From: Surface analytical approaches contributing to quality assurance during manufacture of functional interfaces
Sample
Zn
Fe
Mn
Cr
Ca
Si
Cl
S
P
O
N
C
Ti
Cu
SAE steel, as-received and cleaned
-
95.7
0.7
0.2
3.0
--
0.1
SAE steel, ground, 72Â h in air
96.8
0.4
1.7