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ablative performance
相关语句
  烧蚀性能
     Research and development of ablative performance of C/C composites
     C/C复合材料烧蚀性能的研究进展
短句来源
     Experimental results show that char yield of PAA resin is higher than that of phenolic resins. Ablative performance of the C/PAA composites is very good, with linear ablation rate of 0.012 mm/s and mass ablation rate of 0.0166 g/s un-der oxyacetylene ablation test, but its mechanical properties are relatively poor.
     结果表明,PAA树脂的残碳率高于钡酚醛和硼酚醛树脂,C/PAA材料烧蚀性能优异,氧——乙炔线烧蚀率为0.012mm/s、质量烧蚀率为0.0166g/s,但其力学性能较差。
短句来源
     THE DETERMINATION FOR THE ABLATIVE PERFORMANCE OF COMPOSITES QUANliTATIVELY BY THERMAL ANALYSIS
     用热分析技术定量检测复合材料烧蚀性能
短句来源
     The ablative performance of C/C composites with different carbon matrix was investigated by stagnation point ablation test.
     本文利用电弧驻点烧蚀实验考察了三种具有不同碳基体的毡基C/C复合材料的抗烧蚀性能
     STUDY ON FACTORS AFFECTING ABLATIVE PERFORMANCE OF C/C COMPOSITES
     炭/炭复合材料烧蚀性能影响因素分析
短句来源
更多       
  耐烧蚀性能
     By means of an analysis for the mechanism of thermal decomposition of polydimethylsiloxane elastomers, three methods of improving the ablative performance of the two component room temperature vulcanizing (RTV) silicone rubber for the inhibition of solid rocket propellants are proposed.
     通过对通用硅橡胶热分解机理的分析 ,提出了改善双组份室温硫化(RTV)硅橡胶耐烧蚀性能的三条途径。
短句来源
     The effects of filler fiber and flame retardant on ablative performance of EPDM insulation
     填充纤维及阻燃剂对EPDM绝热层耐烧蚀性能的影响
短句来源
     The results show that the filler aramid fiber and phosphoruscontaining flame retardant can improve the ablative performance of EPDM insulation effectively and the optimum contents of filler aramid fiber and phosphoruscontaining flame retardant are 5~8 and 15~25 parts respectively. 
     结果表明,当芳纶纤维的最佳填充量为5~8份,含磷阻燃剂的最佳用量为15~25份情况下,它们可显著提高EPDM绝热层的耐烧蚀性能
短句来源
     EFFECT OF NOVOLAC STRUCTURE ON ABLATIVE PERFORMANCE OF CYANATE ESTER OF NOVOLAC
     酚醛骨架结构对酚醛三嗪树脂耐烧蚀性能的影响
     Moreover, the pbotographs of the composites which had been ablated were studied by SEM to analyze the effects of the treatment mechanisms on the ablative performance.
     同时通过 SEM照片分析 ,从微观结构上阐明处理后的复合材料耐烧蚀性能得到改善
短句来源
更多       
  烧蚀
     Research and development of ablative performance of C/C composites
     C/C复合材料烧蚀性能的研究进展
短句来源
     Experimental results show that char yield of PAA resin is higher than that of phenolic resins. Ablative performance of the C/PAA composites is very good, with linear ablation rate of 0.012 mm/s and mass ablation rate of 0.0166 g/s un-der oxyacetylene ablation test, but its mechanical properties are relatively poor.
     结果表明,PAA树脂的残碳率高于钡酚醛和硼酚醛树脂,C/PAA材料烧蚀性能优异,氧——乙炔线烧蚀率为0.012mm/s、质量烧蚀率为0.0166g/s,但其力学性能较差。
短句来源
     Experimental results shown that the 2.5D braided quartz/phenolic composites not only have good mechanical properties but also have excellent ablative performance.
     研究表明 2 .5D石英 /酚醛复合材料不但具有较好的整体力学性能 ,而且是一种优良的抗烧蚀、防热材料
短句来源
     THE DETERMINATION FOR THE ABLATIVE PERFORMANCE OF COMPOSITES QUANliTATIVELY BY THERMAL ANALYSIS
     用热分析技术定量检测复合材料烧蚀性能
短句来源
     The ablative performance of C/C composites with different carbon matrix was investigated by stagnation point ablation test.
     本文利用电弧驻点烧蚀实验考察了三种具有不同碳基体的毡基C/C复合材料的抗烧蚀性能。
更多       
  “ablative performance”译为未确定词的双语例句
     The ablative performance of C/C composites with different carbon matrix was investigated by stagnation point ablation test.
     炭基体在C/C复合材料的组成中占有很大的比重,因此炭基体不同的结构状态往往对C/C复合材料的各项性能有显著的影响。
短句来源
     The ablative performance of 2D C/PAA composites was so good that the O 2-C 2-H 2 erosion was only 0.004mm/s,whereas the mechanical properties of the composites were poor with a interlaminar shear strength of merely 5.8MPa.
     但材料机械性能较低,剪切强度仅为5 .8 MPa 。
短句来源
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  ablative performance
The post-ablative performance levels were no better than 1/5 of their pre-ablative performance levels.
      


