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Abstract：
The paper studied principle of arc produced heat in VPPA and analysed how welding parameters influence arc heat from physical properties of arc on Al alloy. It is shown that dissymmetrical electrode properties have great influence on produced heat of arc in positive and negative times. When Al alloy is used to be negative electrode, negative voltage produced more heat. Different parameters of welding current and lasting times are very important factors to produce heat in positive and negative times.
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Transactions of the China Welding Institution
ISSN： 0253-360X
Year： 2007
Issue： 12
Volume： 28
Page： 35-37,42
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SCOPUS Cited Count：
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 2
