eutectic phase 中文意思是什麼

eutectic phase 解釋
共晶相
  • eutectic : adj. 【化學】低共熔的;易熔的;共晶的。n. 低共熔混合物,共晶體。
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  1. Influenced by the alternating current field, all of the eutectic microstructure of al - 20si - 5fe - ti alloy changed into very small particles which is well - distributed on the base of a - al. electromagnetic stirring stimulates the forming of equiaxed crystal in al - 20si - 5fe - mn alloy. primary iron - phase is transformed from thick needle into smooth block

    電磁攪拌促進al - 20si - 5fe - xmn合金中等軸晶的生成,初生富鐵相由原來粗厚的片狀物轉化成比較圓整的塊狀,共晶組織中鐵相主要以較短的針片狀存在。
  2. The phase diagram of the - system is complicated, and eutectic hydrates such as - and -2 occur.

    -體系的相圖是復雜的,產生象和2之類的低共熔水合物。
  3. Theoretical calculation of the phase diagrams andtheir eutectic point for 9 binary organic system

    9個二元有機物系統相圖和它們共晶點的理論計算
  4. In addition to that, c and ti also affect the eutectic point and a phase of al - si alloys

    另外,還發現c 、 ti加入后, al - si合金的共晶點及初生相也發生了變化。
  5. The result shows that all these system are simple eutectic, at the same time, the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ) on the basis of experimental research, through the improved one - parameter margules equation by introducing a new variable temperature, the improved equation was designed to compute solid - liquid equilibrium

    測定結果表明,這幾組體系均為簡單低共熔體系;同時利用差熱掃描量熱法( dsc )對上面各組體系低共熔點處的相變焓進行了測定。在實驗研究的基礎上,通過改進單參數margules方程並引入新的變量溫度,達到了將此方程用於固液平衡計算的目的。
  6. This article choosed out organic phase change materials, and, the solid - liquid - equilibrium of eleven binary system including fatty alcohol / fatty acid, n - octadecane / fatty acid, n - octadecane / fatty alcohol system were determined by cooling curve, and, t - x phase diagrams of these systems were drawn. the result shows that all these systems are simple eutectic, at the same time, the entropy of phase change of every system in the eutectic point is determined by using differential scanning calorimetry ( dsc ). and n - octadecane / fatty acid systems were calculated theoretically

    本文初選出部分有機相變貯能材料,採用步冷曲線法測定了12醇-羧酸系列、 18烷-羧酸系列、 18烷- 12醇體系共11組體系的二元固液相平衡關系,繪制了這11組體系的t - x相圖,測定結果表明,這幾組體系均為簡單低共熔體系;同時利用差熱掃描量熱法( dsc )對上面各組體系低共熔點處的相變焓進行了測定;並對18烷-羧酸系列進行了熱力學理論預測。
  7. The infinite solid insoluble phase diagram, i. e., the phase diagram with a eutectic point. the infinite liquid insoluble phase diagram, i. e., the phase diagram with a shared boiling point. all the phase diagrams we obtained are quite analogous to the behavior of the three - dimensional substances

    這些典型的相圖主要包括:無限相互溶解的「雪茄型」相圖和具有一個極值等濃度點相圖;完全不相互溶解的固液低共晶點的相圖和完全不相互溶解的低共沸點相圖等等。
  8. The s - l - e experiment data for the eight binary condensed systems of fatty alcohol / fatty acid were treated by using the improved equation, and the equation was examined with experimental data. at the same time, we used ideal model to predict the tenary s - l - e of n - octadecane / lauric acid / stearic acid system, and we got an accurate result of the simple eutectic temperature. the relative error is 0. 51 % comparing with the experimental result, so we will offer a method of prediction for quickly obtaining multicomponent system phase change materials this article calculated the pcms quantities and energy saving effect in theory, designed the experimental apparatus to measure the energy saving effect, and analyzed the temperature equalization action of the pcms by comparing experiment

    利用這種方法,建立了適合醇-羧酸等系列二元體系的單參數margules方程,本文對醇-羧酸系列等8個二元凝聚體系的單參數margules方程的參數進行回歸,並利用整個實驗數據對模型進行了檢驗,另外,本文利用理想狀態模型對一個三元體系18烷-月桂酸-硬酯酸相圖進行預測,通過與實驗數據進行比較,預測的低共熔溫度與實驗測定溫度較為吻合,其相對誤差為0 . 51 ,這將為快速獲取多元體系的相變材料提供預測方法。
  9. D. nwabunma, t. kyu, “ phase behavior, photopolymerization, and morphology development in mixtures of eutectic nematic liquid crystal and photocurable monomer ”, polymer. 42, 801 ( 2001 )

    劉光耀, 「光聚合高分子在微流體管道上的設計與製作」 ,國立成功大學,化學所碩士論文( 2004 )
  10. 0 x 10 " 3 and 264. 6mpa respectively. 6. the damping mechanism at ambient temperature is related to viscous motion of dislocation and interactions between dislocation with various point defects, the viscous sliding between the phase with rich zn and primary a dendrite crystals and the micro - plastic deformation of the soft phase in the eutectic

