Formation of the Fe23Zr6 phase in an Fe-Zr alloy Academic Article

abstract

• This study confirms the existence of Fe23Zr6 in an Fe-9.8 at.% Zr alloy. This phase forms from the -Fe + Fe2Zr eutectic during high temperature annealing. Previously, Fe23Zr6 formation was explained by simple diffusion of iron atoms into the Laves intermetallic; however, this mechanism does not explain the presence of -Zr within the Fe23Zr6 phase. We have proposed a two-step mechanism for Fe23Zr6 formation: Fe2Zr decomposes into Fe23Zr6 + -Zr, and -Zr reacts with -Fe to form more Fe23Zr6. The slow kinetics of Fe23Zr6 formation is due to its dependence on atomic diffusion through the intermetallic phases.

authors

• Mcdeavitt, Sean

published proceedings

• SCRIPTA MATERIALIA

author list (cited authors)

• Abraham, D. P., Richardson, J. W., & McDeavitt, S. M.

citation count

• 37

publication date

• July 1997

publisher

• Elsevier  Publisher

keywords

• 40 Engineering
• 4016 Materials Engineering
• 51 Physical Sciences

Digital Object Identifier (DOI)

• 10.1016/S1359-6462(97)00074-2

start page

• 239

end page

• 244

volume

• 37

issue

• 2

URL

• http%3A%2F%2Fdx.doi.org%2F10.1016%2Fs1359-6462%2897%2900074-2