Study on Stress-Magnetic Effect around Hole of Q-235 Carbon Steel under Static Tension Conditions
For flat plate of Q-235 Carbon Steel whose thickness is 4, 5 and 6mm, with the small hole that diameter is 3, 5 and 7 mm in the center and the load of 9, 18 and 27 KN at the both ends, the magnetic signal on the surface of the plate under the state of static tension conditions was detected by using CMT5305 and TSC-1M-4 test instruments. It is found that the magnetic signal on the surface of the sample is interrelated with stress concentration around the hole and diameter of the hole, while independent to thickness and load of the plate.
Linli Xu, Wenya Tian and Elwin Mao
Y. X. Zhang and T. Gulnar, "Study on Stress-Magnetic Effect around Hole of Q-235 Carbon Steel under Static Tension Conditions", Applied Mechanics and Materials, Vols. 80-81, pp. 76-80, 2011