Multiaxial Cycle Deformation and Low-Cycle Fatigue Behavior of Mild Carbon Steel and Related Welded-Metal Specimen
| Autor: | Wei Lian Qu, Qiang Zhou, Er Nian Zhao |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
Materials science
Article Subject Carbon steel 02 engineering and technology Welding engineering.material law.invention Metal 0203 mechanical engineering law lcsh:TA401-492 General Materials Science Composite material Base metal technology industry and agriculture General Engineering 021001 nanoscience & nanotechnology Fatigue limit 020303 mechanical engineering & transports Welding process visual_art visual_art.visual_art_medium Hardening (metallurgy) engineering lcsh:Materials of engineering and construction. Mechanics of materials Low-cycle fatigue 0210 nano-technology |
| Zdroj: | Advances in Materials Science and Engineering, Vol 2017 (2017) |
| ISSN: | 1687-8442 1687-8434 |
| DOI: | 10.1155/2017/8987376 |
| Popis: | The low-cycle fatigue experiments of mild carbon Q235B steel and its related welded-metal specimens are performed under uniaxial, in-phase, and 90° out-of-phase loading conditions. Significant additional cyclic hardening for 90° out-of-phase loading conditions is observed for both base metal and its related weldment. Besides, welding process produces extra additional hardening under the same loading conditions compared with the base metal. Multiaxial low-cycle fatigue strength under 90° out-of-phase loading conditions is significantly reduced for both base-metal and welded-metal specimens. The weldment has lower fatigue life than the base metal under the given loading conditions, and the fatigue life reduction of weldment increases with the increasing strain amplitude. The KBM, FS, and MKBM critical plane parameters are evaluated for the fatigue data obtained. The FS and MKBM parameters are found to show better correlation with fatigue lives for both base-metal and welded-metal specimens. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|