microstructure of material 中文意思是什麼

microstructure of material 解釋
材料的微觀結構
  • microstructure : n. 顯微結構,微觀結構〈如金屬或合金放在顯微鏡下所看到的結構〉。
  • of : OF =Old French 古法語。
  • material : adj 1 物質的(opp spiritual)。2 身體上的,肉體上的;物慾的,追求實利的;卑俗的。3 有形的,實體的...
  1. The micromorpholgy and grain boundary microstructure of the material were studied with sem and tem and the grain boundary phase composition were analyzed with eds and x - ray the mechanical properties, micromorpholgy microstructure of grain boundary and phase composition of al2o3 composite ceramics were systematically studied, the effect of additives, the relationship between microstructure and mechanical strength, the sintering mechanism of the material and influence factors of the structure and properties of al2o3 composite ceramics were discussed respectively

    系統研究了氧化鋁陶瓷的力學性能、微觀形貌、晶界顯微結構,並討論了各添加組分的作用、材料顯微結構與力學性能的關系以及材料的燒結機理和影響材料結構與性能的影響因素。本論文探討了氧化鋁基復相陶瓷的強韌化機理,實驗表明al _ 2o _ 3 - ticn體系主要是微裂紋韌化。
  2. R & d of high strength hpc with strength grade c50 - c80 was conducted using high belite cement ( abbreviated as hbc ) as the main component of cementitious material. the workability, physical mechanical properties, durability and sub - microstructure of hbc concrete have been researched systematically in comparison with hbc using ordinary portland cement ( abbreviated as opc )

    本研究以高貝利特水泥( hbc )為主要膠凝材料,成功配製出了強度等級為c50 c80的高貝利特水泥高性能混凝土,該級別范圍內的高貝利特水泥高性能混凝土初始坍落度180mm , 90min坍落度損失40mm ,且抗凍等級f300 ,抗滲等級w25 ,氯離子滲透值1000庫侖。
  3. Presents the investigation of the heat conduction behavior, internal thermal stress field of specimen under thermal shock and microscopic damage and failure of the tungsten based composites by combination of macroscopic and microscopic analyses and integration of material science and mechanics ; describes a microscopic mechanical model based on the microstructure of components with macroscopic stress applied to the microscopic model as that of maximum principal stress at the center, and the fringe of the specimen, and the microscopic stress fields obtained through calculation by the finite element method, and concludes from test results that the maximum principal stress is first generated inside the test coupon, and a failure will be first initiated in the inclusion if the material fails at this time ; the maximum principal stress moves to the edge of the test coupon after the test coupon is heated for a period of time, and the failure will first be initiated in the base if the material fails at this time

    從材料設計的思想出發,採用宏觀與微觀、材料科學與力學相結合的方法,對鎢基復合材料的熱傳導行為、材料在熱沖擊載荷下的內部熱應力場及材料細觀結構的破壞行為進行了詳細的理論研究.根據鎢基復合材料的細觀組織結構建立了材料細觀模型.在宏觀分析的基礎上,分析了材料微結構內部的破壞行為.分別取試件心部與邊緣主應力值最大點的應力狀態,施加在所建立的模型上,用有限元方法計算了模型內部的彈性應力場.結果表明:試件主應力最大值首先產生在試件內部,此時,如果材料發生破壞將先從夾雜中開始;加熱一段時間后試件中的最大主應力值轉移到試件邊緣,此時材料發生破壞將先從基體中開始
  4. The thermodynamic and mechanical properties are calculated, it shows the melting point reduce in nizr alloy nano material. further we study the microstructure of them by the reverse monte carlo simulation, obtain the a series of information about bond angle - coordinate and so on

    Dft結合實驗數據導出的嵌入原子勢用於納米nizr合金熱力學性質的分子動力學模擬,模擬結果證實了納米合金材料由於界面結構原子分佈比較混亂,與常規合金相比體系嫡較大,熔點降低,得到與實驗一致的結果。
  5. Some respects of self - compacting high - strength concrete ( schsc ) made of fujian province ' s local material have been studied in this thesis as follows : 1. studies on microstructure of the schsc. three different mixed schsc and one normal high - strength concrete ( nhsc ) were observed by the scanning electron microscope at different sites and different ages of 1 day, 3 days, 7 days, 28 days and 60 days. from the test, the effects due to no vibrating and admixture on the microstructure of schsc were studied

