grain deformation 中文意思是什麼

grain deformation 解釋
晶粒變形
  • grain : n 1 穀物，糧食〈英國叫 corn〉; 谷類植物。2 穀粒，籽粒。3 （沙、金、鹽等的）粒，顆粒，晶粒。4 些微...
  • deformation : 變形,走樣
  1. Presents the microstructure evolution in aluminum a nd copper after deformation by cold rolling in the strain range of 10 to 50 % red uction using tem and points out three types of dislocation structures are typica l and two of them are common for both materials and these two common types are f ound in non - cube grains and can be distinguished by crystallographic orientatio n of dislocation boundaries in the grains and the third type of structure is obs erved in cube grains, and concludes that grain orientation is important in deter mining the structure type but some other metallurgical parameters also have a ro le to play

    採用tem對冷軋多晶銅與多晶鋁的形變顯微組織演變進行了對比研究.結果發現：多晶銅及多晶鋁形變顯微組織中均含有三類典型的位錯結構類型，其中的兩種結構特徵在兩種材料中是相似的，這兩種類型結構存在於非立方取向晶粒，可通過晶粒中位錯邊界的晶體學取向加以區別，另一類型結構存在於立方取向晶粒；晶粒的晶體學取向決定了其形變顯微組織類型，但其它冶金學因素對顯微組織也有影響
  2. Numerical simulation of austenite grain size during hot deformation of q345 steel

    345鋼熱變形奧氏體晶粒尺寸的數值模擬
  3. Yingxian ancient wooden pagoda is a flat - form tall building, which was formed by the superposition of monolayer temples. the height of 67. 31 meters made it encountered two unprecedented puzzles : firstly, with the height increased whopping, wind resisting and aseismatic capability become the main question of the whole structure ; secondly, because of the weight increased unconventionally, members of the lower 1 ~ 3 floors hold overloading perpendicular to grain and they brought large vertical deformation

    相對於一般殿堂結構，高度和自重的成倍增加，使木塔遇到前所未有的兩項難題:其一是因自重增加，使承受上層柱軸向荷載的梁（普拍枋和梁? ）橫紋局壓應力成倍地超過設計強度而產生嚴重的壓縮變形甚至劈裂，導致木塔整體豎向變位。
  4. Appraise the test scheme of dynamic consolidation of each test district before test and make optimization suggestions ; 4. the grain - size distrilidation of the underlayer of dynamic consolidation has great on consumption of the energy i, the better the dynamic consolidation effect is ; 5. the deformation effect of dynamic consolidation foundation is that not only the settlement deformation of foundation will decrease greatly after pounding, but residual settlement deformation in each test district are compared, it can be concluded that the deformation stability of foundation of the runway engineering of pu - dong airport can satisfy the design requirment through dynamic consolidation according to optimized test scheme. but the underlayer of dynamic consolidation should be made when pounding

    論文的主要工作和研究認識如下： （ 1 ）確定必要的強夯施工參數； （ 2 ）對既有砂性土又有粘性土地基的最佳夯擊次數的確定方法進行了探討； （ 3 ）對試驗前各試驗小區的強夯試驗方案進行了評價，並提出了優化建議； （ 4 ）強夯墊層材料的級配對夯擊能的消耗有很大影響，級配好的墊層對夯擊能的傳遞比級配差的墊層效果好； （ 5 ）強夯地基的變形效應主要是指夯后地基不但沉降變形會大幅度降低，而且剩餘沉降變形會緩慢地發生； （ 6 ）在比較各試驗小區的變形穩定性后，按照優化后的試驗方案進行強夯處理，則浦東機場場道工程地基的變形穩定性能滿足設計要求，但須在處理時施加強夯墊層。
  5. Simulating on polycrystalline cyclic deformation indicates that hardening first appears at grain boundary then spreads to grain inside. finally, hardening is not well - distributed in the specimen when deformation is limited

    循環塑性模擬對于多晶材料的bauschinger效應和晶粒間硬化過程以及硬化在試樣上的非均勻分佈給出了相應的描述。
  6. Many dislocations were emitted from the grainboundary in the front of crack and were driven out of grain boundary area, leaving dislocation free zone in the front of grainboundary. a concept of grainboundary dislocation free zone is proposed. the deformation in the front of crack tip in magnesium was single slip, which resulted in the thinning in the area of crack tip

    首次發現裂尖前方晶界對裂尖發射的位錯有排斥作用，裂尖前方的晶界可以向晶界兩側晶粒發射位錯，位錯從晶界發出后迅速離開晶界向前運動，形成晶界無位錯區，首次提出晶界無位錯區的概念。
  7. The grain - boundary cracks are found when the deformation of the strip is greater than a value, and these cracks will become marco cracks with the increase of the deformation

    變形量過大時，冷軋薄帶內部出現微觀晶界裂紋，並隨著變形量的增加最終發展成宏觀裂紋。
  8. In the resin matrix composite materials filled with fsmf, the load is undertaken by the grain of fsmf and the resin matrix. the grain of fsmf restricts the deformation of the resin matrix, so the strength is improved. furthermore, the grain of fsmf can consume the energy of strain and controls the crack expand, so build up toughness

