High-Cycle Fatigue and Thermal Dissipation Investigations for Low Carbon Steel Q345

Abstract:

Carbon steel is a kind of metallic material that widely used in construction, machinery, manufacturing and other domains. In the mechanical structure system, long-term cyclic stress may cause the mechanical components failure. In this work, the characteristic of fatigue crack propagate in low carbon steel Q345 and the effect of loading frequency to the fatigue property of Q345 steel were investigated. Meanwhile, the dispersion of high-cycle fatigue of life of the Q345 steel under high fatigue testing frequency was analyzed, and the P-S-N curve with the test data was given out. With the help of infrared camera, temperature rise curve during fatigue test was analyzed to study the thermal dissipation of Q345 steel.

• Periodical: Key Engineering Materials (Volume 664)
• Pages: 305-313
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.664.305
• Online since: September 2015
• Authors: Han Qing Liu, Qingyuan Wang, Zhi Yong Huang*, Zhen Jie Teng
• Keywords: High-Cycle Fatigue, P-S-N Curve, Q345 Steel, Thermal Dissipation

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