Table 2 Lattice constants, volume of the unit cells, and volume per atoms of Cu0 and other specimens with Cu addition (Data of Ti16.667Zr16.667Hf16.667Cu25Ni25, same composition as Cu25, published by Firstov et al.12 are included).

From: High-temperature martensitic transformation of CuNiHfTiZr high- entropy alloys

Specimen

a (Å)

b (Å)

c (Å)

β (°)

Volume (Å3)

Volume per Atom (Å3)

Cu0

3.146

4.086

5.061

107.06

62.200

15.550

Cu5

3.167

4.110

5.054

104.95

63.545

15.886

Cu15

3.159

4.118

4.947

102.75

63.922

15.981

Cu25 (B19′)

3.172

4.138

5.007

102.65

64.131

16.033

Cu25 (B2)

3.166

31.735

15.867

Ti16.667Zr16.667Hf16.667Cu25Ni25 (B19′)12

3.155

4.167

4.967

100.95

64.128

16.032

Ti16.667Zr16.667Hf16.667Cu25Ni25 (B2)12

3.167

31.783

15.892