This paper is gone into details on the ablative mechanism and in-depth thermal response for carbon-phenolic composite. The oxida-tion and sublimation of carbon fibers and carbon-nitrogen reaction were discussed. The main effect of pyrolysis gas on surface behavior which increased heat blockage of boundary layer and varied the concentration of gas species are presented. The pyrolysis gas through the carbon layer can decrease enthalpy of carbon and temperature of carbon layer. A method was developed for predicting...

This paper is gone into details on the ablative mechanism and in-depth thermal response for carbon-phenolic composite. The oxida-tion and sublimation of carbon fibers and carbon-nitrogen reaction were discussed. The main effect of pyrolysis gas on surface behavior which increased heat blockage of boundary layer and varied the concentration of gas species are presented. The pyrolysis gas through the carbon layer can decrease enthalpy of carbon and temperature of carbon layer. A method was developed for predicting ablative performance and in-depth thermal response of carbon-phenolic composites . Analytical results were quite consistent with results of ARC-Jet test under steady heating and transient heating simulating ballistic re-entry.

本文分析了碳-酚醛的烧蚀机理和内部热响应特性,讨论了碳纤维的氧化、升华和碳-氮反应。指出热解气体注入边界层的作用主要是增加热阻塞效应和改变壁面组元浓度。热解气体流过材料碳层,起着降低碳层内部温度的作用。基于烧蚀机理和热响应特性的分析,给出了碳-酚醛烧蚀和内部热响应的理论计算方法,计算结果分别与固定状态和模拟再入轨道的变状态的电弧加热器的烧蚀和内部温度的试验结果作了比较,两者符合甚好。

The practicability of detecting the ablative performance of the phenolic composite by thermal analysis is discussed with experiments.

通过试验论述了热分析检测酚醛类高分子材料烧蚀性能的可能性。

Introduces three shelter methods for high temperature environment used in spacecraft and solid rockets. Ablation is one of the methods that receives the widest applications.The usage, types and methods of evaluation of ablative materials are explained and the ablative performances of polymers in ablative materials are compared. Conclusions show that phenolic resins have fairly good overall ablative performance. A Classification and brief introduction are made for the references to ablative...

Introduces three shelter methods for high temperature environment used in spacecraft and solid rockets. Ablation is one of the methods that receives the widest applications.The usage, types and methods of evaluation of ablative materials are explained and the ablative performances of polymers in ablative materials are compared. Conclusions show that phenolic resins have fairly good overall ablative performance. A Classification and brief introduction are made for the references to ablative phenolic resins obtained by consulting. Finally, the tendency of ablative polymers and the author's development work in ablative phenolic resins are introduced.

综述了烧蚀材料的概况,介绍了航天飞行器和固体火箭发动机采用的三种隔热方法。烧蚀法是最广泛应用的一种方法,纤维增强塑料作为烧蚀材料在吸热效果上具有显著的优越性。文中对烧蚀材料的类型,使用原则和评价方法作了说明。对烧蚀材料中的高聚物的烧蚀性能作了对比,结果表明:酚醛树脂具有较好的综合烧蚀性能。对检索到的烧蚀酚醛树脂的文献作了分类和简要介绍,说明了烧蚀用高聚物的发展方向及作者本人在烧蚀酚醛树脂方面的进展。

 
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