    通過四組強度等級相當,分別為普通混凝土、兩組不摻膨脹劑的自密實混凝土(其粉煤灰的摻量不同)和摻有膨脹劑的自密實混凝土,在同一養護齡期的條件下( 1天、 3天、 7天、 28天和60天) ,分別選擇粗骨料過渡區、細骨料過渡區、水泥石和砂坑作為觀測點,採用sem進行細觀掃描對比實驗,以研究自密實混凝土因免振搗的特性及摻合料對其骨料界面和水泥石結構的影響。
  6. Neutron scattering technology is widely used in many research reactors in the world, whose applications include microstructure analysis, material dynamics, fundamental physics and so on, especially, very popular research of new material and new biological medicine in recent years

    中子散射實驗技術在全世界許多研究堆上得到了廣泛的應用,其應用范圍包括物質微觀結構分析、材料動力學、基礎物理等,尤其可應用於近些年來較為熱門的新材料和新生物醫藥研究。
  7. It is proved by the intensity experiment of welding line that the welds of these two materials using explosive welding and vacuum electron beam self - material brazing are tolerable, nevertheless the welding technique could be improved basing on the study of microstructure of the joint layer

    通過強度實驗的研究,兩種工藝形成的焊縫強度都是可以滿足目前的應用要求的,但是,對電子束自釬焊可根據顯微研究的結果做進一步的工藝參數的改進。
  8. In the paper based on the study of mechanical property, durability, microstructure, engineering applying and theory of designation of hplc, the relation among the composition, structure and performance of iiplc, which is an essential theoretical base of hplc, is discovered. the main research work and compliments of this paper are : the concept on hplc is newly described from the aspect of development strategy, economic, demanding of technology of material. based on the analysis of the destroy theory and the research of property of the composition and structure of hplc, the ideology of designation of hplc, and the theory of interface strengthening and strength suiting are built ; the new method of designation of hplc which is based on the condition that the mixture has a high stability is invented ; a math modal is built to direct the designation of hplc

    本文進行的主要工作和取得的重要成果有:從材料發展戰略、經濟性和技術要求角度,把高性能輕集料混凝土的設計水平分為三個層次進行評價,在此基礎之上提出了高性能輕集料混凝土的設計理念,用以指導設計、制備該類材料;在設計理念的指導下,結合對輕集料混凝土破壞機理的分析,提出了界面增強理論、強度匹配理論兩個主要的高性能輕集料混凝土設計理論;創立了基於拌和物穩定性控制的高性能輕集料混凝土設計新方法;建立了指導高性能輕集料混凝土設計的數學模型。
  9. The results showed that the fracture of the tooth - razor was brittle fracture, the material quality was normal, the main fracture reson was that the carbide in the microstructure of the tooth - razor was distributed as reticulation, the brittleness of the razor was increased and the toughness was decreased, so the tooth of the razor was broken by external force when it was working

    結果表明,該剃齒刀的斷齒屬于脆性斷裂,主要是顯微組織中的碳化物分佈不均勻(呈網狀分佈) ,使刀具的脆性增大而強度、韌性下降,導致刀具在使用過程中由於外力的作用發生斷齒。
  10. The micromorphology and grain boundary microstructure of the material were studied with sem and tem ; the grain boundary phase composition of the material were analyzed with eds and x - ray

    利用sem 、 tem研究了材料的微觀形貌和晶界顯微結構特點,用eds 、 x - ray分析了材料晶界的相組成。
  11. In this paper, the alumina ceramic was prepared under normal pressure and low temperature, the mechanical properties, micromorphology, microstructure of grain boundary and phase composition of the alumina ceramic, and the precision shaping and cold processing of the femoral head were systematically studied ; the effects of the additives, the relation between microstructure and mechanical strength, the sintering mechanism of the material and the influence factors of the structure and properties of the alumina ceramic were discussed also

