基体组织 meaning in English
matrix structure
Examples
- In cuo + sio2 + tio2 / al reaction system , the element ti which is replaced in the reaction makes the microstructure of composite thin and the matrix strong . the mechanical properties of the composites fabricated by this reaction system are much finer than the ones fabricated by cuo + sio2 / al and cuo + tio2 / al reaction system . in cuo + tio2 / al reaction system , the wild phase al3ti is very large and it is disadvantageous to the improvement of composites " properties
在四种原位反应体系中, cuo + sio _ 2 + tio _ 2 al原位反应过程中被置换出来的金属元素ti细化了基体组织,并起到了固溶强化的作用,所制备的复合材料的微观组织与机械性能明显优于cuo + sio _ 2 al与cuo + tio _ 2 al原位反应体系所制备的复合材料。 - Microstructure of the composite layer was analyzed with help of optical microscope , scanning electronic microscope ( sem ) , electronic probe microanalysis ( epma ) and x - ray diffraction ( xrd ) . the compacting of the billet and the forming mechanism of the carbide reinforcement were studied based on thermodynamics and kinetics of reaction , sintering theory and the result of dta . at the same time , the wear - resistance of the composite layer was studied under condition of dry sliding friction
利用光学显微镜、扫描电子显微镜、电子探针以及x -射线衍射仪,分析了表面复合层的基体组织结构;运用反应热力学、动力学、粉末烧结理论和燃烧合成理论,结合差热分析结果,探讨了表面复合层压坯的烧结致密化原理和碳化物增强相的形成机理;利用坯块在真空烧结炉不同温度下的烧结出来的显微组织分析,模拟出坯块的烧结过程中的化学反应过程。 - Abstract : by utlizing abundant local resource of ytirium and combining the characteristics of magnesium , barium , calcium and silicon , a sort of composite nodulizer - ytirium - based heavy rare earth nodulizer was developed which is characterized by its good desulphurizing and deoxidizing rate effect , excellent effect to neutralize anti - nodulizing effect of trace elements , strong nodulizng effect and degeneration - resistance , good effect to fine matrix structure , decreased chilling tendency and wide scope of applicatiom using this nodulizer to produce some important castings such as water - cooled wall of blast furnace and roller could increase mechanical properties of central area and casting yield
文摘:利用江西省丰富的钇基重稀土,结合镁、钡、硅、钙等元素的特性开发了钇基重稀土复合球化剂,该球化剂具有脱硫、脱氧、抗干扰元素、球化和抗球化衰退能力强,细化基体组织,白口倾向小,适用范围宽等特点,应用于高炉冷却壁,轧辊等关键铸件上可提高心部力学性能和工艺出品率。 - The particles distributed hi the matrix of grey cast iron , but some contact each other . the composite layer extend gradually into the substrate . when volume fraction of wc is 36 wt % and 27 wt % , the matrix of the composite is high chromium cast iron , consist of white carbide bars and the austenite . wc particles distributed uniformly , retaining approximately quondam granular form in the composite layer which has an evident interface area with the substrate , with good bonding strength
对不同碳化钨体积分数的灰铁和低铬铸铁基复合材料的微观组织结构分析表明:碳化钨体积分数为52时,复合层内基体为灰口铸铁组织,颗粒直接分布在灰铁基体上,部分碳化钨颗粒有相互接触的现象,基材与复合层之间没有明显的过渡;碳化钨体积分数为36 、 27时,复合层内基体为高铬铸铁,由面块状的奥氏体和白条状碳化物组成,碳化钨颗粒表面固溶于基体组织中,粒形基本保持完整,分布均匀,与基体构成冶金结合,基材与复合层之间存在一个明显的平缓过渡区。 - The preparation process and its parameters of composites were tested systemically . the forming mechanism of tic particles in fe - ti - c melt was discussed preliminarily on the condition of optimized technology . the mechanical properties of ticp / fe composites with different microstructure were analyzed
对复合材料的制备工艺及工艺参数进行了系统的试验;在优化工艺的基础上,初步探讨了tic颗粒在fe - ti - c熔体中的形成机制;对tic _ p fe复合材料在不同热处理工艺下的基体组织与性能进行了比较分析;对复合材料的机加性能和可焊性进行了试验研究。