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首页> 外文期刊>Transactions of the Japan society for aeronautical and space sciences >GHTA spot-welding experiments of aluminum and titanium plates under a simulated space environment
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GHTA spot-welding experiments of aluminum and titanium plates under a simulated space environment

机译：模拟空间环境下铝和钛板的GHTA点焊实验

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摘要

GHTA(Gas hollow Tungsten Arc) welding experiments were conducted under a simulated space environment that consists of vacuum and microgravity. A vacuum chamber for the experiments was placed in the aircraft cabin. Aluminum and titanium plates were employed as work pieces. The experiments prove that the arc discharge phenomena, The welding phenomena, and the microstructre of welded metal receive almost no effect from gravity. Moreover, it is Also demonstrated that the weld metal of the plate welded under the simulated space environment hangs down less than That of the plate welded on the ground.
机译：在由真空和微重力组成的模拟空间环境下进行了GHTA（气体空心钨极电弧）焊接实验。用于实验的真空室放置在飞机机舱中。铝和钛板用作工件。实验证明，电弧放电现象，焊接现象和焊接金属的微观结构几乎不受重力的影响。而且，还证明了在模拟空间环境下焊接的板的焊接金属的垂垂度小于在地面上焊接的板的垂线。

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