Table 3.

Detailed data (e.g., interfacial charge density, S/V, etc.) used in model calculations.

Sample	LCF	LCA
△φ (eV)	0.035	0.027
σ (1023/m2)	1.55	1.19
Percentage of pearlite (%)	0.2846	0.2445
Interfacial line (μm)	12,219	41,719
Matrix area (μm2)	164,899	174,143
S/V (106/m)	0.074	0.240
△φ/φinitial (%)	0.90	2.25
φPredicted (eV)	4.541a	4.601a
φMeasured (eV)	4.632	4.701

^aThe work function of iron is 4.5 eVs⁴⁸.