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为研究真空—紫外辐照对空间材科的损伤,研制了真空—紫外辐照设备.介绍了设备的真空测试室,超高真空机组及紫外光源等部分的构成情况:以 L—600型溅射离子泵为主泵组成无油超高真空机组,工作压力为10~(-6)帕;卧式结构的真空测试室,设置了石英玻璃窗口,以满足样品辐照要求;特制的紫外光源可辐射200至300毫微米的远紫外谱线.最后介绍了用单向碳纤维材料板制备的试样所进行的紫外辐照、红外辐照和超高真空条件下的质量损失试验,并作了初步的试验结果分析.
In order to study the damage of vacuum-UV radiation to the space materials, a vacuum-UV irradiation equipment was developed.The composition of the vacuum testing chamber, ultra-high vacuum unit and UV light source of the equipment were introduced: Ion pump composed of the main pump oil-free ultra-high vacuum unit, the working pressure of 10 ~ (-6) Pa; horizontal structure of the vacuum test chamber, set the quartz glass window to meet the sample irradiation requirements; special ultraviolet light source Which can radiate the far UV spectrum of 200 to 300 nm.Finally, the UV, IR and mass loss experiments under ultra-high vacuum are introduced in the samples prepared by unidirectional CFRP, Preliminary test results analysis.