拉伸形變 的英文怎麼說

中文拼音 [lāshēnxíngbiàn]
拉伸形變 英文
extensional deformation
  • 拉 : 拉構詞成分。
  • 伸 : Ⅰ動詞（展開） stretch; extend Ⅱ名詞（姓氏） a surname
  1. When ct20 alloy was tensioned at 20k, the main deformation mechanism in equiaxed microstructure was the slip of dislocations, and in bimodal microstructure the slip of dislocations and a small amount of twinning and in lamellar microstructure a large amount of twinning

    Ct20合金20k拉伸變形時，等軸組織主要是位錯的滑移起主導作用，雙態組織除了位錯滑移外還有少量的變形孿晶產生，片狀組織中則能觀察到數量較多的孿晶。
  2. Mechanism of deformation and breakup of single drop in a shear or an extensional flow

    剪切或拉伸流場中液滴的變形和破裂準則
  3. It ' s square copper signet with anamorphic inscriptions due to pics. it ' s only for playing

    是方銅印，印文照得有點拉伸變形了，印也不到代，閑玩的。
  4. The results from x - ray diffraction demonstrated that pp / mmtome was a fully intercalated nanocomposite, pp / mmtom and pp / ommt were partly intercalated nanocomposites, but the intercalation effect of pp / mmtom nanocomposite was better ; the crystallization characteristics of pure pp and pp / mmt nanocomposites were investigated by dsc, waxd and pom. the result of these testing showed that mmt nano - layers acted as nucleating agents for the crystallization of pp, the addition of mmt had effect on the crystallization process, leading the increasing of crystallization temperature crystallization rate and crystallinity, but also the dimension of spherulite reduced. but the formation of pp crystal did n ' t change, the formation of pp crystal in three pp / mmt nanocomposites and pure pp were a - form on the whole ; influences of three sorts of mmt on mechanical properties of pp / mmt nanocomposites were studied, as a result, the addition of mmt comprehensively improved mechanical properties of pp : notched impact strength, tensile strength and flexural properties were all increasing, but the extent of increasing were n ' t large

    通過xrd分析比較這三種pp mmt納米復合材料微觀結構得到， pp mmt _ （ ome ）屬于完全插層， pp mmt _ （ om ）與pp ommt的插層程度相近，但是pp mmt _ （ om ）相對較好；通過對純pp和三種pp mmt納米復合材料的結晶性能研究發現，蒙脫土納米片層對pp結晶產生明顯的異相成核作用，結晶能力增強，使pp的結晶溫度和結晶速率提高，結晶度增加，球晶晶粒細化，但是沒有改變pp的結晶形態，三種pp mmt納米復合材料的結晶形態都屬于晶；通過對pp mmt納米復合材料的力學性能測試得知，蒙脫土的加入全面提高了pp的力學性能，缺口沖擊強度、拉伸強度和彎曲性能都有一定程度的提高，浙江{ _業大學碩十學位論文摘要但是提高幅度都不是很大，不過ommt 、 mmtom和mmtc ） me三種蒙脫土對pp力學性能有著不同的改性作用，其中pp / mmtom最好， pp月邊mto崛次之， pp / ommt最低，這種情況主要是由蒙脫土對pp結晶性能的影響和蒙脫土的納米改性作用造成的。
  5. The v was tested by yjy stress transducer with mvad card by the methods of recording the deformation in the wideness and thickness direction of the specimens during the tensile test. a stable auxetic polyolefin blend with the minimal value - 1. 4 was observed after repeated test

    採用附有mvad通道卡的yjy型片式傳感器，記錄試樣在拉伸過程中寬度和厚度方向的形變並根據泊松比的定義進行計算，反復實驗后獲得最小值為- 1 . 4的負泊松比烯烴共混體系。
  6. The first stage is primary slip then followed by secondary slip ; the last stage is due to dislocation passing the slips. the cyclic stress strain ( css ) curve exhibits a stronger hardening occurred in cyclic plastic deformation than that in tensile test

    建立了拉伸和應變疲勞的有限元模型，使用基於晶體滑移模型的數值方法，對晶體內部滑移系的啟動以及滑移繫上的分解切應變、切應力這些無法試驗觀測的變量進行計算，分析它們對晶體塑性變形的不同影響。
  7. Non - linear finite element analysis of rubber layer bonded between two rigid spheres has been performed for rubber ’ s characteristic of large deflection and nearly incompressibility. the relationships between stiffness and deformation have been gained when large tensile deformations are imposed. the effects of different poisson ’ s ratios of rubber matericals on the stiffness and stresses of rubber layer have

    針對橡膠的大變形及接近不可壓縮的特點，對工程中常用的橡膠-剛球支座進行非線性有限元分析，了解了支座的剛度和應力的變化情況以及泊松比對兩者的影響，得出的支座受軸向拉伸時的剛度與軸向變形關系。
  8. Considering different soil spring models for vertical fault movement and horizontal fault movement, two damage cases of pe pipeline in ji - ji earthquake have also been simulated. the large deformation of a buried pipeline under fault movement is investigated in the 4th chapter. to examine the inelastic behavior of buried pipelines, the parametric studies on pipe material property, diameter ( d ), diameter - to - thickness ratio ( d / t ), crossing angle ( ), as well as soil stiffness, have been conducted using a shell - spring fem method

