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Behaviour of the electric arc in the VAR process

机译:VAR过程中电弧的行为

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摘要

The instrumentation of an industrial vacuum arc refining furnace (VAR process) has allowed for the first time to visualize the electric arc during the remelting of a zirconium alloy. This device, recording fast video observations in synchronization with the high frequency voltage changes of the arc, has been applied to the study of the behaviour of the arc and of the transfer mechanisms of the liquid metal to the ingot. Results are given for current densities of about 10 to 20 A/cm~2 and arc lengths smaller than 6 cm.
机译:工业真空电弧精炼炉(VAR工艺)的仪器首次使锆合金重熔过程中的电弧可视化。该设备与电弧的高频电压变化同步记录快速的视频观察结果,已被用于研究电弧的行为以及液态金属向铸锭的转移机理。给出的电流密度约为10至20 A / cm〜2,电弧长度小于6 cm。

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