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单词 Carbon Arc Welding
释义

Carbon Arc Welding

英语百科

Carbon arc welding

The patent for the arc welding method named Elektrogefest (

Carbon arc welding (CAW) is a process which produces coalescence of metals by heating them with an arc between a nonconsumable carbon (graphite) electrode and the work-piece. It was the first arc-welding process ever developed but is not used for many applications today, having been replaced by twin-carbon-arc welding and other variations. The purpose of arc welding is to form a bond between separate metals. In carbon-arc welding a carbon electrode is used to produce an electric arc between the electrode and the materials being bonded. This arc produces extreme temperatures in excess of 3,000 °C. At this temperature the separate metals form a bond and become welded together.

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