matrix steel 中文意思是什麼

matrix steel 解釋
馬特里克斯超高強度鋼
  • matrix : n (pl matrices 或matrixes)1 【解剖學】子宮;母體;發源地,策源地,搖籃;【生物學】襯質細胞;間...
  • steel : n 1 鋼,鋼鐵。2 鋼製品;刀,劍,打火鐮;(女人胸衣等中的)松緊鋼條[絲];鋼磨;〈美國〉剃刀,小刀...
  1. The whole tension strength of steel fiber reinforced self - stressing concrete is a combination of tension strength of matrix and the self - stress value ; the strain of knee point is defined to 500 10 ^ ( - 6 ), and a formula for stress of knee point is suggested

    鋼纖維自應力混凝土抗拉強度為混凝土基體的抗拉強度與自應力值之和;曲線下降段拐點的應變定義為500 10 ^ ( - 6 ) ,並提出拐點應力計算公式。
  2. The friction and wear properties of pa6 composites filled with different contents of nano - al2o3 sliding against 45 steel and cu counterface in dry conditions are evaluated by using an mmw - 1 friction and wear tester. the findings show that incorporation of nano - al2o3 into pa6 serves as physical joints with the molecular chain of pa6 matrix, and helps reduce wear mass loss of pa6

    對于銅摩擦副而言,尼龍6 nano - al _ 2o _ 3復合材料的摩擦系數在載荷一定時,隨納米al _ 2o _ 3填料粒子填充量的增加摩擦系數呈上升趨勢,此變化規律對于復合材料與45 ~ #鋼對摩時則不明顯。
  3. Transfer matrix method of internal force analysisof tapered h - section steel beam

    型鋼梁內力分析的傳遞矩陣法
  4. Gangsu composite of a gb hot galvanized steel pipes for the matrix, its appearance " never rusting " lining the living standard of polythelene ( pe, cold water ) and apply regardless jubingxi ( ppr hot water ), gangsu picked up by agents of imports picked up, and use cold water temperature reached 60 degrees, the hot water pipes to 95 degrees

    鋼塑復合管採用國標熱鍍鋅鋼管為基體,其外表「永不生銹」內襯符合生活飲用水標準的聚乙稀( pe 、冷水)和無規共聚聚丙稀( ppr熱水) ,鋼塑拈接採用進口拈接劑,冷水管使用溫度達到60 ,熱水管可達95 。
  5. The melted tungsten carbide would react with the steel matrix on the interface and the reaction zone was observed as a result. the reacting production was examined as fe3w3c by means of x - ray diffraction and scanning electron microscopy analysis. the reaction between tungsten particle and steel matrix could improve the interfacial bonding strength remarkably

    Wc鋼復合材料的制備過程中, wc顆粒在高溫下發生了局部溶解並在wc顆粒和鋼基體界面處發生了界面反應; x射線衍射和電子衍射花樣分析表明,反應產物為高穩定性的fe _ 3w _ 3c ,界面反應有效地改善了wc顆粒與鋼基體的界面結合。
  6. The new method of direct determination of micro amounts of elements in electrician silicon - steel chips is based on the high performance of pw 2400 x - ray fluorescence spectrometer system and its software. it can correct both the matrix effect and the influence of sample physical status. specimens of steel chips can be determined directly without any pretreatment. the method has high accuracy and precision, the operation is easy and the analysis is fast

    報道了x射線熒光光譜法直接測定電工硅鋼鋼屑樣品微量元素的新方法,校正了樣品中元素間的基體效應影響和校正了鋼屑樣品的不同顆粒結構,不同幾何形態及不同表面狀態的影響,使鋼屑樣品可不經處理直接測定,操作簡便。
  7. The wear mechanism of tungsten carbide particle reinforced steel matrix composites was studied according to the frictional and wear characteristics and the scanning electron microscopy photographs of worn surfaces after wear testing. the effect of heat treatment and tungsten carbide content on wear resistance was investigated as well

    結合磨損特性曲線和不同磨損時間的摩擦面sem照片,分析了wc鋼復合材料的磨損機理,並討論了不同熱處理工藝和wc顆粒含量對wc鋼復合材料磨損性能的影響。
  8. The theme get the integration between design of the large highway bridge in anqing and theory studying, carry out an research in emulating calculation of steel box beam cable - stay bridge. the theme used the transfer - matrix in solving computing of cable - stay bridge structure, got a improving in computing of cable and the load and landed of cable strength

