纖維裂面 的英文怎麼說

中文拼音 [xiānwéilièmiàn]
纖維裂面 英文
fibrous fracture
  • : 纖形容詞(細小) fine; minute
  • : Ⅰ動詞1 (連接) tie up; hold together; link 2 (保持; 保全) maintain; safeguard; preserve; keep ...
  • : 裂動詞[方言] (東西的兩部分向兩旁分開) open
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • 纖維 : fibre; staple; filamentary
  1. To improve the binding strength between the deck slabs and deck surfacing layer of badong changjiang river highway bridge and to provide the surfacing layer with anti - cracking ductility, a series of technical measures has been taken in the construction of the deck surfacing of the bridge, including those of embedding binding reinforcement in the deck slabs, spraying inorganic binding agent between the slabs and layer, replacing part of the cement with micro expansion agent and adding appropriate amount of polypropylene fibers to the concrete

    摘要巴東長江公路大橋橋鋪裝,通過採取預埋橋粘接鋼筋、噴塗無機界粘結劑、用微膨脹劑替代部分水泥、在混凝土中摻入適量的聚丙烯等措施來提高橋板與鋪裝層間的界粘結強度和給橋增韌。
  2. Through the experimental research, we think : the technological capacity of fiberglass asphalt macadam if weaker than asphalt macadam, however, if use elasticized capacity to solve blending technological problem. adjust the breed of fiber silk, extend its diameter, its paving capacity is still worth exploring, asphalt - rubber macadam structure lager have good deformed - become capacity and crazed - resistance capacity, small gap rate. good water - resistance capacity, good hot - stability and simple construction technology. therefore. pitch rubber spall is a good cover material which is suitable for the second class or lower whose asphalt pavement has split open because of fatigue. and is the good structural measure of preventing half - rigidity grass - roots unit shrink - rift reflecting. pave a thin layer of pitch rubber spall between asphalt - type pavement layer and half - rigidity basic level, although the cost of building is higher than paving togongbu in the middle, the construction technology, crazing - resistance and water - resistance are better than togongbu, not only could reduce greatly the reflex of half - rigidity grass - roots unit material, long then the use lifespan of pavement, but also it is possible to reduce suitably the thickness of asphalt mixture layer, though the cast of building in the early days becomes more, in the long - term opinion, it have fully important technological and economical significance

    通過試驗研究認為:玻璃瀝青碎石的技術性能不如瀝青碎石好,但路用彈性性能較好,如能解決拌和工藝問題,調整絲的品種,增大其直徑,其路用性能仍值得探討,瀝青橡膠碎石結構層具有變形性能和抗性能良好,空隙率小,防水性能好,熱穩定性較好,施工工藝簡單的特點,因此,瀝青橡膠碎石是二級及二級以下公路因疲勞而開的瀝青路的良好罩材料,也是防止半剛性基層收縮縫反射的良好結構措施,在瀝青類路層和半剛性基層之間夾鋪瀝青橡膠碎石薄層,雖然造價比夾鋪土工布高,但其施工工藝,抗性能和防水性能均優于土工布,不僅可以大大減少半剛性基層材料的反射縫,延長路使用壽命,而且可能適當減薄瀝青混合料層的厚度,雖然初期造價有所增加,從長遠來看,具有十分重要的技術和經濟意義。
  3. The fracture surface traverses matrix as well as fibers and interface.

    橫切過基體、和界
  4. They observed that broken fibers recede within the matrix in composites with weak interfacial bond.

    他們觀察到弱界粘結的復合材料,斷會在基體中縮回。
  5. Here the hsc of sompa is achieved through adding super - effective water reducer, fined slag and silicon fume, and decreasing the water / cement ratio. by varying the area ( spacing ) of tension bars, compressive bars, vertical links and distribution steel and embedding steel fiber and polypropylene fiber we try to improve the behaviors of reinforced high performance concrete one - way spanning slabs in bending, so that its ductility be greater than 5. with the same arrangement of steel the width of bending member is varied to observe the effect of the width / depth ratio on the ultimate compressive strain of concrete

    通過變化受拉筋含筋率和受壓筋、箍筋(鉤筋、分佈筋)含量,或摻加使之成為鋼高強混凝土( sfrhsc )和聚丙烯高強混凝土( pfrhsc ) ,對高強混凝土雙筋截梁、板的受彎性能進行了試驗研究,試圖改善高強混凝土受彎構件的延性,使其延性比大於5 ;並在相同配筋情況下,通過變化截寬度,研究了高強混凝土受彎構件的寬高比對壓區混凝土極限應變的影響;並對試驗構件的縫發展情況進行了觀測。
  6. Here we obtain the strain compatibility method ande equilibrium of forces and concepts of fracture mechanincs, they can be used to predict the ultimats strength in flexure that can be achieved by such elements, given the cfrp cross - sectional area, or conversely, the required cfrp cross - sectional area to achieve a targeted resisting moment of rehabilitated flexureal elements

