晶粒微化溫度 的英文怎麼說

中文拼音 [jīnglìwéihuàwēndù]
晶粒微化溫度 英文
grain refining temperature
  • 晶 : Ⅰ形容詞（光亮） brilliant; glittering Ⅱ名詞1. （水晶） quartz; （rock） crystal 2. （晶體） any crystalline substance
  • 粒 : Ⅰ名 （小圓珠形或小碎塊形物） small particles; grain; granule; pellet Ⅱ量詞（用於粒狀物）
  • 溫 : Ⅰ形容詞（不冷不熱） warm; lukewarm; hot; gentle; mild Ⅱ名詞1 （溫度） temperature 2 （瘟） acute ...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 溫度 : [物理學] temperature
  1. The cholesteryl liquid crystal mixture was microcapsulized by complex coacervation method using gelatin and acacia as membrane materials. the effects of the concentr ation and quantity of arabic gum on the microcapsule particle size and color showing were also studied

    最後，採用以明膠?阿拉伯樹膠為囊壁材料的復凝聚法對配製的顯色示溫混合液晶進行了微膠囊化處理，並著重討論了阿拉伯樹膠的濃度及用量對液晶微膠囊粒度及顯色效果的影響。
  2. Based on the analyses on mechanical properties, microstructure and fracture of - the microalloyed steels socrv with various heat treatment technique, it can be affirmed that various fractures arttribute to various mechanism, we can draw conclusion that the strength and toughness of microalloyed steels 50crv will be increase simultaneously by optimal heat treatment technique. to illustrate the mechanism of the strength and toughness of microalloyed steels socrv, we designed the comparative experiment and observed the microstructure of the sample which occurred at different quench and tempering temperature and different tempering time. the last experiment results were determined by the four factors : fined microalloyed elements grains, the decompound of martensite, martensite transformation of remnant austenite and the second phase precipitation

    為解釋微合金化50crv鋼強韌化機理，本文通過對不同淬火溫度，回火溫度，回火時間下的力學性能指標的對比及顯微分析，認為微合金元素的細化晶粒，馬氏體的回火分解，殘余奧氏體的轉變，第二相的沉澱析出共同決定了微合金鋼的強韌化情況，特別是由於微合金元素的存在，其細化晶粒及其碳氮化物的沉澱析出，導致鋼的良好的強韌性，並且如果工藝滿足第二相的沉澱析出強化大於回火馬氏體分解引起的軟化效應，會在硬度曲線中產生明顯的二次硬化現象。
  3. But the grain growth, grain semiconduction and grain boundary insulation were influenced by many factors, such as the type and contents of dopants, sintering temperature and so on. therefore, in this thesis the effect of the restore sintering temperature, the oxygenize temperature, the donor and acceptor dopant on the dielectric and varistor properties of devices were studied. with sem, the microstructure of srtio3 - based double function ceramic was analyzed

    而晶粒生長、晶粒半導化和晶界絕緣化受到多種因素的影響，諸如雜質的種類和含量、燒成溫度等，因此本論文研究了還原燒成溫度、中溫氧化溫度、施主和受主摻雜等對srtio _ 3基陶瓷的壓敏和介電性能的影響，並藉助于sem分析對srtio _ 3基雙功能陶瓷的微觀結構進行了分析。
  4. The results from x - ray diffraction demonstrated that pp / mmtome was a fully intercalated nanocomposite, pp / mmtom and pp / ommt were partly intercalated nanocomposites, but the intercalation effect of pp / mmtom nanocomposite was better ; the crystallization characteristics of pure pp and pp / mmt nanocomposites were investigated by dsc, waxd and pom. the result of these testing showed that mmt nano - layers acted as nucleating agents for the crystallization of pp, the addition of mmt had effect on the crystallization process, leading the increasing of crystallization temperature crystallization rate and crystallinity, but also the dimension of spherulite reduced. but the formation of pp crystal did n ' t change, the formation of pp crystal in three pp / mmt nanocomposites and pure pp were a - form on the whole ; influences of three sorts of mmt on mechanical properties of pp / mmt nanocomposites were studied, as a result, the addition of mmt comprehensively improved mechanical properties of pp : notched impact strength, tensile strength and flexural properties were all increasing, but the extent of increasing were n ' t large

