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Fundamental research on refinement of solidification structure of metals with pulse current
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作者 范金辉 《Journal of Shanghai University(English Edition)》 CAS 2006年第5期471-472,共2页
A high-energy pulse power source applied for studying solidifieation of metals and a Rogowski coil for measuring strong pulse current were developed according to the requirement of the present experiment. The variatio... A high-energy pulse power source applied for studying solidifieation of metals and a Rogowski coil for measuring strong pulse current were developed according to the requirement of the present experiment. The variation of electrical current during the discharge of pulse power source was analyzed. Furthermore, the quantitative relation between peak current, pulse width and pulse frequency etc. versus voltage, capacitance and transmission line of discharging circuit was examined. 展开更多
关键词 pulse current SOLIDIFICATION grain refinemrs pure aluminum aostenitic stainless steel gray cast iron.
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