CPC B22D 27/045 (2013.01) [B22D 21/025 (2013.01); C30B 11/14 (2013.01)] | 20 Claims |
1. A casting method comprising:
forming a seed, the seed having a first end and a second end, the forming including bending a seed precursor;
placing the seed second end in contact or spaced facing relation with a chill plate;
contacting the first end with molten material; and
cooling and solidifying the molten material so that a crystalline structure of the seed propagates into the solidifying material,
the forming further comprising:
reducing a thickness of the seed proximate the first end relative to a thickness of the seed proximate the second end, wherein the reducing is along an inner diameter face and an outer diameter face of the seed.
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