composite experimental design 中文意思是什麼

composite experimental design 解釋
混合試驗設計
  • composite : adj 1 併合的,復合的,混成的,合成的,集成的。2 【建築】混合式的;【造船】鐵骨木殼的。3 【植物;...
  • experimental : adj 實驗(上)的;試驗性的;經驗上的。 experimental parthenogenesis 人工單性生殖,人工孤雌生殖。 ...
  • design : vt 1 計劃,企圖,立意要…。2 指定,預定;留給,留著。3 設計,草擬,擬定,籌劃;起草,畫草圖,打(...
  1. This paper is focused on a series of experiments including two kinds of large - scale composite walls with different joint fashion under low cyclic loadings. the experiments are carried out in order to know the seismic of composite walls out - of - plane and research the impact of deformation out - of - plane on carrying ability in - plane, experimental design reference is expected to achieve and tech support provide

    為了彌補這方面的研究不足,本文對兩種連接方式足尺復合墻片進行了低周反復荷載作用下的恢復力試驗,以了解配筋砌塊復合墻的平面外抗震性能,同時研究平面外變形對墻體平面內抗震性能的影響,為配筋砌塊復合墻的設計提供依據。
  2. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  3. According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling

    依據在研產品特殊的外型結構和使用要求,確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝路線,即由纖維纏繞工藝成型主體異形件,閉模成型帶通槽外貼塊,用限位加壓工裝實現粘接的工藝路線;通過對原材料體系的篩選,確定了綜合性能較好的復合材料體系,以此為基礎進行了力學性能測試;運用有限元方法,建立了蒙皮、筋條和外貼塊的分析模型,綜合考慮結構特點和設計要求,對影響結構強度與穩定性的主要因素(包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度)分別進行了結構設計參數的優選,最終完成了復合材料異形耐外壓殼體1 : 1樣件和縮比實驗件結構及鋪層優化設計;完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究;對縮比件進行外壓性能測試,並給出了應力、應變測試結果。
  4. The principal conclusions include : ( a ) the composite system is composed of both active - bearing structural members and inactive - bearing ones, being of a character of combination of rigid retaining structures with flexible ones, so its working mechanism will be behaved as sharing loadings, waterproof and impermeability, loading transfer, local reinforcement and pre - reinforcement ; ( b ) the experimental results show that much more subsoil will participate in retaining action, soil stresses of internal slope will be shared uniformly and deflections caused by excavation will be reduced notably because of cooperation of nails and cement - soil mixing pile wall ; and ( c ) the internal forces of facing in vertical model will be a control factor of design and the cross section tensile strength of cement - soil wall will govern strength of the

    主要研究結論有: ( 1 )復合土釘支護的作用機理主要為臨時加固土體以保證局部穩定、有機聯系以共同承擔荷載、改善土體性質起到止水抗滲作用。 ( 2 )試驗結果表明:復合土釘支護能夠充分調動周圍土體共同作用,有效地控制基坑變形;復合土釘支護中止水帷幕的插入深度和強度對控制邊坡變形與失穩有較大作用;復合土釘支護效果明顯優於一般的土釘支護。 ( 3 )面層與邊坡土體共同變形,設計時可按外力作用下的彈性地基梁進行計算。
  5. In this paper, single fiber composite fragment ( sfc ) method, which is one of the most widespread and effective experimental methods for determining the mechanical properties of interface, was adopted to study the load transfer mechanism and to evaluate the adhesion performance of composite with surface - treated fibers. this is helpful for optimization design of interface

    本文採用了目前最為流行、最為有效的直接測定界面力學性能的實驗方法之一? ?單纖維復合材料斷裂實驗研究了纖維樹脂界面載荷傳遞機理,分析了幾種纖維表面處理復合材料界面的粘結情況,對界面的優化設計具有一定的指導作用。
  6. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生長過程中的缺陷,並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程;利用微波對材料的選擇加熱特性,通過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中,建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以獲取大面積均勻的溫度場區,甚至獲得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微波等離體化學氣相沉積金剛石的成核與生長研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電鏡( sem ) 、紅外透射光譜( ir ) 、原子力顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  7. The rigidity and strength performance such as tension bend, torsion of composite laminated plates are calculated by use of classical lamination theory, and then analyses the experiment methods for rigidity and strength of laminate in detail, the comparison of theoretical analysis and experimental result shows good consistent, which indicate that the theoretical analysis and experimental method presented there is applicable for design and manufacture of military medical shelter laminate. in addition, theoretical analysis is taken for heat preservation and insulation performance of the laminate material by use of stable plate heat conduction method

    採用經典迭層理論,計算了軍用醫療方艙復合夾層大板材料的拉伸、彎曲及扭轉等剛強度性能,由此深入研究了夾層大板材料彎曲剛強度性能試驗方法,對理論分析進行了試驗驗證,結果表明該課題提出的理論分析和試驗方法適于軍用醫療方艙鋁塑復合夾層大板力學分析,對軍用醫療方艙鋁-聚氨酯-鋁復合夾層大板的力學結構設計和製造具有重要的應用價值。
  8. The proposed method and the corresponding computer program are then used to achieve the cross - sectional design and to determine the load carrying capacities of several composite columns with different sectional shapes. the obtained load capacities are also compared with the available experimental results and good agreement is found

    利用該方法及相應的計算機程序對幾個不同截面形式的組合柱進行了截面設計和承載力確定,截面承載力計算結果還與試驗結果進行了比較,發現兩者有較好的吻合。
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