caa a22 4500 388019581 CHVBK 20180307124920.0 cr unu---uuuuu 161130e199812 xx s 000 0 eng 10.1557/JMR.1998.0476 doi S0884291400046902 pii (NATIONALLICENCE)cambridge-10.1557/JMR.1998.0476 The crystallization and growth of AlB2 single crystal flakes in aluminum [Elektronische Daten] An in situ high temperature heat treatment was used to investigate the crystallization and growth behavior of AlB2 flakes in aluminum. Aluminum samples containing 1.8% boron were heated above the liquidus and then rapidly cooled through the Al(L) + AlB12 region to avoid the formation of AlB12 crystals. Subsequently, a homogeneous distribution of high aspect ratio AlB2 flakes crystallized upon holding below the peritectic transition temperature. Growth rate in the (a) and (c) dimensions increased during elevated hold temperatures below the peritectic transition temperature. Surprisingly, faster cooling rates from above the liquidus to room temperature resulted in thinner, wider flakes. Similar to graphite this phenomenon is believed to result from a need to accommodate a changing misfit strain energy between the solidifying aluminum and the growing AlB2 flakes. Copyright © Materials Research Society 1998 Deppisch C. Department of Materials Science and Engineering, University of Illinois, Urbana, Illinois 61801 Liu G. Department of Materials Science and Engineering, University of Illinois, Urbana, Illinois 61801 Hall A. Department of Materials Science and Engineering, University of Illinois, Urbana, Illinois 61801 Xu Y. Materials Research Laboratory, University of Illinois, Urbana, Illinois 61801 Zangvil A. Department of Materials Science and Engineering, and Materials Research Laboratory, University of Illinois, Urbana, Illinois 61801 Shang J. K. Department of Materials Science and Engineering, University of Illinois, Urbana, Illinois 6180 Economy J. Department of Materials Science and Engineering, University of Illinois, Urbana, Illinois 6180 Journal of Materials Research Cambridge University Press 13/12(1998-12), 3485-3498 0884-2914 13:12<3485 1998 13 JMR https://doi.org/10.1557/JMR.1998.0476 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1557/JMR.1998.0476 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Deppisch C. Department of Materials Science and Engineering, University of Illinois, Urbana, Illinois 61801 NATIONALLICENCE 700 1- Liu G. Department of Materials Science and Engineering, University of Illinois, Urbana, Illinois 61801 NATIONALLICENCE 700 1- Hall A. Department of Materials Science and Engineering, University of Illinois, Urbana, Illinois 61801 NATIONALLICENCE 700 1- Xu Y. Materials Research Laboratory, University of Illinois, Urbana, Illinois 61801 NATIONALLICENCE 700 1- Zangvil A. Department of Materials Science and Engineering, and Materials Research Laboratory, University of Illinois, Urbana, Illinois 61801 NATIONALLICENCE 700 1- Shang J. K. Department of Materials Science and Engineering, University of Illinois, Urbana, Illinois 6180 NATIONALLICENCE 700 1- Economy J. Department of Materials Science and Engineering, University of Illinois, Urbana, Illinois 6180 NATIONALLICENCE 773 0- Journal of Materials Research Cambridge University Press 13/12(1998-12), 3485-3498 0884-2914 13:12<3485 1998 13 JMR CC0 http://creativecommons.org/publicdomain/zero/1.0 nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-cambridge