拉伸應力強度 的英文怎麼說
中文拼音 [lāshēnyīnglìqiángdù]
拉伸應力強度
英文
intensity of tensile stress- 拉 : 拉構詞成分。
- 伸 : Ⅰ動詞(展開) stretch; extend Ⅱ名詞(姓氏) a surname
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 強 : 強形容詞(強硬不屈;固執) stubborn; unyielding
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
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This specially designed machine tests numerous materials, including varieties of shoe soles, tires, rubber hoses, rubber belts, pvc cloth, pvc boards, package films, acrylics, ftp, abs, and eva. products, semi - products or dumbbell specimens are tested for their tensile strength, elongation, tearing, and adhesive stress - strain, peeling, shearing, and adhesion to metal and rubber
試驗各種材料及鞋、輪胎、橡膠管、三色膠帶、塑膠布、塑膠板、包裝用膜薄膜等成品、半成品啞鈴狀試片之拉力強度、伸長率、撕裂、膠著力、抗拉應力、剝離、剪力、橡膠與金屬之粘合力。Tensile stress concentrations and strengths for notched unidirectional laminates
割口單向疊層板的拉伸應力集中與強度Results of study show that inception voltage of electrical tree, breakdown voltage, environmental stress cracking, tensile strength and elongation at break of low density polyethylene are improved after grafting
研究結果表明:接枝聚硅氧烷后,改性的低密度聚乙烯的樹枝引發示性電壓、擊穿場強、耐環境應力開裂性、拉伸強度及斷裂伸長率都得到提高。Through experiment and analyzing the changes of the thickness, rigidity, tensile strength and the opening rate of the conduits caused by the different kinds of coating material, the thickness of the coating and the different braiding structures, we investigate the physical and mechanical, properties of the braided conduits. the results show : the chitosan is easy to form the film structure on the surface of the conduits increasing the conduits ' rigidity clearly ; the rigidity and opening rate of the braided structure with inserted reinforcing yarn are better than the others, this will prevent the conduits collapsing and distorting effectively in the practical uses, so we select conduits of this structure for animal experiment
在導管的物理機械性能研究方面,本課題通過塗層劑的種類( pgla丙酮溶液和甲殼胺漿液) 、塗層劑的厚度、導管的編織結構三個方面分析它們對導管的厚度、硬挺度、拉伸強力和孔隙率等性能的影響。測試結果顯示:甲殼胺塗層易於在導管表面成膜,對導管的硬挺度有明顯提高,塗層效果較好;加筋結構神經導管在硬挺度和孔隙率方面優于其它導管,能有效防止導管在實際應用中的塌陷變形。Developing a software for the testing machine measuring and controlling system. the software can automatically switch control mode according to standard in the process of tensile testing and automatically judge constitutive mode of material. at the same time, it can automatically measure elastic modulus e, yield strength o s, proof strength, non - proportional extention o 0. 2, percentage extention 8, tensile strength o b, etc. it can applied in industry practice
在經典pid控制與模糊控制的基礎上,設計了模糊自適應pid控制應用於試驗機的應力、應變及位移控制; 3 、開發了一套完整的試驗機測控系統軟體,能在試樣拉伸過程中按標準自動切換控制方式並自動判別材料本構模式,能夠自動測定彈性模量e 、屈服限_ s 、條件屈服限_ ( 0 . 2 ) 、延伸率、強度限_ b等,應用於工程實際。The response of mmcs has a turning point, associated with the initiation of interfacial debonding, which is decided by the interfacial strength. unlike the two predecessors, the evolving complaint interface ( eci ) model allows unloading of interfacial stresses
在常響應界面情況下,復合材料橫向拉伸應力?應變曲線存在明顯的轉折點,對應于界面分離的始發點,轉折點的位置取決于界面粘結強度。Ltd. a coupled vibration method on suspended free poles is employed to determine the initial young ' s modulus at elevated temperatures, also the thermal expansion coefficients of fire - resistant steel
通過高溫下的恆溫加載拉伸試驗,得到不同溫度下耐火鋼的屈服強度、極限強度、延伸率、面縮率和應力應變關系,並測定高溫下耐火鋼的熱膨脹系數,採用懸絲耦合共振法測定高溫下耐火鋼的初始彈性模量。On the basis of the research by former people, the work of this paper includes several aspects as follow : throughout a great deal of experiment of the mechanics performance of 2d weave c / sic composite materials laminated plate, we simulated the nonlinear relationship between a and e in the tensile course ; and we inspected the original damages and the damages evolvement ; and we made the statistic analyses of the tensile strength. some important conclusions have been given in the paper
主要有以下幾個方面:在大量二維編織c sic復合材料力學常規性能的實驗基礎上得到了拉伸實驗中卸載點和卸載模量,卸載模量和加載斜率,加載斜率和應力等之間的關系,並在此基礎上得到了模擬同種材料拉伸曲線的非線性的應力?應變關系;配合我們的實驗過程進行初始損傷和缺陷的檢測以及實驗過程中材料損傷演化過程的動態無損檢測;對我們現有的二維編織c sic復合材料拉伸強度數據進行了分佈擬合。Elastic - plastic bending induced residual stress and its influence on tensile yield strength of plates
彈塑性彎曲所致殘余應力及其對板料拉伸屈服強度的影響Through the strong pulling tests of four kinds of synthetic fiber filter cloth, the mechanical performance index of the filter cloth in dry and wet conditions were measured, the influence of various pulling speeds on the fracture strength and the fracture tensile rate of the filter cloth was derived. it was concluded that the stress of the filter cloth could relax when it was beyond the yield point