    通過xrd分析比較這三種pp mmt納米復合材料微觀結構得到， pp mmt _ （ ome ）屬于完全插層， pp mmt _ （ om ）與pp ommt的插層程度相近，但是pp mmt _ （ om ）相對較好；通過對純pp和三種pp mmt納米復合材料的結晶性能研究發現，蒙脫土納米片層對pp結晶產生明顯的異相成核作用，結晶能力增強，使pp的結晶溫度和結晶速率提高，結晶度增加，球晶晶粒細化，但是沒有改變pp的結晶形態，三種pp mmt納米復合材料的結晶形態都屬于晶；通過對pp mmt納米復合材料的力學性能測試得知，蒙脫土的加入全面提高了pp的力學性能，缺口沖擊強度、拉伸強度和彎曲性能都有一定程度的提高，浙江{ _業大學碩十學位論文摘要但是提高幅度都不是很大，不過ommt 、 mmtom和mmtc ） me三種蒙脫土對pp力學性能有著不同的改性作用，其中pp / mmtom最好， pp月邊mto崛次之， pp / ommt最低，這種情況主要是由蒙脫土對pp結晶性能的影響和蒙脫土的納米改性作用造成的。
  5. The raw materials, the composition, the time of milling, the calcining temperature, the different additives, the sintering temperature and the sintering parameters were investigated. the result showed : it was advantaged to obtain high initial permeability mnzn ferrite with stable frequency characteristic using high - purity raw materials ; in order to obtain mnzn ferrite with high properties, we must control strictly the composition ; it could improve the properties of mnzn ferrite by optimizing calcining temperature. the lower calcining temperature made the permeability higher, and the higher calcining temperature could promote the frequency characteristic of permeability ; we chosen the right time of milling according to the requirement of power diameter ; in order to improve the properties of mnzn ferrite, it is necessary to add effective additives. in this dissertation, the influence of bi2o3 、 moo3 、 k2co3 、 co2o3 were investigated ; the sintering temperature, the time of heat - retaining and sintering parameters were the key factors of preparing high permeability mnzn ferrites

    研究結果表明:採用高純度的fe2o3有利於獲得高起始磁導率且頻率特性優良的鐵氧體;為了制備所需性能的鐵氧體，需要嚴格控制配方中各種原材料的含量，優化配方;由於粉體活性受預燒條件的影響，所以對不同要求的鐵氧體選擇的預燒條件就不一樣，適當降低預燒溫度有利於獲得較高的起始磁導率，而為了獲得良好的頻率特性可以適當地提高預燒溫度;根據對粉體顆粒粒徑的不同需求，可以選擇不同的球磨時間;而有效的添加劑是改善材料性能的必要條件，本文在添加劑的研究中主要對bi2o3 、 moo3 、 k2co3 、 co2o3的影響分別作了詳細地討論;燒結溫度、保溫時間和燒結氣氛是高磁導率mnzn鐵氧體制備最關鍵的工藝，適宜的燒結工藝可以獲得理想微結構和組成，從而得到高性能的鐵氧體材料;而從材料的微結構上來看，要提高材料的截止頻率，就要適當地細化晶粒、增加晶粒內部的氣孔。
  6. The quality of buffer layer and thin films was analyzed by afm, xrd, rheed and xps respectively. the effect of the experimental parameters such as carbonization time, working pressure, c source gas flow rate, carbonization temperature, different carbonization gas and substrate on the carbonization process was studied firstly. it was observed that the size of particles was increased with the increase of carbonization time and the rms was opposite, but the trend was reduced while the carbonization time was long enough ; the size of particles was increased with the increase of working pressure too, and choosing a proper working pressure could get a smooth surface ; the size of particles was unobviously changed while the gas flow rate was low, but it was notability increased with the increase of gas flow rate while the gas flow rate was high enough, and a smooth surface could be also obtained by choosing a proper gas flow rate ; with the increase of carbonization temperature, the size of particles was increased, the rms is decreased and a good single - crystalline carbonization layer could be obtained, but a rough surface was formed at a excessive high temperature ; the rms of