    對於0 p三90 」的情況，當斷層位移相對管徑還不是很大時（管子內的彎曲應變與軸向拉伸應變相差不大的情況） ，斷層附近管子變形形式與梁相似；當斷層位移相對管徑很大時（管子以軸向拉伸應變為主的情況） ，斷層附近的管子軸線變形為一圓弧，管子表現得像一條沒有彎曲剛度的索。
  9. W7 was added when the cells entered anaphase, we found that although some cells had elongated, the distribution patternof cam at central spindle was normal, and it seemed that a cleavage furrow would possibly form soon, however, these cells stopped cytokinesis at this stage, no furrow ingression followed

    在細胞進入有絲分裂後期時，加入w7 ，我們發現有的細胞雖已拉伸變長，中區紡錘體處也有gfp cam的分佈，存在形成分裂溝的跡象，但分裂溝卻不繼續縊裂加深。
  10. Tensile behavior of electrodeposited nanocrystalline ni

    電沉積制備納米鎳的拉伸變形行為
  11. Some explains are given about internal deformations under tension

    對其拉伸變形的內部機理進行了說明。
  12. Dty : draw texturing yarn

    拉伸變形絲
  13. Dty draw textured yarn

    拉伸變形絲
  14. Poy pre - oriented yarn

    拉伸變形絲
  15. Testing methods for chemical resistance of plastics under constant tensile deformation

    在恆定拉伸變形下塑料耐化學作用的試驗方法
  16. Tensile test and cyclic strain test of copper single crystal were performed. there are three stages in the plastic deformation

    觀測到銅單晶在拉伸變形過程中的三個階段，得到了循環應力應變曲線。
  17. Simulated results showed that the position and the evolution process of necks are influenced by tensile strain rates. uniform deformation covers only a small fraction of the total deformation. however, at the steady - like flow stage, restrictions and accommodations between scattered localizations promote large uniform deformation

    數值結果表明，頸縮的位置及發展過程受拉伸應變速率影響，完全均勻變形在總變形中實際占份量較小，而似穩流動階段的分散不均勻性的相互牽制與協調，使率敏感材料得以在接近均勻的狀態下經受大的變形。
  18. Concretely, 1, base on the viscoelastic mechanism of polymer depend on time, single axes stretching experiments are proceeded to research viscoelastic distortion of high polymer with the dependence on non - linearity and stress. we get each material parameter by dealing with the data of experiments, and contrast several theories of one dimension creep. 2

    根據聚合物時間相依的粘彈性機理，對pmma試件進行了單軸拉伸蠕變實驗，著重研究了高聚物粘彈性變形的非線性及應力水平相關性；在此基礎上，對實驗數據進行擬合，得到了各個材料參數，並對幾種現有的一維蠕變理論進行了對比分析； 2
  19. The process and mechanisms of slipping, exfoliation to layered graphite and compounding with polypropylene ( pp ) on nano - scale were systemically studied. the effects of shearing force field offered by pan - milling and confined environment of the exfoliated graphite on the microstructure of polypropylene, the electrical and thermal conductivities of the nanocomposites were also investigated. based on the experimental results, a modified electrical conductive model as well as thermal conductive model for polymer - based composites was proposed

    利用層狀無機物（如石墨）的弱層間結構和聚合物的粘彈性特點，在磨盤碾磨剪切力場作用下，通過摩擦和拉伸形變錯位、擠壓嵌合、拉伸滑移、剪切剝離與粉碎和混合分散等過程，實現層狀無機物層間剝離和與聚合物的納米復合。
  20. Early age cracking of concrete has re - emerged as an important issue all over the world in recent years. the stress, due to restrained volume change related to thermal deformation and shrinkage in the early age concrete, is the main driving force for the deleterious cracking in the construction stage. during the development of the stress, creep, a very important property of concrete, is always developing. creep contributes to 40 ? - 50 ? reduction of the elastically induced stress in the restrained specimen. ring test, a qualitative test, can provide information to assess the potential for cracking of different concrete. an overview of ring test developed in recent years and mechanism of uniaxial tensile creep test is described in this paper at first. then, an innovative test equipment based on ring test is outlined

    近年來混凝土早期裂縫問題再次引起全球工程界的廣泛關注.早期混凝土由於體積變形受到約束而產生的應力是導致混凝土開裂的主要因素.在混凝土應力發展的同時，混凝土徐變也在同時發生著變化.有研究表明，徐變能減少40 ? - 50 ?的早期應力.圓環試驗是用於定性評價混凝土材料抗裂性能的試驗方法之一.本文首先分析了圓環試驗和單軸拉伸徐變試驗的原理，創造性地將圓環試驗用於測量早期混凝土的干縮徐變，並設計了試驗方案
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