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Funct. Mater. 2018; 25 (4): 829-834.

doi:https://doi.org/10.15407/fm25.04.829

Investigation of corrosion fatigue cracks of steel under wetting and drying conditions

Lihua Liang

Qingdao Technical College, No. 369, Qiantangjiang Road, Huangdao district, Qingdao, Shandong 266555, China

Abstract: 

The results demonstrated that dry/wet ratio and loading frequency could significantly affect the growth rate of the corrosion fatigue cracks of steel structure. The effects of dry/wet ratio on the growth rate of cracks became smaller with the increase of the amplitude of stress intensity factor under the same loading frequency. The effects of dry/wet ratio on the growth rate of cracks became smaller with the increase of loading frequency under the same dry/wet ratio.

Keywords: 
corrosion fatigue, D36 steel, dry/wet ratio, crack growth.
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