蠕變行為 的英文怎麼說
中文拼音 [rúbiànhángwéi]
蠕變行為
英文
creep behavior-
At the same time we study, analysis and discuss the action that non - linearity - stickiness - springiness and crazing damage of the pmma sample under creep though making us of the knowledge about the high molecule physics the damage theory of material of rheology of bodies with defects. through the study and theory analysis of single - axes stretching experiment in pmma sample under creep, take the surface crazing damage density of pmma sample as an variable, to look for a commonly rule that the crazing damage of pmma, and to offer a feasible damage model for the sake of study that of pmma ' s remoteness damage
同時運用高分子物理、含缺陷流變性物體的材料破壞理論等知識,對無孔洞pmma試件和有孔洞pmma試件蠕變條件下非線性粘彈性行為及其銀紋損傷現象進行了研究、分析與探討,通過對蠕變條件下的pmma試件的單軸拉伸實驗研究和理論分析,以pmma試件的銀紋損傷面密度值為損傷變量,來嘗試尋求pmma銀紋損傷的一般規律,為研究pmma的細觀損傷提供了一種可行的損傷模型。Creep specimens ( different braiding structure, surface braiding angle, fibre volume content and under different loads ) were tested, which is the basis of studying their creep behaviors
並對不同編織結構、不同編織角、不同纖維體積含量、不同應力水平的三維編織復合材料試樣進行了蠕變行為測試實驗。We use the method of finite element analysis to find the most dangerous section of the rotator. through setting up a model of rotator, calculating the temperature and stress field of rotator, we get the section. then we supervise the section online, calculate the practical fatigue life loss and creep life loss
我們使用有限元分析法,通過建模,計算轉子溫度場、應力場,得到最危險截面,然後對危險截面進行在線監測,計算實際運行中的疲勞壽命損耗和蠕變壽命損耗,為安全經濟運行提供有效監控手段。( 7 ) basing on defining damage variable with flaws in rock, this paper uses linear viscoelasticity fracture mechanics to set up a damage reep model and analyses the model
( 7 )在用巖石中大小、方位和位置均為隨機分佈的裂紋定義損傷變量基礎上,利用線粘彈性斷裂力學原理對考慮裂紋內水壓的巖石的損傷蠕變問題進行了建模和分析。In this paper, we take high molecule physics and the damage theory of rheologic material with lacuna as the basic, make the experiment as a mostly measure, take the pmma as a research object, to study the pmma ' s nonlinear viscoelasticity of high polymer. the technique showing minute details in minute view measure is used by the author to observe the change of crazing damage density follow the change of stress, time and temperature in term of creep and flab
本文以高分子物理學、含缺陷流變性物體的材料破壞理論為基礎,以實驗為手段,以工程中常用的pmma為研究對象,對pmma銀紋破壞的非線性力學行為進行了研究。作者採用顯微技術,對pmma在蠕變或鬆弛條件下,不同應力水平和不同基溫下的pmma銀紋損傷進行了實驗研究。Facture damage behavior of wood - bamboo composites board under the mutual action of fatigue and creep was studied
摘要研究了在疲勞蠕變交互作用下竹木復合層合板的斷裂損傷行為。So far, many studies on general properties of 3d - c / sic have been carried out, but the study on its interaction fatigue - creep and thermal shock behavior, especially at high temperature, has not been reported
文獻中對其常規力學性能研究較多,而對其熱震和疲勞蠕變交互作用行為鮮見報道。Therefore, a systemic and in - depth study is of significant importance for improving, engineering design and application of 3d - c / sic on the interaction fatigue - creep and thermal shock properties
研究3d - c sic熱震和疲勞蠕變交互作用行為和積累更全面的性能數據,對改進該材料、工程設計和應用具有重要的意義。With engineering polymer - pmma taken as the main researched object and viscoelastic failure considered as the theory basis, the non - linear viscoelasticity and crazing damage phenomena under creep condition in macromolecule material were researched by means of experiment
本文以工程高聚物pmma為主要研究對象,以粘彈性破壞理論為基礎,以實驗為手段,對高分子材料蠕變條件下的非線性粘彈性性能及其銀紋損傷現象進行了初步探討。During the operation of equipments in the modern industry, the interaction of fatigue - creep under complex condition is often the cause of the failure of equipments. for the other side, with the rapid development of science and technology, the study like this is booming, and the subject is becoming an integrated subject including macro - mechanics, metal microstructure and so on
