The mean unit force of friction to a great degree depends on shearing of pressure welding bridges and conquering of ploughing resistance.

平均单位摩擦力基本上取决于切断压力焊接桥和克服耕犁阻力。

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The inertia friction welding process is a non-linear process because of the interaction between temperature field and material properties as well as friction force and thrust force.

焊接过程中的温度、材料热物性、摩擦力和顶锻压力的相互作用使焊接过程高度非线性。

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Three control modes have been worked out, such as time-control, deformation-control and power-peak control. Each model realizes automatic control in linear friction welding.

采用时间控制、变形量控制和功率峰值控制三种控制方式实现了焊接过程的自动控制。

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And,friction stir welding uses fewer workers at less cost than other methods.

VOA: special.2009.12.30

Friction stir welding is at least twice as strong and 20 times as fast as hand-riveting.

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