韌度模量 的英文怎麼說
中文拼音 [rèndùmóliáng]
韌度模量
英文
modulus of toughness-
Filling flexibilizer, such as epoxy terminal block, polyurethane ether structure, thiokol and liquid ctbn to the system of expoxy - mannich amide, through the test on shear strength, bounding elasticity modulus and break strength of cured products, the different fuction could be found using different flexibilizers
摘要在環氧酚醛胺體系中使用端環氧基聚氨酯醚、聚硫橡膠、液體丁腈橡膠等活性增韌劑,通過對固化物剪切強度、彎曲彈性模量及斷裂強度的測試對比,可以看出不同增韌劑效果不同。4. the choice reference of medium belt material is came up with : with higher compress intensity, pull intensity and bend fatigue intensity, with middle or low elastic modulus, besides fine heat - resistant, wearable, oil - fast, water - fast anti - impactive capabilities
4 、提出並分析了介質帶材料的合理選擇原則:壓縮強度、拉伸強度和彎曲疲勞強度高和韌性好的中低彈性模量復合材料,此外還需具有良好的耐熱、耐油耐水性、耐磨性、抗沖擊性、耐候性等。2. because the fracture mode of 3d braided cmc is the interfacial fracture of mode i and mode ii, energy release rate gc and complex stress intensity factor kc was designated as characterization parameters of fracture toughness in the linear fracture theories. 3
根據三維編織c sic復合材料斷裂韌性的表徵問題屬于線彈性理論范疇以及材料斷裂模式是界面損傷破壞模式的實驗研究結果,提出了該材料的表徵參量應該使用與界面相關的型和型混合斷裂的能量釋放率g _ c ,或者使用復應力強度因子k _ c 。First, the basic mechanical capability and creep were proceeded on the material test system with the modified three point bending creep fracture test. the modulus and fracture toughness and tensile strength was attained and creep curve in 200 temperature was also presented. applying basic damage mechanical theory, thermal damage analyses were performed induced in fracture toughness and modulus, the practical formula of damage factors varying with temperature and time was given
首先利用改進的三點彎曲試驗在mts實驗機上進行了巖石力學性能和蠕變測試,得到了花崗巖在溫度影響下的彈性模量和斷裂韌度以及抗拉強度變化規律,並得到了200下北山花崗巖蠕變全過程曲線。This subject is to combine the steel fiber reinforced concrete with the lightweight aggregate concrete to form a steel fiber reinforced lightweight aggregate ( haydite ) concrete, which owns the advantages of high toughness of steel fiber reinforced concrete and the light weight of lightweight aggregate concrete. in order to get the main character and mechanical property parameter of strength and deformation of steel fiber reinforced lightweight aggregate concrete, we do the experiments of cubic compressive strength, splitting - tensile strength, bending strength, elastic modulus and axial compressive strength and summarize the influence laws to the relation of mechanical performance of steel fiber reinforced lightweight aggregate and the quantity of steel fiber
鋼纖維輕骨料混凝土兼有鋼纖維混凝土的韌性高和輕骨料混凝土質量輕的優點,為了掌握這種新型材料的主要特徵和強度、變形等力學性能,本文進行了鋼纖維輕骨料混凝土的立方體抗壓強度、軸心抗壓強度、劈裂抗拉強度、抗折強度和彈性模量等試驗研究,總結出鋼纖維摻量對鋼纖維輕骨料混凝土的力學性能的影響規律。Making use of many layers composite technique and heat press technique to make artificial skull, through a series of performance testes ( including elongate performance, compress performance, curve performance, concussion performance, lay cut performance, concussion cut performance ), making use of drainage method to calculate its average density, which is 1. 25kg / m3, and combustion method to calculate its content of macromolecule, which is 57. 7 %
