《Table 1 Experimental scheme for UPF process》

《Table 1 Experimental scheme for UPF process》   提示:宽带有限、当前游客访问压缩模式
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《预应力超声喷丸参数对板材弯曲曲率及球面变形的影响(英文)》


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The experiment material was aluminum alloy2024-T351 and its size was 120 mm(length)×50 mm(width).The area of 80 mm×50 mm in the middle of the plate was set to be ultrasonic peening area.As the UPF process is affected by many factors,the effects of forming parameters(such as peening trajectory,prebending curvature,velocity of firing pin,thickness of plate and offset distance)on forming curvature were studied by variable control method,as shown in Table 1.The variation for velocity of firing pin can be achieved by adjusting the amplitude of the amplitude amplifier,as shown in Eq.(8):