Table 1.

Electron Probe analysis of S1235.

	d-QC	B2 cubic phase 1	B2 cubic phase 2	Al9Ni2
n	8	6	6	5
Weight percent
Al	56.2 ± 0.7	45.3 ± 0.6	31.0 ± 0.5	63.9 ± 0.6
Fe	6.8 ± 0.5	6.8 ± 0.5	9.6 ± 0.5	6.1 ± 0.4
Cu	3.2 ± 0.6	3.3 ± 0.5	3.0 ± 0.5	1.5 ± 0.4
Cr	nd	nd	0.16 ± 0.08	nd
Ni	32.2 ± 1.1	44.2 ± 1.1	49.9 ± 1.1	23.0 ± 0.7
Mo	1.0 ± 0.3	1.3 ± 0.3	2.9 ± 0.3	0.9 ± 0.2
Mn	0.4 ± 0.3	0.4 ± 0.3	0.6 ± 0.3	0.5 ± 0.3
Mg	0.4 ± 0.1	0.3 ± 0.1	0.3 ± 0.1	0.40 ± 0.04
Si	nd	nd	0.14 ± 0.06	nd
Total	100.3	101.7	97.4	96.3
Normalized atomic percent
Al	73.3 ± 0.9	63.5 ± 0.8	50.4 ± 0.8	80.8 ± 0.7
Fe	4.3 ± 0.3	4.7 ± 0.3	7.6 ± 0.4	3.8 ± 0.3
Cu	1.8 ± 0.3	2.0 ± 0.3	2.1 ± 0.3	0.8 ± 0.2
Cr	nd	nd	0.14 ± 0.06	nd
Ni	19.3 ± 0.7	28.5 ± 0.7	37.4 ± 0.9	13.4 ± 0.4
Mo	0.4 ± 0.1	0.5 ± 0.1	1.3 ± 0.1	0.3 ± 0.1
Mn	0.3 ± 0.2	0.2 ± 0.2	0.4 ± 0.2	0.3 ± 0.2
Mg	0.6 ± 0.1	0.4 ± 0.1	0.5 ± 0.1	0.56 ± 0.06
Si	nd	nd	0.22 ± 0.10	nd