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首页> 外文期刊>Journal of Materials Science >Electrical and magnetic techniques for monitoring arc behaviour during VAR of INCONEL1 718: Results from different operating conditions
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Electrical and magnetic techniques for monitoring arc behaviour during VAR of INCONEL1 718: Results from different operating conditions

机译:用于在INCONEL1 718的VAR期间监视电弧行为的电磁技术:来自不同工作条件的结果

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摘要

Novel instrumentation and computer modelling are described which have been developed to detect and interpret current flows and magnetic fields during VAR. Results from different operating conditions during VAR of 20" diameter ingots of INCONEL 718 at Special Metals Wiggin Ltd., Hereford are presented and discussed with reference to macrostructural findings. It is shown that the results support the viability of the measurement techniques, and that the techniques are capable of detecting subtle changes in arc behaviour. Freckles were formed under one set of experimental conditions, and it is shown that the distribution of the radial location of the arc centre (obtained from the magnetic field analysis) may help to explain this. (C) 2004 Kluwer Academic Publishers
机译:描述了新颖的仪器和计算机建模,这些仪器和计算机建模已开发用于检测和解释VAR期间的电流和磁场。参照宏观结构的发现,介绍和讨论了在赫里福德的Special Metals Wiggin Ltd.的INCONEL 718的20“直径锭的VAR的不同操作条件下得出的结果。结果表明,这些结果支持测量技术的可行性,并且在一组实验条件下形成了雀斑,这表明电弧中心的径向位置分布(从磁场分析中获得)可能有助于解释这一点。 (C)2004年Kluwer学术出版社

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