Study on Deterioration Characteristics of Low-Carbon Steel’s Mechanical Properties and Fracture Mechanism under Marine Engineering Environment

Table 2

Roughness characteristics of the sample surface under various loading conditions.

σa (MPa)	c
	20%	40%	60%	80%
0	= 1.0843	= 1.0944	= 1.1126	= 1.1304
80	= 1.0932	= 1.1046	= 1.1234	= 1.1418
160	= 1.1024	= 1.1138	= 1.1364	= 1.1526
240	= 1.1103	= 1.1229	= 1.1452	= 1.1648