grain to grain boundary 中文意思是什麼
grain to grain boundary
解釋
晶間邊界-
Based on these experiments, it may be claimed that there is segregation of sn to grain boundaries in 0. 15 % c steel during cooling from a high solution treatment temperature. this segregation reduces grain boundary cohesion, which results in low hot ductility and intergranular fracture
通過試驗和計算得出: sn在0 . 1swt . % c鋼中發生非平衡晶界偏聚的臨界時間為1245左右，臨界冷卻速率大約為8 / s ，與試驗結果基本一致。 -
The measuring of low - temperature specific heat is an important and effective method to study the structure of electronic states, the atomic vibration of lattice, phase transition and structure of grain boundary
低溫比熱測量是研究固體的電子能態結構、原子點陣振動狀態、相變、界面結構等信息的重要的且很有效的手段之一。 -
The microstructure in this system shows randomly oriented fine plate - shaped grains with multi - layered structure. the fine grains randomly oriented ( strong grain boundary scattering ) and pores in these sintered samples could decrease the electrical conductivity. however, on the other hand, the fine grains randomly oriented and pores could lead to a dramatic decrease in the thermal conductivity
燒結樣品的顯微結構由具有多層片狀結構的顆粒組成，材料的顯微結構直接影響到材料的電導率和熱導率，細小顆粒和氣孔的存在會引起電導率的降低，同時也能降低材料的熱導率，優化材料顯微結構是提高材料的熱電性能的關鍵步驟。 -
The electronic - ceramic capacitive - type sensor for coi is based on the nanometer and semiconductor theories. according to the mechanism of the gas surface absorbing actions and the mechanism of grain boundary effect of semiconductors, the capacitance of the sensor can be changed with the variation of co2 concentration
Co _ 2氣敏陶瓷電容型傳感器將納米理論和半導化理論引入了傳感器的研製過程中，這種傳感器通過氣體表面吸附，及在半導體介質的晶界層產生的晶界效應，使得不同濃度co _ 2氣體產生不同的電容值。 -
With carbon content increasing, the carbide network on the fertile grain boundary sprouting and propagating. the fracture mode has been changed from cleavage to along boundary and the intergranular corrosion induced by solution chromium decreasing
隨碳含量提高，晶界上碳化物萌發、擴展呈網狀，鑄件脆斷由解理斷裂發展為沿晶斷裂，同時鐵素體不銹鋼晶間腐蝕傾向增大。 -
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。 -
We apply the system to the ultra - fine grain steel welding, the simulated mean grain size in cghaz agreed well with the corresponding independent experimental data. in this paper, three factors influencing the grain growth, the steep temperature gradient in haz. the grain boundary liquid and the precipitates particle, were studied specially using mc technique
研究表明溫度梯度造成的「熱釘扎」現象和晶界液化現象都對靠近熔合線附近的晶粒長大有明顯的阻礙作用，對最終的晶粒大小分佈有重要的影響：而800mpa超細晶粒鑰中的tin粒子山于溶解溫度高，抑制奧氏體晶粒長大的效果十分顯著。 -
In chapter two, according to n - s equation, considering the couple between liquid and solid, the double - fluid model is used to respectively set up momentum equations of two - phase fluids in condition of basic hypothesis, which are general equations of two - phase fluids. simplifying the equations in boundary layer, the momentum differential equations are required and the boundary conditions are given. in the same time, the simplifying equations and their solutions, in which solid grain satisfies in boundary layer
第二章依據n - s方程，考慮到液、固之間的相間耦合，在基本假設條件下，採用雙流體模型，分別建立液、固兩相的動量方程，它是固液兩相流體的一般方程式；對其在邊界層流區內進行量級比較，得到邊界層動量微分方程並給出其邊界條件，同時也得到固體顆粒在邊界層內所滿足的簡化方程及其解的表達式。 -
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。 -
On the basis of macroscopic simulated results, polycrystal model including grain boundary zones was established to model the mesoscopic processes
在宏觀模擬結果基礎上，通過建立包含晶界影響區的多晶模型，對宏觀拉伸試樣頸縮微區的細觀變形過程進行了數值模擬分析。 -
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。 -
To explain the inverse hall - petch relation in nanocrystalline metals, a geometric model is made, which assumes that the grains are spherical crystals, and the thick of grain boundary is considerable compared with the microcrystalline metals
提出了一個球形晶體純晶界滑移幾何模型，得到出現反hall - petch關系的條件和小晶粒尺寸條件納米晶金屬材料的強度極限。 -
The microstructure observation in the microfissures suggests the liquation microcrack results from grain boundary liquation by constitutional liquation of mc carbides and formation of continuous and or semi - continuous low melting liquid films, however, the occurrence of the solid state microcracks can be attributed to the effect of ultrafast transit thermal shock introduced by high energy electron beam
液化裂紋起源於mc碳化物的組份液化而形成的晶界連續或半連續的低熔點共晶液化膜，固相裂紋形成的則是高能電子束流的快速瞬態熱沖擊效應的直接結果。 -
The properties was tended to be centered. the grain boundary and grain edges were more faintness after post - hip. and the grain boundary was strengthened at high temperature and ultra - pressure ? so the ceramics was mainly transgranular - fractured, while the samples was mainly intergranular - fractured before processing of post - hip
Hip處理后，材料的各項性能指標均有所改善，特別是可以大幅度提高抗彎強度，強度分散性有所降低，材料的性能趨向穩定hip處理后，晶界在高溫高壓下得到增強，斷口呈典型的熔蝕行貌，斷口晶界變得模糊。 -
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。 -
On the other hand, tiny clusters in the grain boundary regions are of no interactions, hence result in a temperature behavior similar to the above one of magnetic granular alloys
在顆粒邊界區域內，小聚集體之間沒有耦合作用，導致低溫區域出現類似顆粒復合膜中巨磁阻效應的溫度行為。 -
In order to improve the properties of materials, one needs to understand the structural relationship between interface and matrix of the materials, such as interface atomic structure, misfit dislocation, chemical bond structure, stress field distribution, composition segregation etc. there are tremendous research works on the grain boundary and interface structures during last century and the sophisticated theory about grain boundary and interface, i. e. coincidence site lattice and 0 - lattice theories had been developed simultaneously
眾所周知，材料的宏觀性質是由其微觀結構所決定的，因此，為了改善材料的宏觀性能我們有必要弄清楚材料的界面與基體之間的結構關系，如界面的原子結構、失配位錯、化學鍵合、應力場的分佈等等。在上世紀，人們已對晶界和相界面結構進行了大量的研究，同時，相關的理論如「重位點陣」和「 o -點陣」理論也發展成熟。 -
Toughening mechanism of zro2 ( y2o3 ) to alumina ceramic came from the phase change of t - zro2 on the grain boundary. with the content augmentation of zro2 ( y2o3 ), the fracture toughness of the alu
Mga12o ;和zro :平均熱膨脹系數與a1203的熱膨脹系數比較接近，匹配性較好，不會產生明顯的熱應力，有利於氧化鋁陶瓷力學強度的提高。 -
Also, considering the disturbance action of solid grain to boundary layer, disturbance factor is cited
又考慮到固體顆粒對邊界層的擾動作用，引入了擾動因子。 -
Grain size, the semiconducting of grain and the insulating of grain boundary were keys to the single - fired process of preparation of srtio3 - based double function ceramic, and affected directly the dielectric and varistor properties
在srtio _ 3基雙功能陶瓷的一次燒成制備過程中，最關鍵的是晶粒生長、晶粒半導化和晶界絕緣化，它們直接影響陶瓷的壓敏和介電性能。
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