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    • 47. 发明申请
    • SEQUENTIAL CASTING OF METALS HAVING THE SAME OR SIMILAR CO-EFFICIENTS OF CONTRACTION
    • 具有相同金属的顺序铸造或类似的合同效率
    • WO2009026671A1
    • 2009-03-05
    • PCT/CA2008/001182
    • 2008-06-23
    • NOVELIS INC.WAGSTAFF, Robert BruceBISCHOFF, Todd F.
    • WAGSTAFF, Robert BruceBISCHOFF, Todd F.
    • B22D7/02B22D15/00B22D15/04B22D27/04B22D7/00B22D7/06
    • B22D11/007
    • A method and apparatus is disclosed for casting metals in a DC mold to form an ingot or product having at least two layers formed by sequential solidification. The apparatus has at least one cooled divider wall at the entry end portion of the mold to divide the entry end portion into at least two feed chambers. Metal is fed to the chambers to form an inner layer and at least one outer layer. The divider wall has a metal-contacting surface for contacting the metal for the at least one outer layer, the surface being arranged at an angle sloping away from the metal for the outer layer in a downward direction. The angle is larger at the center of the divider wall compared to the angle adjacent to each longitudinal end thereof. The apparatus is suitable for co-casting metals having similar coefficients of contraction to minimize problems of adhesion between the layers of a resulting ingot or rolled products produced therefrom.
    • 公开了一种用于在DC模具中铸造金属以形成具有通过连续凝固形成的至少两层的锭或产品的方法和装置。 该装置在模具的入口端处具有至少一个冷却的分隔壁,以将入口端部分分成至少两个进料室。 将金属进料到室以形成内层和至少一个外层。 分隔壁具有用于接触用于至少一个外层的金属的金属接触表面,该表面布置成在向下的方向上以远离外层金属的方式倾斜。 与分隔壁的每个纵向端相邻的角度相比,分隔壁的中心处的角度较大。 该装置适合共铸具有相似收缩系数的金属,以最小化由此产生的铸锭或轧制产品的层之间的粘合问题。