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Aluminium evaporation during ceramic crucible induction melting of titanium alu...
Gomes, Fernando Manuel Duarte; Barbosa, J.; Ribeiro, Carlos SilvaMelting TiAl based alloys in ceramic crucibles often leads to chemical contamination, alloy heterogeneity and non-metallic inclusions. The severity of such phenomena usually depends on the nature of crucible materials, the melting stock composition and the melting parameters, namely superheating time and temperature and melting pressure. Among the referred drawbacks, Al loss during melting is a critical aspect,...
Evaluation of functionally graded ceramic crucible for induction melting of TiA...
Gomes, Fernando Manuel Duarte; Barbosa, J.; Ribeiro, Carlos SilvaDuring the last years a very significant effort to develop a melting crucible for induction melting of Ti based alloys at competitive cost has been carried out by many researchers, where the authors are included. Results obtained so far have shown that no material accomplishes the melting crucibles two main demands: inertness facing titanium alloys and suitable/enough thermal-shock resistance. Until now, yttriu...
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