plastic deformation effect 中文意思是什麼

plastic deformation effect 解釋
范性形變效應
  • plastic : adj 1 造型的;塑造的;給與形態的。2 可塑的,塑性的,受范的;柔軟的;〈比喻〉溫順的,肯聽話的。3 ...
  • deformation : 變形,走樣
  • effect : n 1 結果。2 效能,效果,效力,效應,作用,功效;影響。3 感觸,印象;外觀,現象。4 旨趣,意義。5 ...
  1. While cyclic deformation experiment under constant strain control is performed in 400, the material shows the continuous hardening until cyclic invalidation. ( 3 ) back stress attained by kwl " s method is used to analyse the bauschinger effect during an incremental step cyclic test and cyclic deformation test under constant strain control, it is shown that back stress increases with increasing plastic strain and the numbers of cycle, and the back stress is uniform, regardless of tension or compression conditions. ( 4 ) as far as recrystallized zircaloy - 4 plate is concerned, the back stress in transverse direction is higher than that in rolling direction due to the higher schmid factor in rolling direction

    對于再結晶狀態的zr一4合金板材試樣來說, t方向(橫向)試樣的背應力要高於r方向(軋制方向)的背應力,原因在於r方向的schmid因子高於t方向的schmid因子; 400下, zr一4合金的背應力要明顯低於室溫下的背應力;含氫200pg / g的zr一4合金的背應力大小與無滲氫的zr一4合金背應力相比,無明顯區別;固溶處理后, zr一4合金的背應力大小發生了變化,在較高塑性應變下,背應力均高於固溶處理前的背應力。
  2. According to the complication of cyclic loading the aeolotropism and bauschinger effect resulted form plastic deformation were reflected by the kinematic hardening model, the transient stress - strain relation was described by jhansale model in the iterative formulas

    在迭代格式中,針對復雜的交變載荷,採用運動強化模型,反映了塑性變形引起的各向異性和包辛格效應,運用jhansale模型描述材料的瞬態應力應變關系。
  3. It is found that the electric, field improves elongations in 2090 and 2090 + ce alloys markedly, especially in 2090 alloy, but has little effect on strengths. at the same time, the electric field lessenes percentages of intergranular delamination and increases transgranular fracture and microscopic plastic deformation. besides, the electric field makes both average particle size and its distributing range of 8 " phase smaller, and reduces the half width of pfz in aged alloys

    研究表明:固溶電場可顯著提高2090合金及2090 + ce合金的延伸率,尤其是對2090合金,但對強度則無明顯的影響;同時,固溶電場減少合金的沿晶分層斷裂比例,並增加穿晶斷裂及微區塑性變形;固溶電場還使合金時效后相顆粒的平均尺寸減小、尺寸分佈范圍減小,並使pfz的寬度減小。
  4. Combining with characters of powder, the mechanic of powder plastic deformation, the strengthen cause of powder extrusion products, the effect of surface oxide and powder strengthen materials property and formability of powder extrusion products were introduced and discussed in this dissertation

    論文結合粉末的特性,對粉末塑性成形的機理、粉末擠壓製品的強化機制、粉末表面氧化物及顆粒強化材料對粉末擠壓製品的性能和成形性的影響進行了述評。
  5. 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。
  6. Through the simulation of the forming process, we can get the deformations, stress, strain, plastic flowing in sheets and the interface state under impact load and rolling load, the deformation of the sawtooth form and comparing to the initial state, the results above are expressed in computer animated way. and the effect of geometrical ( mainly different form, including 90 degree, isoceles triangle , 75 degree, and 1. 5 high and wide ), material and technical parameters on the bond strength are analyzed, also including the comparison of different sawtooth form. the optimum parameters are got

    對雙金屬復合板成型過程進行模擬,從而得到在沖擊載荷和軋輥壓力作用下基板和覆板的應力、應變分佈和塑性流動變形規律,復合后的齒形的變形情況與初始齒形形成對比,以動畫的方式模擬成型過程,並分析了不同幾何參數(主要是不同的齒型,其中包括直角齒型、等腰齒型、 75度齒型、 1 . 5高寬齒型) 、材料參數、工藝參數對復合強度的影響,以及不同齒型的變形對比以及齒型對復合情況的影響,提出最優齒型、最優工藝參數,有效地指導了實驗。
  7. The deformation of the structure mainly focused on the isolated layers and the superstructure shift as a whole. the interlayer displacement of the isolation system is far low. the earthquake effect of the base - isolated structure is dicided on the horizontal stiffness and elastic and plastic capability of the isolated layer, the base shear, the interlayer shear, th ' e interlayer displacement of the isolation system is far lower than the result of the base - fixed system under the same condition of the superstructure

