FRENZEL J,ZHANG Z,NEUKING K.High quality vacuum induction melting of small quantities of NiTi shape memory alloys in graphite crucibles[J].Journal of Alloys and Compounds,2004,385(1-2):214-223.
[5]
ZHANG Z,FRENZEL J,NEUKING K,et al.On the reaction between NiTi melts and crucible graphite during vacuum induction melting of NiTi shape memory alloys[J].Acta Materialia,2005,53(14):3971-3985.