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structural ceramics     
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  结构陶瓷
     Statistical Analysis of Fracture Strength for Two Kinds of Al_2O_3 Structural Ceramics
     两种Al_2O_3结构陶瓷断裂强度的统计分析
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     A Study of the Superplasticity of Structural Ceramics
     结构陶瓷超塑性的研究
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     Thermal stress analysis for structural ceramics during laser beam machining
     结构陶瓷激光加工的热应力分析
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     MECHANISM OF FORMATION OF SURFACE RESIDUAL STRESSES ON STRUCTURAL CERAMICS UPON GRINDING
     结构陶瓷磨削表面残余应力的产生机理
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     A Study on the Grinding Force when Grinding Engineering Structural Ceramics
     工程结构陶瓷磨削力试验研究
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  结构陶瓷的
     Study on New Type of α-Al_2O_3 Structural Ceramics
     新型α—A1_2O_3结构陶瓷的研究
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     By grinding test and SEM analysis on the ground surface of structural ceramics Al 2O 3, Si 3N 4, and Mg ZrO 2 et al, damaging actions in the grinding process upon defective of areas ceramics such as pore, looseness, crystal boundary and interstice are investigated.
     本文通过对 Al2 O3 、Si3 N4 和 Mg-Zr O2 结构陶瓷的磨削试验研究 ,分析了磨削对气孔、疏松及晶粒间界这类缺陷区域的损伤作用。
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     PRESENT SITUATION AND TREND OF HIGH PERFORMANCE STRUCTURAL CERAMICS
     高性能结构陶瓷的现状和发展趋势
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     The Grinding Temperature of Structural Ceramics
     结构陶瓷的磨削温度
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     Friction and Sliding Wear of Structural Ceramics
     结构陶瓷的摩擦磨损
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  结构陶瓷材料
     The laminated ternary carbide Ti_3SiC_2, which is a new kind of structural ceramics material, becomes the focus of material researchers attributing to its perfect combination of both merits of metals and ceramics.
     Ti_3SiC_2是一种新型的结构陶瓷材料,由于其兼具了金属和陶瓷材料的诸多优异性能而成为材料研究人员的研究的焦点。
短句来源
     It is a good way to improve the properties of the structural ceramics by using additives. The mullite/ ZrO2/Al2O3 composite ceramics have good mechanical property.
     利用添加剂改善结构陶瓷材料的性能是一种较佳的方法,复合陶瓷mullite/ZrO_2/Al_2O_3具有较高的力学性能。
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     A STUDY ON EROSION EROSION BEHAVIOR OF CERTAIN TYPICAL STRUCTURAL CERAMICS
     几类典型结构陶瓷材料的冲蚀磨损行为研究
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     The laminated ternary carbide Ti3SiC2, which is a new kind of structural ceramics material, becomes the focus of material researchers attributing to its perfect combination of both merits of metals and ceramics.
     Ti_3SiC_2是一种新型的结构陶瓷材料,由于其兼具了金属和陶瓷材料的诸多优异性能而成为材料研究人员的研究的焦点。
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     Research of the Effect of Microstructure on the Friction and Wear Property of Structural Ceramics
     结构陶瓷材料显微结构对摩擦磨损特性影响的研究
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  建筑陶瓷
     The overall measuring and analysis has been done on the export competitive force,ratio of marketing occupation as well as quality and additional cost of the export products of tableware ceramics,structural ceramics and sanitary ceramics in our country by quantitative analysis.
     利用定量分析方法对我国日用陶瓷、建筑陶瓷、卫生陶瓷的出口竞争力、市场占有率和出口品的质量与附加值进行了全方位测度与分析。
短句来源
     It indicates that a stronger intermational competitive force mainly focus on the low-end products is in tableware ceramics industry while a weaker intermational competitive force is in structural ceramics and sanitary ceramics of our country.
     经测度后 ,认为我国日用陶瓷工业虽具有较强国际竞争力 ,但这种竞争力主要集中在低档产品上 ,而建筑陶瓷、卫生陶瓷国际竞争力较弱。
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      structural ceramics
    Advanced structural ceramics are presently used in several tribological applications such as precision instrument bearings, water pumps, automotive engine parts and cutting tools inserts.
          
    Toward a method of thermal shock testing of structural ceramics
          
    Long-term strength of structural ceramics with a stepwise increasing bending load
          
    Oxidation resistance in structural ceramics based on refractory materials
          
    Engineering components made of high-temperature structural ceramics using traditional technologies may show instability of properties because of the occurrence of imperfections, especially at the interphase boundaries.
          
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    Indentation techniques by means of the Vickers indentation crack measurement or theKnoop indentation-strength method have been used for determining fracture toughness ofceramics.Structural ceramics,such as reaction-bonded Si_3N_4,hot-pressed Si_3N_4 and SiC,have been used for investigating the influence of microstructural heterogeneity and thermalresidual stresses on fracture toughness.Artificial quartz has been used for researching therelationship between crystal orientation and fracture toughness.It...