    對于碳化工藝，側重研究了碳化時間、反應室氣壓、 c源氣體的流量、碳化溫度以及不同種類的c源氣體、基片取向等因素對碳化層質量的影響，研究結果表明:隨著碳化時間的增長，碳化層的晶粒尺寸隨之變大，表面粗糙度隨之降低，但當碳化到一定時間之後，碳化反應減緩，碳化層的晶粒尺寸以及表面粗糙度的變化幅度變小;碳化層的晶粒尺寸隨反應室氣壓的升高而變大，適中的反應室氣壓可得到表面比較平整的碳化層;在c源氣體的流量相對較小時，碳化層的晶粒尺寸隨氣體流量的變化不明顯，但當氣體流量增大到一定程度時，碳化層的晶粒尺寸隨氣體流量的增大而明顯變大，同時，適中的氣體流量得到的碳化層表面粗糙度較低;碳化溫度較低時，碳化層的晶粒取向不明顯，隨著碳化溫度的升高，碳化層的晶粒尺寸明顯變大，且有微弱的單晶取向出現，但取向較差，同時，適中的碳化溫度可得到表面平整的碳化層;相比于c _ 2h _ 2 ，以ch _ 4作為c源氣體時得到的碳化層表面平整得多;比起si （ 100 ） ，選用si （ 111 ）作為基片生長的碳化層的晶粒取向一致性明顯更好。
  7. The microwave magnetic sintering can not only lower the sintering temperature and shorten the sintering time, but also decrease the micro - grain size of magnets and make intergranular phase and grain boundary of main phase distributed well. the abnormal grain growth was found in conventional sintered ndfeb magnets, which may be due to the greater particle size and uneven distribution of powder, and higher sintering temperature and longer sintering time. of course, the abnormal grain growth would deteriorate the magnetic properties

    微波磁場燒結的不但降低燒結溫度，縮短燒結時間，而且使磁體整體加熱，受熱更均勻，因而磁體晶粒更細小，並且主相晶粒邊界趨于規則化，晶間相的分佈更均勻；在常規燒結的磁體中則出現了晶粒異常長大現象，造成這一現象的原因，一方面可能是燒結溫度過高或燒結時間過長，另一方面可能是磨製的粉體均勻性較差，存在的大顆粒被許多細小顆粒包圍，在燒結過程中，大顆粒不斷吞併小顆粒，逐漸長大，而異常長大的晶粒自然會導致磁體性能的惡化。
  8. The results of pure cu show ecap can produce bulk material of submicrometer level indeed. as the number of passes increases, the initial structure of pure cu has been refined largely. after six passes, i. e. the equivalent true strain of 4 ~ 5, the grain size gradually becomes stable and uniform

    對純銅室溫ecap晶粒超細化行為及組織穩定性的研究表明： ecap技術的確能制備出亞微米級的塊體材料，隨著ecap道次的增加，純銅的組織被大大細化， ecap六道次（即等效真應變4 5 ）后，晶粒尺寸趨于穩定，硬度基本飽和。
  9. On the basis of photoelectronic dynamics, an energy model at room temperature that describes the cubic silver halide microcrystals not doped or doped with metal ion complex at deferent doping amounts is proposed, and then a series of differential equations describing the relationship between carriers number are set up

