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期刊论文
Temperature Field around Crack Tip in a Current-carrying Plate under the Repeated Action of Pulse Current
International Journal of Nonlinear Sciences and Numberical Simulation 4, 59-66, 2003,-0001,():
The electromagnetic field and temperature field around the tip of a finite crack in an infinite thin current-carrying plate under the repeated action of a pulse current is presented. The formula for calculating the temperature of the crack tip is also suggested and some examples for numerical calculation are enumerated. These examples show that if the intensity and times of the pulse current are properly adjusted, the crack tip could be melted and the welded joints be formed, and therefore the propagation of the crack would be prevented.
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