| 摘要 |
<p>The present invention includes a step of cooling a molten metal within a fine space (21) present in the inside of an object (2) and hardening it while applying an external force for pressurizing the object (2) set on a support member (3) and the molten metal (41) within the fine space (21). The external force is given by at least one member selected among a pressing pressure, an injection pressure, a rolling compaction and a gass pressure.</p> |
