顆粒界面 的英文怎麼說

中文拼音 [jièmiàn]
顆粒界面 英文
granular boundary
  • : 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)
  • : 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名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • 顆粒 : 1 (小而圓的東西) pellet; bead; dust; anything small and roundish (as a bean pearl etc )2 (一...
  • 界面 : [物理化學] interface; boundary; limiting surface
  1. 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,液固的曲率過熱使晶外形向球狀轉變。
  2. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象,採用真空熱壓粉末冶金燒結工藝制備了含sic體積分數分別為5 、 15和25的sic增強鋁基復合材料,結合其力學性能、掃描電鏡和微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的現象,以及材料增強和斷裂機理,並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮破壞響應進行了研究,分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下,材料的變形和微觀損傷機理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  3. The age hardening characteristic of as - cast cu20ni20mn and cu20ni35mn alloys and the interface characteristic between the alloy and cast tungsten carbide were studied, and on the basis of this study, composites of cu - ni - mn alloy reinforced with different volume fraction ( 0 - 45vol. % ) and different size ( 42 - 362 m ) of cast tungsten carbide particles were made by vacuum hot - pressing liquid sintering technology. pin on disk two body abrasion tests have been performed with different size of sic abrasive under different loads

    本文研究了鑄態cu20ni20mn和cu20ni35mn合金的時效硬化特性及其與鑄造碳化鎢的特性,並在此基礎上以不同尺寸( 42 362 m )的鑄造碳化鎢為增強體,採用真空熱壓液相燒結技術制備了不同含量( 0 45vol . )的鑄造碳化鎢增強cu - ni - mn合金基復合材料;以不同度的sic為磨料,在不同載荷條件下利用銷?盤磨損試驗機測試了復合材料的二體磨料磨損性能。
  4. The problems can be addressed, in part, through a strongly reactive alloying addition, such as mg, li and so on, and through reinforcement coating. in this paper sicp / al composites and sicp / al - si composites fabricated by the pressureless infiltration method. in order to found out the influence the different quantity of the reactive alloying addition mg si ce on the wetting between sicp and molten metal as well as the properties of mmcs, the behaviors of molten metal, the mechanical properties, micro - structure and the interfacial reactions was investigated respectively

    本文通過研究制備sicp al復合材料、 sicp al - si復合材料的過程中,熔融鋁液或鋁硅合金液的浸滲行為、 sic - al 、 sic - al - si之間的反應、復合材料的機械性能、微觀結構等,探討了不同量的活性元素mg 、 si 、 ce對sic與熔融基體之間的潤濕性及復合材料性能的影響。
  5. The critical concentration and critical particle surface area in constant rate section is studied. the floc density pa and the floc equivalent diameter da are calculated on the basis of experimental data and theoretic analysis

    研究了等速段的臨濃度、臨積;分析計算了絮團密度_ 、泥沙絮團當量直徑d _ 。
  6. It is found that " phase produces coplanar slip and reduces the number of movable slip systems because its particles are cut by moving dislocations in deforming process, for its large critical size of cut - bypass, accordingly its strengthening contribution is anisotropic. and strengthening contribution of t1 phase is also anisotropic because it distributes on the four { 111 } slip planes while its critical size is small

    研究表明,相由於的切過-繞過臨尺寸較大,在變形過程中被運動位錯切過,由此產生共滑移,減小可動滑移系數目,所以其強化具有各向異性; t _ 1相的臨尺寸較小,但分佈於四個{ 111 }滑移上,故其強化也具有各向異性。
  7. By the phenomenon came from critical sand - gravel granular mixtures slope experiment, the falling causation, form, scale, and preventing principal in sliding - sand slope were discussed. the causation can be drawn : the slope received sands from the slope top continuously ; non - uniform degree and granular size in strong weathering environment may be changing ; and the restrain in slope foot was weakened. these factors, cause the fal

