| 摘要 |
PURPOSE:To obtain a thruster having a film structure by forming a film consisting of a heat-resistant metal and ceramics on a mandrel and by removing the mandrel. CONSTITUTION:A heat-resistant metal such as Mo, Nb, Ta or W and ceramics such as zirconia or alumina are sprayed on a mandrel to form a film, and the mandrel is removed chemically and/or physically. By this method, a thruster having a film structure is obtd. |
