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Effect of low level contamination on TiAl alloys studied by SIMS
Teodoro, O. M. N. D.; Barbosa, J.; Naia, M. Duarte; Moutinho, A. M. C.Titanium aluminides are a valuable alternative to superalloys in applications where the ratio resistance/density is important. Since the ordinary production routes lead to high final costs, an alternative might be the use of traditional casting techniques by induction melting of the alloy in a ceramic crucible and pouring into ceramic moulds, made by the investment casting process. However, due to the high reac...
Characterization of TiAl alloys by secondary Ion mass spectrometry
Barbosa, J.; Teodoro, O. M. N. D.; Ribeiro, Carlos Silva; Moutinho, A. M. C.; Monteiro, A. CaetanoTitanium aluminides are arising as a valuable alternative to superalloys in applications where the ratio resistance/density is important. Together with excellent mechanical and corrosion properties at high temperatures, such characteristics are very attractive for applications in the aeronautical, aerospace and automotive industries. However, the current high selling price, due to high costs of production and r...
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