利用多層復合技術和模壓技術制備來的人工顱骨復合材料,通過對其一系列性能測試(包括拉伸性能、壓縮性能、彎曲性能、沖擊韌性、層間剪切強度和沖擊剪切強度等) ,證明了該復合材料具有良好的物理機械性能。採用排水法計算復合材料的平均密度為1 . 25kg m ~ 3 ,採用灼燒法計算復合材料的含膠量為57 . 7 ,證明該復合材料比強度較高。In the aspect of improving the cracking feature, compatibility and flexibility, the author has done experiments, including strength, modulus of elasticity experiments, and design some experiments similar to the practical structure and circumstance including adhesion strength between fresh mortars and old ones, between mortar and polystyrene board, mortar shrinkage in concrete circle, mortar shrinkage at different strength and different polymer - cement ratio, and temperature deformability at different strength and different polymer - cement ratio on mortars, on different type of formwork and on mortars with different type of formwork
在改善砂漿抗裂性、提高柔韌性和協調變形能力方面,進行了不同聚合物摻量的強度試驗、彈性模量試驗;設計了與模網混凝土實際結構和情況相接近的新老砂漿粘結強度試驗、砂漿與苯板的粘結試驗以及混凝土環中的砂漿收縮試驗;進行了不同強度、不同聚合物摻量下的砂漿干縮變形試驗、溫度變形試驗,以及不同結構形式的鋼網自身溫度變形試驗和配有鋼網的砂漿溫度變形試驗。Lwac is becoming one of the important trends in the development of modern concrete. to solve the problems such as poor workability, large shrinkage value and crack easily of lwac, on the basis of systematic experiments, the author establishes lwac workability evaluation system and advances the testing method of pumping performance of lwac ; the control technology of discrete of lwac is introduced through analyzing structure formation process and establishing the mathematic model ; based on studying the strength source of lwac and the function mechanism of artificial additive, this paper not only confirms some major factors which affect concrete strength but explores the preparation technology route of high strength lwac ; the different effects of several fibers in lwac have been studied, and the fiber is introduced in pumping lwac to improve its crack - proof performance
本文針對輕集料混凝土工作性能差、收縮變形大、易於開裂等問題,根據大量實驗建立了高強輕集料混凝土工作性能的評價體系,提出了高強輕集料混凝土可泵性的測試方法;通過分析輕集料混凝土的結構形成過程,建立了輕集料混凝土拌和物物料運動的數學模型,提出了防止輕集料混凝土分層離析的技術措施;通過對輕集料混凝土強度來源和礦物摻合料的作用機理的深入研究,確定了影響輕集料混凝土強度因素的主次關系,提出了配製高強輕集料混凝土的技術路線;研究了纖維在輕集料混凝土中的增強增韌、減少收縮的作用機理。Through theoretical analyses in the article, the highly tough top - coal deflection before destroying is in inverse proportion to elastic mould, in direct proportion to tensile strength, and the conclusion that bigger deflection roof can ' t sufficiently transmit the compressible support to top - coal is drawn
通過理論分析,獲得了高韌性煤層煤體在破壞前的撓度與彈性模量成反比,與抗拉強度成正比的關系,並得出撓度較大的頂板不能很好把支承壓力傳遞給頂煤的結論。A model for fracture toughness of high strength aluminum alloys containing second particles of various sized scales
含有不同尺度量級第二相的高強鋁合金斷裂韌性模型Viewing solely from their performance, mdf, dsp, rpc all enjoy a high compressive strength. their flexural strength, fracture toughness and elastic module have broken the limit of traditional cement based materials. all these materials have acquired the features of high toughness material
