Alloy

T_p

˚C

T_s

˚C

AlFeMnSi Intermetallic

Composition from SEM/EDS^a

Fe/Mn

Weight Ratio

Formula

Lattice Parameter (Å)

Al

Si

Fe

Mn

1

610

595

α_sc

56.90

10.69

3.45

28.95

0.12

Al_34.1FeMn_8.5Si_6.16

a = 12.648

2

655

640

α_bcc

58.20

10.24

9.77

21.80

0.45

Al_12.3FeMn_2.27Si_2.1

a = 12.603

3

679

664

α_bcc

57.93

10.07

18.61

13.38

1.39

Al_8.8Fe_1.36MnSi_1.47

a = 12.535

4

732

717

α_h

53.27

12.51

26.46

7.76

3.41

Al₁₄Fe_3.36MnSi_3.15

a = 12.39, c = 26.203

5

745

730

α_h

53.98

12.71

26.92

6.38

4.22

Al_17.2Fe_4.15MnSi_3.9

a = 12.359, c = 26.14