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graphitization
相关语句
  石墨化
    Study on the Graphitization Degree and Structure of Carbon/Carbon Composites
    航空刹车用C/C复合材料石墨化度的研究
短句来源
    STUDY ON GRAPHITIZATION BEHAVIOUR OF SHORT CARBON FIBER/PHENOL-CARBON COMPOSITE MATERIALS
    短炭纤维/树脂炭复合材料石墨化行为的研究
短句来源
    Degree of graphitization
    石墨化
短句来源
    THE EVALUATION OF GRAPHITIZATION DEGREE
    石墨化度的评价
短句来源
    THE EVALUATION OF GRAPHITIZATION DEGREE
    石墨化度的评价(续)
短句来源
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  “graphitization”译为未确定词的双语例句
    (2) Boron has catalytic effect of graphitization.
    (2) 硼具有催化石墨化作用。
短句来源
    The results show that all of the properties are the best when binder content was 30% in mass fraction,the average density is 1.47 g·cm~(-3),the resistivity arrives 224 μΩ·m,and the graphitization degree has obviously increased to 37.5%.
    结果表明,采用30%的酚醛树脂做粘结剂时,材料的综合性能最优,其平均密度为1.47g. cm-3,电阻率为224μΩ.
短句来源
    Research on the Measurement of the Greatest Expansion Force of the Eutectic Graphitization of Ducticle Irom
    球墨铸铁最大共晶膨胀力测定的研究
短句来源
    The Catalytic Graphitization Effects of B_4C in C/C Composites
    碳化硼对碳/碳复合材料的催化石墨化作用
短句来源
    In addition, under high sintering temperatures, iron powder can result in the graphitization of diamonds. These two reasons will affect the mechanical properties of the metal bond and its retention capacity.
    而且在高温下,铁粉会对金刚石产生较严重的化学侵蚀,这两方面的原因都会影响结合剂本身的力学性能及其对金刚石的有效把持,导致锯切过程中结合剂耐磨性差,金刚石容易脱落,使锯片寿命缩短。
短句来源
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  graphitization
The absence of molecular hydrogen in C3O2 only results in faster formation and graphitization.
      
Graphitization of Polyacetylenes Prepared by Phase-Transfer Dehydrochlorination of Polyvinyl Chloride
      
Spontaneous graphitization and thermal disintegration of diamond at T>2000 K
      
Specific structural features and thermal resistance of shungite carbon to graphitization
      
It has been found that thermal treatment results in an insignificant increase of the graphite phase content in the bulk of the samples, whereas in the near-surface regions graphitization of the shungite glassy carbon can be more pronounced.
      
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The graphitization behaviour of short carbon reinforced phenol-carbon composites (SCFRC) was investigated. The experimental results show that the graphitization property of matrix-carbon in SCFRC has great improvement and that, the longer the carbon fibers used in SCFRC, the greater the impro- vement. The effects of carbon fibers are discussed, and it is concluded that the improvement on the graphitization property of matrix-carbon in SCFRC is owed to the thermal tensile stress which is caused...

The graphitization behaviour of short carbon reinforced phenol-carbon composites (SCFRC) was investigated. The experimental results show that the graphitization property of matrix-carbon in SCFRC has great improvement and that, the longer the carbon fibers used in SCFRC, the greater the impro- vement. The effects of carbon fibers are discussed, and it is concluded that the improvement on the graphitization property of matrix-carbon in SCFRC is owed to the thermal tensile stress which is caused by the carbon fibers' res- training the shrinkage of matrix carbon during heat treatment.

本文就短炭纤维/酚醛对脂炭复合材料(SCFRC)的石墨化行为进行了研究。X射线衍射结果表明,SCFRC中树脂炭的石墨化性能有较大改善,并且用较长的炭纤维制得的SCFRC中树脂炭石墨化性能的改善更为显著。探讨了炭纤维所起的作用,认为基质炭石墨化性能的改善是炭纤维抑制基质炭收缩而产生的热张应力的综合效应所产生的结果。

The bromine-graphite fiber of low electrical resistivity was prepared. The factors which influence the properties of the bromine-graphlte fiber, such as, the precusor materials of the carbon fiber, the heat treatment temperature(HTT) of carbon fiber,the kinds of catalysts in the graphitization of carbon fiber and the time,temperature and methods of bromine intercalation were investigated.It was proved that the electrical resistivity of the carbon fiber can be reduced to 1/5—1/10 of its original value by...

The bromine-graphite fiber of low electrical resistivity was prepared. The factors which influence the properties of the bromine-graphlte fiber, such as, the precusor materials of the carbon fiber, the heat treatment temperature(HTT) of carbon fiber,the kinds of catalysts in the graphitization of carbon fiber and the time,temperature and methods of bromine intercalation were investigated.It was proved that the electrical resistivity of the carbon fiber can be reduced to 1/5—1/10 of its original value by high temperature treatment and the same effect can be reached by using catalysts at lower temperature(a decrease about 400℃).The electrical resistivity of the graphite fiber can also be reduced to 1/2—1/5 of its original value after bromine was intercalated into the fiber, The reasons for the decrease of the electrical resistivity and the change of the mechanical properties of the carbon fiber are also discussed.

本文对制备低电阻率插溴石墨纤维时,炭源、热处理温度、催化剂的使用以及插溴时间、温度和方式等影响插溴石墨纤维电阻率的因素进行了初步探讨。实验结果表明,将炭纤维进行高温热处理,可使电阻率下降至原来的1/5~1/10;催化高温热处理可以降低热处理温度400℃左右而达到同样的效果;插溴可以使石墨纤维的电阻率下降至原来的1/2~1/5。本文还对炭纤维电阻率下降和力学性能变化的原因进行了讨论。

The study on the interface character of C/Cu composite and the influence of alloy element Ni shows that no reaction occurs between carbon fiber and copper matrix. Although Nickel can diffuse into carbon fiber and this results in the graphitization of carbon fiber and the drop of fiber strength, the strength of composite is increased from 650 MPa to 760 MPa as the result of nickel diffusion. The interfacial structure and reaction in C/Cu composite are investigated by x-Ray diffractometer and transmission...

The study on the interface character of C/Cu composite and the influence of alloy element Ni shows that no reaction occurs between carbon fiber and copper matrix. Although Nickel can diffuse into carbon fiber and this results in the graphitization of carbon fiber and the drop of fiber strength, the strength of composite is increased from 650 MPa to 760 MPa as the result of nickel diffusion. The interfacial structure and reaction in C/Cu composite are investigated by x-Ray diffractometer and transmission electron microscope.

利用透射电镜及x射线衍射仪研究了C/Cu复合材料的界面特性及合金元素镍对C/Cu复合材料界面特性的影响。研究表明,C/Cu复合材料的界面既无化学反应也没有扩散发生,C-Cu界面是物理结合。合金元素Ni与碳纤维发生互扩散使碳纤维发生一定的石墨化,但使C-Cu界面结合强度明显提高,因此使C/Cu复合材料的强度从650MPa提高到760MPa,横向剪切强度从30MPa提高到70MPa。扩散型界面结合是理想的界面结合状态。

 
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