Meet the concept↗
The steel specimen used in the experiment has a diameter of 8 mm and a length of 40 mm, denoted as .
Conditions: The specimen is a cylindrical steel bar.; Surface oil is removed before exposure.
The steel specimen used in the experiment has a diameter of 8 mm and a length of 40 mm, denoted as .
Conditions: The specimen is a cylindrical steel bar.; Surface oil is removed before exposure.