Table 1 Mechanical properties and precipitate parameters for the low and high nickel alloys (LNiS and HNiS) for both the solid solution (SS) and after aging for 10 h at 500°C in vacuum (A10 h). A 2000 h denotes a high nickel alloy after aging for 2000 h at 500°C

From: A nanoscale co-precipitation approach for property enhancement of Fe-base alloys

 

Aging condition

Hardness (VPN)

Elongation to failure%

YS MPa

UTS MPa

Radius Cu nm

Radius Ni nm

Number density 1024 m-3

HNiS (4 wt.% Ni)

SS

282 ± 6

19

741

849

N/A

N/A

N/A

 

A10 h

462 ± 7

16

1363

1457

1.3 ± 0.18

1.6 ± 0.34

3.6

 

A2000 h

N/A

N/A

N/A

N/A

2.5 ± 1

5 ± 3

0.1

LNiS (2.5 wt.% Ni)

SS

271 ± 5

18

734

829

N/A

N/A

N/A

 

A10 h

391 ± 6

16.5

1168

1266

1.3 ± 0.25

1.3 ± 0.32

3.6

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