    6 ) azsm合金的室溫阻尼行為與組織中的溶質原子和位錯的交互作用以及位錯的粘性運動、富鋅相與基體之間的粘性滑移、以及共晶體中較軟相的西安理工大學碩士學位論文微塑性變形有關。
  11. The microstructure, structure, composition, phase of joint region, and the microstructure and composition of fracture have been analyzed using the equipment of metallurgical microscope, sem, eds, xrd and binary eutectic phase diagram for the al - cu system and diffusion theory

    利用金相顯微鏡、掃描電鏡、能譜儀、 x射線衍射分析儀,結合al - cu二元合金相圖及擴散理論,分析了接頭區域的形貌、組織、成分、相組成,以及斷口形貌、成分。
  12. The growth morphology of cu - cr eutectic are studied. during the process of eutectic growth, ( + ) growth is clinging to a phase. because cu - cr eutectic have very good coupling relation, the configuration of eutectic holds crystallography structure, and the influence of the direction of heat flow is not distinct

    2揭示了cu - cr共晶的生長形態,發現其在共晶生長過程中,共晶體( + )依附在相上生長; cu - cr因有較好的共格關系,其共晶形貌按照其結晶結構學特點生長,定向凝固下熱流的方向影響不顯著。
  13. The effect of solidification rate on the solidified structure, cooperation growth zone and microstructures such as tac rods volume fraction, tac rods average spacing, tac average transverse area and y phase in this eutectic composite were systematically investigated with lmc. the relationship between solidification processing controlling and solidification microstructure was established

    藉助金相技術、電鏡技術、圖象處理技術等多種分析測試手段,考察試樣的界面形態、組織特徵以及共晶形貌等多方面的凝固特性,建立了凝固過程式控制制與凝固組織的對應關系。
  14. That the alloying element mn and ti substitutes the atom of fe in the rich iron - phase ( al, si, fe ) and resumes the part of the element si in primary phase refines the second phase. at the same time, the volume percentage of second phase is increased. at the course of solidification, the alternating current field changes obviously the microstructure morphology of the al - 20si - 5fe - x alloy and the number of particle eutectic structure is increased

    合金元素mn 、 ti通過占據富鐵相( al , si , fe )中鐵原子的晶格位置,同時消耗部分初生相中的si元素,形成四元富鐵相( al , si , fe , mn ) ,細化了合金中的第二相,同時提高第二相體積百分數。
  15. Progress in numerical sinulation for eutectic solidificafion with multi - phase field method

    多相場法數值模擬共晶凝固研究進展
  16. The eutectic crystal al3fe often is " needle " shape or short line shape but the shape of primary crystal al3fe is relative to the adding amount of fe powder and the temperature of heat preservation stirring. while the adding amount of pure fe powder is few and the temperature of heat preservation stirring is higher than the temperature of liquidus of al - fe binary alloys equilibrium phase diagram, the reaction synthetical primary crystal al3fe exhibits short worm shape

    加入量少,保溫攪拌溫度在al - fe二元合金液相線以上,則形成的初晶al _ 3fe呈短蠕蟲狀; fe加入量大,保溫溫度在液相線以上,初晶al _ 3fe以平面方式生長,復合材料中的初晶al _ 3fe呈塊狀或粒狀,尺寸較大( 10 m以下) 。
  17. Because of the effect of sip porous skeleton, the primary si and the eutectic si were separated on the surface of sip porous skeleton under slow cooling conditions, and there were no typical eutectic microstructures in the al - alloys phase of the composites. 6

    處于si相顆粒間隙的過共晶al - si合金液在緩慢冷卻凝固時,初晶si和共晶si會附著在si多孔體骨架上析出,在最終的復合材料中沒有典型的al - si共晶組織。
  18. The result indicated that the two phases in eutectic had difficulty in growing regularly on condition that the floating zone melting rate was in the scope of 0 ~ 0. 3mm / min. the matrix phase was directional grown and the other phase was grown with no order

    結果表明,在區熔速率r = 0 0 . 3mm min范圍內兩相很難形成規則共晶,其中基體相定向生長,第二相混亂生長,彌散分佈於基體中。
  19. Influenced by the alternating current field, except that a little of eutectic iron - phase still is the acicular structure, the most of eutectic iron - phase of the al - 20si - 5fe - mn alloy is refined into tiny particles which is segregated

    Al - 20si - 5fe - xti合金通過交流電場作用,共晶組織全部呈細小的顆粒狀均勻分佈於- al基體上。
  20. This shows, on the course of growth, the directional ability of the primary ( cr ) phase is not manifest, and must influence the morphology and distribution of the a phase and eutectic, gravely breach the continuity of the base

    由此可見,初生相在其長大過程中,定向效果不明顯,這將影響相和共晶體的形貌和分佈,不利於獲得具有純cr纖維強化相。
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