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@ARTICLE{Li:829829,
      author       = {Li, X. and Spatschek, Robert and F. Bottler and Schmitt, A.
                      and Heilmaier, M. and Stein, F.},
      title        = {{C}oarsening {K}inetics of {L}amellar {M}icrostructures:
                      {E}xperiments and {S}imulations on a {F}ully-{L}amellar
                      {F}e-{A}l {I}n {S}itu {C}omposite},
      journal      = {Acta materialia},
      volume       = {127},
      issn         = {1359-6454},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2017-03451},
      pages        = {230},
      year         = {2017},
      abstract     = {A very fine lamellar microstructure consisting of the
                      intermetallic phases FeAl and FeAl2 forms in binary Fe-Al
                      alloys due to the eutectoid reaction Fe5Al8 ↔ FeAl +
                      FeAl2, which takes place in the Al range between 56.0 and
                      64.4 $at.\%$ at 1095 °C. A fully lamellar microstructure is
                      obtained at the eutectoid composition 60.9 $at.\%$ Al. The
                      initial lamellar spacing λ0λ0 of as-cast material is 200
                      ± 40 nm. In this study, the kinetics of coarsening of the
                      FeAl + FeAl2 lamellar microstructure is investigated at four
                      different temperatures in the range 600 °C–1000 °C with
                      holding times from 10 min to 7000 h. It is found that the
                      increase of the lamellar spacing can be described as View
                      the MathML sourceλ3=λ03+kt. The value obtained for the
                      activation energy proves that the lamellar coarsening is a
                      volume-diffusion-controlled process. Besides the
                      experimental investigations, phase-field modeling is used to
                      simulate the lamellar coarsening. The results are in good
                      agreement with the experimental observations with regard to
                      the evolution of the lamellar morphology and the value of
                      the coarsening exponent.},
      cin          = {IEK-2},
      ddc          = {670},
      cid          = {I:(DE-Juel1)IEK-2-20101013},
      pnm          = {111 - Efficient and Flexible Power Plants (POF3-111)},
      pid          = {G:(DE-HGF)POF3-111},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000397362600023},
      doi          = {10.1016/j.actamat.2017.01.041},
      url          = {https://juser.fz-juelich.de/record/829829},
}