累積變形 的英文怎麼說
中文拼音 [lěijībiànxíng]
累積變形
英文
accumulated deformation-
Equal channel angular processing of the pearlitic steel ( 0. 65 wt. % c ) was successfully carried out at 650 with route c in this study, obtaining a total equivalent true strain ~ 5. the microstructure evolution of pearlitic steel in ecap was investigated by means of transmission electron microscope and scanning electron microscope. the main results are as the following : 1
本研究成功地實現了c方式650珠光體鋼65mnecap變形,累積等效真應變達到5 。並用透射電鏡、掃描電鏡研究了珠光體組織的演變特點和滲碳體的變形。主要結果如下: 1As an advanced materials preparation technology, spray - deposition has shown remarkable superiority in producing large - sized alloys and metal matrix composites. however, the spray deposeted preforms usually contain a certain quantity of porosity. besides, the oxide films on the surface of the particles lead to week metallurgic conjunction between the particles. in order to obtain an ideal structure and performance, the porous preforms need further densifying and plastical forming. in this paper, a new technology named wedge pressing was used to densify spray - deposeted 5a06 aluminium alloy, in which the large deformation can be obtained through the sum - up of local deformation and multi - step small deformation. this method can also solved the problems in traditional processing and greatly decreased the producing cost. what ’ s more, the reserch on the wedge pressing desification rules about the large - sized spray deposeted preforms was significant it was vital not only to the further densification of the prefoums but also to the further research on plastical deforming the research was also benefit to the industrialization an the application of the spray deposeted porous materials
坩堝移動式噴射沉積技術作為一種先進的材料制備新技術,在制備大尺寸合金及金屬基復合材料方面具有顯著的優越性。然而噴射沉積坯件特別是大型坯件通常存在一定量的孔隙,顆粒表面存在一定量的氧化膜,顆粒之間未能完全達到良好的冶金結合狀態,因此需要進行后續緻密化和塑性變形才能獲得理想的組織和性能。本文採用一種新型的楔形壓制工藝,即通過局部變形、多道次小變形累積實現大變形的緻密化加工方法,對噴射沉積多孔坯料進行后續緻密化和塑性變形,很好地解決了傳統加工工藝的難題,大大降低了生產成本。By infrared spectrum study, the limonite ( feooh nh2o ) can be considered the main colorating mineral in the yellow and red jadeite, and the hematite is another colorating mineral in the red jadeite. the difference of color tone is due to the n value in the molecular formula feooh nh2o and the content of crystal water and adsorbent water. the iron ion came from the effloresced and eroded rocks, and formed fe ( oh ) 3 colloid reacted with the surface water
周圍礦床的風化蝕變為表生水提供了鐵質,形成弱酸性的含fe ( oh ) _ 3膠體的水溶液,表生水流經翡翠礦石時, fe ( oh ) _ 3膠體附著在巖石的表面,經過脫水結晶和吸附,形成褐鐵礦膠體,褐鐵礦膠體沿裂隙或鬆散的礦物顆粒進入翡翠巖石中,逐漸累積沉澱,形成次生色層。Having analyzed preliminarily formation mechanism of these common characteristics of anomaly, it concludes that : these are results, controlled by basically united tectonic stress field of large - range, caused by stress - strain accumulation and certain phase strong earthquakes, according to deformation difference brought about in tectonic position along the boundary zone and within second - order faults of active blocks resulted from unstable and inharmonious features for movement of block system at different levels and deformation of boundary
分析這些異常共性特徵的形成機制,初步認為:是在基本統一的大區域構造應力場控制下,不同層次塊體系統運動及其邊界帶變形的非平穩、非協調性,在活動地塊邊界地帶和地塊內部次級斷裂構造部位產生變形差異而導致應力-應變積累、孕育強震到一定階段的結果。The anti - wearing property of chme steel is 15 percent to 35percent higher than zgmnl3, which is a widely used anti - wearing steel. the reason of the excellent mechanical properties and anti - wearing property of chme steel is that the heat treatment sturcture of chme steel is composed of tempered martensite, bainite, temper troostite, remaining austenite and carbonide
