晶界移動 的英文怎麼說

中文拼音 [jīngjièdòng]
晶界移動 英文
crystal boundary migration
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • 移動 : 1 (改換原來的位置) shift; move 2 [力學] translation motion; removal; shifting; dislocation; dis...
  1. Relaxor ferroelectric single crystals, such as pb ( mg1 / 3nb2 / 3 ) - pbtio3 ( abbreviated as pmnt ) or pb ( zn1 / 3nb2 / 3 ) - pbtio3 ( abbreviated as pznt ), have been reported to exhibit an extremely large piezoelectric constant and excellent electrostrictive properties. such excellent performance makes it fully substitute the traditional piezoelectric ceramics and points to a revolution in ultrasonic transducers, actuators and micro - positioners, making relaxor - based piezocrystals the most promising materials for a broad range of advanced applications. however, it is difficult to grow the high quality single crystals because of the lack of valid thermodynamic data

    新型弛豫鐵電單鈮鎂酸鉛(簡稱pmnt )或鈮鋅酸鉛(簡稱pznt )是一類新興的功能材料,其在準同型相附近具有優于傳統壓電陶瓷的較高的壓電常數和電致伸縮系數,可完全代替傳統的壓電陶瓷作為超聲換能器、致器、微位器等,使其成為鐵電領域的研究熱點,但如何生長出滿足應用要求的單材料卻一直是一個困擾的問題。
  2. When increasing the oxygen pressure, the rheed pattern changes to streaky one again. this rheed pattern transformation induced by the oxygen pressure is reversible. ex situ xps results indicate that the element ni of lno film deposited in the relatively low oxygen pressure with thickness below the critical value exists in the form as ni2 +, while as ni3 + in the relatively high oxygen pressure

    隨著膜厚增加而超過約30nm的臨厚度時,越來越多的格氧會到了薄膜表面,此時所提供的氧將使得后續生長的lno膜層重新形成鈣鈦礦結構,並以層狀方式外延生長。
  3. Based on sndm technique, a method of local capacitance - voltage characteristic characterization of ferroelectric thin films was proposed. the effect of traps at oxide - semiconductor interface on metal - oxide - semiconductor structure capacitance - voltage curve was discussed, and the influence of coercive field to the capacitance - voltage characteristics of ferroelectric thin films was also discussed. the dynamic switching of ferroelectric domain in ca doping ( pb, la ) tio3 thin film was studied by sndm from the view of electricity

    利用sndm ,從純電學的角度觀察了plct薄膜中的電疇態反轉過程,由電疇橫向擴張的速度的降低,發現了在電疇反轉過程中對疇壁的阻擋作用;根據sndm和pfm的在垂直方向上的不同信息敏感深度,得到plct薄膜中電疇反轉過程中電疇是楔形疇;用pfm觀察同一電疇在去掉外加反轉電場后電疇的極化弛豫現象,結果表明空間電荷是發生極化弛豫的主要原因。
  4. Crystal boundary migration

    晶界移動
  5. The influences of the pre - stress on the working characteristic of the actuator are analyzed by the measurement of displacement. a numerical current source with alternative working mode and current range is manufactured to provide program - set steady current for the drive coil

    材料消除了對疇壁的影響,具有很好的低場下的位輸出能力,這為微位器的研製奠定了很好的基礎。
  6. However, when the applied bias voltage is located within negative slope regions of u - i curve, the superlattice will undergo a very fast dynamic process, changing from one stable state to another stable state. the superlattice exhibits temporal current oscillations in the negative differential conductivity region at fixed d. c

    當外加電壓使電流處于正微分電導區變時,超格的高低電場疇之間的疇邊不發生,只是相應的電場強度作些調整;當外加電壓使電流處于負阻區域時,超格將經歷一個穩態到另外一個穩態的力學轉變。
  7. 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,觀察到與傳統細超塑性特徵區間相反的行為:較高應變速率下,態再結使粒細化,促進了,亞控制的內位錯蠕變是的主要協調機制。
  8. 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,內位錯源均可產生位錯,並沿各自的滑系運
  9. Recently bulk tb - dy - fe single crystals have been obtained by magnetic levitation cold crucible without contamination in wuhan university of technology. these excellent single crystals, possessing a large displacement output under low magnetic field, build a foundation for the fabrication of the high precision micro - displacement actuators. the purpose of this research is to manufacture an advanced micro - displacement actuator with this high performance single crystal as the driving unit

    常規的磁致伸縮型微位器大多採用多或具有孿結構的磁致伸縮材料作為驅單元,由於和孿對疇壁的具有阻礙作用,其低場下的位輸出較小,調控精度受到很大影響。
  10. The module of data processing includs not only measure method of general, but also adopts combine of hardware and software method, and through cursor choice and move to measure the parameter what we wanted. we adopts combine of hardware and software method to measure frequence. the module of data processing includs display principle of character, cursor display and boot - strap menu display, emphasizes in software compile method of interface menu

    系統初始化模塊包括dsp的初始化,示波表參數初始化以及元存儲空間的分配;數據處理模塊不僅有常規的測量方法,而且採用了光標測量,可以通過光標的選擇和來測量所需要的參數,測頻還採用軟硬體相結合的方法,有硬體測頻法和軟體測頻法,以及對測量誤差產生的部分原因進行分析;在顯示處理模塊介紹了字元顯示原理,光標顯示以及開機畫面的顯示,著重介紹了面菜單的軟體編寫方法。
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