fractures revealed taht a sharp line of demarcation between the weld metal and rail metal existed as well as very fine porosity on the interface. This porosity in all of the electric-arc welds was the cause of the failure. The microsocpic porosity in the interface could not be detected ultrasonically whereas the indication of the inclusion was very definite.

• Corporate Authors:

  American Railway Engineering Association

  59 East Van Buren Street
  Chicago, IL  United States  60605
• Publication Date: 1960

Media Info

• Features: Photos; Tables;
• Pagination: p. 891-896
• Serial:
  • AREA BULLETIN
  • Volume: 61
  • Issue Number: 556
  • Publisher: American Railway Engineering Association

Subject/Index Terms

• TRT Terms: Contaminants; Defects; Dynamic loads; Inspection; Nondestructive tests; Railroad rails; Technology; Ultrasonic tests; Void ratios; Welded rail
• Uncontrolled Terms: Contamination
• Geographic Terms: United States
• Old TRIS Terms: Void; Voids (Rails); Wheel burn
• Subject Areas: Environment; Railroads;

Filing Info

• Accession Number: 00040577
• Record Type: Publication
• Files: TRIS
• Created Date: Jul 8 1994 12:00AM