Solid-solution strengthening in steels due to interstitial nickel

[luven]

Hi,
I've been gathering informations about steels solid-solution stregthening and I read about Nickel atoms impacting this property. It turns out that although Nickel is forming insterstitial defects, strengthening is as small as with substitutional atoms (see chart). I couldn't find any clear explanations about that so maybe someone here can explain this phenomenon.
Thank you in advance for response.

 

[EdStainless]

What is that table? and What is the source?
Ni in Fe interstitial? When they are so similar.
Pure Ni is FCC, and pure Fe BCC. Put enough Ni into Fe and you will get FCC (about 7% min depending on what else is in there).

= = = = = = = = = = = = = = = = = = = =
P.E. Metallurgy, Plymouth Tube

 

[arunmrao]

Have you read Hume Rothery rules ?


"Even,if you are a minority of one, truth is the truth."

Mahatma Gandhi.