    針對鋼箱粱斜拉橋的特性,論文確定了以控制箱粱梁端位移與拉索內力為調整目標,利用循環的正裝過程對斜拉橋的模擬進行計算,並對索塔的塔頂位移進行了良好的控制。
  9. Based on the system engineering theory, and through detailed analysis of economic techniques of the engineering work plan examples of the common used long span steel truss structures, utilizing the sequenced layer analysis, the current paper will establish the long span engineering work plan index system. also by the fuzzy mathematical principles, it builds multi - layer fuzzy complex mathematics judgment and calculate the weight coefficient of each index by application of fuzzy power duality method ; and based upon the experts investigation method builds each index judgment matrix. finally applying the current popular update system tool - power builder 8. 0 developed the " optimization system of ( construction ) fuzzy work plan " to solve and carry out the multi - layered fuzzy combination judgment ; then step on the analysis and research on the reliability of the optimal solution for further achievement of the final objective of the fuzzy optimization in selecting the construction work plan of long - span steel truss realization

    本文以系統工程學的理論為基礎,通過工程實例對常用大跨度鋼桁架結構施工方案進行詳細的技術經濟分析,運用層次分析法建立起大跨度鋼桁架結構施工方案的指標體系,利用模糊數學原理建立了多層次模糊綜合評判數學模型,採用模糊權重二元對比法計算出各指標的權重系數,並採用專家調查法建立各指標的評判矩陣,利用目前最流行的工具系統- powerbuilder8 . 0編制了《建築施工方案模糊優選系統》求解計算,進行多層次模糊綜合評判;調整權重和隸屬度,對數學模型最優解的可靠性作了進一步的分析和研究,從而達到模糊優化選擇大跨度鋼桁架結構施工方案的最終目的。
  10. The result of macro - quality experiments show : mineral admixtures markedly slow the hydrating velocity of cement slurry, decrease and delay the hydrating max - temperature, in which steel slag is more effective ; expansive agents compensate concrete shrinkage, enhance the concrete dense degree, strengthen the interfacial layer between fiber and cement matrix and improve the physical mechanics qualities of acic ; minimal admixtures markedly improve the concrete workability property, increase the concrete later intensity & density and the capability of anti - chemical attack and anti - permeability ; hybrid fiber reinforces the toughness of obviously acic by the means of anti - cracking effect of fiber with different sizes and different properties in the corresponding construction levels

    實驗結果顯示:鋼渣摻合料能顯著減緩水泥漿體水化速率,降低砂漿的水化溫升並延遲最高溫升時間;補償混凝土收縮,提高混凝土密實度,加強纖維與水泥石的界面粘結,增強混凝土力學性能,但不能明顯改善混凝土韌性。混雜纖維通過纖維的不同尺度與不同性質在相應的結構層次上產生阻裂效應,增韌鋼渣防滲抗裂混凝土;增加混凝土的破壞極限能,極大提高混凝土抗彎曲能力和韌性指數,改善混凝土脆性。
  11. The wear resistance mechanisms and decision of critical normal load for in - situ granular fe, mn 3c steel matrix composites

    鋼基自生復合材料的磨損機理及臨界載荷確定
  12. Durability ' s of the material such as permeability, heat - resistance, carbonation and steel bar - protection were tested. the bonding characters between anchoring material matrix and post - embedding steel bar, the matrix and the concrete structures were studied

    在植筋錨固長度足夠的條件下,混凝土與錨固砂漿的界面粘結強度大小直接決定了植筋錨固的控制荷載,粘結界面成為受力的薄弱環節。
  13. Microstructure analysis showed that the tungsten carbide particle reinforced steel matrix composites, which were made by electroslag melting and casting method, not only had low content of porosity and nonmetal inclusion, but also could reduce the free carbon content immensely

    顯微缺陷分析顯示,採用電冶熔鑄工藝制備的wc鋼復合材料不僅氣孔、夾雜物含量低,無明顯游離石墨痕跡,而且較好地解決了wc顆粒的偏聚問題,具有明顯的質量優勢。
  14. Cross section morphology analysis showed that the fracture appearance of tungsten carbide particle reinforced steel matrix composites was a mixture of quasi - cleavage fracture and toughness fracture. the fracture appearance of tungsten carbide particle always displayed as quasi - cleavage fracture, while the cross section morphology of steel matrix transformed with the heat treatment techniques

