In order to study the atomic oxygen corrosion of spacecraft materials in low earth orbit environment, an atomic oxygen simulator was established. In the simulator, a 2.45 GHz microwave source with maximum power of 600 W was launched into the circular cavity to generate ECR (electron cyclotron resonance) plasma. The oxygen ion beam moved onto a negatively biased Mo plate under the condition of symmetry magnetic mirror field confine, then was neutralized and reflected to form oxygen atom beam. The properties of plasma density, electron temperature, plasma space potential and ion incident energy were characterized. The atomic oxygen beam flux was calibrated by measuring the mass loss rate of Kapton during the atomic 5～30 eV and a cross section of φ80 mm could be obtained under the operating pressure of 10-1～10-3 Pa. Such a high flux source can provide accelerated simulation tests of materials and coatings for space applications.
参考文献
| [1] | SLKoontz;L J Legger;S L Rickman;C L Hakes, D T Bui, D E Hunton and J B Cross .[J].Journal of Spacecraft and Rockets,1995,32(03):475. |
| [2] | JCross;S L Koontz;D E Hunton .[J].Journal of Spacecraft and Rockets,1995,32(03):496. |
| [3] | MRRaddy .[J].Journal of Materials Science,1995,30:281. |
| [4] | SPackirisamy;D Schwan;M H Litt .[J].Journal of Materials Science,1995,30(02):308. |
| [5] | ShuwangDUO;Meishuan LI;Yaming ZHANG;ChuanweiYAN .[J].Corrosion Science and Protection Technology,2002,14:152. |
| [6] | JKaird .[J].Journal of Spacecraft and Rockets,1998,35(01):62. |
| [7] | E. Grossman;I. Gouzman;V. Viel-Inguimbert;M. Dinguirard .Modification of a 5-eV Atomic-Oxygen Laser Detonation Source[J].Journal of spacecraft and rockets,2003(1):110-113. |
| [8] | MNaddaf;V N Bhoraskar;A B Mandale;S R Sainkar and S V Bhoraskar .[J].Plasma Sources Science & Technology,2002,11(04):361. |
| [9] | JWCuthertson;W D Langer;R W Motley .[J].Journal of Nuclear Materials,1992,196-198:113. |
| [10] | Zhaoyuan Ning;Zhaoxing Ren .[J].Prog in Phys,1992,12(01):38. |
| [11] | JinsongZhang;Zhaoxing Ren;Rongqing Liang;Yifeng Sui and Wei Liu .[J].Plasma Science and Technology,2000,2(02):199. |
| [12] | NSakudo;K Hayashi;J Kawasaki;N Ikenaga and N Sakaguchi .[J].Nuclear Instruments and Methods in Physics Research B:Beam Interaction with Materials and Atoms,1998,136-138:793. |
| [13] | HuasunZHANG.Ion Source and Big Power Neutral Beam Source[M].北京:原子能出版社,1987:276. |
| [14] | Shuwang DUO,Meishuan LI,Yanchun ZHOU,Jingyu TONG,Gang SUN.Investigation of Surface Reaction and Degradation Mechanism of Kapton during Atomic Oxygen Exposure[J].材料科学技术学报（英文版）,2003(06):535-539. |
| [15] | EGrossman;Y Lifshitz;J T Wolan;C K Mount and G B Hoflund .[J].Journal of Spacecraft and Rockets,1999,36:75. |
| [16] | Aanks;S K Rutledge;K K de Groh;C R Stidham L Debauer and C M LaMoreeaux .[R].NASA Technol Memo,1995. |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%