MECHANICAL PROPERTIES OF STEEL FOR FLOATING OFFSHORE PLATFORMS UNDER STATIC AND CYCLIC LOADING

被引：0
作者：
Ben, N. [1 ]
Vytyaz, O. Yu. [2 ]
Hrabovskyy, R. S. [2 ]
机构：
[1] Yancheng Polytech Coll, Yancheng, Peoples R China
[2] Ivano Frankivsk Natl Tech Univ Oil & Gas, Minist Educ & Sci Ukraine, Ivano Frankivsk, Ukraine
来源：
MATERIALS SCIENCE | 2024年
关键词：
Q420B steel; chemical composition of steel; mechanical properties; corrosive environment; fatigue test; S-N curves; FRACTURE;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The results of a set of experimental tests of Q420 steel samples with quality level Q420B are presented. The chemical composition of steel and its mechanical characteristics, indicated in the certificate for products and determined experimentally, were compared with the standard values in the certificate for products. The results of steel fatigue and corrosion-fatigue tests were analyzed. The S-N curves in air and artificial seawater were constructed, and the corresponding values of endurance limits at room temperature and at 0 degrees C were also determined. A significant influence of the corrosive environment on fatigue crack propagation rate in steel was established.
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页数：6
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