采用空间综合辐照模拟设备研究了纳来TiO2对真空紫外辐照下MQ硅树脂增强硅橡胶的质损及热性能的影响.试验结果表明,真空紫外辐照后,硅橡胶会产生质量损失,其质损率随着辐照剂量的增加而增加;真空紫外辐照后硅橡胶的热稳定性随着辐照剂量的增加先增加而后下降;硅橡胶材料的体膨胀/收缩变形变化则随辐照剂量的增加而变化不大.添加纳米TiO2的硅橡胶与未改性硅橡胶相比,经过相同剂量的真空紫外辐照后,质损率增加、耐热性以及体膨胀/收缩率变化的程度均降低,表现出明显的抗辐照性能.
参考文献
| [1] | Kwang--Bok Shin;Chun-Gon Kim;Chang--Sun Hong .Prediction of failure thermal cycles in graphite/epoxy composite materials under simulated low earth orbit environments[J].Composites, Part B. Engineering,2000(3):223-235. |
| [2] | E. Grossman;I. Gouzman .Space environment effects on polymers in low earth orbit[J].Nuclear Instruments and Methods in Physics Research, Section B. Beam Interactions with Materials and Atoms,2003(0):48-57. |
| [3] | V.T. BECHEL;R.Y. KIM .Damage trends in cryogenically cycled carbon/polymer composites[J].Composites science and technology,2004(12):1773-1784. |
| [4] | Lixiang Jiang;Shiyu He;Dezhuang Yang .Resistance to vacuum ultraviolet irradiation of nano-TiO_2 modified carbon/epoxy composites[J].Journal of Materials Research,2003(3):654-658. |
| [5] | Di MW;He SY;Li RQ;Yang DZ .Resistance to proton radiation of nano-TiO2 modified silicone rubber[J].Nuclear Instruments and Methods in Physics Research, Section B. Beam Interactions with Materials and Atoms,2006(2):212-218. |
| [6] | 邸明伟,张丽新,何世禹,杨德庄.纳米二氧化钛对质子辐照下MQ增强硅橡胶力学性能的影响[J].高分子材料科学与工程,2006(04):122-125. |
| [7] | 邸明伟,张丽新,何世禹,杨德庄.纳米二氧化钛对质子辐照下MQ增强硅橡胶热性能的影响[J].材料工程,2006(07):31-34. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%