Denitrogenation and desulphurization during vacuum induction melting refining Ni-base superalloy

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The denitrogenation and desulphurization behavior during vacuum induction melting (VIM) refining Ni-base superalloy using CaO crucible was studied. It has been found that the desulphurization process did not occur by only using CaO crucible. Combining wit
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