    Cfrp加固梁在承受彎曲荷載時的破壞是鋼筋屈服后碳和鋼筋屈服后混凝土壓碎。本文通過應變相容方法和對破壞機理的定義,由給定的cfrp橫截積預測加固梁的極限彎曲強度;或者相反,在已知加固梁的極限彎曲強度時可以求出所需的cfrp橫截積。
  7. First, using strip - partitoning method and programming in matlab language, the numerical caculations of the relation curve between moment and curvature are done for the beams strengthened with non - prestressed and pretressed cfrp sheets, base on the assumption of plane section, non - bonding slip and non - peeled destroy. secondly, nolinear finite elemeant analysis by ansys are done for the beams strengthened with prestressed cfrp sheets base on the three assumptions before mentioned, the analysis are all done for the relation curve between load and displacement, the distribution of material stress, the distribution of cracks. lastly, calculation formula of flexural capacity and deflection are proposed

    )的全過程關系曲線。其次基於上的三個假定,選擇合理的本構關系,利用ansys通用有限元分析程序對預應力碳布加固梁進行非線性有限元分析,分析了加固梁的荷載-撓度關系、材料的應力情況、縫的分佈情況等。最後提出了承載力計算公式和正常使用狀態下撓度計算公式。
  8. To change the layer number of cfrp ( one and two layer ), the paper analyzed the anti - fatigue performance from the points of material stress, degree and crack of the beams

    通過改變碳布的粘貼層數( 1 、 2層) ,從材料的應變、梁的撓度、縫擴展情況三方進行分析。
  9. Finally, an energy approach is combined with the fem in the simulation of the crack propagation along the fiber / matrix interface in a pull out process. the simulated results are in nice conformity with experimental results. the second part of the research deals with the characterization of the failure process in the fragmentation tests, which is one of the most frequently used test methods in studying thermal mechanical properties of fiber / matrix interfaces

    在這一部分工作的最後,採用能量法與有限元法結合起來,模擬抽拔試驗中紋的擴展:針對以往研究工作中的不足之處,在模擬中使用能量釋放率,在表徵界破壞時,所使用的應力強度因子考慮了和基體兩種材料的不同屬性,並考慮紋尖端的單元奇異性,來研究紋長度和溫度對紋擴展的影響。
  10. Currently, the main methods used to measure the fiber / matrix interface properties of composite were based on micro - mechanics, including single - fiber composites fragmentation test ( sfc ), micro - debonding technique, single - fiber pull - out test, and single - fiber push - out test, in which sfc was most widely used

    目前直接用來測定增強復合材料界力學性能的主要微觀力學方法有單復合材料斷實驗( sfc ) 、微脫粘方法、單拔出法、單頂出法,其中以單復合材料斷實驗的應用最為廣泛。
  11. Here, fem is applied in the analyses of i ) fiber axial stress and interphase shear stress in fragmentation tests during initially applied strain, ii ) influence of temperature on the stress transfer across the interface, iii ) modulus and thickness of the interphase and their influence on interfacial stress transfer, iv ) interfacial debonding process, and v ) fragment aspect ratio, contact friction along the interface and their influences to the interfacial stress transfer efficiency

    在論文的這部分工作中,使用有限元法描述和分析了逐節斷試驗中初始應變下的軸向應力和界相剪切應力,溫度對界應力傳遞的影響,界相模量和厚度、節長寬比、界脫粘過程、界接觸中的摩擦效應等因素對逐節斷試驗中應力傳遞的影響。
  12. Research work described in this dissertation consists of four parts : application of finite element methods ( fem ) in the study of pull out tests of single fiber reinforced composites ( sfrc ), fem study of fragmentation tests for single fiber reinforced composites, monte carlo simulation of fragmentation tests for single fiber reinforced composites, and a simulation of impact failure behaviors of fiber composites with a mesh free method - the sph method

    全文論述從四個方展開的工作:單復合材料抽拔試驗的有限元數值模擬,單復合材料逐節斷試驗的有限元數值模擬,蒙特卡羅方法模擬單復合材料受拉破壞過程,無網格sph演算法在復合材料受沖擊破壞過程中的v _ ( 50 )數值模擬。
  13. In addition, a new analytical method was used to solve the shear strength of the fiber / epoxy interface. the result showed good agreement with that from the kelly - tyson equation. meanwhile, according to the sfc tests of the single fiber reinforced epoxy matrix composites treated by four types of surface treatments, the interfacial adhesion conditions were estimated by critical fiber length, interfacial shear strength and single fiber microdamge mode

