| 摘要 |
The invention concerns a unit comprising a mould (4) adapted to receive a molten metal alloy and the said metal alloy poured therein. The alloy is TiAl. The mould is rotational and comprises receiving recesses (135) made of steel, metal alloy and/or ceramic, and, at the location of a plurality of section planes each passing through the mould and the poured metal alloy, the mould has a surface heat capacity less than that of the poured metal alloy, |
