金屬間相 的英文怎麼說

中文拼音 [jīnzhǔjiānxiāng]
金屬間相 英文
intermetallic phases
  • 金 : Ⅰ名詞1 （金屬） metals 2 （錢） money 3 （古時金屬制的打擊樂器） ancient metal percussion instrum...
  • 屬 : 屬名詞1 （類別） category 2 [生物學] （生物分類系統上所用的等級之一） genus 3 （家屬; 親屬） fami...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 金屬 : metal
  1. Abstract : the current status of research work on intermetallic compound dispersoid in rapidly solidified elevated temperature aluminum alloys is reviewed. the dispersoid existing in common elevated temperature aluminum allo ys, effect of rapid solidification processing on the formation of dispersoid and their thermal stability are discribed

    文摘:綜述了快速凝固耐熱鋁合金中金屬間化合物彌散相的研究現狀，介紹了常見耐熱鋁合金中存在的彌散相、快速凝固工藝對彌散相形成的影響和彌散相的熱穩定性及其影響因素。
  2. According to the nb - si phase diagram, the temperature of 1550 ?, which is lower than the eutectoid transformation temperature of nbssi ( 1783 ? ), is chosen for heat - treatment. according to the present conditions of the furfaces, heat - treatment by stages is first proposed for the nb - si system intermetallic composites to keep the furface in good conditions. the results indicate that the equilibrium nb + nbssia dual - phase microstructure of the nb - si system intermetallics forms gradually via such eutectoid reaction as nbasi ? nb + nbssis with the heat - treatment time

    根據nb - si二元相圖，選擇略低於nb _ 3si共析轉變溫度t _ f = 1783的1550對鑄態nb - si系金屬間化合物進行不同時間（ 25h - 100h ）的熱處理，並根據目前國內和我院熱處理爐的現狀，首次提出採用分段熱處理的方法來解決nb - si合金熱處理溫度高、連續熱處理時間過長而影響熱處理爐壽命的困難。
  3. The results show that : blm can rapidly form on the tip of the electrode and is kept for a long time ; the test results can recur in the manner described and the blm modified by 2 has the selection of iodic ion

    結果表明： blm完全可以形成於用該方法處理的金屬表面端，能在一段時間內保持穩定，並能在相同實驗條件下再現同樣結果，經碘修飾的blm還能選擇性的識別碘離子。
  4. Schottky barrier diode is a kind of majority carrier device, using the contact barrier formed between metal and semiconductor to work. it has the advantages of low turn - on voltage and high response frequency, compared with pn junction diodes

    肖特基二極體是利用金屬與半導體之間接觸勢壘進行工作的一種多數載流子器件，與普通的pn結二極體相比，它具有正向導通電壓低，響應速度快等優良特性。
  5. The negative photoconductivity effect was found in the dimixing phthalocyanine composites. the experiment results indicated that the negative photoconductivity effects were closely related with the partial charge transfer from the center metals to phthalocyanine rings, and the separation efficiency of photocarriers was a key factor to the photoconductivity

    結果表明，共混復合后，其光電導性能表現出負效應，並發現酞菁中心金屬與其相連的氮原子之間的部分電荷轉移是引起復合體系光電導性能變化的根本原因，同時復合體系中的電子空穴對的分離效率是影響光電性能的一個重要因素。
  6. This paper gives a brief review of four stabilization mechanisms of soc : ( 1 ) recalcitrance of organic carbon compounds, ( 2 ) interactions with metal oxides and soil mineral surfaces, ( 3 ) spatial inaccessibility against decomposers because of micro - aggregate ' s physical protection, and ( 4 ) biological mechanisms, mainly the direct contributions of soil organisms themselves

    土壤有機碳的穩定機制主要包括： （ 1 ）有機碳的難降解性； （ 2 ）金屬氧化物和粘土礦物與有機碳的相互作用； （ 3 ）土壤團聚體的物理保護導致的生物與有機碳空間隔離； （ 4 ）土壤生物學機制，主要指土壤生物自身對有機碳穩定性的直接貢獻。
  7. The basic concept of siw is that it use the top and bottom layers of metal together with two row of vias is very small compared with wavelength, the dissipation loss of radiation is very small. it acts like a rectangular waveguide filled with some dielectrics, so components which can be composed by rectangular waveguide can also composed by siw such as antenna, filter, power divider, coupler, resonator

