Stress relief during annealing of railway wheel steel characterized by synchrotron X-ray micro-diffraction

Yubin Zhang; Casey Jessop; Dimitrios Nikas; Tianbo Yu; Wenjun Liu; Johan Ahlström

doi:10.1088/1757-899X/1249/1/012043

Stress relief during annealing of railway wheel steel characterized by synchrotron X-ray micro-diffraction

Yubin Zhang^*, Casey Jessop, Dimitrios Nikas, Tianbo Yu, Wenjun Liu, Johan Ahlström^*

^*Corresponding author for this work

Research output: Contribution to journal › Conference article › Research › peer-review

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Abstract

Railway wheels in service experience rolling contact fatigue loading, but also need to resist frictional heating on braking, yielding temperatures up to 500 °C. The combination of mechanical and thermal loads leads to changes in the mechanical properties of the material. The focus of this study is to investigate the effect of annealing on local microstructure and residual stresses in railway wheel pearlitic steel (medium carbon steels, ~0.55 wt.% C) using synchroton X-ray Laue micro-diffraction. It is found that the local residual stress releases to a large extent after annealing at 500 °C. The stress formation and relief mechanisms and their relationship to the local microstructure are discussed.

Original language	English
Article number	012043
Journal	IOP Conference Series: Materials Science and Engineering
Volume	1249
Number of pages	6
ISSN	1757-8981
DOIs	https://doi.org/10.1088/1757-899X/1249/1/012043
Publication status	Published - 2022
Event	42nd Risø International Symposium on Materials Science - Risø, Denmark Duration: 5 Sept 2022 → 9 Sept 2022 https://www.conferencemanager.dk/42ndsymposium/program

Conference

Conference	42nd Risø International Symposium on Materials Science
Country/Territory	Denmark
City	Risø
Period	05/09/2022 → 09/09/2022
Internet address	https://www.conferencemanager.dk/42ndsymposium/program

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title = "Stress relief during annealing of railway wheel steel characterized by synchrotron X-ray micro-diffraction",

abstract = "Railway wheels in service experience rolling contact fatigue loading, but also need to resist frictional heating on braking, yielding temperatures up to 500 °C. The combination of mechanical and thermal loads leads to changes in the mechanical properties of the material. The focus of this study is to investigate the effect of annealing on local microstructure and residual stresses in railway wheel pearlitic steel (medium carbon steels, ~0.55 wt.% C) using synchroton X-ray Laue micro-diffraction. It is found that the local residual stress releases to a large extent after annealing at 500 °C. The stress formation and relief mechanisms and their relationship to the local microstructure are discussed.",

author = "Yubin Zhang and Casey Jessop and Dimitrios Nikas and Tianbo Yu and Wenjun Liu and Johan Ahlstr{\"o}m",

year = "2022",

doi = "10.1088/1757-899X/1249/1/012043",

language = "English",

volume = "1249",

journal = "IOP Conference Series: Materials Science and Engineering",

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T1 - Stress relief during annealing of railway wheel steel characterized by synchrotron X-ray micro-diffraction

AU - Zhang, Yubin

AU - Jessop, Casey

AU - Nikas, Dimitrios

AU - Yu, Tianbo

AU - Liu, Wenjun

AU - Ahlström, Johan

PY - 2022

Y1 - 2022

N2 - Railway wheels in service experience rolling contact fatigue loading, but also need to resist frictional heating on braking, yielding temperatures up to 500 °C. The combination of mechanical and thermal loads leads to changes in the mechanical properties of the material. The focus of this study is to investigate the effect of annealing on local microstructure and residual stresses in railway wheel pearlitic steel (medium carbon steels, ~0.55 wt.% C) using synchroton X-ray Laue micro-diffraction. It is found that the local residual stress releases to a large extent after annealing at 500 °C. The stress formation and relief mechanisms and their relationship to the local microstructure are discussed.

AB - Railway wheels in service experience rolling contact fatigue loading, but also need to resist frictional heating on braking, yielding temperatures up to 500 °C. The combination of mechanical and thermal loads leads to changes in the mechanical properties of the material. The focus of this study is to investigate the effect of annealing on local microstructure and residual stresses in railway wheel pearlitic steel (medium carbon steels, ~0.55 wt.% C) using synchroton X-ray Laue micro-diffraction. It is found that the local residual stress releases to a large extent after annealing at 500 °C. The stress formation and relief mechanisms and their relationship to the local microstructure are discussed.

U2 - 10.1088/1757-899X/1249/1/012043

DO - 10.1088/1757-899X/1249/1/012043

M3 - Conference article

SN - 1757-8981

VL - 1249

JO - IOP Conference Series: Materials Science and Engineering

JF - IOP Conference Series: Materials Science and Engineering

M1 - 012043

T2 - 42nd Risø International Symposium on Materials Science

Y2 - 5 September 2022 through 9 September 2022

ER -

Stress relief during annealing of railway wheel steel characterized by synchrotron X-ray micro-diffraction

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