蓝宝石单晶(α-Al2O3)窗口材料服役于空间环境中将不可避免地受到各种不同射线及离子流的辐照作用,影响其使用性能.本文研究了蓝宝石单晶经不同剂量质子流、电子流以及综合流辐照后其表面粗糙度、透过率以及面形精度等光学性能和结构的变化.实验表明空间粒子辐照使蓝宝石表面粗糙度增大且具有剂量效应,其中综合流对表面粗糙度影响最大,质子次之,电子影响最小；UV-Vis-VIR及FTIR测试实验表明空间粒子辐照使蓝宝石透过率下降,在紫外波段下降最明显,且在不同波段范围内不同辐照粒子种类对蓝宝石单晶透过率的影响程度也不同；粒子辐照对面形精度的影响不明显.
参考文献
| [1] | W.G. Mao;Y.G. Shen;C. Lu .Deformation behavior and mechanical properties of polycrystalline and single crystal alumina during nanoindentation[J].Scripta materialia,2011(2):127-130. |
| [2] | H. Yin;D. S. Grummon;J. Lucas .Abrasion resistance and strength characteristics of [0001]sapphire fibers modified by 175 keV Mg~+ ion irradiation[J].Scripta materialia,1996(6):749-754. |
| [3] | 张雪平.热交换法生长c面取向大尺寸蓝宝石晶体的研究[J].人工晶体学报,2012(03):584-587. |
| [4] | Edward J. Haney;Ghatu Subhash .Static and dynamic indentation response of basal and prism plane sapphire[J].Journal of the European Ceramic Society,2011(9):1713-1721. |
| [5] | Garima Sharma;Apu Sarkar;Jalaj Varshney .Effect of irradiation on the microstructure and mechanical behavior of nanocrystalline nickel[J].Scripta materialia,2011(8):727-730. |
| [6] | C.L. Chen;K. Arakawa;J.-G. Lee;H. Mori .Electron-irradiation-induced phase transformation in alumina[J].Scripta materialia,2010(10):1013-1016. |
| [7] | 张海亮,张明福,左洪波,韩杰才,汪桂根,郭怀新.蓝宝石光学窗口辐照效应[J].南京航空航天大学学报,2009(04):500-504. |
| [8] | J.J. Sha;S. Ochiai;H. Okuda .Residual stresses in YAG phase in directionally solidified eutectic Al_2O_3/YAG ceramic composite estimated by X-ray diffraction[J].Journal of the European Ceramic Society,2008(12):2319-2324. |
| [9] | Xu CH;Zhang MF;Meng SH;Han JC;Wang GG;Zuo HB .Temperature field design, process analysis and control of SAPMAC method for the growth of large size sapphire crystals[J].Crystal Research and Technology: Journal of Experimental and Industrial Crystallography,2007(8):751-757. |
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