Assessment of Thermal Damage for Railway Wheel of Long-Term Running

Seok Jin Kwon; Jung Won Seo; Dong Hyung Lee; Sung Tae Kwon

doi:10.4028/www.scientific.net/KEM.488-489.194

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Modelling of Nonlinear Creep and Recovery Behaviour of Cortical Bone
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Finite Element Analysis by Using Hyper-Elastic Properties for Rubber Component
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Assessment of Thermal Damage for Railway Wheel of Long-Term Running
p.194

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 488-489Assessment of Thermal Damage for Railway Wheel of...

Assessment of Thermal Damage for Railway Wheel of Long-Term Running

Abstract:

The railway wheel in long-term running had experienced the wheel damage due to fatigue crack and shelling. The damaged wheel in railway vehicle would cause a poor ride comfort, a rise in the maintenance cost and even fracture of the wheel, which then leads to a tremendous social and economical cost. It is necessary to evaluate long-term damage of railway wheel in order to ensure the safety of wheel. To evaluate the damage for railway wheels, the measurements for the replication of wheel surface and residual stress of railway wheel using x-ray diffraction system were carried out. The result shows that the residual stress of wheel is depend on the running distance and thermal gradient during brake application also that the replication test can be applied in new evaluation method of wheel damage.

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Periodical:

Key Engineering Materials (Volumes 488-489)

Pages:

194-197

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.488-489.194

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Online since:

September 2011

Authors:

Seok Jin Kwon, Jung Won Seo, Dong Hyung Lee, Sung Tae Kwon

Keywords:

Defect, Railway Wheel, Replication Test, Residual Stress, Thermal Damage, Wheel Tread

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References

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