    橡膠墊隔震結構在水平地震作用下的反應以「整體運動」為主,結構位移主要發生在隔震層,上部結構的層間位移很小。隔震結構的地震反應主要決定於隔震層的剛度和彈塑性性能。其中,隔震結構的基底剪力,上部結構的層間剪力在多遇地震下,比不隔震時均有所降低。
  8. The ratio of the diameter of nozzle to the diameter of vessel has greater effect on the distribution area of high stress in plastic deformation stage

    對于均處于塑性階段的結構而言,開孔率的大小對高應力區的分佈范圍影響較大。
  9. Secondly, in view of the limitation and shortage of traditional simulation of finite element approaches for bolt, a new composite grouted bolt element including nonlinear contacting relation will be built based on the above study of the mechanics mechanism of fully grouted bolt. then, an elastic - plastic finite element program will be developed for the analyses of tunnel stability, in which the composite grouted bolt element and nonlinear finite element analysis method will be used ; the patterns and the affect of main design parameters on the support effect of bolt will be analysed using the program, and conclusions of guidance importance for tunnel support design will be drawn. finally, simulation compution for the excavation and support of a highway tunnel will be made out using the above production, and the method of application of the program will be discussed ; analysis of the deformation, stress and distribution of plastic range will be done, and rational support plan will be worked out, which is of guidance importance for tunnel support design and the thery and technique of fully grouted bolt used in tunneling will be perfected further

    首先,本文在綜合分析隧道穩定性影響因素及失穩破壞模式的基礎上,對全長粘結式砂漿錨桿作用力學機理進行了深入研究,為全長粘結式砂漿錨桿的有限元模擬分析奠定了基礎;其次,針對傳統錨桿有限元模擬方法的局限性與不足,在上述全長粘結式砂漿錨桿作用力學機理研究基礎上,建立出能反映界面非線性粘結的新型復合砂漿錨桿有限單元模型;然後,運用上述復合砂漿錨桿單元模型,引進非線性有限元分析手段,開發了隧道支護穩定性分析的有限元程序,並就全長粘結式砂漿錨桿的型式與設計參數對支護效果的影響進行了深入探討,得到了對隧道支護設計具有指導意義的結論;最後,運用本文研究成果對某公路隧道工程實例進行了開挖與支護的模擬計算,探討了其應用方法,並就隧道變形與應力及塑性區分佈規律進行了分析,從而提出了合理的支護方案,為隧道支護設計提供了參考依據,完善了隧道全長粘結式砂漿錨桿支護的理論與方法。
  10. Soil springs are used around the pipe including vertical, lateral and axial soil springs to consider the interaction between the pipeline and the surrounding soil. the pipe segment near fault that usually suffers large deformation is modeled with a plastic shell element in order to consider the effect of local buckling and section deformation. to reduce the calculating time of the whole model, an equivalent spring proposed by the author is applied at two ends of the shell model

    為了解決現有的殼單元方法需要大量計算機時的缺點,本論文首次從理論上把離斷層較遠管土之間相對變形較小的管子直線段部分的變形等效為一個非線性彈簧,將此等效邊界引入到有限元模型中,使得模型中的殼單元部分主要用來分析我們所感興趣的在斷層附近發生大變形的管段,從而達到節約計算時間的目的。
  11. In this dissertation, the effect of texture, heat - treatment, and hydrogen on the lcf behavior of zircaloy - 4 and the cyclic deformation behavior for zircaloy - 4, n18 alloy and n36 alloy have been investigated systematically using fully - reversed tension - compression loading under strain control ( r = min / max = - 1 ), while the evolvement of the friction and back stresses versus the number of repeated working cycles and the plastic strain amplitude has been studied, and the thorough discussion combined with the analysis result of fatigue sub - structure, friction and back stresses, and fatigue fracture has been given to the mechanism underlying the lcf behavior of alloys

    本文採用對稱拉壓循環變形方法( r _ = _ ( min ) _ ( max ) = - 1 ) ,系統研究了織構、熱處理狀態、氫對zr - 4合金低周疲勞性能的影響, zr - 4合金、 n18合金和n36合金的循環變形行為,並研究了摩擦應力、背應力隨循環周次、塑性應變幅的變化規律。結合疲勞亞結構和疲勞斷口的分析結果,深入探討了影響合金低周疲勞行為的作用機制。
  12. It shows that at the stress concentration zone, changes of mfl were relatively weak with slight deformation of the specimens. with the deforming to plastic and further the changing of mfl exhibits more distinct, and when necking emerging a very intensive change takes place. it is indicated that magnetic memory effect is related to the microstructure of the material

    經分析認為,磁記憶信號的這種變化與材料內部微觀組織的狀態有關,試件變形很小時,磁彈性效應對試件表面泄漏磁場的變化起主要作用;試件變形較大時,其表面泄漏磁場的變化主要受塑性變形區內位錯聚集產生的微缺陷的影響。
  13. It is found that the electric field improves elongations in 1420 alloy markedly, but has little effect on strengths. at the same time, the electric field lessenes percentages of intergranular delamination and increases transgranular fracture and microscopic plastic deformation

