Parameter Corrections and Differences
Ni]Zr Binary system
[2007Tok] All parameters for the Ni-Zr system are taken from [2006Tok]. [2006Tok] Parameters for Ni3Zr, Ni10Zr7 and Ni11Zr9 in [1994Gho] were re-assessed. (In Japanese) Intermetallic phases involved: Ni5Zr, Ni7Zr2, Ni3Zr, Ni21Zr8, Ni10Zr7, Ni11Zr9, NiZr, NiZr2. [2006Abe] Parameters for solid phases are taken from [2002Zai]. The liquid is described by Associated solution model with the Ni2Zr associate. The glass transition is described by "Magnetic model" [2000Sha]. Intermetallic phases involved: Ni5Zr, Ni7Zr2, Ni21Zr8, Ni10Zr7, Ni11Zr9, NiZr, NiZr2. Kauzmann paradox occurs below about 300K due to the introduction of the glass transition. See the phase diagram. [1994Gho] At low temperatrues (below about 1000K), Ni5Zr and Ni7Zr2 phases decompose, and Ni3Zr takes over as pointed out by [2006Tok]. As G(Phase,Zr:Zr,Va) parameters are not listed in the appendix, they are indicated as UN_ASS parameters in the TDB/TCM files. Intermetallic phases involved: Ni5Zr, Ni7Zr2, Ni3Zr, Ni21Zr8, Ni10Zr7, Ni11Zr9, NiZr, NiZr2. [1985Sau] Since the lattice stabilities [Man. Lab. Database]could not be retrieved, in the TDB/TCM files, parameters from [Kaufman] were used, which gives simmilar results as seen in the phase diagram. It has not been confirmed if the lattice stabilities are different/same from those used in the [1985Sau]. The lattice stabilities from SGTE-Pure database are also listed in the TDB/TCM files. Misprints in the temperature dependent terms of the compounds are fixed. Intermetallic phases involved: Ni5Zr, Ni7Zr2, Ni21Zr8, Ni10Zr7, NiZr, NiZr2. Close
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