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依据缺口试件变形的物理过程,提出在示波冲击曲线上确定V-Charpy试件韧带屈服载荷的割线法,既可获得较好的数值稳定性,又可使波形处理程序较为简单可靠。
According to the physical process of notched specimen deformation, the secant method to determine the yield load of the V-Charpy specimen on the oscillometric impact curve is proposed, which can not only obtain better numerical stability but also make the waveform processing procedure simple and reliable.