    在fsmf填充樹脂復合材料中，載荷是由fsmf顆粒和樹脂基體共同承擔的， fsmf顆粒以機械約束方式限制樹脂基體變形，從而產生強化； fsmf顆粒可以引發銀紋和剪切帶等損傷消耗應變能，並通過鈍化和釘扎機制阻礙裂紋的擴展，從而產生增韌。
  9. The apparent activation volume calculated by the model is about 2500a3, which was ten times larger than that of usual amorphous alloy and was at the same range of the amorphous polymer. the model shows the main deformation mechanism of nanocrystalline ag is grain boundary sliding, which in some extent declares the similar forms of equation with amorphous alloys. with the ananlysis to the hrem of nanocrystalline ag, the discrepancy of the apparent activation volume between the nanocrystalline ag and amorphous alloys is interpreted by the loss of atoms participating in grain boundary sliding without enough reconstruction by the movement of atoms under the low temperature

    運用晶界滑移的熱激活理論對壓縮實驗結果進行了數值擬合，擬合曲線與實驗數據符合很好，得到了晶界滑移的表觀激活體積（熱激活基本單位體積與局域瞬態應變的乘積） ，約為2500a ~ 3 ，先當于幾十個原子體積大小的瞬態變化，約為非晶合金的10倍以上，與非晶高聚物的表觀激活體積相當。
  10. Study on deformation induced ferrite transformation of the grain boundary allotriomorphic ferrite granular bainite fgba bg and nb - ti microalloyed duplex steel

    粒狀貝氏體復相鋼的形變誘導鐵素體相變的研究
  11. The substructure near the damage position was studied by ebsp, then vonbined with the relationship among substructure grain boundary sliding grain size and material deformation compatibility the mechanics of creep damage was discussed

    使用電子背散射衍射技術研究了不同損傷位置附近的亞結構形成情況，結合亞結構、晶界滑移、晶粒尺寸與材料變形協調性等材料變形特點，對蠕變損傷機理進行了探討。
  12. Based on the constitutive relationship coupled microstructure evolution, 3d - fe simulation of isothermal forging process of tc6 titanium alloy disc is performed dealing with different deformation temperature, punch velocity and shear factor of friction, effect of process parameters on equivalent strain, equivalent stress and grain size is calculated, and load - displacement curve is calculated

    本文基於微觀組織演變的本構關系模型，對不同變形溫度、凸模速度和摩擦條件下鈦合金盤的等溫鍛造過程進行了三維數值模擬，研究了變形工藝參數對等效應變、等效應力和晶粒尺寸的影響，計算了各變形條件下的位移?載荷曲線。
  13. The microprocesses of deformation and fracture in 18 - 8 stainless steel were observed by in - situ tension in tem. it was found that the dislocations were emitted from the grainboundary and dislocation source inside a grain and slip along their slip system respectively. partial dislocation could also be emitted from the grainboundary, and moved into the grain, and that leaving behind a stacking fault

    摘要浙江人學博1 ：學位論文採用透射電鏡動態拉伸、原位觀察icrlsnigti不銹鋼形變與斷裂過程，發現不銹鋼變形時，晶界和晶內位錯源均可產生位錯，並沿各自的滑移系運動。
  14. First of all, the structural characteristic and essential of damages were introduced. secondly the efficiency factor of how much the compression stress perpendicular to grain is more than the design value was calculated. thirdly, the main reason that members were made too large deformation and serious damage was pointed out

    但是，目前木塔殘留的整體傾斜、層間側移以及由木材橫紋壓縮引起的豎向壓縮變形等都已達到嚴重影響其安全可靠的程度，所以，木材橫紋局壓增強加固問題亟待解決，以防突變。
  15. The reduced localizations can be understood by the effects that grain boundaries promote rotation of grains in shear bands, while the accommodating role of grain boundaries to deformation can be understood by restraining rotation of grains in non - shear bands. from the view of overcoming interlocking between neighboring grains, increasing grain boundaries relative thickness implied grains mutual motion more easily

    結果顯示：晶界通過促進剪切帶晶粒轉動而使局部變形不均勻性降低，而通過抑制非剪切帶晶粒轉動使晶界協調變形的作用增大；從克服晶粒互鎖角度看，增大晶界相對厚度使晶粒相對運動更容易。
  16. The experimental results show that decreasing rolling temperature is helpful in getting the fine austenite grain size in comparison with the conventional rolling deformation temperature, which is a kind of potential technique for improving the general properties of the workpieces

    實驗結果表明：降低軋制溫度有利於得到較細小的高溫奧氏體晶粒，是一種提高工件綜合性能的新工藝。
  17. Moreover, the rate - dependent deformation could also be explained from the point of grain boundary energy

    進而從晶界能量角度解釋率相關變形的原因。
  18. The refinement mechanism of grain at room temperature can be described as dislocation tangle and dislocation node form in the initial grain with severe plastic deformation, then the dislocation node form subgrains or grains. subgrains become grains by snipping of the subgrain boundaries under the action of shearing stress

    室溫ecap細化晶粒的機理可描述為：隨著強烈塑性變形的進行，原始晶粒中產生了很多位錯纏結和位錯胞，進而位錯胞崩塌變為亞晶或晶粒，亞晶粒在後續ecap剪應力作用下，通過亞晶界被剪斷而變為晶粒。
  19. To obtain large bulk material with ultra - fine grain for the requirements of property measurement and engineering utilization, the transformation of friction press - torsion deformation zone was introduced in this paper. both the transmit of heat theory and the plastic mechanical theory were practiced to analyse the mechanical and deformation qualification

    為了得到大塊的超細晶結構材料，滿足超細晶材料性能研究和工程應用的需要，本文提出了一種在大塊結構材料內部得到超細晶的新方法? ?摩擦壓扭強變形區轉移法。
  20. This developed method is suitable for srm grain with low modulus and large deformation

    適于固體藥柱模量較低、變形較大的特點。
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