    結合乾燥沙石臨坡實驗現象觀察,對溜砂坡災害的產生原因、崩塌特性及防治原則進行了討論,提出溜砂坡崩塌的三個主要成因:寒凍風化引起上部沙來源的持續不斷;坡的風化作用使進一步均勻、細化,造成原來處于亞臨而穩定的坡達到臨而容易失穩;坡腳對牽引式崩塌的制衡作用削弱,易受坡腳干擾而誘發。
  8. Therefore, it is an efficient way to dilute cro2 granules for enhancing extrinsic mr, due to the formation of new metal - insulator microstructure, which adjusts natures of barrier. in much of work published, much interest involves the fabricating technique and magnetotransport of cro2 ferromagnet, experimentally

    因此,採用cro _ 2 -絕緣復合的方法,以形成新的微結構來調整顆粒界面狀態和隧穿勢壘性質,是降低外磁場、增強外稟磁電阻效應的有效手段。
  9. The melted tungsten carbide would react with the steel matrix on the interface and the reaction zone was observed as a result. the reacting production was examined as fe3w3c by means of x - ray diffraction and scanning electron microscopy analysis. the reaction between tungsten particle and steel matrix could improve the interfacial bonding strength remarkably

    Wc鋼復合材料的制備過程中, wc在高溫下發生了局部溶解並在wc和鋼基體處發生了反應; x射線衍射和電子衍射花樣分析表明,反應產物為高穩定性的fe _ 3w _ 3c ,反應有效地改善了wc與鋼基體的結合。
  10. The macroscopic defects such as twins, small - cracking, scattering particles, growth layer and cores are examined ; they are related with the temperature difference between gas and melt : the twins and small - cracking come out when the difference is large, the bubbles and scattering particles come out when that is small

    觀察到了孿晶、裂隙、雲層、生長層和核心等宏觀缺陷,晶體的這些宏觀缺陷與氣- -液溫差有較大關系:溫差大容易造成孿晶、裂隙等缺陷;溫差小容易造成氣泡、散射等缺陷。
  11. The results show that, composite could be fabricated on the complicated surface by means of sodium silicate sand mold combination with vacuum infiltration process. when the substrate was 10 mm, composite layers reached 3 mm to 5 mm in thickness with high strength interface and less casting defect. microstructures of grey cast iron and low chromium cast iron matrix composites with various volume fraction has been analyzed

    結果表明:用水玻璃砂型(芯)加負壓鑄滲的工藝能夠實現復雜表(曲增強復合材料的制備,澆注方式簡單可靠,基材厚度在10mm時,復合層厚度能達到3 5mm ,且復合層鑄造缺陷少,復合效果好,緻密而且結合強度高。
  12. Among these methods particle co - sedimentation is one of the most promising ways to fabricate large - scale profiles with continuous and smooth variations in composition and microstructure

    其中共沉降法由於可以消除功能梯度材料的,實現功能梯度材料在組分上的連續分佈,成為一種重要的功能梯度材料的制備方法。
  13. The research on the properties of the copper nanoparticles / paraffin thermosensitive composite materials reveals : the thermal sensitivity and the thermal expansion are " aried by the cempress moulding in heat condition with the change in density ; the thermal sensitivity is varied by the mechanical milling with the change in particle shape and particle dimension ; the mass ration of copper and paraffin in the composite materials also affects the thermal sensitivity, the thermal expansion and the thermal stability with the change in copper nanoparticles and paraffin interface

    對復合進行壓力成型后制備的復合材料進行性能測試分析表明:熱壓成型工藝通過改變復合材料的緻密度來影響材料的熱敏性和熱膨脹性。高能球磨工藝主要通過改變球磨時間使銅形狀和徑發生變化來影響復合材料的熱敏性,以及改變銅粉和石蠟的質量比使納米銅和石蠟的復合發生變化來影響材料的熱敏性、熱膨脹性和熱穩定性。
  14. Due to its complexity of the problem, the theories and experiment results obtained are discrepant, and some of them are even contrary one another. started from the influence by movement rules of small cavities and solid particles, the mechanisms of combined effect of cavitation and sand abrasion are study in this thesis from the aspect of the turbulent coherent structure near the wall. first, a dynamic equation is established for a single spherical bubble and single spherical sand under the non - turbulent coherent structure near the wall, and then a dynamic equation established under the turbulent coherent structure near the wall

