| 摘要 |
<p>The invention relates to a ceramic core for producing the inner cavities of a turbine blade by means of the lost-wax foundry technique, said ceramic core comprising at least two adjacent elements (6, 7) for creating two substantially parallel cavities for circulating the air for cooling said blade, said elements being separated from each other by a spacing for forming an inter-cavity wall, wherein a first element (6) is connected to the rest of the core by means of attachment elements (10), and a second element (7) is connected to a column base (8) for forming a cooling-air supply pipe, characterized in that said attachment elements (10) are exclusively located at the ends of the first element (6).</p> |
