procedures such as crushing, gravitational separation are carried out to extract tantalum fro, tantalite. welding of tantalum must be done in an inert atmosphere where argon and helium are present. tantalum is extremely ductile in annealed condition and can be readily formed into sheets and plates....
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. the actual stress levels and wave shapes occurring in an hvdc cable system differ from standard test parameters. in this paper, a set of parameters is derived based on the analysis of occurring transients utilizing electromagnetic transient (emt) simulations. since the stress levels depend on both...
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