Parameters

Phase

Value

Unit

Transformation Temperatures

Martensite (Mf, Ms)

68, 78

˚C

Austenite (Af, As)

88, 98

Thermal Conductivity (k)

Martensite

8

W/(m ˚C)

Austenite

18

Coefficient of thermal expansion (α)

Martensite

6.6 × 106

1/˚C

Austenite

11 × 10−6

Specific Heat (Cp)

840

J/(kg ˚C)

Density (ρ)

6450

kg/m3

Electrical Resistivity

Martensite

80 × 10−8

Ωm

Austenite

100 × 10−8

Resistivity temperature coefficient

Martensite

1.94 × 10−4

1/˚C

Austenite

5.07 × 10−4

Young’s Modulus (E)

Martensite (EM)

28 - 41

GPa

Austenite (EA)

75 - 83

Resistance

50

Ω

Emissivity

0.4

Poison’s Ratio

0.33