磨面分析表明, chme鋼基體高強度,高硬度、良好的強韌性配合和碳化物硬質點的彌散分佈,磨痕細短淺小,擠塑變形區細小均勻,抵抗沖擊滑動累積塑性疲勞能力強,是其耐磨性比zgmn13高的原因。The damage performance - based aseismatic design method can calculate distortion and dissipating hysteretic energy under seismic action, and form intuitionistic aim matrix of damage performance by damage index
基於地震損傷性能的設計方法考慮了地震作用下結構的變形和累積耗能,並將性能量化為損傷指數,形成直觀的損傷性能目標矩陣。The result shows that under the effect of repeated impact load, the stress wave produces reflection in the metallurgical junction plane between coating and basal body, and forms stretch wave causing longitudinal split and angle split of coat ; the microcosmic spot pitting and deep layered peeling off occur in coating surface due to stress concentration ; the energy accumulation of impact loading causes rigidity variation and plastic deformation
結果表明:在多沖載荷作用下,應力波在塗層和基體的冶金接合面發生反射,形成拉伸波造成塗層的縱裂和角裂;在塗層表面由於應力集中,塗層表面發生微觀點蝕和深層剝落;沖擊載荷能量的積累,造成塗層試樣硬度變化和塑性變形。Lastly, by philosophical analyzing the article draws conclusion : going on with efficient institutional change asks for dynamical grasping of path characteristic. so at present in order to advance the change the cumulative cost of institutional gradual change must be apportioned reasonably ; adjusting the change strategy wholly makes unitary institutional innovation accompanying configurable innovation ; switching institutional change mode neatly makes sure that the following change is efficient ; government ' s playing the leader role of institutional change makes adverse path dependency be got over and thoroughly resolves the shortage problem of effective institution
最後,運用通觀全局、抓主要矛盾與矛盾的主要方面的哲學方法進行總結性分析,得出「繼續實現富有成效的制度變遷需動態把握路徑特徵」的結論,那麼,現階段應該對漸進式制度變遷的累積成本進行合理分攤,確保進一步變遷順利推進;從總體上調整制度變遷策略,形成由單項制度創新所引領的制度結構創新安排;針對變遷過程適時靈活轉換變遷方式,使變遷方式交叉復合、優勢互補,確保進一步制度變遷的效率;強化政府的變遷主體地位,以克服不利的路徑依賴,從根本上解決阻礙進一步變遷的有效制度缺失問題。Therefore, in the study nonlinear phenomena in high energy collisions the hfm can be used only in combination with the cumulant variables
因此,在高能碰撞非線性現象(間歇和分形)的研究中,只有採用了累積變量時,才能使用橫向階乘矩進行計算。In this paper, the characteristics of large plane - pure - shear deformation is analyzed. based on the principle of strain accumulation, the equivalent strain formulae of large plane - pure - shear deformation is derived
摘要本文分析了平面純剪切大變形的變形特徽,基於應變累積的觀點,推導出等效應變值的計算公式。In chapter2, we establish the model of present value of benefits, which is fitted to two situations - single life situations and multiple life situation : where b ( t ) is a positive function, is force of interest accumulation function, i ( t ) is indicator function and t is the remaining life of the insured
第2章提出了具有一般形式的變額壽險的給付現值模型,適合於單生命狀態和多生命狀態兩種情形:其中b ( t )為正值函數, y ( t ) = t + ? y ( t )為息力累積函數, i ( t )為示性函數。 t為被保險人的余壽。A better knowledge of their etiologic factors and their pathogenesis could have important practical implications for prevention. it is well known that maternal age is one of etiologic factors. but maternal age is just the effects of accumulated environmental factors on human body
已有的研究發現母親生育年齡是染色體不分離疾病發生的危險因素,但母親生育年齡只是環境因子在體內累積作用的表現形式,隨著人們生活水平提高,人類生存環境發生了很大的變化,有必要分離當前與染色體不分離有關的環境因子,從而有利於預防染色體不分離疾病的發生,提高我國人口素質,降低人口數量。The development of all lands of strains of the concrete is observed. it is found that, for the scc walls, the majority pre - built compressive stress is relaxed due to the creep. hence, the creep has a rigidity effect on the build - up of the tensile stress