    本工作以光電子動力學理論為依據，建立了一種描述純鹵化銀微晶及摻有不同濃度金屬離子絡合物的鹵化銀立方體微晶在室溫下的能級模型，由此生成了一組描述粒子數關系的微分方程。
  10. By the increasing of temperature, liyco3 - xo4 was further changed into licoo2 and lixco1 - xo, and then licoo2 formed by the reaction of lixco1 - xo with li2o. the reaction that produces licoo2 is almost completely done at 700, although some remaining li2o and li2co3 present as a partially amorphous film dispersed on the surface of licoo2, which can accelerate the growth of licoo2 crystallites. however, when temperature is higher than 850, some of licoo2 begin to decompose into the solid solution phase of liyco2 - yo2 and lixco1 - xo, and damaged its own crystal structure

    制備licoo _ 2的合成反應中licoo _ 2的微結構不斷發生變化，隨著焙燒溫度升高， co _ 3o _ 4晶粒逐漸減小， licoo _ 2晶粒和顆粒逐漸長大，晶格內部缺陷減少， licoo _ 2晶格趨于完整，在焙燒溫度為850時licoo _ 2晶粒達到最大值；焙燒溫度低於700 ，晶胞參數a隨著焙燒溫度上升而減小，晶胞參數c隨著焙燒溫度上升而增大；而高於700則晶胞參數基本保持不變。
  11. In the process of making 95 alumina ceramics, selected five kinds of alumina powder and studied the influence of different alumina powder on the sintering properties and mechanic properties of 95 alumina ceramics, moreover, selected the most agreeable alumina powder according to the apparatus for granularity analysis and scanning electron microscope ( sem ). the influence of different sintering temperature on the sintering mechanic properties, the microstructure of 95 alumina ceramics were investigated by adding y2o3 and la2o3 as two kinds of rare earth additives in alumina ceramics. the results indicated that the additive of la2o3 could improve the properties of 95 alumina ceramics more effectively and could get fine grain and tabular alumina that can enhance the strength of the material

    選用了五種al2o3粉料，研究了其對95al2o3瓷燒結性能和力學性能的影響，並結合粒度分析儀sem對al2o3粉料進行優選；通過添加y2o3 、 la2o3兩種稀土添加劑，研究了不同燒成溫度對95al2o3瓷的燒結性能、力學性能及顯微結構等的影響，結果表明：添加la2o3可以有效提高95氧化鋁瓷燒結性能和力學性能，形成細晶和板狀氧化鋁瓷的顯微結構；通過對比不同氧化鋁粉料制備氧化鋁瓷燒成溫度曲線與燒結性能的關系，確定最佳的燒成溫度范圍為1570 ~ 1600 。
  12. Changing the grading of sic particles not only affects the strength and pile density, but also modifies the phase compositions and microstructure of the material. with the reducing of sic particles, the strength of the material increases obviously. the nitrification scheme has the greatest influence on phase compositions and microstructure " of si3n4 ( si2on2 ) - sic, after two continuous nitrification reacting peak and short - time high - temperature treating, the best properties can be obtained ; and the residual strength of the composite is much higher after the thermal shock resistance test, which shows that the material possesses excellent thermal shock resistance

    本論文較全面地探討促進強度和顯微結構良好的si _ 3n _ 4 （ si _ 2on _ 2 ）結合相的實驗條件，實驗數據顯示：引入適量的燒結助劑能夠促進si _ 3n _ 4 （ si _ 2on _ 2 ）的生成和晶粒的長大，而過量時，其促進作用反而下降；隨著si粉加入量增加，生成的結合相明顯增多，復合材料的性能顯著提高；改變sic顆粒級配不僅影響復合材料的強度與堆積密度，而且對復合材料的物相與顯微結構也有影響，隨著顆粒逐漸細化，材料的強度有較大的提高；對復合材料的強度、物相與顯微結構影響最大的是氮化制度，經過兩個氮化高峰連續的反應和短時間的高溫后處理得到的復合材料性能最好；通過抗熱震性能實驗后復合材料的殘余強度較高，顯示出較好的抗熱震性能。
  13. To investigate the effect of different laminar cooling patterns on the microstructure and mechanical properties of plates in rolling process, the changes in temperature and microstructure of plate in such cooling process were calculated simulatively by coupling finite difference method with microstructural evolution models, thus predicting the ferrite grain size and phase composition under different cooling patterns

