13 research outputs found

    Al-Co-Cr Isothermal section at 1273 K.

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    <p>Shown with phase equilibria data from Ishikawa et al. [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0121386#pone.0121386.ref013" target="_blank">13</a>]: 2-phase (ì—Ż), and 3-phase (▿). Experimental phase equilibria data from the present work: 2-phase (●), 3-phase (â–Č).</p

    Model parameters and functions for the ternary Al-Co-Cr system.

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    <p>Only A2, B2, and σ binary parameters are listed in full for their importance, all other binary parameters can be found in the respective binary Al-Co[<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0121386#pone.0121386.ref016" target="_blank">16</a>], Co-Cr[<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0121386#pone.0121386.ref017" target="_blank">17</a>], and Al-Cr[<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0121386#pone.0121386.ref020" target="_blank">20</a>] references as well as the attached database file. Parameters are in units of J/mol-formula.</p><p>Model parameters and functions for the ternary Al-Co-Cr system.</p

    Various properties of the Al, Co, Cr, and the end-members of B2 and σ.

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    <p>These properties are derived from the energy vs. volume curves using the 4-parameter Birch-Murnaghan EOS. <i>B</i><sub><i>0</i></sub> denotes the bulk modulus. The bulk modulus at room temperature of Al, Co, and Cr are also presented, as reported by Kittel [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0121386#pone.0121386.ref056" target="_blank">56</a>]. Other experimental temperatures are shown if known; reported 0 K values are extrapolated from low temperature data.</p><p>Various properties of the Al, Co, Cr, and the end-members of B2 and σ.</p

    Predicted A2 (a) and B2 (b) enthalpies of mixing.

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    <p>These calculations are based on 16-atom binary and 32/36-atom ternary SQS supercells at 0 K. Grey points in (a) represent distinct A2 SQS compositions and black points in (b) represent B2 SQS compositions. A color map is added to guide the reader in viewing the energy surface.</p

    Calculated enthalpies of mixing for solution A2 and B2.

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    <p>These calculations are based on binary and ternary SQS calculations at 0 K with references taken as bcc-A2 for Al, Co, and Cr.</p><p>Calculated enthalpies of mixing for solution A2 and B2.</p

    XRD analysis of selected alloy phase constitutions at 1273 K and 1373 K.

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    <p>Note that preferential orientations inherent to cast microstructures were still present after annealing. Specimens were rotated in-plane to ensure that all phases were detected.</p
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