Development of a quenching process for the production of low carbon bainitic-martensitic railway wheels

A finite element (FE) method was used to study the formation of residual stresses in low carbon bainiticmartensitic (LCBM) railway wheels through the CRC for Rail Innovation, Project R3.101 . Wheels made from LCBM steel offer the potential of superior performance and extended life compared with conventional pearlitic wheels, however, conventional rim quenching methods cannot be used for LCBM wheels as they cause adverse residual stresses in the rim. The FE analyses were complemented by experimental dilatometric data in order to achieve quenching conditions resulting in compressive residual stresses in the rim of LCBM wheels. Full-scale wheel quenching experiments, using embedded thermocouples to measure actual cooling rates, have validated the heat transfer coefficients used in the FE model. A new quenching process for LCBM wheels was thus determined, with the results of early trials showing it is possible to produce compressive residual stresses in the rim of the wheel. The commercial feasibility of LCBM railway wheels has been enhanced as a result.

• Record URL:
  http://railknowledgebank.com/Presto/content/Detail.aspx?ctID=MTk4MTRjNDUtNWQ0My00OTBmLTllYWUtZWFjM2U2OTE0ZDY3&rID=MjE1NQ==&sID=MTc=&ph=VHJ1ZQ==&qcf=MTk4MTRjNDUtNWQ0My00OTBmLTllYWUtZWFjM2U2OTE0ZDY3&bckToL=VHJ1ZQ==
• Authors:
  • Lingamanaik S
  • Chen B
  • Kim M
  • Constable T
  • Boelen R
• Conference:
  • CORE 2012, Rail - the core of integrated transport, conference on railway engineering, Perth, Western Australia, 7-10 September 2012
• Publication Date: 2012

Media Info

• Pagination: 10p. ; PDF
• Monograph Title: Rail - the core of integrated transport: CORE 2012: conference on railway engineering, 7-10 September 2012, Perth, Western Australia

Subject/Index Terms

• TRT Terms: Steel; Stresses; Wheels
• ATRI Terms: Steel; Stress; Wheel
• Subject Areas: Vehicles and Equipment;

Filing Info

• Accession Number: 01532183
• Record Type: Publication
• Source Agency: ARRB
• Files: ATRI
• Created Date: Jul 29 2014 12:00PM