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首页> 外文期刊>Journal of Wood Chemistry and Technology >Control of Porosity and Permeability of Wood by Fungi Action for Biotemplating of SiC
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Control of Porosity and Permeability of Wood by Fungi Action for Biotemplating of SiC

机译：通过真菌作用控制SiC的生物模板作用来控制木材的孔隙率和渗透率

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摘要

Biotemplating is a process for the manufacturing of materials from natural resources. In this work, staining fungi were applied to control the porosity and permeability of wood templates for the production of biomorphic SiC ceramics. The action of fungi species Trichoderma sp. and Cytospora eucalypticola in Pinus elliottii var. elliottii wood was evaluated. The wood templates were inoculated with fungi, and the bioactivity was accompanied for 28 days. Air permeability and porosity of the samples were evaluated as a function of time. For ceramic conversion, the templates were then pyrolyzed at 900℃ for 1 h in flowing N_2 atmosphere, followed by repeated infiltration of TEOS (tetraethyl-orthosilicate) into the pre-formed carbon. The impregnated carbon templates were heat-treated at 1600℃ for 3 h in Ar to promote carbothermal reaction of SiO_2 into biomorphic SiC.
机译：生物模板化是利用自然资源制造材料的过程。在这项工作中，使用染色真菌来控制用于生产生物形态SiC陶瓷的木材模板的孔隙率和渗透性。真菌种类木霉菌的作用。松果和桉树中的Cytospora eucalypticola。评估了elliottii木材。用真菌接种木模板，并伴随生物活性28天。评估样品的透气性和孔隙率随时间的变化。为了进行陶瓷转化，然后将模板在流动的N_2气氛中于900℃热解1小时，然后将TEOS（原硅酸四乙酯）重复渗透到预制碳中。将浸渍过的碳模板在Ar中于1600℃下热处理3 h​​，以促进SiO_2的碳热反应成为生物形态的SiC。

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  • 来源
    《Journal of Wood Chemistry and Technology》 |2013年第1期|33-43|共11页
  • 作者

    T. L. ZENI; C. R. RAMBO; W. L. E. MAGALHAES; D. HOTZA;

  • 作者单位

    National Center for Forest Research (EMBRAPA), Colombo, Parana, Brazil;

    Group of Ceramic and Glass Materials (CERMAT), Federal University of Santa Catarina (UFSC), Florianopolis, Santa Catarina, Brazil;

    National Center for Forest Research (EMBRAPA), Colombo, Parana, Brazil;

    Group of Ceramic and Glass Materials (CERMAT), Federal University of Santa Catarina (UFSC), Florianopolis, Santa Catarina, Brazil;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    biomorphic SiC; fungus degradation; softwood; fungi; biotemplating;

    机译：碳化硅真菌降解软木菌类;生物模板;

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