    Indentation techniques by means of the Vickers indentation crack measurement or theKnoop indentation-strength method have been used for determining fracture toughness ofceramics.Structural ceramics,such as reaction-bonded Si_3N_4,hot-pressed Si_3N_4 and SiC,have been used for investigating the influence of microstructural heterogeneity and thermalresidual stresses on fracture toughness.Artificial quartz has been used for researching therelationship between crystal orientation and fracture toughness.It has been found that theKnoop indentation-strength method is rather suitable to the determination of fracturetoughness than the Vickers indentation crack measurement for non-isometrical crystals.This is for the reason that both the major Knoop indentation crack and the crack of thenotched specimen would propagate along the same crystal plane,but the pair of Vickersradial cracks has to propagate along the orthogonal crystal planes,only one of themalong the same plane as that the crack of notched specimen along.On the basis of the Vickers indentation technique,Evans' expression(21)withoutincluding the modulus of elasticity,E,by means of which the values of K_(1c) have beencalculated,seems to be available to show the influence of microstructural factors on thevalues of K_(1c).Evans' expression(22)with the modulus of elasticity in it,seems to beappreciable to show the effect of thermal residual stresses on the values of K_(1c).The cor-relation coefficients of linear regression of the relationship between Vickers indentation andradial crack,a~2-C~(3/2),are even more than 0.99 for all the ceramics mentioned above,exceptfor reaction-bonded Si_3N_4.This means that the Vickers indentation technique can be usedto determine the fracture toughness for ceramic materials with a certain effectiveness.

    采用 Vickers 压痕裂纹测量法或 Knoop 压痕~强度法等压痕技术进行了陶瓷的断裂韧性测量。反应烧结 Si_3N_4,热压 Si_3N_4和 SiC 等结构陶瓷用于研究显微结构非均质性和热残余应力对断裂韧性值的影响。人工水晶用于研究晶体学取向和断裂韧性之间的关系。研究发现,Knoop 压痕~强度法比 Vickers 压痕裂纹测量法更适合于非等轴晶系的晶体断裂韧性测量。其原因是 Knoop 压痕的主裂纹和缺口试样的裂纹都沿着同样的晶面扩展,而 Vickers 径向裂纹对却须沿着相互正交的晶面扩展,仅其中的一个晶面与缺口试样的裂纹扩展面一致。在 Vickers 压痕裂纹技术的基础上,用以计算 K_(1c)值不含弹性模量 E 项的 Evans 式(21),似乎能显示出显微结构对 K_(1c)值的影响;含有弹性模量 E 项的 Evans 式(22),似乎能反映出残余热应力对 K_(?)值的影响。所有上述的陶瓷材料,除了反应烧结 Si_3N_4,其压痕和裂纹关系 a~2~C~(3/2)的线性回归相关系数都相当,甚至>0.99。这表明了 Vickers 压痕技术在测定陶瓷的断裂韧性方面具有一定的实用性。

    This paper introduces the general development of ceramic materials,focuseson summarizing the. characteristics of structural ceramic material and functional ceramic material, and discusses the development and advantages of ceramic engine. The whole field of ceramic material has made considerable progress in recent years, but micromechanism research, mechanics properties, and component design in particular hare made great strides with the rapid development of relevant technique. It...

    This paper introduces the general development of ceramic materials,focuseson summarizing the. characteristics of structural ceramic material and functional ceramic material, and discusses the development and advantages of ceramic engine. The whole field of ceramic material has made considerable progress in recent years, but micromechanism research, mechanics properties, and component design in particular hare made great strides with the rapid development of relevant technique. It is sure that the advanced ceramic engine will be presented with a brand-new appearance in the near future.

    本文就结构陶瓷和功能陶瓷的许多独特性能进行了综述。讨论了陶瓷发动机的发展情况及优点,尤其是随着科学技术的飞跃发展,陶瓷材料的微观机理,产品的设计和力学特征等方面的研究。预计在不久的将来,新型的陶瓷发动机将以崭新的面貌出现。

    In order that structural ceramics can be used in some friction pairs in automobile engine, the friction and wear behavior of the friction pairs of sialon and SiC Ceramics. against steel has been studied. Friction and wear behavior tests of chilled cast iron (CCI) and GCr15 steel against metal pairs have also been conducted for comparison. The test results show that the friction coefficients of sialon and SiC ceramics against steel are less than those of steel against steel and CCI against steel....

    In order that structural ceramics can be used in some friction pairs in automobile engine, the friction and wear behavior of the friction pairs of sialon and SiC Ceramics. against steel has been studied. Friction and wear behavior tests of chilled cast iron (CCI) and GCr15 steel against metal pairs have also been conducted for comparison. The test results show that the friction coefficients of sialon and SiC ceramics against steel are less than those of steel against steel and CCI against steel. As for wear resistance even if the test load applied to the sialon and SiC ceramic block specimens is higher than that to the steel and CCI block specimens, not only the wear of the ceramic block specimens is much less than the metal, but also the wear of the steel ring specimens, which corresponds to that of the ceramic blocks, is less than that of steel ring, which corresponds to that of the metal blocks. Using the structural ceramic material mentioned above to manufacture some parts for automobile engine instead of metal parts, the wear resistance of both the ceramic elements and the metal parts matched with ceramics, will be increased.

    为了使结构陶瓷能够在汽车发动机的某些摩擦副中得到应用,对Sialon(Si_3N_4基陶瓷)及SiC结构陶瓷对钢的摩擦副的摩擦磨损性能进行了研究。还作了钢对钢及冷激铸铁对钢的摩擦磨损性能的对比试验。结果表明:Sialon及SiC陶瓷对钢的摩擦系数比钢对钢及冷激铸铁对钢的摩擦系数小。在抗磨损性能方面,Sialon及SiC陶瓷试块即使在试验载荷比钢及冷激铸铁试块大的情况下,不但陶瓷试块的磨损量比金属试块的磨损量要小得多,而且与陶瓷试块相匹配的钢环的磨损量也比与金属试块相匹配的钢环的磨损量要小。用上述结构陶瓷材料制成汽车发动机中的某些零件以代替金属零件,不仅陶瓷零件本身耐磨性好,而且与陶瓷零件匹配的金属零件的磨损也会减小。

     
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