Thermomechanical fatigue behavior of the ferritic stainless steel
A thermomechanical fatigue (TMF) life prediction model for ferritic stainless steel, used in exhaust manifold of automobile, was developed based on Tomkins' two-dimensional crack propagation model. Low-cycle fatigue (LCF) and TMF tests were carried out in a wide temperature range from 200 to 650 degrees C. New concept of plastic strain range on TMF was proposed. Effective stress concept was introduced to get a reasonable stress range in TMF hysteresis loop. The proposed model predicted TMF life within 2X scatter band. The experimental results reveal that TMF life is about 10% of isothermal fatigue life.
- Publisher
- TRANS TECH PUBLICATIONS LTD
- Issue Date
- 2005
- Language
- English
- Article Type
- Article; Proceedings Paper
- Citation
ADVANCES IN FRACTURE AND STRENGTH, PTS 1- 4 BOOK SERIES: KEY ENGINEERING MATERIALS, v.297-300, pp.1 - 4
- ISSN
- 1013-9826
- Appears in Collection
- ME-Journal Papers(저널논문)
- Files in This Item
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