fusion welding

Because of high thermal conductivity, welding of copper and its alloys is usually difficult by conventional fusion welding processes. The heat input required is much higher than that in almost other materials, and the welding speed is quite low.

由于铜及其合金具有很高的导热系数，使用传统的熔焊方法焊接通常是很困难的，焊接过程中需要很高的能量输入，而且焊接速度较低。

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Thereford, the butt fusion welding machine based on 80 C 196 chip microprocessor is developed by Tianjin University.

研制了基于80C196单片机控制的塑料压力管道热熔对接焊机.

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The characteristic of titanium and steel direct fusion welding, microstructure and phase composition of the welds are analyzed, the mechanism of brittle crack in titanium-steel fusion welds is discussed and approaches to join the titanium and steel are proposed.

分析了钛钢直接熔焊的焊接特点，焊缝的组织和相组成，论述了钛钢熔焊焊缝脆裂的机理，提出了钛钢焊接的途径。

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Heat and time adjustment of spot welding process are made through the best fusion arithmetic adapting combined, average and decision making methods.

采用结合法、平均法和决策法相结合的最优融合算法，实现了点焊过程热量调节和时间调节。

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Numerical Simulation on Residual Stress Fields and Temperature Fields of Weld Joint in the Process of Fusion Welding

熔化焊焊接接头的温度场和应力数值模拟剂油短时接触催化裂化工艺及催化剂

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Design of butt-fusion welding machine controller based on ARM

基于ARM嵌入式热熔焊接机智能控制器的设计

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Because of the high activeness of the titanium alloys, the inert gases or vacuum shielding is needed in fusion welding.

由于钛合金的活性强，熔化焊时需要用惰性气体或真空进行保护。

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Ultrasonic plastic welding ( UPW) is a cost-effective, efficient and clean fusion bonding technique of TPC ( Thermal Plastic Composites), and of great value in application.

超声波塑料焊接是一种经济、高效、环保的热塑性塑料连接新工艺，有极大的推广应用前景。

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