Table 3 Mössbauer hyperfine parameters of the investigated CoCrFeNiNbx alloys (x = 0.25, 0.45, and 0.65) in the form of ingots and plates; IS – isomer shift, QS – quadrupole splitting, G – full line width at half maximum. Estimated errors are ± 0.01 mm/s for IS and G; for QS is ± 0.02 mm/s.
Sample | Form | IS [mm/s] | QS [mm/s] | G [mm/s] | Interpretation |
---|---|---|---|---|---|
CoCrFeNiNb0.25 | Ingot | −0.09 | 0.27 | 0.30 | (Fe, Co, Cr)2Nb |
−0.08 | - | 0.30 | FCC-Fe(Cr, Ni) | ||
Plate | −0.08 | 0.23 | 0.31 | (Fe, Co, Cr)2Nb | |
−0.08 | - | 0.31 | FCC-Fe(Cr, Ni) | ||
CoCrFeNiNb0.45 | Ingot | −0.12 | 0.19 | 0.38 | (Fe, Co, Cr)2Nb |
−0.06 | - | 0.38 | FCC-Fe(Cr, Ni) | ||
Plate | −0.08 | 0.35 | 0.29 | (Fe, Co, Cr)2Nb | |
−0.06 | - | 0.29 | FCC-Fe(Cr, Ni) | ||
CoCrFeNiNb0.65 | Ingot | −0.19 | 0.42 | 0.30 | (Fe, Co, Cr)2Nb |
−0.12 | - | 0.30 | FCC-Fe(Cr, Ni) | ||
0.20 | 0.36 | 0.30 | Nb(Fe) | ||
Plate | −0.17 | 0.41 | 0.32 | (Fe, Co, Cr)2Nb | |
−0.12 | - | 0.32 | FCC-Fe(Cr, Ni) | ||
0.22 | 0.37 | 0.32 | Nb(Fe) |