采用溶剂法和热熔法制备了不同有机黏土质量分数的有机黏土/聚醚砜(PES)-环氧复合材料，通过对其微观形态和力学性能的研究，揭示了复合材料的增韧机制。在有机黏土/PES-环氧复合材料中添加 T800H (12K)碳纤维，制备了T800H-有机黏土/PES-环氧复合材料预浸料单向带，采用热压罐工艺制备了复合材料单向板，对其 I型、II型层间断裂韧性进行了研究。结果表明：T800H-有机黏土/PES-环氧复合材料的层间断裂韧性随有机黏土质量分数变化趋势与有机黏土/PES-环氧复合材料的断裂韧性趋势一致，证明了增韧机制的正确性。
Organoclay/polyethersulfone(PES)-epoxy composites with different organoclay mass fractions were fab-ricated by solvent method and melting method.The microstructures and mechanical properties of the composites were studied.The toughening mechanisms of composites were revealed.T800H-organoclay/PES-epoxy composite prepreg unidirectional tape was prepared by adding T800H(12K)carbon fiber into organoclay/PES-epoxy compos-ites.Composite unidirectional laminates were prepared with autoclave process.The mode I and mode II interlaminar fracture toughness of T800H-organoclay/PES-epoxy composites were studied.Results show that the interlaminar fracture toughness of T800H-organoclay/PES-epoxy composites and organoclay/PES-epoxy composites incorporated with organoclay mass fraction show similar trends,which supportes the proposed toughening mechanism.
参考文献
| [1] | Isik I.;Yilmazer U.;Bayram G..Impact modified epoxy/montmorillonite nanocomposites: synthesis and characterization[J].Polymer: The International Journal for the Science and Technology of Polymers,200320(20):6371-6377. |
| [2] | Huang XY.;Brittain WJ.;Vaia RA.;Lewis S..Synthesis of polycarbonate-layered silicate nanocomposites via cyclic oligomers[J].Macromolecules,20006(6):2000-2004. |
| [3] | Weipmg Liu;Suong V. Hoa;Martin Pugh.Organoclay-modified high performance epoxy nanocomposites[J].Composites science and technology,20052(2):307-316. |
| [4] | Erik T. Thostenson;C. Li;Tsu-Wei Chou.Nanocomposites in context[J].Composites science and technology,20053/4(3/4):491-516. |
| [5] | Alexandre M.;Dubois P..Polymer-layered silicate nanocomposites: preparation, properties and uses of a new class of materials [Review][J].Materials Science & Engineering, R. Reports: A Review Journal,20001/2(1/2):1-63. |
| [6] | 秦浩;王洋;孟姗姗;张博明.多壁碳纳米管/聚醚砜-环氧树脂复合材料的制备及力学性能[J].复合材料学报,2014(4):931-936. |
| [7] | JONGHWI LEE;ALBERT F.YEE.Micro-Mechanical Deformation Mechanisms in the Frature of Hybrid-Particulate Composites Based on Glass Beads, Rubber and Epoxies[J].Polymer engineering and science,200012(12):2457-2470. |
| [8] | Asif A;Leena K;Rao VL;Ninan KN.Hydroxyl terminated poly(ether ether ketone) with pendant methyl group-toughened epoxy clay ternary nanocomposites: Preparation, morphology, and thermomechanical properties[J].Journal of Applied Polymer Science,20075(5):2936-2946. |
| [9] | D.Ratna;O.Becker;G.P.Simon;R.J.Varley.Nanocomposites based on a combination of epoxy resin,hyperbranched epoxy and a layered silicate[J].Polymer: The International Journal for the Science and Technology of Polymers,200324(24):7449-7457. |
| [10] | Park JH.;Jana SC..The relationship between nano- and micro-structures and mechanical properties in PMMA-epoxy-nanoclay composites[J].Polymer: The International Journal for the Science and Technology of Polymers,20037(7):2091-2100. |
| [11] | S. Sanchez-Saez;E. Barbero;R. Zaera;C. Navarro.Compression after impact of thin composite laminates[J].Composites science and technology,200513(13):1911-1919. |
| [12] | Boo WJ;Sun LY;Liu J;Moghbelli E;Clearfield A;Sue HJ;Pham H;Verghese N.Effect of nanoplatelet dispersion on mechanical behavior of polymer nanocomposites[J].Journal of Polymer Science, Part B. Polymer Physics,200712(12):1459-1469. |
| [13] | L. S. SIGL.MICROCRACK TOUGHENING IN BRITTLE MATERIALS CONTAINING WEAK AND STRONG INTERFACES[J].Acta materialia,19969(9):3599-3609. |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%