現代石化行業中的設備在操作過程中,疲勞破壞以及材料的蠕變交互作用影響著設備的使用壽命;隨著科學技術的飛速發展,疲勞-蠕變交互作用研究也已經成為宏觀力學理論與金屬微觀結構學等綜合為一體的新興學科。Nylon is predominantly used past the useful pressure range of tfe because of its ability to resist permanent deformation ( or creep ), and recovery after load
在tfe有效壓力范圍內,尼龍以前被廣泛的使用,因為尼龍具有抗永久性變形(或蠕變)的能力,並且在負載后能夠自行恢復。Using biomechanics methods, through the study of the influence of different injection and maintain period on the expansion efficacy and shrinkage rate of skin, a rapid expansion method with relatively big expansion area is proposed ; biomechanics analysis in vivo is been made on the expanded skin ; comparing the biomechanics property in vitro of the rapid expansion and conventional expansion with different maintaining times, the parameters such as strength, stress - strain relationship, stress relaxation and creep which reflect the characteristic of the expanded skin have been obtained ; making the research of the expanded skin ' s biomechanics changes at different stage after grafting, the long - term and short term diversified regular has been obtained ; making experimental study and discussing the changes in the microcirculation and vessel structure of exceedingly expanded shin, the relationship between survival length of flap and the changes has been gotten
本課題旨在用生物力學的方法通過動物實驗來研究不同注水擴張期和維持擴張期對皮膚擴張量和皮膚回縮的影響,探討有效獲取較大的擴張皮膚面積的快速擴張方法;對擴張皮膚進行在體生物力學特性分析;比較了快速擴張和常規擴張在不同維持期的皮膚離體生物力學特性,得到離體生物力學各參數,如強度、應力?應變、應力鬆弛、蠕變等;為全面了解擴張皮膚在移植后的近期和遠期的變化規律,做了擴張皮膚移植后不同階段的生物力學變化的實驗研究;探討了不同擴張量時皮膚的微循環變化和血管結構變化與皮瓣存活的關系。From an examination of the tensile behavior of cz ly12 alloys under different temperature and strain rate, two kinds of deformation and intergranular fracture behaviors were observed that were opposite to the characteristic strain rate range in fine - grained superplasticity. the mechanisms are described as follows. the high ductility achieved at high strain rate is generally attributed to the dominant role of gbs accommodating mechanisms, which is considered as dislocation creep within grains controlled by subgrains
研究選用自然時效淬火態的ly12鋁合金,進行了一系列不同溫度和應變速率下的單軸拉伸試驗, 480下,觀察到與傳統細晶超塑性特徵區間相反的行為:較高應變速率下,動態再結晶使晶粒細化,促進了晶界滑移,亞晶界控制的晶內位錯蠕變是晶界滑移的主要協調機制。The creep coefficient method and the time - stress equivalence principle are used to investigate the creep behavior of plastic geogrids
摘要運用蠕變系數法和時間應力等效原理分析塑料土工格柵的蠕變行為。The research background is based on creep and stress relaxation phenomenon in engineering structures. the problem is focused on viscoelastic cylinders in this paper
本論文以工程中結構模型的應力鬆弛現象和蠕變現象為研究背景,對粘彈性力學柱體問題進行研究。Creep deformation of al2o3 - tin composites obtained with two processings
復合物的蠕變行為The tensile creep and rupture behavior of a three - dimensional c / sic composite has been investigated in this thesis
本文研究了3d - c sic復合材料的高溫拉伸蠕變行為。On the study of the influence of the interphase properties on the creep behavior of short fiber enforced metal matrix composites
界面特性對短纖維金屬基復合材料蠕變行為的影響The conclusions and the fit equations were got. 3 - d braiding composite ' s life span is predicted by extrapolating its creep behavior based on the combination of testing data and theory formula
在實驗數據和理論公式相結合的基礎上,對三維編織復合材料蠕變行為進行外推,預測了三維編織復合材料的長期使用壽命。So creep property is an important guideline to characterize its mechanics performance. the research of three dimensional braiding preform reinforced resin composite ' s creep property was conducted systematically by this thesis with creep testing system, experimental analysis, theoretical analysis, and some new opinions and methods are proposed
本文從樹脂基三維編織復合材料的蠕變測試系統,試驗分析、理論分析等方面,對樹脂基三維編織復合材料蠕變行為進行了比較系統的研究,提出了一些新的觀點、新的方法。分享友人