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short-fiber shape
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  短纤维状
     The results show that TiB phases are formed in titanium matrix composite, and they are distributed uniformly in the matrix and in short-fiber shape.
     结果表明,钛基复合材料中生成了TiB增强相,且在基体中分布均匀,呈短纤维状;
短句来源
  相似匹配句对
     Short-termTestofDichloromethaneToxicityinClosedSpace
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     gubernaculum short.
     引带短。
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     The articles are short.
     文章短 ;
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     short-term equilibrium.
     按短线搞平衡。
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     Short Fiber Reinforcement of Elastomer
     弹性体的短纤维补强
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  short-fiber shape
TiB grows along the [010] direction and forms short-fiber shape due to its B27 structure, whereas TiC with NaCl type structure grows in a dendritic, equiaxed, or near-equiaxed shape.
      
Effects of short-fiber shape on tensile properties of reinforced rubber
      


Combined thermodynamic analysis of Ti-B-Al system with Ti-B phase diagram, the SMIF technology was developed to fabricate complex-shaped and thin-walled in-situ titanium matrix composites component. The phase compositions and microstructure of this composites were studied with XRD, SEM and TEM. The results show that TiB phases are formed in titanium matrix composite, and they are distributed uniformly in the matrix and in short-fiber shape. The addition of Al causes the higher aspect ratio up to 110 of...

Combined thermodynamic analysis of Ti-B-Al system with Ti-B phase diagram, the SMIF technology was developed to fabricate complex-shaped and thin-walled in-situ titanium matrix composites component. The phase compositions and microstructure of this composites were studied with XRD, SEM and TEM. The results show that TiB phases are formed in titanium matrix composite, and they are distributed uniformly in the matrix and in short-fiber shape. The addition of Al causes the higher aspect ratio up to 110 of TiB phases. And the TiB /matrix interface is clean and no contaminator. Besides, TiB phases in the surface layer tend to arrange perpendicular to the border of this composite. Mechanical properties have been improved due to the incorporation of reinforcements. The addition of aluminum element strengthens the titanium matrix alloy by solid solution strengthening. And the high aspect ratio of TiB reinforcements also improves the mechanical properties of composites.

结合Ti-B-Al体系的热力学及Ti-B相图,提出了可制备薄壁、复杂形状原位自生钛基复合材料构件的SMIF工艺.采用XRD、SEM和TEM等手段研究用该工艺制备的复合材料的相组成和显微组织.结果表明,钛基复合材料中生成了TiB增强相,且在基体中分布均匀,呈短纤维状;并且Al的加入使得TiB相具有较高的长径比,最高可达110.TiB增强相/基体界面清洁、无污染.受熔模精铸陶瓷型壳的激冷作用,钛基复合材料铸锭表层中TiB相垂直于铸锭的表面分布.与基体合金相比较,钛基复合材料的力学性能有了很大程度的提高.

>=In present work, (TiB + TiC)/Ti6264 composites with TiB:TiC = 1:1 and 4:1 were produced by common casting and hot-forging technology between titanium and B4C, C powders. The microstructures of the composites were examined using optical microscopy and TEM. The X-ray diffraction was used to identify the phases in the composites. The result shows that there are only two reinforced phases, TiB and TiC in the composites. TiB whiskers grow in short fiber shape and TiC particles grow in dendritic, equiaxed...

>=In present work, (TiB + TiC)/Ti6264 composites with TiB:TiC = 1:1 and 4:1 were produced by common casting and hot-forging technology between titanium and B4C, C powders. The microstructures of the composites were examined using optical microscopy and TEM. The X-ray diffraction was used to identify the phases in the composites. The result shows that there are only two reinforced phases, TiB and TiC in the composites. TiB whiskers grow in short fiber shape and TiC particles grow in dendritic, equiaxed shapes. The tensile strength at elevated temperature was also observed. The mechanical properties of (TiB + TiC)/Ti6264 composites is much better than Ti6264. The addition of graphite can improve the composites mechanical properties at elevated temperature.

利用钛与B_4C、石墨之间的反应,经自耗电弧熔炼工艺原位合成了不同摩尔比值的TiB和TiC增强的Ti6264复合材料,其中TiB和TiC的摩尔比分别为4:1和1:1;利用光学金相和XRD观察分析了合成材料的物相、增强体的形态和显微组织。测试了材料在高温下的瞬时力学性能,结果表明:原位合成TiB和TiC增强钛基复合材料在一定的温度范围内拉伸时,其屈服强度和抗拉强度均远远高于基体合金;石墨的加入,形成等摩尔的增强体,有利于提高复合材料的高温力学性能。

 
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