通過4種合成纖維濾布的強力拉伸試驗,測得了濾布在干、濕兩種狀態下的力學性能指標,得出了不同拉伸速度對濾布斷裂強度和斷裂伸長率的影響,同時指出當濾布的應力超過屈服點時,會出現應力松馳現象。In this paper, the microstructure changes of polypropylene induced by a complex combination of shearing, compression, stretching and friction actions during single pan - milling or co - milling with iron, uhmwpe and waste tire rubber chips ( wtr ) were studied and the stress induced effects were revealed. the structure and morphological development of iron particulates and wtr during pan - milling and co - milling with polypropylene were also characterized. the properties of pp / fe, pp / wtr and pp / wtr / fe composites prepared through pan - milling techniques were investigated
本文利用磨盤型力化學反應器對被碾磨材料施加強大的剪切、環向應力、擠壓、拉伸和摩擦作用,研究聚丙烯碾磨和共碾磨粉碎過程微觀形態結構和性能的變化,以及聚合物在碾磨過程中呈現的力化學現象,並將其應用拓展至金屬、橡膠等體系,研究碾磨粉碎在聚丙烯鐵超微粉體的制備、高交聯密度彈性材料廢舊輪胎橡膠( wtr )的超微粉碎,以及pp fe , pp wtr材料的性能與碾磨作用的關系。Tensile strength corresponds to the maximum tensile stress that may be sustained by a specimen
抗拉強度是指樣品可能承受的最大拉伸應力。The main structure stress of the car body is particularly analyzed. it is analyzed and calculated under vertical load case, lengthwise stretch load case, lengthwise compression load case, air pressure power load case, operating load case. result shows : the structure distortion harmonize, strength - weakness positions represent local stress focus
通過對垂向載荷工況、縱向拉伸載荷工況、縱向壓縮載荷工況、氣動載荷工況和運用狀態垂向載荷工況的分析計算,結果表明:該車鋼結構變形協調,強度薄弱部位主要表現為局部應力集中。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。Then, a step - by - step increase of vertical curvature is applied to the hull girder assuming that the plane cross section remains plane. at each incremental step, the stress of the cross section is evaluated using the average stress - strain curves of the elements as well as the incremental bending moment due to the curvature increment. performing sample calculations on existing girder models tests under pure bending, the rationality of the proposed method was examined
假設船體橫向框架材足夠強,因而板架的整體破壞不會發生;基於梁?柱理論、理想彈塑性假設、平面假設,建立了拉伸和壓縮加筋板單元的平均應力?應變關系曲線,應用船體結構總縱極限強度的簡化逐步破壞分析方法計算船體總縱極限彎矩,並據此開發了計算程序sus 。Experiment results show that, with the increase of frequency and swing, the dispersing, physical and flame retardant performances are improved greatly, tension strength, impact strength and oxygen index have increased about 32 %, 39 % and 10 %, and finally arrive a steady value
實驗結果表明:隨著振動頻率和振幅的增加,無機阻燃劑的分散性能、製品的力學性能和阻燃性能也會相應增加,拉伸強度、沖擊強度和氧指數可分別提高約32 % , 39 %和10 % ,但其增加的速度是逐漸減少的,並最終達到一個穩定值。The carbon fibers with low strength are broken easily according to thermal tension and bend stress damage models, and the carbon fibers with high modulus are broken easily according to thermal shear stress damage model in spite of less damage caused by heat. the carbon fibers with surface glue of epoxy resin are damaged easily in physical and chemical ways because of high oxygen extent and rigidity of epoxy resin
低強度碳纖維容易在熱應力拉伸或彎折破壞模式下損傷;高模量碳纖維高溫損傷小,但國防科學技術大學研究生院學位論文容易以熱應力剪切破壞模式下斷裂;環氧樹脂表面膠剛性較大,氧含量較高,使碳纖維容易受到化學損傷和熱應力彎折損傷,均不宜用來制備c燈sic復合材料。We analyes post - tensioned prestressing properties and comparing with practiced results. we analyse one - way precast slab sandwich negative moment section resistant crack properties and two - way precast slabs sandwich under plane resistant crack at unprestressed section and second - prestressing propties. we compare canceling bonded reinforcement with laying on bonded reinforcement resistant crack properties and deformation. auxiliary lab include : concrete resistant pollution intensity. concrete resistant compressing intensity and elastic modulus, compare with results of code. analyse sandwich ' s strain and long - time stress, strain and introduce a new method through theory calculating long - time stress and strain
配套的試驗研究有:混凝土的抗拉強度和彈性模量試驗及混凝土的抗壓強度和彈性模量試驗,混凝土的極限抗拉強度和極限拉伸應變試驗,並與《混凝土結構規范》 ( gb50010 - 2002 ) ,結果進行了對比;單塊夾層板放張階段的彈性應力、應變分析和長期應力、應變分析,並詳細介紹了按混凝土徐變理論進行長期應力、應變分析的方法。When sintered at 1050c, the wear resistance of the composites were better than that of the ferroalloy under both low and heavy load without oil lubrication. the wear resistance, hardness, and other mechanical properties of the composites with nickel coated sic were better than those of the composites with bare sic particles. however, when sintered at 1100c, interfacial reaction became so acute that the properties of the composites with nickel coated sic particles was worse than those of the composites with bare sic particles
試驗結果表明:與鐵合金相比,在1050時燒結時,加入適量的sic后,耐磨性有較大的提高;而且加入鍍鎳sic的復合材料的耐磨性、硬度和拉伸強度等力學性能比加入相同含量的未鍍sic的材料的性能要好;在1100燒結時,由於界面反應的加劇,含有鍍鎳sic材料的性能反而比含有未鍍sic材料的性能差。Testing of rubber ; determination of tensile strength at break, tensile stress at yield, elongation at break and stress values in a tensile test
橡膠試驗.在抗拉伸試驗中斷裂抗拉強度屈服應力值分享友人