晶界形狀 的英文怎麼說

中文拼音 [jīngjièxíngzhuàng]
晶界形狀 英文
grain-boundary shape
  • 晶 : Ⅰ形容詞（光亮） brilliant; glittering Ⅱ名詞1. （水晶） quartz; （rock） crystal 2. （晶體） any crystalline substance
  • 界 : 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...
  • 狀 : Ⅰ名詞1 （形狀） form; shape 2 （情況） state; condition; situation; circumstances 3 （陳述事件或...
  1. Controlling solid - liquid interface configuration during crystal growth of cdznte by vertical bridgman method

    晶體時固液界面形狀的控制
  2. The globalization course was that the preformed texture recrystallized and became the granular equiaxed grain, when the temperature rose and the holding time prolonged, the granular grain melted at some area and at the liquid - solid interface the grain globalized at the role of the curvature overheated

    過程機制為：擠壓形變組織在加熱過程中首先發生再結晶長大變為顆粒狀等軸晶；隨溫度升高和保溫時間延長，等軸晶發生局部熔化，液固界面的曲率過熱使晶粒外形向球狀轉變。
  3. Environmental mineral fibre mainly points crude minerals like sepiolite and palygorskite species layer - chained magnesian silicate, which have excellent physical - chemical properties and are rare environmental mineral materials in the world nowadays because of the rigor of their form conditions. the single crystals of palygorskite are mostly acicular and fibrous, 30 - 80nm of crystal diameter, and are typical crude nano - rank materials

    環境礦物纖維主要指以海泡石、坡縷石類層鏈狀鎂質硅酸鹽為主的天然礦物，具有優良的物化性能，由於其形成條件苛刻，為世界性稀缺的環境礦物材料，其單晶多為針狀、纖維狀，晶體直徑為30 - 80nm ，屬典型的天然納米級材料。
  4. 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的臨界厚度時，越來越多的晶格氧會移動到了薄膜表面，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。
  5. We have developed the theory of boundary shielding approximation of electric polarization, from which the values of spontaneous polarization of some typical ferroelectric materials can be derived. the shielded charges in ferroelectricity are in the state of surface bound polaron - dipole whose creation and annihilation must span a potential barrier. by introducing statistical method, four types of typical electric hysteresis loops of some common crystals and ceramics have been given, which are well consistent with the experimental results

    利用電極化的邊界屏蔽近似，可計算出一些典型鐵電單晶的自發極化強度.鐵電屏蔽電荷處于表面束縛極化子偶狀態，其產生和湮沒要跨越位壘.由統計方法給出的一些常見晶體和陶瓷的四種典型電滯回線形狀，和實驗觀察到的結果一致
  6. Abstract : the affects of crystal absorption for heat radiation on crystal growth, which include : the heat loss of the hot grower, the chara - cteristic of temperature - time of crystal growth, the pattern of fluid flow and the shape of interface, the interface inversion of crystal, the temperature distribution and the thermal stress distribution, are reviewed in this paper

    文摘:本文綜述了晶體對熔體熱輻射吸收對晶體生長的影響，包括對熱腔熱耗散的影響；對晶體生長溫度時間特性的影響；對液流形態和固液界面形狀的影響；對晶體界面反轉的影響；對晶體中溫度分佈和應力分佈的影響。
  7. The paper also analyzed the crystal defeat formed in the process of growth and put forward to the solution, furthermore, the mechanism of needle - like growth was discussed

    並對晶須生長過程中所形成的各種晶體缺陷進行了分析，提出了解決辦法。同時對羥基磷灰石晶須針狀生長的結晶學和界面動力學機理進行了探討。
  8. The influence of nano - al2o3 on the sintering and the properties of the si3n4 ceramics was researched in this paper. the samples with different amount of nano - al2o3 were obtained by using pressureless sintering at 1600, 1650, 1700 in the nitrogen atmosphere. the microstructure and the composition of the ceramics were determined by the means of x - ray, sem, micro - hardness meter etc. it is show that the sisty ceramics can be densified at 1650c to % percent of the theory density through the addition of nano - al2o3 ( the value could be 90 percent by other technique ). the crystalline growth of the cylindrical - si3n4 and the ratio of its longitude to its diameter are increased with the addition of nano - al2o3. a uniform microstructure and an fined crystal as well as more sialon phases can be obtained in the si3n4 ceramics through the addition of that