    本文在常壓低溫條件下制備了氧化鋁陶瓷,系統研究了氧化鋁陶瓷材料的力學性能、微觀形貌、晶界顯微結構、相組成和股骨頭的精密成型、冷加工,並討論了添加劑的作用、材料顯微結構與力學強度的關系、材料的燒結機理及影響氧化鋁材料結構與性能的因素。
  12. It shows that at the stress concentration zone, changes of mfl were relatively weak with slight deformation of the specimens. with the deforming to plastic and further the changing of mfl exhibits more distinct, and when necking emerging a very intensive change takes place. it is indicated that magnetic memory effect is related to the microstructure of the material

    經分析認為,磁記憶信號的這種變化與材料內部微觀組織的狀態有關,試件變形很小時,磁彈性效應對試件表面泄漏磁場的變化起主要作用;試件變形較大時,其表面泄漏磁場的變化主要受塑性變形區內位錯聚集產生的微缺陷的影響。
  13. Ir - ta - ti metal oxide coated titanium anodes of variable composition were prepared by thermal decomposition. their micro morphorogies and electrochemical properties were characterized by scanning electron microscope, open circuit potential, cyclic voltammetry, consumption rate measurements and accelerated life test. the sem results indicated that all coatings were of a porous and cracked - mud microstructure influenced greatly by the composition of coatings. the electrochemical measurements showed that the ir - ta - ti ternary oxide - coated anodes exhibited excellent electrochemical activity and electrochemical stability in both acidic media and seawater which were affected by the composition and microstructure of the coatings. owing to good corrosion resistance and low consumption rate in seawater, metal oxde coated anodes belong to insoluble material, and can be potentially applid in impressed current cathodic protection systems as an anode

    採用熱分解方法在鈦基體上制備銥鉭鈦金屬氧化物陽極,用掃描電鏡對陽極塗層顯微形貌進行分析,通過強化電解壽命試驗、開路電位測試、消耗率試驗及循環伏安曲線研究了金屬氧化物陽極的電化學性能. sem分析結果表明銥鉭鈦金屬氧化物陽極塗層呈現多孔多裂紋形貌結構.隨陽極塗層組成不同,塗層顯微形貌表現出很大差異,這種差異直接影響陽極電化學性能.電化學性能試驗結果表明銥鉭鈦金屬氧化物陽極在酸性介質和海水中具有良好的電化學穩定性和電化學活性.此外,銥鉭鈦金屬氧化物陽極在海水中的消耗率很低,屬于不溶性的陽極材料,作為外加電流陰極保護用輔助陽極具有廣泛的應用前景
  14. In the process of making 95 alumina ceramics, selected five kinds of alumina powder and studied the influence of different alumina powder on the sintering properties and mechanic properties of 95 alumina ceramics, moreover, selected the most agreeable alumina powder according to the apparatus for granularity analysis and scanning electron microscope ( sem ). the influence of different sintering temperature on the sintering mechanic properties, the microstructure of 95 alumina ceramics were investigated by adding y2o3 and la2o3 as two kinds of rare earth additives in alumina ceramics. the results indicated that the additive of la2o3 could improve the properties of 95 alumina ceramics more effectively and could get fine grain and tabular alumina that can enhance the strength of the material

    選用了五種al2o3粉料,研究了其對95al2o3瓷燒結性能和力學性能的影響,並結合粒度分析儀sem對al2o3粉料進行優選;通過添加y2o3 、 la2o3兩種稀土添加劑,研究了不同燒成溫度對95al2o3瓷的燒結性能、力學性能及顯微結構等的影響,結果表明:添加la2o3可以有效提高95氧化鋁瓷燒結性能和力學性能,形成細晶和板狀氧化鋁瓷的顯微結構;通過對比不同氧化鋁粉料制備氧化鋁瓷燒成溫度曲線與燒結性能的關系,確定最佳的燒成溫度范圍為1570 ~ 1600 。
  15. Changing the grading of sic particles not only affects the strength and pile density, but also modifies the phase compositions and microstructure of the material. with the reducing of sic particles, the strength of the material increases obviously. the nitrification scheme has the greatest influence on phase compositions and microstructure " of si3n4 ( si2on2 ) - sic, after two continuous nitrification reacting peak and short - time high - temperature treating, the best properties can be obtained ; and the residual strength of the composite is much higher after the thermal shock resistance test, which shows that the material possesses excellent thermal shock resistance