通過對混凝土各項變形隨時間發展的時程分析結果表明,對補償收縮混凝土墻,徐變總體上起到消耗膨脹壓應力的作用,對拉應力積累具有剛化效應。Beams are researched, and the relation between strains of corroded re - bars and fatigue life of beams are obtained. the main research contents and conclusions are as following : 1. under the fatigue loads, the overstrain of concrete approximately coincidences three stages strain development and accumulation rule, and the mechanical property of concrete is deteriorated
鑒于實際工程中大量存在腐蝕鋼筋混凝土結構承受反復荷載作用,但其力學性能研究不多的問題,本論文進行了銹蝕鋼筋混凝土梁抗彎疲勞試驗,研究了應力比和鋼筋銹蝕率對銹蝕鋼筋混凝土梁抗彎疲勞性能的影響,得出了銹蝕鋼筋的應變與構件疲勞壽命之間的關系曲線,主要研究內容及結論如下: ( 1 )在循環荷載下,混凝土殘余變形基本符合三階段變形規律,力學性能劣化,疲勞損傷積累。Research results show that the settlements of the road structure mainly come from the consolidation and the accumulative residue settlements under the cyclic loads. excessive uneven settlements will produce the premature failure on the pavement. and few researches on the interaction of pavement and subgrade have been developed at present
研究表明,路面路基結構的沉降變形主要來自地基路堤土層的固結壓密沉降和交通荷載反復作用下路面路基各結構層的累積殘余變形,路面路基結構發生過大的沉降變形會使路面過早破壞。When it comes to the research about the post - liquefaction behavior of saturated sand, the situation is not so famous. the current research is supported by the national science foundation project of large ground displacement due to seismic liquefaction ( no. 59809004 ), and in this thesis the basic aspects about the post - liquefaction behavior of saturated sand has been thoroughly investigated. the main contents of the current research are as follows : in order to investigate the behavior of saturated sand, a multi - functional tri - axial test equipment has been designed
飽水砂土地震液化引起的地面大變形會對液化區的各種結構產生災難性的破壞,在過去的幾次大地震中均發現有因地面大變形而導致的破壞現象,但目前對該問題的研究較為欠缺,有關飽水砂土液化問題現有的研究基本都局限在初始液化之前,在飽水砂土地震液化的影響因素、產生的機理及條件、液化勢的判別等方面積累了大量的研究成果,而液化后問題的研究才處于起步階段。Sheet thickness is thinned, surface area is increased in the nc incremental sheet metal parts forming process, and sheet forming point by point is to lead to the whole sheet deformation
認為,板料零件數控漸進成形是使板料的厚度減薄,表面積增大,靠逐次的變形累積產生整體的變形。In this positive feedback loop, european revolutions like the glorious revolution ( 1688 ) or the french revolution ( 1789 - 1793 ) give the institutional changes a further push. and in this way, the efficient institutions were established and the outstanding economic growth performance achieved
當這種「積累效應」形成一定氣候時,便可能促發像「光榮革命」和法國大革命那樣的政治變革;並通過此等「基因突變」的方式使制度的優勢進一步擴大。Through the static and standard traffic cyclic loads, the responses of the pavement and subgrade have been attained. the studies on these responses such as elastic deformations, accumulative settlements and stress have been made under the changed characters of subgrade, such as moisture content, relative compaction of subgrade. the results of the experiments show that superfluous moisture content increases the vertical stress and the settlements of the construction under the similar relative compaction
通過靜力加載和模擬路面承受的豎向交通荷載的重復加載試驗,研究了路面路基結構在雙輪車輛荷載作用下的動靜態響應,分析了路面路基結構在浸水狀態(土層含水量增加)和壓實密度降低等不利因數的影響下,路面路基各結構層的動靜力學響應特性,如彈性變形、累積下沉、土壓應力等的變化規律。Under varied loads such as cyclic and / or transient loading, soil structures or foundation will induce permanent and / or fluctuating plastic deformations. such plastic deformations are cumulative and / or alternating in nature with increase of time of loading during a sequence of cyclic loading. if the resulting accumulated deformations is limited within a given bound or the alternating deformations will be adapted to a given plastic state after a certain cycle numbers or a certain period of loading, the soils will be in shakedown state
在復雜變值荷載作用下,結構有可能出現兩種狀態:一種是在若干次載荷循環之後,塑性變形趨于穩定,在此後繼的載荷循環中結構表現為純彈性響應,這種狀態稱為安定狀態( shakedown ) ;另一種則是塑性流動一直持續地發展或不斷反復,直至結構破壞,結構的破壞有兩種型式:一種是由塑性應變的累積引起的增量塑性破壞;一種是塑性變形多次反復引起的疲勞破壞,也稱為交變塑性破壞。分享友人