從材料性能審視,無宏觀缺陷水泥基材料、均布超細顆粒緻密體系、活性粉末混凝土等的抗壓強度都非常之高,其抗拉強度、斷裂韌性和彈性模量也突破了傳統水泥基材料的限度,這些材料具備了高強韌性材料的特徵。The multi - purpose tester developed here is aim at testing the mechanics performance of the brittle material, which bases on modular design thought, it contains several modules as the machinery load component, platform of supporting, the function modules and the software system, they can be combined in different function modules to satisfies the need of different application situation. the tester can be used to measure not only general material properties such as elastic modulus, ultimate strain, strength, hardness and toughness, fatigue properties but also various special properties such as the local strength, and surface residual stress at the different location of the brittle component with non - destructive methods. thus the security and reliability of the brittle component can be evaluated and predicted
本文基於模塊化設計思想,研製了一臺專門針對脆性材料力學性能測試的多功能脆性材料試驗儀,其主要包括機械加載模塊、支撐平臺、功能模塊、測控系統、軟體系統等模塊,通過對這些模塊的不同組合可實現不同的功能及滿足不同應用場合要求;系統除了具有測試脆性材料的彈性模量、極限應變、強度、硬度、韌性等常規性能外,還具有無損測試玻璃構件不同位置的局部強度和表面預應力,進而對玻璃構件的安全可靠性和壽命進行預測等功能。In this study, the rabbit knee was immobilized in extenison for 6 weeks, then the mechaincal properteis of pt were investigated
我們將兔膝關節伸直位制動6周,然後對制動前後髕韌帶的本構方程、極限強度、彈性模量、極限載荷等力學特性進行研究。The larger molecules also contribute more significantly to strength and toughness in the solid molded product compared to the shorter molecules
對于固體制模產品來講,大的分子量比小的分子量具有更大的強度和韌度。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。It was revealed that elastomer or filler had its strong point as modifier of pp. at the same matrix ligament thickness l, improvement of toughness by elastomer was obviously higher than that of caco3, while adding caco3 increased the modulus, hardness and heat deflection temperature of pp
0刀9匆m人指出用彈性體和無機剛性粒子作聚丙烯的增韌劑各有所長,在相同基體帶厚度l下,彈性體提高韌性的程度明顯高於c3co3 , c3co3則使聚丙烯的模量、硬度和熱變形溫度等明顯提高。The results of the experiment are as follows : the bend strength, bend modulus, stiffness and toughness of the mortar layer will be improved when add 30 % fsmf to resin. the axis tensile strength, stiffness, hardness and weariessness of winding layer will be improved when add 25 % ~ 30 % fsmf to resin
提出了應用設想並進行了實驗研究,結果表明:在樹脂中加入30 %的fsmf ,可提高夾砂層的彎曲強度、彎曲模量、剛度和韌性;在樹脂中加入25吠屍30 %的fsmf ,可提高纏繞層的軸向拉伸強度、剛度、硬度和耐磨性,降低成本。The results show that fsmf can improve the bend modulus of the resin cast clearly, but reduce the tensile strength. in the suitable content of filler ( not more than 30 % in this experiment ), fsmf can improve the tensile modulus and bend strength. in the suitable content of filler ( 20 % ~ 30 % in this experiment ), fsmf can improve the toughness of the resin cast
結果表明: fsmf顯著提高樹脂澆鑄體的彎曲模量,但降低拉伸強度;在合適的填料含量(本實驗中為30 )下, fsmf可提高樹脂澆鑄體的拉抻模量和彎曲強度;在合適的填料含量(本實驗中為20 30 )下, fsmf可起到增韌效果,改善樹脂澆鑄體的斷裂韌性。The changes of microstructure and moduli caused the increasing of fracture toughness and three point bending strength of c / sic and the weakly bonding between fiber and interphase, which is helpful to the cra ck expansion
微結構和模量的變化使得沉積sic后復合材料的斷裂韌性和三點彎曲強度提高,纖維和界面相結合減弱,有利於裂紋擴展。The results showed that the stress - strain realtionship of pt could be expressed with exponential functions, and there were significant differeces between the normal group and the immobilized group in their theoretical curves of stress - strain relationship and two material constants of pt. also, significant differences were found in tensile strength and tangent modulus between the two groups, but the maximum load of pt in the immobilized group did not decrease significantly
結果顯示:正常組與制動組間髕韌帶的應力-應變關系理論曲線有明顯不同,其材料常數亦有顯著差異;制動組髕韌帶的極限強度和彈性模量較正常組均有明顯下降,其極限載荷下降不明顯。分享友人