KONG Chui-zhou, GAO Xiao-qing, GUO Quan-gui, SONG Jin-ren, YANG Yu. The influence of hot-pressing temperature on the structure and properties of an organic modified nanoclay-reinforced carbon/carbon composite[J]. New Carbon Mater., 2015, 30(5): 451-458.
Citation: KONG Chui-zhou, GAO Xiao-qing, GUO Quan-gui, SONG Jin-ren, YANG Yu. The influence of hot-pressing temperature on the structure and properties of an organic modified nanoclay-reinforced carbon/carbon composite[J]. New Carbon Mater., 2015, 30(5): 451-458.

The influence of hot-pressing temperature on the structure and properties of an organic modified nanoclay-reinforced carbon/carbon composite

Funds: National Natural Science Foundation(51202267);Project Sponsored by the Scientific Research Foundation for the Returned Overseas Chinese Scholars,State Education Ministry.
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  • Received Date: May 09, 2015
  • Revised Date: September 28, 2015
  • Accepted Date: November 09, 2015
  • A 1D-carbon/carbon composite (C/C) with an organic- modified nanoclay filler was fabricated by hot-pressing and densification at temperatures of 1 000, 1 100, 1 200 and 1 300℃. The organic modified nanoclay was prepared by substituting ions between the layers of an inorganic clay with an organic quaternary ammonium salt. The thermal transformation of the nanoclay following the hot-pressing was investigated by X-ray diffraction and Raman spectroscopy and the effect of the transformation on the bulk density, porosity, thermal conductivity, flexural strength and modulus of the C/C were characterized. The microstructure of the specimens was observed by scanning electron microscopy. Results indicate that the hot-pressing temperature has a significant impact on the structure and properties of the nanoclay-reinforced C/C composite. The C/C composite with the nanoclay filler hot-pressed at 1 200℃ exhibited the best mechanical properties with a flexural strength of 230.1 MPa and modulus of 87.3 GPa. At this temperature, the nanoclay transformed into mullite, cristobalite, disordered nanoclay, ordered carbon and disordered carbon dispersed uniformly in the carbon matrix. This modified the structure of the carbon matrix and tightened the interface between the matrix and the fibers, thus increasing the mechanical properties of the C/C. Carbothermal reduction took place between SiO2 and the carbon matrix at 1 300℃, which damaged the matrix structure and decreased flexural strength and modulus of the composite. However, the presence of, the reaction product (SiC) increased the thermal conductivity.
  • Gajiwala H M, Vaidya U K, Sodah S A, et al. Hybridized resin matrix approach applied for development of carbon/carbon composites[J]. Carbon, 1998, 36(7):903-912.
    Schmidt D L, Davidson K E, Theibert L S. Unique applications of carbon/carbon composite materials[J]. SAMPE Journal, 1999, 35(3):27-39.
    Thielicke B. Mechanical properties of C/C composites[J]. Key Engineering Materials, 1998, 164:145-150.
    Upadhya K, Yang J M, Hoffman W. Advanced materials for ultrahigh temperature structural applications above 2000℃[J]. The American Ceramic Society Bulletin, 1997, 25(12):51-56.
    尹健,熊翔,张红波,等.固体火箭发动机喷管用 C/C复合材料的研究进展[J]. 材料导报, 2004, 18(4):46-48.(Yi J, Xiong X, Zhang H B. Research and development of C/C composites used for SRM[J]. Materials Review, 2004, 18(4):46-48.)
    Bansal D, Pillay S, Vaidya U. Nanographite-reinforced carbon/carbon composites[J]. Carbon, 2013, 55:233-244.
    Li X, Li K, Li H, et al. Microstructures and mechanical properties of carbon/carbon composites reinforced with carbon nanofibers/nanotubes produced in situ[J]. Carbon, 2007, 45(8):1662-1668.
    Lova Razafimahefa, Sabine Chlebicki, Isabelle Croman et al. Effect of nanoclay on the dying ability of PA6 nano-composite fibers[J]. Dyes and Pigments, 2005, 66(1):55-60.
    Koo J H, Stretz H, Weispfenning J T, et al. Nanocomposite rocket ablative materials:processing, microstructure, and performance[C]. Proceedings of the AIAA/ASME/ASCE/ AHS/ASC Structures. Structural Dynamics and Materials Conference. 2004:5090-5104.
    Seo W J, Sung Y T, Han S J, et al. Synthesis and properties of polyurethane/clay nanocomposite by clay modified with polymeric methane diisocyanate[J]. Journal of Applied Polymer Science, 2006, 101(5):2879-2883.
    Song M, Xia H S, Yao K J, et al. A study on phase morphology and surface properties of polyurethane/organoclay nanocomposite[J]. European Polymer Journal, 2005, 41(2):259- 266.
    Koo J H, Pilato L A, Winzek P, et al. Thermo-oxidative studies of nanomodified carbon/carbon composites[C]. Proceeding of the International SAMPE, 2004, Symposium and Exhibition. 2004.
    Wang A, Gao X, Giese Jr R F, et al. A ceramic carbon hybrid as a high-temperature structural monolith and reinforcing filler and binder for carbon/carbon composites[J]. Carbon, 2013, 59:76-92.
    Gao Xiaoqing, Wang Shoukai, Deborah D L chung. Strengthening and toughening carbon/carbon composite by use of filllers[C]. Carbon 2011, Shanghai, China.
    Deborah D L chung, Gao Xiaoqing. Carbon-matrix composite materials comprising a complex and method of making. USA Inventor Docket NO.:DC201102.
    Schneider H, Schreuer J, Hildmann B. Structure and properties of mullite-a review[J]. Journal of the European Ceramic Society, 2008, 28(2):329-344.
    张福勤,黄启忠,黄伯云,等.炭/炭复合材料石墨化度的拉曼光谱表征[J]. 无机材料学报, 2003, 16(3):361- 365.(Zhang Fuqin, Huang Qizhong, Huang Baoyun, et al. Characterization of graphitization degree of C/C composites by Laser Raman micro spectroscopy[J]. Journal of Inorganic Materials, 2003, 16(3):361-365.)
    Michalowski J, Mikociak D, Konsztowicz K J, et al. Mechanical properties of C/C composites processed by wet impregnation and P-CVI methods[J]. Journal of Materials Science, 2011, 46(16):5587-5594.

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