    基片集成波導的基本概念是利用基片的上下金屬板和兩排間隔一定距離的金屬孔構成波導的金屬壁，由於每排金屬孔孔間距遠小於波長，因此由縫隙泄漏的能量很小，這相當于內部填充了介質的矩形波導，所以能夠用矩形普通波導實現的結構也都可以用基片集成波導來實現，比如功分器、濾波器、天線、耦合器、振蕩器等。
  8. A reliability experiment of thermal aging was carried out for the two types of joints, scanning electron microscopy, energy dispersive x - ray spectrometer and micro x - ray diffractomer were adopted to investigate the interfacial evolution behavior of joints, and kinetics model of imc formation was established. the results show that imc growth follows the parabolic law as a function of aging time at certain aging temperature, imc growth is more sensitive to the aging temperature than the aging time, the activation energy of cu - al imc growth is 97. 1kj / mol and the major forming cu - al imc are cual2 and cu9al4, the activation energy of au - al imc growth is 40. 1kj / mol and the main au - al imc are au4al and au5al2, with au2al and aual at the interfacial periphery of joints, the rate of cu - al imc growth is about 1000 times slower than that of au - al imc, and kirkendall voids and cracks are easily appeared during thermal aging in gold ball bonds while voids and cracks are absent in copper ball bonds even after aging at 200 for 2900 hours and 250 for 169 hours

    研究結果表明:金屬間化合物厚度與老化時間的關系符合拋物線法則，金屬間化合物的生長對老化溫度比老化時間更加敏感; cu - al金屬間化合物生長的激活能為97 . 1kj / mol ，老化后金屬間化合物呈層狀分佈，主要相為cual2和cu9al4 ; au - al金屬間化合物生長的激活能為40 . 1kj / mol ，主要相為au4al和au5al2 ，同時在界面周邊區域生成了au2al和aual ;老化過程中cu - al金屬間化合物生長速率比au - al金屬間化合物生長速率小103數量級;金絲球鍵合點200老化96小時出現了明顯的kirkendall空洞和裂紋，但銅絲球鍵合點200老化2900小時和250老化169小時都沒有形成空洞和裂紋。
  9. The efficiency of the sample made in alkaline catalyst is 79 % and a first charge capacity of 201. 2mah ? g ~ ( - 1 )

    在900條件材料出現了一定量的硅銅金屬間化合物（ cu3si相） ，但材料的電化學性能沒有明顯提高。
  10. Alloy fabricated by arc melting consists of continuous nbssi matrix and dispersive distributed nb particles. the metastable nbasi phase is found to have a tetragonal crystal structure with space group p42 / n and lattice parameters a = 1. 021nm, c = 0. 519nm

    O 0 ）金屬間化合物的顯微組織由連續的nb3si基體、彌散分佈的nb粒子組成，其中亞穩態相nb3si為四方結構，空間群p42 n ，點陣常數a l
  11. Because there are many kinds of matrixes in titanium matrix composite, we select some typical ones as investigated subject in many titanium alloys or titanium aluminide intermetallics, and then simulate the distribution of thermal residual stresses under the appropriate composites fabrication and heat treatment parameter. we not only hope to seek better titanium matrix, but also discover the relationship between the material properties and the thermal residual stresses, and then provide some theoretical guidance for the selection of the matrix in titanium matrix composites

    鑒于當前鈦基復合材料中鈦基體的多樣性，我們將在各種類型的鈦合金和鈦鋁金屬間化合物中，挑選出較為典型的作為研究對象，利用本文得到的較為理想的復合材料加工和熱處理工藝參數，逐一模擬它們的殘余熱應力，找到殘余熱應力分佈較為理想的鈦基體，並且，希望能夠尋找到材料性能與熱殘余應力的相互關系，為鈦基復合材料基體的選擇提供一定的理論指導。
  12. The results also indicated that, in the beginning of the exposure time, cd, cr and zn had an accumulation peak in liver and then a decrease in accumulation concentration, which maybe associated with the interaction of mixed heavy metals or the detoxifcation of metallothionein ( mt ) in the livers

    本研究首次發現cd 、 cr和zn三種重金屬在曝露初期，在肝臟的積累過程中，形成一個積累高峰，隨後下降，推測可能與混合重金屬間的相互作用有關，也可能與肝肋中mt的解毒功能有關。
  13. However, the die attach layer delaminated after 500 cycles and pcb cracked in the underfilled samples after long time cycling. c - sam is employed to investigate the delamination in the underfilled samples. highly concentrated stress - strain induced by the cte mismatch between the bga component and the pcb board, coarsened grain and two kinds of intermetallic compounds ( nisn / nisns ) which formed during reflow and thermal cycle and their impact on the reliability of solder joints are discussed in this paper

    充膠樣品粗化尤為嚴重； ? ni - sn金屬間化合物包括兩層：其中，靠近ni焊盤的那層比較平整，同時， eds結果分析表明其化學式近似為nisn ，而靠近焊料的那層呈板條狀，化學式近似為nisn _ 3 ，文獻表明其為亞穩相； ?充膠使得樣品最大應力范圍降了接近一個數量級並降低了dnp的作用，同時，器件失效模式變為晶元粘接層分層； ? c - sam結果表明本論文採用的充膠樣品，晶元粘接層分層起始於500周左右，而經過2700周循環的樣品，分層幾乎擴展到整個界面。
  14. The mpgcfs observed by sem have such characteristics as the concentration of the deposited metal varied gradiently across the section of the film. one side is deposited phase, which is mainly composed of predominant metal and minal polymer ; and the other is undeposited phase, which is polymer matrix and hardly contains m etal ; and between the two side is the transition phase, where the polymer and metal interpenetrated

