界面粘彈性 的英文怎麼說
中文拼音 [jièmiànniándànxìng]
界面粘彈性
英文
interfacial viscoelasticity- 界 : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
- 面 : 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...
- 粘 : 粘動詞(粘附) glue; stick; paste; adhere to; bond
- 彈 : 彈名詞1. (彈子; 小球形的東西) ball; pellet 2. (內裝爆炸物, 具有破壞和殺傷能力的東西) bullet; bomb
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 界面 : [物理化學] interface; boundary; limiting surface
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Because the propellant grain is viscoelastic material, the liner and adiabatic layer are also viscoelastic one, the interface debond problem is actually interface crack about elastic - viscoelastic or bi - viscoelastic materials. research about this problem relates to the knowledge of viscoelastic mechanics and interface fracture and combustion. numerical analysis method about interface debond on solid rocket motor is researched in this paper
由於固體火箭發動機的推進劑藥柱是一種粘彈性材料,襯層和絕熱層也具有粘彈性性質,因此其界面脫粘問題實際上是彈性-粘彈性或雙粘彈性各向同性材料界面裂紋問題,對該問題的研究涉及到粘彈性力學、界面斷裂力學和燃燒學等相關學科。4. with visco - elastic boundary of soil considered, the eigenvalue equation in frequency domain of soil dynamic equilibrium equation falls into a complex transcendental equation. in course of seeking its solution, based on argument principle and contour integral, with the aid of matlab, two numerical algorithm combined with the corresponding procedures for solving transcendental equations in a complex plane is developed by the author
4 、由於考慮了土體的粘彈性支承邊界條件,使得其動力平衡方程在頻域內的固有值方程為一復數超越方程,為了求解該方程,筆者基於幅角原理和閉合曲線積分,結合matlab ,提出了復平面上超越方程的兩種數值解法,並編制了相應的程序。The results show that the dynamic elastic modulus, loss modulus and complex viscosity of the nanocomposite are higher than those of pp, while the loss factor is lower, that the complex viscosity of the nanocomposites is more sensitive to temperature, and that the flow activation energy and the crystallization temperature increase respectively by 15 % and 10k as compared with pp, which may contribute to the enhanced interfacial interaction between pp and ommt resulting from the addition of tmpp
結果表明:與純聚丙烯相比,納米復合材料具有較高的動態彈性模量、損耗模量和復合粘度,力學損耗因子則降低,納米復合材料的復合粘度對溫度的敏感性略高於聚丙烯;界面改性劑的加入增強了有機蒙脫土與聚丙烯的界面作用,與聚丙烯相比,納米復合材料的流動活化能提高約15 % ,結晶峰溫度提高10k左右。A developed measuring system and test method of green sand properties are introduced. by means of measuring the standard molding sand specimens, the dynamic curves of stress - strain can be quickly and accurately plotted out and several parameters, which represent the characteristics of molding sand, can be tested during the process of compressive deformation. in this brand new method of property measurement two new concepts of viscoelastic parameter and plastic deformation threshold are put forward
介紹了一種研製的型砂性能檢測系統與測試方法,通過對標準砂樣的測試,能迅速、準確地測得砂樣受載過程中的應力應變的動態關系曲線及反映型砂本質特徵的幾項性能參數,這是型砂性能檢測領域中的新探索,其中型砂粘彈性指標及塑性變形臨界值乃是型砂性能方面的新概念。In order to make full use of advantages of high stress precision in iem and wide use of fem, zonal fem - iem is constructed to establish a foundation of method in viscoelastic interface mechanics
為充分利用界面元法應力精度高、有限元法適用范圍廣的優點,還建立了分區界面元-有限元法列式,為粘彈性界面斷裂力學分析奠定了方法基礎。Afm - based single molecule force spectroscopy and optical tweezers can be used to study the molecule - level mechanical problems of polymer materials, which include the strength and elastic properties of single polymer chain, force - induced conformation transition of polymer chain, interaction among polymer molecules, adsorption strength and conformation of polymer chain on solid substrates, nanometer - scale viscoelasticity measurement and nano - tribology of polymer surfaces
摘要基於原子力顯微技術的單分子力譜法和光鉗法可用於研究聚合物材料分子層次上存在的力學問題,包括聚合物分子鏈的強度、彈性性質及外力作用下的構象轉變、分子間相互作用、聚合物分子的界面吸附以及聚合物表面的納米粘彈性和納米摩擦學等問題。2. effect of the viscosity ratio, mterfacial adhesion, processing conditions and composition on the dispersing morphology and properties of pp / eoc blends was investigated. low viscosity ratio and high shear rate during processing were found to produce fine and uniform dispersion of eoc in pp matrix, while low viscosity ratio, high interfacial interaction, good fluidity of elastomer and high shear rate in molding process resulted in fibril dispersion, which afford a guide for controlling the morphology of pp / eoc blends
研究了粘度比、界面相互作用、加工條件和共混比例等因素對pp eoc體系分散形態和性能的影響,發現粘度比小和加工過程中剪切強度大有利於彈性體在基體中分散均勻細化;粘度比小、界面相互作用強、彈性體本身的流動性好及成型時受到的剪切應力大,使彈性體相易變形,沿流動方向取向呈纖,闡明了各因素對形態影響的作用機制,這對pp eoc共混物的形態控制具有重要的指導作用。For the purpose of improving calculation precision and reduce workload, viscoelastic similar shape element is generated in the numerical research about crack problem, using the characteristic of similar stiffness matrix between element near crack tip
在裂紋問題的數值研究中,為了提高計算精度、減輕計算工作量,構造了粘彈性相似界面單元,利用裂尖附近相似單元剛度陣相似的特點,採用聚縮法形成裂尖超級單元。Elastoplastic behavior of particle reinforced metal matrix composites considering the interfacial debonding
有界面脫粘時顆粒增強金屬基復合材料的彈塑性性能分析Calculating example shows that the fracture parameters of viscoelastic interface crack have a time correlation behave, its extend is a kind of delay instability
計算表明,粘彈性界面裂紋的斷裂參量表現為時間相依性,粘彈性界面裂紋的擴展一般為延遲失穩。It is necessary to study the effect of weak interfacial bonding on the mechanical behaviour of metal matrix composites ( mmcs ), the micromechanical finite element method and the nonlinear spring element for the interface are employed to predict the effective behaviour of mmcs
論文採用非線性彈簧元模擬界面,用細觀力學有限元法計算分析了不同界面特性下弱界面粘結的纖維增強金屬基復合材料的宏細觀性能。The property of viscoelastic interface fracture and the calculating method of fracture parameter are investigated
研究了粘彈性界面斷裂的性質和斷裂參量的計算方法。The condensation method is used to form a super interface element. examples indicate that the
算例表明該方法能很好的用於粘彈性界面裂紋的斷裂分析。On the fundamental of thermo - viscoelasticity, the rate of viscous heat generation in csp matrix in relation with stress and strain status, is obtained. the meso - scale model is put forward, in which processes or phenomena such as viscous heat in csp matrix, heat conduction between csp matrix and oxidant particulates, decomposition of oxidant and its interfacial reactions with csp matrix, are described. the control equations are derived
應用熱粘彈理論、傳熱學、推進劑熱分解動力學等,分析推導了推進劑粘性加熱與應力應變的關系,建立了描述基體粘性加熱、基體與含能顆粒傳熱、含能顆粒受熱分解及與基體界面反應等過程的細觀模型,推導建立了模型控制方程。The constant compliant interface ( cci ) model included a finite interfacial strength for the interface
研究表明當界面粘結從強到弱變化時,復合材料的橫向彈性模量不斷變小。分享友人