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Thermo-Mechanical Fatigue Testing of Welded Tubes for Exhaust Applications
Technical Paper
2018-01-0090
ISSN: 0148-7191, e-ISSN: 2688-3627
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Abstract
Selected ferritic stainless steel sheets for exhaust applications were tested under thermo-mechanical fatigue (TMF) condition in the temperature range of 400-800 °C with partial constraint. Straight welded tubes were used as the testing coupons to withstand large compression without buckling, and to understand the effect of welding as well. Repeated tests confirmed the observed failure scenario for each material type. The hysteresis loop behaviors were also simulated using the mechanism-based integrated creep and fatigue theory (ICFT) model. Although more development work is needed, for quick material screening purpose this type of testing could be a very cost effective solution for materials and tube weld development for exhaust applications.
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Quan, G., Wu, X., Lafleur, L., and zhang, Z., "Thermo-Mechanical Fatigue Testing of Welded Tubes for Exhaust Applications," SAE Technical Paper 2018-01-0090, 2018, https://doi.org/10.4271/2018-01-0090.Data Sets - Support Documents
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References
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