欢迎您！东篱公司
退出
-
申报数据库
-
立项数据库
-
成果数据库
-
项目获奖数据库
中文摘要：
针对国产石英纤维强度，本工作采用液相浸渍法（硅溶胶、石英浆料和氮化硅浆料）制得Mini复合材料，利用两参数Weibull分布，对其强度及分布进行了研究，采用Kolmogrov非参数检验对其分布进行了检验．同时研究了热处理对纤维束强度分布的影响．结果表明，可用两参数Weibull分布表征纤维束及其Mini复合材料强度分布．热处理使纤维强度急剧下降，且强度分散性变大；相同处理温度下，由硅溶胶制得的Mini复合材料强度较高，分散性较小；而石英或氮化硅浆料制备的Mini复合材料强度较低．
英文摘要：
Domestic silica fiber reinforced minicomposites were fabricated by slurry infiltration （including silica sol, silica slurry and silicon nitride slurry）. And their strength distributions were analyzed with two parameter Weibull distribution. Then the goodness of fit of the strength distribution was conducted by the Kolmogorov test. Meanwhile, the strength distributions of treated silica fibers were also studied. The results show that two parameter Weibull distribution can be used to express the strength distribution of silica fiber and its minicomposites. It also suggests that the strength of the fiber decreases sharply after heat treatment, and the dispersity of the strength is increased. With the same heat treatment conditions, the strength of minicomposites infiltrated with silica sol is higher, and the Weibull modulus is also increased, while the strength of minicomposites infiltrated by silica or silicon nitride slurry is lower.
同期刊论文项目
同项目期刊论文
Behavior of two-dimensional C/SiC composites subjected to thermal cycling in controlled environments
The Acoustic Emission Characteristics of Silicon Carbide Firber Reinforced composite Under Tensile L
Acoustic Emission Research on Thermal Shock Behaviors of Three-Dimensional C/SiC Composites in Diffe
Damage analysis of 2D C/SiC composites subjected to thermal cycling in oxidizing environments by mec
Thermal expansion behavior of carbon fiber reinforced chemical-vapor-infiltrated silicon carbide com
Thermal cycling response behavior of ceramic matrix composites under load and displacement constrain
Nondestructive evaluation and mechanical characterization of a defect-embedded ceramic matrix compos
Damage mechanisms of C/SiC composites subjected to constant load and thermal cycling in oxidizing at
Effect of shrinkage constraint on damage of C/SiC composites during thermal cycles in oxidising atmo
Numerical Simulation of Effect of Methyltrichlorosilane Flux on Isothermal Chemical Vapor Infiltrati
Thermal cycling damage mechanisms of C/SiC composites in displacement constraint and oxidizing atmos
Comparative Modeling of Gas Transport in Isothermal Chemical Vapor Infiltration Process of C/SiC Com
Modeling the effects of thermal and mechanical load cycling on a C/SiC composite in oxygen/argon mix
Relationship of damage evolution of ceramic matrix composites between static and dynamic oxidizing g
Residual strength prediction of SiC/SiC composite exposed to service environments with factor analys
Monotonic tensile behavior analysis of three-dimentional needle-punched Wover C/SiC Composites by Ac
Life Prediction of 3D woven C/SiC Composites at High Temperatures with Low Frequency Cyclic Stresses
Experimental research on failure mechanism of a CVI-fabricated ceramic matrix composite under compre
Tension-tension fatigue damage characteristics of a 3D SiC/SiC composite in H2O-O2-Ar environment at
Oxidation protective multilayer CVD SiC coatings modified by a graphitic B-C interlayer for 3D C/SiC
Characterization of tensile behavior of a two-dimensional woven carbon/silicon carbide composite fab
Stress-Oxidationbehavior of a carbon/silicon carbide composite in a high temperature combustion envi
Tensile behavior and microstructural evolution of a carbon/silicon carbide composite in simulated re
Effect of temperature gradients and stress levels on damage of C/SiC composites in oxidizing atmosph
Experimental simulation of the space re-entry environment for a carbon/silicon carbide composite and
期刊信息
位置：