A thin Cu coating was deposited on both sides of AZ31 magnesium alloy to be joined to study the material flow in friction stir welding.
在AZ31镁合金待焊表面镀一层很薄的铜层来研究塑性材料的流动情况。
With the increase of the translation velocity of the pin, the flow of the material in friction stir welding becomes faster but the equivalent plastic strain decreases.
随着搅拌头平移速度的增加，垂直于焊缝方向上的截面上，等效塑性应变减小，但是材料的流动速度会随之增加。
The results show that the wavelet denoising method can effectively restrain the noise in friction and sudden unbalance signal, and reserve the fault character information in the signals.
结果表明：小波分析降噪方法能够有效抑制碰磨和突加不平衡信号中的噪声并保留故障特征信息。
If you step anywhere other than your big toe, you'll quickly feel a difference in friction andhave to make the necessary adjustment.
这样一旦用除大脚趾以外的任何部位踩点，你都会迅速感觉到摩擦力的不同然后要做出调整。
If you step anywhere other than your big toe, you'll quickly feel a difference in friction andhave to make the necessary adjustment.
这样一旦用除大脚趾以外的任何部位踩点，你都会迅速感觉到摩擦力的不同然后要做出调整。
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