    實驗結果表明：在碳管爐中、氮氣保護下進行燒結，添加劑為納米al _ 2o _ 3粉末時，由於納米粉末的高活性、高燒結驅動力，在1650就可使si _ 3n _ 4完全地燒結，並使其緻密度可達理論密度的96以上（比其它工藝高6左右） ；同時，納米al _ 2o _ 3地加入大大促進了長柱狀? si _ 3n _ 4的生長和發育及柱狀晶長徑比的提高，使微觀結構均勻、細化，形成了更多力學性能優異的固體? sialon相，減少了不利於陶瓷材料性能的晶間玻璃相，凈化了晶界。
  9. Abstract : the method to determine the shape of solidification shell in the process of continuous casting of steel is studied. by establishing the model of stable temperature field, with the observation of first and second boundary value on the exterior of the ingot, the algorithm method to identify the shape of solidification shell is given with boundary variation in existing observation condition. numerical test shows that the method is valid

    文摘:討論了鋼鐵工業連鑄過程中結晶器內連鑄坯凝殼形狀的確定方法.通過建立穩定溫度場模型，在現有觀測條件下，用邊界變分方法給出了確定鑄坯凝殼形狀的辨識演算法.實驗數據顯示此方法是有效的
  10. When it was soaked in the semi - solid temperature, the preformed texture was accompanied with the part high - energy - area melting. its presentations were the honey combs at the grain boundary and the pools in the grain. it was the essence condition that the semi - solid metal maintained the solid character and had the thixotropy

    5 、形變組織半固態保溫過程中伴隨著局部高能區的熔化，表現為晶界蜂巢狀結構和晶內液池現象，這是半固態合金保持固相特徵並具有觸變性的基本條件。
  11. The results showed that the in - situ formed tibi particles which had a size of about 50nm, exhibited a homogenous dispersion in the copper matrix. moreover, the interface between the nanoscale particles and the copper matrix was clean, and there was no certain location relationship. due to their reinforcement, the tensile strength and hardness of the in - situ cu - tib _ 2 nanocomposite significantly improved

    通過光學顯微鏡、 tem 、 xrd等對cu - tib2原位復合材料進行了金相組織、微結構分析，原位復合材料的鑄態金相組織中彌散分佈著團簇狀的tib2顆粒；形變態金相組織中tib2顆粒呈纖維狀排列； tem觀察表明：在基體內存在著尺寸約為50nm 、彌散分佈的tib2顆粒，且tib2顆粒與基體之間界面清晰，但由於tib2結構與銅晶體結構的差別較大， tib2顆粒與基體之間無固定的位向關系；納米tib對銅基體有良好的增強作用。
  12. The temperature distribution in a crystallizer has important influence on the position and shape of solid - liquid interface during continuous unidirectional solidification

    摘要連續定向凝固過程中結晶器的溫度分佈對固液界面位置和形狀具有重要影響。
  13. The results indicate that the niti shape memory alloy completely solidifies in the crystallizer and the solid - liquid interface presents flat under the given model and various parameters, which meet the basic requirement of continuous unidirectional solidification

    研究結果表明，在所給定的模型及各種參數條件下，鎳鈦形狀記憶合金在結晶器內可以完成凝固過程，且固液界面呈平直狀，具備了進行連續定向凝固制備的基本條件。
  14. Through the analysis of the evolution of the microstructure, the honey comb at the grain boundary and the pool in the grain, furthermore according to the phase change thermodynamic and kinetics, the conclusions of the globalization mechanism and the reheating parameters were drawn as follows. 1

    通過對半固態再結晶和半固態熔化過程中的組織轉變、晶界蜂巢及晶內液池現象的分析，結合相變熱力學和動力學原理，提出sima法制備鎂合金半固態球狀化組織的形成機制及工藝參數。
  15. Once projected along [ 001 ] p or [ 0 - 11 ] sj, the planes ( 111 ) si and ( 110 ) p have early 4 ? angle as confirmed by hrem. we also show that no planes with low idices between the two lattices are parallel. therefore, epitaxy growth on ( 100 ) sj corresponding to ( 100 ) p ), or ( 111 ) sl ( corresponding to ( 110 ) p ) would be very ifficult under the optimum orientation relationship because of the slight but efinitely present deviation angles

    我們還了解到兩種晶格間不存在完全平行的低指數晶面，當採用最佳取向外延生長時，無論是選擇（ 111 ） s ； （與（ 110 ）肥配）或（ 100 ） s ； （與（ 100 ） p相匹配）都很困難，因為1 ） s ；與豆0 ）和o0o兒與o ）間總是有一定的轉角，這就很容易形成界面臺階，惡化界面狀況。
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