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首页> 外文会议>International Conference on Building Materials and Construction;International Conference on Materials Design and Applications >Investigation of Arc Bubble Affecting the Arc Stability and Improvement of Weld Appearances Using Bubble Constraint Device in Underwater Wet Welding
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Investigation of Arc Bubble Affecting the Arc Stability and Improvement of Weld Appearances Using Bubble Constraint Device in Underwater Wet Welding

机译：水下湿焊机中泡沫约束装置影响电弧稳定性的电弧泡沫的研究

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The generating, floating and collapsing of arc bubble is a special phenomenon in underwater flux-cored wet welding. The configuration changing process of bubble will change the stress on droplet and influence the droplet transfer process. In this study, the shape changing of bubble is captured in graphic and the real-time electric signal data is obtained. The impact of bubble floating and collapsing results in the globular repelled transfer mode, which also reduces the arc stability. A self-designed gas-shield cover is used as a bubble constraint device to improve the welding process stability and weld appearances by limiting the free floating and expansion of arc bubble. The relationships between the cover diameter and the characteristics of weld appearance are studied.
机译：电弧泡的产生，浮动和塌陷是水下磁通湿焊焊的特殊现象。 气泡的配置改变过程将改变液滴上的应力并影响液滴转移过程。 在该研究中，在图形中捕获气泡的形状改变，并且获得实时电信号数据。 气泡浮动和塌陷的影响导致球形驱动转移模式，这也降低了电弧稳定性。 一种自行设计的气体屏蔽盖用作气泡约束装置，通过限制弧泡的自由浮动和膨胀来改善焊接过程稳定性和焊接外观。 研究了盖子直径与焊接外观特性之间的关系。

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