    結果通過掃描電鏡發現，合成的mpgcf具有以下的特徵：金屬相在膜的厚度方向上呈梯度分佈，膜的一側為緻密的金屬，另一側為不含金屬的聚合物基體，兩側的中間為聚合物和金屬互相貫穿的過渡層。
  15. In theoretically flow - levitation method can prepare the nanoparticle of a series of different metal element and different size. through a course imitate for preparation of nanometal powders in inert gas by flow - levitation method, have established the mathematics model of the metal droplet surface evaporate to form suspension nanoparticles in inert gas, the calculation of this model shows as a result, the major factor of affect nanometer

    研究表明，自懸浮定向流法制備的納米金屬間化合物微粒其相組成與蒸發源母料的成分有一定的對應關系，適當條件下得到的產物顆粒中，主要組成相的cu 、 al原子比基本接近或盡量與蒸發源母料的cu 、 al原子比趨於一致，換言之，可以通過
  16. It was found that the interfacial bonding of 93w - ofc was both the joining action of ofc / w grains and that of ofc / ni - fe binders, whereas the joining of ofc to tc4 could be seen as the mutual intense diffusion effect between ofc / tc4 and as a result cu - ti intermetallic compounds were formed at the joint. the joining of tc4 - a1 and a1 - mb2 were also attributed to the result of diffusion between elements ti - al and al - mg respectively. on the other hand, residual thermal stress and stress - induced distortion were produced at the joint simultaneously due to the difference in thermal expansion coefficient of different welding " materials

    研究表明， 93w與ofc的界面連接是ofc與93w中w晶粒的連接以及ofc與93w中ni - fe粘接劑的連接共同作用的結果； ofc與tc _ 4連接界面的形成是由於ofc與tc _ 4之間發生反應擴散，並由此在二者接頭處生成了cu - ti金屬間化合物的中間相； tc _ 4 - al的連接與al - mb _ 2的連接則分別是其基體元素ti 、 al之間和al 、 mg之間元素互擴散的結果，另外，由於熱膨脹系數的差異，擴散焊接后在不同焊件的接頭處存在殘余熱應力並由此引起接頭的形變。
  17. There were significant negative relationships among soil microbial carbon, microbial nitrogen, basal respiration, microbial metabolic quotient, urease activity, dehydrogenase activity, nitrification, nitrogen fixation and cadmium or lead concentration ( r0. 01 = 0. 765, r0. 05 = 0. 632 ). there was a close positive relationship between soil microbial biomass c : n ratios and cadmium or lead concentration ( r = 0. 8920 )

    上述微生物活性指標與重金屬間的相關性分析表明，微生物生物量碳、基礎呼吸、微生物代謝商、脫氫酶活性與cd 、 pb的加入量呈極顯著負相關性，土壤微生物生物量c n比與cd 、 pb的加入量呈現極顯著正相關關系。
  18. Based on the analytical result of stirring kinetics, the maximal affecting factors to the size and distribution homogeneous degree of intermetallic al3fe reinforcement phase in al matrix during the stage of heat preservation stirring are studied, and some important parameters of stirring equipment and stirring process are ascertained, and the stirring processing is optimized

    根據攪拌動力學分析的結果，研究了攪拌過程中對金屬間化合物al _ 3fe強化相尺寸大小和分佈均勻度的影響的因素，確定了攪拌設備和攪拌過程的幾個重要參數，並對攪拌工藝進行了優化設計。
  19. The effects of the fabrication and heat - treatment methods on the microstructures and properties of the nb - si system intermetallics have been studied and the optimized nb - si intermetallic system as well as the optimized fabrication and processing procedures have been selected. the presence of alloying elements as well as the morphology and microstructure of the compound phases with these elements has been investigated. the effects of the alloying elements on the high - temperature oxidation behavior of the nb - si system intermetallics have also been studied

    本文研究了不同的制備工藝和熱處理制度對nb - si系金屬間化合物顯微組織和性能的影響，優選了合適的材料體系、制備工藝和熱處理制度，分析了微合金化元素及其形成相的組織、結構、形態、存在形式等及其對材料高溫抗氧化行為的影響，提出了材料高溫抗氧化行為和室溫斷裂行為的微觀機制，為研製nb - si系金屬間化合物基高溫結構材料奠定了一定的基礎。
  20. The results reveal that the microstructure of the nb - si system intermetallics consists of nb and nbasi phases. because of unstable microstructure of nfysi phase at high temperature, the equilibrium nb + nbssia dual - phase microstructure of the nb - si system intermetallics should be acquired by means of heat - treatment

    研究表明，採用電弧熔煉和單晶生長技術制備的nb - si系金屬間化合物的顯微組織主要由nb + nb _ 3si組成，而由於nb _ 3si相在高溫下是不穩定的，為了得到穩定的nb + nb _ 5si _ 3雙相組織，必須對材料進行熱處理。
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