Table 1 The deduced values of the characteristic temperatures (M s and T min ), transformation width (ΔT) of the B2 → R transition, the Fermi energy (E F ), and the enthalpy change (ΔH) during the martensitic transformation for the Ti50Ni50-x Fe x (x = 2.0–10.0) and Ti49Ni45Fe6 samples.

From: Characteristics of martensitic and strain-glass transitions of the Fe-substituted TiNi shape memory alloys probed by transport and thermal measurements

Sample

M s and T min (K) from the ρ(T)

ΔT (K) of the B2 → R transition from the ρ(T)

M s (K) from the S(T)

E F (eV)

ΔS (J/mole K)

ΔH (J/g)

Ti50Ni48Fe2

293.1

25.1

288.2

2.4

1.31

18.1

Ti50Ni47Fe3

285.5

27.2

280.4

3.9

1.37

17.3

Ti50Ni46Fe4

250.9

76.3

236.8

1.9

1.35

6.1

Ti50Ni44.5Fe5.5

225.6

77.9

205.0

2.2

1.28

3.6

Ti50Ni44Fe6

209.1

108.4

176.3

2.3

0.32

1.6

Ti49Ni45Fe6

123.5

2.4

Ti50Ni42Fe8

185.7

2.7

Ti50Ni40Fe10

142.0

3.2