    此外,文中對單復合材料斷實驗運用了新的解析方法,求解了玻璃環氧復合材料界的剪切強度,與kelly - tyson等式方法求得的界剪切強度有著很好的一致性;同時,對四種不同表處理劑處理的單復合材料斷實驗進行了分析,從臨界長度、界剪切強度和單實驗中斷點周圍基體形貌評價了界的粘結情況。
  14. 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力學性能的實驗方法之一? ?單復合材料斷實驗研究了樹脂界載荷傳遞機理,分析了幾種處理復合材料界的粘結情況,對界的優化設計具有一定的指導作用。
  15. The studies expressed that the tensile - strength declined with the growth of dose rate after the radiation treatment, and at the same time, the gel content had extreme value with the change of the dose rate. the surface of uhmwpe fibers showed some irregular micro - pits and dents after radiation treatment, narnely rough degree increasing. their number and deepness increased with increase of dose. and this phenomenon is the most obvious when the dose rate was 8. 5kgy / s and the dose was 400kgy. at the same time some containing oxygen groups, including hydroxyl group, carbonyl group and carboxyl group, were introduced into the fiber surface which was exposed to the air

    研究表明, uhmwpe經電子束輻照處理后,的拉伸斷強度隨劑量率的增加呈下降趨勢,凝膠含量隨著劑量率的變化存在極值。出現了不規則的微紋和凹痕,隨著劑量的增大,電子束對的刻蝕程度增加,在本研究中以劑量為400kgy劑量率為8 . 5kgy s時刻蝕效應最為明顯。同時,在空氣中進行輻照時,被引入了一些含氧基團,包括羥基、羰基和羧基。
  16. Breaking process of pet fibers is discussed through analyzing changes of surface morphology of pet fibers in this paper

    本文通過研究聚酯形態結構的變化來探討聚酯的斷過程。
  17. Simultaneity, various single fiber strength tests ( sft ) and the single fiber fragmentation techniques were discussed, and the influence of fiber surface treatment on the single fiber strength and the interface load - transfer were discussed in detail. the two parameters weibull statistic theory was used to evaluate the scattering of the tensile strength test results of three types of single fibers with different surface treatments. the following conclusions can be drawn based on the analysis of the results

    同時,文中詳細討論了單強度測試實驗( sft )和單復合材料斷實驗( sfc ) ,重點討論了處理對單拉伸強度和界載荷傳遞能力的影響;採用兩參數weibull統計理論對經過三種不同表處理的單拉伸強度的測試結果的分散性進行了評價,獲得了理想的實驗結果;分析實驗結果可得到如下結論, sft實驗與sfc實驗獲得的界剪切強度吻合良好;經過表處理的玻璃的界粘結情況較未經處理的玻璃好;經過表處理的玻璃的界粘結強度和單拉伸強度均高於未經表處理的玻璃
  18. Focusing on serious damage of carbon fibers in ceramic matrix composites ( cmcs ) prepared by precursor infiltration pyrolysis ( pip ), and with emphasis on carbon fiber reinforced silicon carbide composites ( cf / sic ) derived from polycarbosilane ( pcs ), the influences of raw materials ( including carbon fibers and precursors, etc. ) and preparing conditions on carbon fiber damage during the preparation of cf / sic composites were investigated systemically. pyrolysis process, fiber - matrix interface and carbon fiber damage process were observed by sem, tem, ir, xrd, xps and tq etc. the characterization method of carbon fiber damage degree was established and the models for carbon fiber damage mechanism were also established. the carbon fiber coatings and unidirectional cf / sic composites with coated carbon fibers were prepared and studied

    本文針對先驅體浸漬解工藝制備陶瓷基復合材料過程中碳損傷嚴重的問題,以聚碳硅烷( pcs )制備cf / sic復合材料為重點,採用sem 、 tem 、 ir 、 xrd 、 xps 、 tg等表徵手段,分析了先驅體解過程、基體界和碳損傷過程,系統地研究了原料(碳、先驅體等)和制備工藝條件等在cf / sic復合材料制備過程中對碳損傷的影響,建立了碳損傷程度的表徵方法和損傷機理模型,制備了塗層並利用塗層碳制備了單向cf / sic復合材料。
  19. The results showed that the breaking strength of the cotton fiber after the limited oxidation by sodium periodate did not decrease remarkably, and the collagen molecules through the c = n double bond of the schiff base combined on the surface of the cotton fiber

    結果表明:經高碘酸鈉有限氧化后棉的斷強度降低不明顯;膠原蛋白分子通過席夫堿c = n雙鍵共價結合在棉
  20. The mechanism of physical damage of carbon fibers was clarified firstly. the precursor which attached on carbon fibers changes to inorganic ceramic under high temperature with large volume shrinkage which appearing at cracks with fiber traction and the cracks are mainly vertical to fiber axis. because of mismatched coefficients of thermal expansion, carbon fibers suffer multiple thermal stresses and are damaged

    首次探明了碳熱應力物理損傷機制,即碳附著的先驅體在高溫下無機化形成陶瓷體,同時伴隨著大的體積收縮,在碳的牽引下,基體的體積收縮以開形式出現,紋的取向以垂直於軸向為主,由於碳與基體熱膨脹系數失配,致使碳在降溫過程中受到復雜熱應力,引起碳損傷。
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