    本論文較全面地探討促進強度和顯微結構良好的si _ 3n _ 4 ( si _ 2on _ 2 )結合相的實驗條件,實驗數據顯示:引入適量的燒結助劑能夠促進si _ 3n _ 4 ( si _ 2on _ 2 )的生成和晶粒的長大,而過量時,其促進作用反而下降;隨著si粉加入量增加,生成的結合相明顯增多,復合材料的性能顯著提高;改變sic顆粒級配不僅影響復合材料的強度與堆積密度,而且對復合材料的物相與顯微結構也有影響,隨著顆粒逐漸細化,材料的強度有較大的提高;對復合材料的強度、物相與顯微結構影響最大的是氮化制度,經過兩個氮化高峰連續的反應和短時間的高溫后處理得到的復合材料性能最好;通過抗熱震性能實驗后復合材料的殘余強度較高,顯示出較好的抗熱震性能。
  16. Through analyzing the surface microstructure of counter - cavitational material and the factors of affecting cavitation, on the basis of material mechanical properties, metallurgical parameters and fluid mechanical conditions, the paper presents cavitation erosion mechanism in multitude fluid medium, whereby offers references for calculating erosion rate

    通過對抗氣蝕材料表面顯微結構和影響氣蝕因素的分析,從材料的機械性能、冶金學參數和流體力學條件出發,綜述多項流體介質作用下氣蝕磨蝕的機理,從而為計算氣蝕磨蝕速率提供參考
  17. This paper analyses the problem of concrete cracking and leakage, and set up the model of the middle or low - strength steel slag anti - cracking and impermeable concrete ( acic ) on the base of the analysis. the four principles of water permeable resistance character, volume stability character, toughness and anti - chemical corroded character have been put forward for raw materials selection and durability design of acic, acic is designed by the theory of composite material and the theory of fiber - reinforced, and two series of acic, such as fly ash series and steel slag series, have been manufactured by means of mineral admixture, hybrid fiber and chemical admixture. hydrating heat, macro - mechanics quality, durability and microstructure of the acic have been researched

    本文對中低標號大體積混凝土滲透開裂問題進行了研究,從混凝土自身結構形成與經濟角度指出大摻量粉煤灰與膨脹劑復合配製大體積混凝土的問題所在,提出採用鋼渣微細礦粉配製中低標號防滲抗裂混凝土的思路,運用復合材料理論設計中低標號防滲抗裂混凝土,提出了低水化熱、抗滲性能、體積穩定性、韌性和抗沖磨性能是中低標號防滲抗裂混凝土材料選擇和耐久性設計的主要原則,採用鋼渣微細粉復合混雜纖維、化學外加劑的技術路線,配製了適合於深水等特殊環境中的大體積中低標號鋼渣系列防滲抗裂混凝土,對其進行水化特性、宏觀物理力學性能、耐久性和微觀結構研究。
  18. Microstructure of nano - crystalline material al60fe20cu

    20納米材料的結構研究
  19. It was found that the introduction of ca2 + enhanced the sinterability of the material. the relative density of sintered specimens increase with the content of ca2 + in the composition range of 0 < x < 0. 3. it was confirmed that a high relative density can be obtained at relatively low sintering temperatures by using uniform, high surface area la1 - xcaxcro3 powders, which modifies the crystalline structure and microstructure of ceramic specimens

    研究結果表明, a位ca ~ ( 2 + )的引入在一定程度上能夠降低材料的燒結緻密化溫度:細小、均勻、高比表面積的粉料能夠有效降低材料的燒結緻密化溫度;燒結溫度的降低可以減少la _ ( 1 - x ) ca _ xcro _ 3中液相含量和鉻氧化物的揮發,有利於材料晶體結構、顯微結構的改善。
  20. In this thesis, fabricating boron carbide and aluminum ceramic - metal composites by pressureless infiltration technology, heat treatment of boron carbide and aluminum composites and their influence on the mechanical properties of the composites have been investigated. the microstructure of the material, its interface and their relationship with the properties are also been investigated

    本文主要研究了無壓浸滲制備b _ 4c al復合材料工藝、 b _ 4c al復合材料熱處理工藝,以及材料制備工藝對材料性能的影響,並利用x射線光電子能譜分析、 x射線衍射分析、掃描電鏡以及透射電鏡等手段較深入分析了材料顯微組織和界面,探討了b _ 4c al復合材料的微觀組織、界面與性能的關系。
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