    斷口形貌分析顯示, wc鋼復合材料的斷口形貌呈韌-脆復合斷口特徵,硬脆的wc顆粒常發生脆性解理斷裂,而韌性較高的鋼基體的斷口形貌則因熱處理工藝而異。
  15. Microstructure of in situ vc particulates reinforced steel matrix composite and its forming mechanism

    顆粒增強鋼基復合材料組織及其形成機理
  16. Abstract : based on the fundamental theory of computation of the cable - prestressed steel trusses established in paper 1, the iterative perturbation formulas which inversively determine the stiffenesses of elements of steel trusses and cables with the restraint of vertical displacements of the truss are put forward on matrix perturbation principle

    文摘:基於文1所建立的拉索式予應力鋼桁架基本計算理論,根據矩陣攝動原理進一步給出了以豎向結點位移為約束反演確定任意布索張拉予應力鋼桁架單元剛度和拉索剛度的攝動迭代公式。
  17. The following results are achieved : ( 1 ) in accordance with the empirical electron theory of solids and molecules, considering the number of covalent bond pairs on the strongest bond in a segregation structure na, the elements for matrix - strengthening can be chosen. ( 2 ) on the basis of the available phase - equilibrium thermodynamics calculation of alloy system and phase diagrams, which have been worked out, the contents of alloy elements can be identified with reference to the types, quantity and phase - transformation of carbides. ( 3 ) both the values relating to toughness ( including bending strength, yield strength, impact value of unnotched samples ) and hardness of new dm9 die steel are higher than those of crl2mov die steel

    結果得出: ( 1 )根據固體與分子經驗電子理論,利用偏聚結構單元的最強共價鍵上的共用電子對數n _ a ,可以選擇工模具鋼基體相的強化元素; ( 2 )根據合金系相平衡熱力學計算及已有的相圖,可以碳化物類型、數量及其相變確定合金元素含量; ( 3 )新型dm9鋼在強韌性(抗彎強度、屈服強度、無缺口沖擊值)和硬度方面均高於cr12mov鋼; ( 4 )以dm9鋼與6crw2si 、 7cr2wmovsi ( dm7 ) 、 h13和cr12mov四種模具鋼的實驗比較,進一步驗證了上述冷作模具鋼合金設計方案是合適的。
  18. Based on the steel - concrete coordinating relations, element stiffness matrix of geometrically nonlinear analysis, formulas for self - stresses by temperatures and displacements, stresses of corresponding superfluous structures are further studied. furthermore, a new theory and method for structural geometrical nonlinearity and buckling analysis is put forward

    根據鋼混協作關系進一步推導出鋼混組合構件幾何非線性分析單元剛度矩陣、溫度自應力及鋼混超靜定結構溫度位移和應力的計算公式,建立了一種新的基於鋼混協作關系的異種材料組合構件的幾何非線性和結構穩定性分析方法。
  19. The result show that steel fiber can improve the toughness of matrix concrete after cracking greatly. investigating the existent studying achievement of evaluation methods of toughness of steel fiber concrete. the limitations of these methods are summarized and the principle of founding up the evaluation method of toughness index of steel fiber concrete is given

    分析結果認為,鋼纖維對混凝土的作用突出表現在對基體混凝土裂后韌性性能的改善;系統分析了現有鋼纖維混凝土韌性評價方法研究成果,總結出普遍存在的不足及局限性,給出建立鋼纖維混凝土韌性指標評價方法所應依循的原則。
  20. After having deduced the combined stiffness matrix considering the contribution of concrete, tendons and non - prestressed steel, a novel mixed analysis method ( mam ) based on finite element ( fe ) and asum to analyze time - dependent stress redistribution and structural internal force redistribution due to creep and shrinkage in pc bridges is presented. the obvious advantage of this method is that all time - dependent factors, which are took into account in asum, need not to be considered in fe, thus the accuracy of mam can be easily guaranteed by fe and asum, respectively. this method opens a new approach to analyze creep and shrinkage both conveniently and precisely

    該法的特點是,有限元法列式中不考慮與時間效應有關的影響因素,僅完成彈性分析功能,所有與時間效應有關的影響因素均在全量形式自動遞進法中考慮;因此,混合分析法的計算精度可通過各自獨立的兩方面來保證:有限元法彈性效應分析的精度和全量形式自動遞進法時變效應分析的精度,為方便、準確的徐變效應分析提供了新途徑。
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