    摘要為了研究層流冷卻方式對中厚板組織和性能的影響，用耦合有限差分和微觀組織演變模型模擬計算了中厚板層流冷卻過程中的溫度和組織變化，預測出了不同冷卻方式下的鐵素體晶粒尺寸和相組成。
  14. As the temperature and the soak time increasing, crystallite size, graphitic degree and average particle size of the graphite increase, while specific surface area decreases. the electrochemical performance of modified graphite is improved with the change in structure and surface characteristics

    結果表明，隨著熱處理溫度的升高和恆溫時間的延長，石墨材料的石墨化度、石墨微晶尺寸l _ c及l _ a逐漸增大，比表面積減小，平均粒徑增大，充放電性能得到改善。
  15. Perovskite - type complex oxides of la1 - xcaxcro3 compositions are attracting growing attention because of their superior electronic conductivity and excellent chemical stability in both oxidizing and reducing atmospheres, which makes them promising candidate materials for many important applications, such as interconnectors for solid oxide fuel cells ( sofc ), heating elements for high temperature furnaces, and current collecting electrodes in magneto - hydrodynamics ( mhd ). in this dissertation, the gnp ( glycine - nitrate process ) method has been employed to synthesize la1 - xcaxcro3 oxides. the synthesis and preparation, sinterability, electrical conducting properties and thermal expansion properties of la1 - xcaxcro3 oxides have been investigated

    本文採用gnp （ glycine - nitrateprocess ）法制備了la _ （ 1 - x ） ca _ xcro _ 3材料，對制備方法與工藝參數、材料燒結性能、電性能以及熱膨脹性能進行了研究，分析了ca ~ （ 2 + ）含量、粉體顆粒形態對材料燒結行為、燒結緻密化溫度的影響，並研究了ca ~ （ 2 + ）含量、粉體顆粒形態對材料晶體結構、顯微結構和物理性能的影響，其目的在於為該類高溫電子導體的進一步研究利應用提供實驗和理論依據。
  16. Some factors influencing the grain growth were studied in detail using mc technique. the mc simulation of grain growth can provide not only grain growth kinetics but also detailed information on temporal grain morphology evolution. furthermore, mc technique can easily simulate the " thermal pin " phenomenal caused by steep temperature gradient near the weld interface

    採用mc模擬技術，不僅能夠模擬焊接haz奧氏體晶粒長大的動力學過程，而且能夠逼真地模擬奧氏體晶粒微觀形貌的變化，更重要的是它可以很好地模擬焊接haz存在的陡峭的溫度梯度對奧氏體晶粒長大的影響。
  17. Different element in some interface change in evidence, but different element in other interface change gradually. the interface often have some hole and a mass of one element. in w - mo fgm, because the different rime temperature, the size of mo grain differ from the size of w. in w - mo - ti fgm, mo - ti layer rich in ti, there are more polygonal a

    顯微組織特徵研究表明， w - mo系和w - mo - ti系梯度功能材料整體緻密，有的宏觀層間界面明顯，在界面處成分發生突變，而且還有氣孔、顆粒偏聚等缺陷，有的宏觀層間界面處成分變化平緩； w - mo系梯度功能材料由於w 、 mo的再結晶溫度不同，梯度層顆粒粒徑有顯著差異； w - mo - ti系梯度功能材料中，以ti為主的mo - ti混合區，主要以多角形固溶體存在，富ti區主要以多角形相存在。
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