    研究表明:電場時效可在一定程度上提高1420合金的延伸率,但對強度則基本沒有影響;同時,電場時效減少沿晶分層斷裂比例,增加穿晶斷裂及微區塑性變形。
  14. The effect of plastic deformation and elastic strain energy induced by pre - strain on the nucleation of martensitic transformation of low alloy ultra - strength steel sosimncrmov had been studied by pre - strain quenching in austenite state. the control over deformation magnitude and deformation temperate as well as loading pattern was performed to adjust the storage of elastic strain energy in steel before martensitic transformation, using the type of geeble - 1500 thermal analogue test machine

    使用gleeble - 1500型熱模擬機,對低合金超高強度鋼30simncrmov實施奧氏體預應變淬火處理,通過控制形變量、形變溫度和加載方式,調整鋼中馬氏體相變前的彈性應變能儲備,研究了預應變所造成的塑性變形與彈性應變能對馬氏體相變的影響。
  15. Effect of plastic deformation on corrosion resistance of nickel - free austenitic stainless steel

    生物用無鎳奧氏體不銹鋼的塑性變形以及對耐腐蝕性能的影響
  16. This method can account for the effect of elastic and plastic deformation

    這種方法的優點在於可以同時考慮零件裝配過程中的彈塑性變形。
  17. Based on the idea of the measured displacement can be divided into elastic and plastic parts, elastic parameters can back analyzed by the elastic displacement, which is the measured instant after blasting excavation. the strength parameter can be got by plastic deformation, which is the measured during the period of construction loop without blasting excavation. lastly, depending on fenner formula, a new and valid evaluating criterion for tunnel stability is presented and the effect of deformation modulus, cohesion, internal friction angle and overburden can be considered

    以解析理論為基礎提出一種實用而簡便的圓形洞室彈性反分析方法,且將其應用推廣到其它洞型、分步位移等不同情況;提出一種圍巖強度參數反演方法,並對其可靠性進行了初步研究; ( 4 )依據芬納公式提出了能夠考慮圍巖變形模量、強度參數、埋深等主要因素的、新的、有效的圍巖穩定性評判方法。
  18. The experimental research for beam - to - column connections of steel frame and the research influence on the steel frame is one subject of 2001 ' key research subject of ministry of construction of china, grant no. 01 - 2 - 085. researching for of beam - to - column connections under cyclic loading, for the factors effecting on the connections, for the deformation and failure character of connections, the arising order of plastic hinges and load - deformation hysteretic behavior of three pane frame under cyclic loading, the effect of semi - rigid connections on the frames, is the major purpose of this study

    本文進行的鋼框架樑柱連接的試驗研究和對框架的影響研究是建設部2001年科技攻關項目《新型空腔結構板輕鋼結構體系應用研究》的子課題,旨在研究樑柱連接在循環荷載作用下的滯回性能、影響連接的各種因素、連接變形特徵和破壞特徵;研究三榀平面鋼框架在循環荷載作用下構件塑性鉸出現的順序, p ?的滯回性能以及半剛性連接對框架側移以及塑性鉸出現順序的影響。
  19. At last, the analysis of the redistribution of the initial crust stress and the distribution of the plastic area is made ; the stability evaluation of the rock mass around the cavern is provided. the outcome is conformed with the reality. then applys the approximately equivalent dissolved rule, and considers the action of anchor staff to consolidate the rock mass, and correspond model is established, nonlinear finite element m ethod is applied to analyze the effect of the supports, the result shows that the action of anchor staff is obvious and deformation and stress state of the rock mass is greatly approved. so, the result conforms that the idea and the means used in the thesis is applicable

    最後運用非線性有限元對廠房開挖后圍巖的應力重分佈和塑性開展區的分佈作了分析,評價了廠房的圍巖穩定性,其結果與實際開挖情況基本吻合,針對圍巖穩定性評價的結果,提出了錨固方案,運用等效概化原理考慮錨桿的作用,建立了採用系統錨桿加固后的地下廠房圍巖的三維彈塑性模型,運用非線性有限元分析了加固效果,結果表明錨固作用明顯,圍巖變形明顯減小,圍巖內的應力狀態大為改善,從而驗證了本文所採用的研究思想和方法是切實可行性的。
  20. And that, the variable regulations of stress filed, deformation field and plastic failure zones in the surrounding rock mass of the underground cavities are summarized. based on the analysis of the effects of rock mass qualities on surrounding rock mass stability, the control effect of rock mass qualities about stability of surrounding rock mass was studied

    總結了地下洞室群圍巖應力、變形和破壞區的分佈特徵和變化規律,並通過對比分析圍巖質量對其穩定性的影響,闡明了巖體質量對圍巖穩定性的控製作用,為洞室群穩定性評價和工程設計施工提供了基礎資料和理論依據。
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