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Exhaust Catalytic Converter Bench Fatigue Test Specification Based on Equivalent Damage
Technical Paper
2000-01-0787
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Event:
SAE 2000 World Congress
Language:
English
Abstract
Component bench fatigue testing is a cost-effective way to evaluate the durability of exhaust catalytic converters. A successful bench fatigue test depends on the development of a test specification. The test specification should represent the actual customer duty cycle that the component is exposed to. Based on the concept of equivalent fatigue damage, a systematic approach is presented to obtain the test specification from the acquired road load data. A method based on damage analysis is proposed to determine the effective notch factor, and an empirical relationship is presented to account for the thermal effect on the test specification. The principles and procedures of multiple block testing and constant amplitude testing are also presented.
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Authors
Topic
Citation
Fan, D., Geer, L., Melin, R., and Poelman, M., "Exhaust Catalytic Converter Bench Fatigue Test Specification Based on Equivalent Damage," SAE Technical Paper 2000-01-0787, 2000, https://doi.org/10.4271/2000-01-0787.Also In
References
- Martinson, N.G. Leese, G.E. “The generation of cyclic blockloading test profiles from rainflow histograms” SAE International Congress and Exposition 1992
- Bannantine, J.A. Comer, J.J. Handrock, J.L. “Fundamentals of metal fatigue analysis” Prentice Hall 1990
- 1999