Based on the metal melt and vaporized interface 2d propagation mechanism, this paper founds the pulsed laser welding model.

基于金属材料熔化、汽化界面二维扩展机制建立了脉冲激光的焊接模型。

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Different from the traditional active metal brazing, RAB uses a liquid-phase oxide-metal melt at high temperature and the process does not require a vacuum or inert atmosphere.

与传统的活性金属钎焊不同，它采用的是一种高温下形成液相的氧化物-金属钎料，并且钎焊过程不需要真空或惰性气氛保护。

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Melt chocolate and butter in a metal bowl set over a saucepan of barely simmering water. Avoid stirring.

巧克力和黄油放在金属小碗中，置于平底锅中热水慢慢化开。避免搅动。

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Liquid metal. Solid metals melt and become a liquid metal like mercury.

液态金属，固态金属熔化,形成一种像水银一样的液态金属。

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No one would ever redeem the silver certificates for the metal because of this negative difference between the face value and melt value.

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But then they would melt down the old and reissue them debauched with increasing portions of less precious metal alloys.

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