以3种不同粒度的活性Ti粉制备Ti-Mo吸气剂. 研究了Ti粉粒度及烧结温度对吸气剂性能的影响. 对样品进行了表面形貌的观察和比表面积、孔隙度的测试, 分析了粒度影响Ti-Mo吸气剂性能的原因. 结果表明, 活性Ti粉的粒度影响吸气剂的比表面积和孔隙度, 从而影响Ti-Mo吸气剂的吸气性能. Ti粉粒度过大或过小, 制备的Ti-Mo吸气剂的孔隙度和比表面积均较低, 吸气性能较差;平均粒度适中的Ti粉制备的吸气剂孔隙度和比表面积均较高, 吸气性能最佳.
参考文献
| [1] | Boffito C;Ferrario B;Della Porta P;Rosai L .A nonevaporable low temperature activatable getter material[J].Journal of Vacuum Science and Technology,1981,18(03):1117. |
| [2] | Spasskova N I;Ukolov S I .Hydrogen sorption by nonevaporable getters based on Ti and Zr[J].Vacuum,1993,44(5-7):737. |
| [3] | Watkins .Display device with grille having getter material[P].US 5931713,1999. |
| [4] | Conte .Process for producing high-porosity non-evaporable getter materials and materials thus obtained[P].US 5908579,1999. |
| [5] | Conte .Process for producing high-porosity non-evaporable getter materials[P].US 6027986,2000. |
| [6] | Boffito C;Doni F;Rosai L .The properties of some zirconium-based gettering alloys for hydrogen isotope storage and purification[J].Journal of the Less-Common Metals,1984,104(01):149. |
| [7] | Heyder R;Watson L;Jackson R;Kruege G Conte A .Getters for reliable hermetic packages[J].Solid State Technology,1996,8(01):71. |
| [8] | Benvenuti C;Chiggiato P .Obtention of pressures in the 10-14 torr range by means of a Zr-V-Fe non evaporable getter[J].Vacuum,1993,44(5-7):511. |
| [9] | ZHOU Hong-guo,WEI Xiu-ying,MAO Chang-hui,XIONG Yu-hua,QIN Guang-rong.Effects of Mo on the Microstructure and Hydrogen Sorption Properties of Ti-Mo Getters[J].中国航空学报(英文版),2007(02):172-176. |
| [10] | 诸玉华 .吸气剂的吸气性能测试[R].南京:南京工学院资料室,1979. |
| [11] | 尉秀英;秦光荣 .宽程激活温度室温吸气剂吸气性能研究[J].稀有金属,1996,20(01):13. |
| [12] | 万玉金.吸气剂[M].南京:江苏科学技术出版社,1983:9. |
| [13] | 果世驹.粉末烧结理论[M].北京:冶金工业出版社,1998:11. |
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