    首先從理論上推導出在典型湍流邊層模式的非擬序結構下空泡與固體的近壁區運動方程,然後推導出湍流近壁擬序結構作用下的空泡與固體的近壁區運動方程,再將兩種不同條件下的的運動方程進行比較,指出湍流近壁區的擬序結構對空蝕與磨損的發生具有決定性的意義,即正是由於擬序猝發作用的存在,才使得空泡、沙對壁的空蝕與磨損作用得以發生。
  15. And the relation between these velocity was analyzed at last. this is the conclusion : ( 1 ) the distribution of the velocity and concentration are get in the open channel flow and as the sewage flow is gravity flow, the equations is fit for this too. ( 2 ) generally speaking, the self - cleaning velocity should be the starting velocity, and it could fit for the self - cleaning target in limited sense theoretically, but when facing some higher requirement, it is not large enough

    最後結合污水流動的最小設計流速與起動流速、臨不淤流速的關系進行了分析,結論如下: ( 1 )文中所得出的速度分佈與濃度分佈是在明渠兩相流動情況下推得的,由於污水管道流動多為重力流,是明渠流中的一種,所以文中的分析在認識污水流動特性方具有一定的參考價值。
  16. 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,因而磁體晶更細小,並且主相晶趨于規則化,晶間相的分佈更均勻;在常規燒結的磁體中則出現了晶異常長大現象,造成這一現象的原因,一方可能是燒結溫度過高或燒結時間過長,另一方可能是磨製的粉體均勻性較差,存在的大被許多細小包圍,在燒結過程中,大不斷吞併小,逐漸長大,而異常長大的晶自然會導致磁體性能的惡化。
  17. The factors which effect the fsmf filler to build up strength and toughness in the resin matrix composite materials include the size and the shape of fsmf grain the glue performance on the interface of resin matrix and the grain of fsmf

    同時得出fsmf與樹脂基體上的粘結性能、 fsmf的大小和fsmf的形狀等是影響fsmf填充樹脂復合材料增強增韌的重要因素。
  18. In order to obtain well effect on the improve the strength and toughness, the interface on the grain and the resin matrix should have a good glue performance ; the diameter of the grain should be small and the shape component of grain patch and fiber should be suitability

    要獲得好的增強增韌效果,填料與樹脂基體上應有好的粘結性能;徑應小且填料粉體中狀、片狀和纖維狀的組分應適當。
  19. The forming - nucleus drive power could form numerous little crystal nucleus under natural melting temperature. the formation of tic particles in the melt could be divided into two phases which was forming - nucleus and growth. the forming mechanism of tic was : melting ti first surrounded c, then ti melting in the alloy and c formed a complicated reaction mesosphere on the carbon surface

    根據熱力學及動力學分析,認為在碳顆粒界面處tic的形核率很高,形核驅動力足以在正常的熔煉溫度下形成眾多的小晶核;熔體中tic的合成可分為形核與長大兩個階段,其形核機制為:首先活性ti原子包圍c ,溶入合金中的ti與c在碳表形成一復雜反應中間層,隨著反應進行, ti和c不斷減少,生成的tic不斷彌散分佈於熔體中;其長大過程伴隨著tic的相互堆砌、聚集和形態規則化。
  20. Nano - si embedded sio2 composite thin film were fabricated by using ball - milling and sol - gel technology, it is found that the red pl band located at about 730nm is affected by the interface characteristic of nano - si, this indicated that the red emitting resulted from nc - si is also rely on its interface characteristic

    採用球磨與溶膠凝膠法結合制備了sioz鑲嵌納米出復合薄膜,發現位於刀on附近的紅光發射帶受納米顆粒界面的影響,說明起源於硅納米的紅光發射依賴于特性。
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