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flexural fracture surface
相关语句
  弯曲断口
     The C/C composites coated with MoSi 2/SiC were prepared by heat treatment and pack cementation process. The microstructure,flexural fracture surface and the interface characteristics of MoSi 2/SiC coating on the C/C composites were investigatied,and the influences of oxidation protection coating ,its process on flexural mechanical properties were analyzed.
     采用热处理和包埋工艺制备了C/C复合材料的MoSi2/SiC抗氧化涂层,对组织结构、界面、弯曲断口进行了显微观察,分析了氧化保护涂层及其工艺对其机械性能的影响,结果表明,该工艺在C/C复合材料表面生成涂层的同时,使基材内部的界面也被硅化;
短句来源
  “flexural fracture surface”译为未确定词的双语例句
     Mechanical properties of MoSi 2 SiC oxidation resistant coated C/C composites were investigated by three points bending tests. The microstructure of coated C/C composites and flexural fracture surface, and the interface characteristics of C/C composites were investigated; the influences of oxidation protection coating and its process on the flexural mechanical behavior of these materials were analyzed.
     在 C/C复合材料表面制备了 Mo Si2 - Si C抗氧化涂层 ,分析了涂层工艺对 C/C复合材料组织的影响 ,测试了材料的室温弯曲力学性能。
短句来源
  相似匹配句对
     Fracture
     破裂
短句来源
     ③fracture;
     ③骨折。
短句来源
     Their density, hardness, flexural strength and fracture toughness were measured.
     测定了密度、硬度、抗弯强度、断裂韧性等性能指标。
短句来源
     The flexural strength and fracture toughness were increased when CNTs were incorporated to HAp.
     加入CNTs后CNTs/HAp复合材料的弯曲强度与断裂韧性都有提高 ,但提高的幅度不同。
短句来源
     Panel's Flexural Vibration
     薄板的弯曲振动
短句来源
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The C/C composites coated with MoSi 2/SiC were prepared by heat treatment and pack cementation process.The microstructure,flexural fracture surface and the interface characteristics of MoSi 2/SiC coating on the C/C composites were investigatied,and the influences of oxidation protection coating ,its process on flexural mechanical properties were analyzed.The results showed that with the progress of the coating process,SiC conversion layer was formed in the interfaces of carbon fiber/carbon matrix...

The C/C composites coated with MoSi 2/SiC were prepared by heat treatment and pack cementation process.The microstructure,flexural fracture surface and the interface characteristics of MoSi 2/SiC coating on the C/C composites were investigatied,and the influences of oxidation protection coating ,its process on flexural mechanical properties were analyzed.The results showed that with the progress of the coating process,SiC conversion layer was formed in the interfaces of carbon fiber/carbon matrix and fiber bundle/matrix .On the other hand ,the pyro-carbon matrix was easily converted into SiC comparing with the carbon fiber .The main factor of lowering the flexural strength is the oxidation of C/C composite.

采用热处理和包埋工艺制备了C/C复合材料的MoSi2/SiC抗氧化涂层,对组织结构、界面、弯曲断口进行了显微观察,分析了氧化保护涂层及其工艺对其机械性能的影响,结果表明,该工艺在C/C复合材料表面生成涂层的同时,使基材内部的界面也被硅化;并且发现,热解炭基体比炭纤维更易与Si反应生成SiC。C/C复合材料经涂层工艺处理后,弯曲强度降低;热处理过程中发生的材料氧化是弯曲强度下降的主要原因

Mechanical properties of MoSi 2 SiC oxidation resistant coated C/C composites were investigated by three points bending tests. The microstructure of coated C/C composites and flexural fracture surface, and the interface characteristics of C/C composites were investigated; the influences of oxidation protection coating and its process on the flexural mechanical behavior of these materials were analyzed. The results showed that with the progress of the coating process, SiC conversion layer was formed...

Mechanical properties of MoSi 2 SiC oxidation resistant coated C/C composites were investigated by three points bending tests. The microstructure of coated C/C composites and flexural fracture surface, and the interface characteristics of C/C composites were investigated; the influences of oxidation protection coating and its process on the flexural mechanical behavior of these materials were analyzed. The results showed that with the progress of the coating process, SiC conversion layer was formed in the interfaces of carbon fiber/carbon matrix and fiber bundle/matrix, and open pores or gaps existing within the composites. On the other hand, the pyro carbon matrix converted into SiC was easier than the carbon fiber. After infiltration process, the fracture behavior of C/C composite was changed. Also the correlation between microstructure and fracture behavior was discussed with the SEM results.

在 C/C复合材料表面制备了 Mo Si2 - Si C抗氧化涂层 ,分析了涂层工艺对 C/C复合材料组织的影响 ,测试了材料的室温弯曲力学性能。结果表明 ,该工艺在 C/C复合材料表面生成抗氧化涂层的同时 ,基材内部的层间和纤维束界面 ,以及孔隙周围也被硅化。C/C复合材料经涂层工艺处理后 ,弯曲断裂行为发生改变 ,弯曲强度明显升高 ,塑性有一定程度的降低。

The thermoplastic polyimide(TPI) was reinforced by carbon fiber(CF) using double-screw extruder.The effects of CF content,CF category and molding means on the mechanical properties of composite were investigated.The results indicate that the CF could obviously enhance the mechanical strength of composite at the room and or evaluated temperature,which depended on the CF category.Tensile and Flexural strengths increased with increase of CF content.Compared with the compression molding method,the TPI/CF composite...

The thermoplastic polyimide(TPI) was reinforced by carbon fiber(CF) using double-screw extruder.The effects of CF content,CF category and molding means on the mechanical properties of composite were investigated.The results indicate that the CF could obviously enhance the mechanical strength of composite at the room and or evaluated temperature,which depended on the CF category.Tensile and Flexural strengths increased with increase of CF content.Compared with the compression molding method,the TPI/CF composite with better mechanical performance could be obtained by the injection molding.The reinforcing mechanism was also discussed based on the micro-structures analysis of tensile and flexural fracture surfaces by SEM.

采用双螺杆共混挤出法,在热塑性聚酰亚胺(TPI)树脂中添加碳纤维(CF)进行复合增强,实验研究了碳纤维种类、加入量及成型方法对复合材料力学性能的影响。结果表明:碳纤维的加入能显著提高材料的常温和高温力学强度,并与碳纤维种类有关;复合材料的拉伸和弯曲强度均随着碳纤维加入量的增大而升高;相对于模压成型方法,注塑成型可获得更高强度的复合材料。由扫描电镜(SEM)观察到的材料拉伸和弯曲断面的微结构形貌,初步探讨了碳纤维的增强机理。

 
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