采用环氧聚氨酯(EPU)和铝(Al)分别作为粘合剂和填料制备低红外发射率涂层.EPU/Al复合涂层的力学性能通过耐冲击强度实验进行了测试.我们发现,力学性能随着加热温度的升高和时间的延长而下降,涂层的最高耐受温度为573K.此外,采用Arrhenius关系计算了低红外发射率EPU/Al复合涂层在不同马赫数下冲击强度下降至某一水平的力学寿命.与观测数据相比,计算结果验证了模型预测的有效性.目前的工作表明,低红外发射率EPU/Al复合涂层表现出良好的力学寿命,Arrhenius关系是有效的并在工程应用方面表现出潜力.
参考文献
| [1] | R. Liu;C. Ji;J.J. Mock;J.Y. Chin;T.J. Cui;D.R. Smith .Broadband Ground-plane Cloak[J].Science,2009(5912):366-369. |
| [2] | Chen Hu;Guoyue Xu;Xingmei Shen .Preparation and characteristics of thermal resistance polysiloxane/Al composite coatings with low infrared emissivity[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2009(1/2):371-375. |
| [3] | Zhang F Y;Zhou Y M;Cao Y et al.Preparation and characterization of KGM/CdS nanocomposite film with low infrared emissivity[J].Materials Letters,2007,61:4811-4814. |
| [4] | Kan-Sen Chou;Yu-Chieh Lu .The application of nanosized silver colloids in far infrared low-emissive coating[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2007(18):7217-7221. |
| [5] | Ando, E;Miyazaki, M .Durability of doped zinc oxide/silver/doped zinc oxide low emissivity coatings in humid environment[J].Thin Solid Films,2008(14):4574-4577. |
| [6] | An application of Au thin-film emissivity barrier on Ni alloy[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2008(5 Pt.2):2619. |
| [7] | Huijuan Yu;Guoyue Xu;Xingmei Shen .Preparation of leafing Cu and its application in low infrared emissivity coatings[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2009(1/2):395-399. |
| [8] | Yan X X;Xu G Y .Corrosion and mechanical properties of polyurethane/A1 composite coatings with low infrared emissivity[J].Journal of Alloys and Compounds,2010,491:649-653. |
| [9] | Voracek J .Prediction of mechanical properties of cast irons[J].ApplSoft Comput,2001,1:119-125. |
| [10] | Zhai L L;Ling G P;Wang Y W .Effect of nano-Al2O3 on adhesion strength of epoxy adhesive and steel[J].International Journal of Adhesion and Adhesives,2008,28:23-28. |
| [11] | Strzelec K;Pospiech P .Improvement of mechanical properties and electrical conductivity of polythiourethane-modified epoxy coatings filled with aluminium powder[J].Progress in Organic Coatings: An International Review Journal,2008(1):133-138. |
| [12] | Shevchuk P;Galapats B;Shevchuk V .Mathematical modelling of ageing and lifetime prediction of lacquer-paint coatings in sea water[J].IntJ Eng Sci,2000,38:1869-1894. |
| [13] | Colin X;Audouin L;Verdu J et al.Aging of polyethylene pipes transporting drinking water disinfected by chlorine dioxide.part Ⅱ-lifetime prediction[J].Polymer Engineering and Science,2009,49:1642-1652. |
| [14] | M. Celina;K.T. Gillen;R.A. Assink .Accelerated aging and lifetime prediction: Review of non-Arrhenius behaviour due to two competing processes[J].Polymer Degradation and Stability,2005(3):395-404. |
| [15] | P.W. Shum;Z.F. Zhou;K.Y. Li;C.Y. Chan .Mechanical and tribological properties of amorphous carbon films deposited on implanted steel substrates[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2004(1/2):203-211. |
| [16] | S.M. Ghoreishi;S. Komeili .Modeling of fluorinated tetraphenylporphyrin nanoparticles size design via rapid expansion of supercritical solution[J].The Journal of Supercritical Fluids,2009(2):183-192. |
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%