| 摘要 |
PROBLEM TO BE SOLVED: To manufacture a protective member for alleviating impact of collision simply and with a low cost, wherein the protective member has complicated shape such as seamless, curved structure for forming a rounded shape, rib structure, or hollow structure, or the protective member is used for the outer shell of a missile. SOLUTION: The protective member alleviating impact of collision of the missile consists of a ceramic sintered compacts as the constitutional elements which are sintered after casting formation of ceramic fine particles. |
