研究了高鋁 的英文怎麼說

中文拼音 [yánjiūlēgāolǚ]
研究了高鋁 英文
baf
  • 研 : 研同 「硯」
  • 究 : Ⅰ動詞（仔細推求; 追查） study carefully; go into; investigate Ⅱ副詞[書面語] （到底; 究竟） actually; really; after all
  • 了 : 了助詞1. （用在動詞或形容詞后, 表示動作或變化已經完成） 2. （用在句子的末尾或句中停頓處, 表示變化, 表示出現新的情況, 表示催促或勸止）
  • 高 : Ⅰ形容詞1 （從下向上距離大; 離地面遠） tall; high 2 （在一般標準或平均程度之上; 等級在上的） above...
  • 鋁 : 名詞[化學] aluminium （13號元素, 符號al）
  • 研究 : 1. （探求） study; research 2. （考慮或商討） consider; discuss; deliberate
  1. Taking the andalusite from south africa and alumina fiber as raw materials, adding aluminum sulphate as binder, fabrication and properties of alumina fiber reinforced andalusite composite was studied through wet dispersion, mould pressing and sintering processes

    以紅柱石和氧化鋁纖維為原料，用硫酸鋁作為結合劑，經過分散、混合、半干法成型、高溫燒成工藝，對氧化鋁纖維增強紅柱石基復合材料的制備及性能進行了研究。
  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顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，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 alloyed self - propagating high - temperature synthesis technology has been investigated in this paper, by which ceramic lined compound pipes can be produced. after active carbon powder and alloy steel powder are added to the thermit, the self - propagating high - temperature synthesis reaction starts. the effect of carbon and alloy elements on the interlayer of the compound pipes has been studied

    本文研究了合金化自蔓延陶瓷內襯復合鋼管製造技術，即在鋁熱劑中加入活性碳粉或合金鋼粉末，進行自蔓延高溫合成反應，分析了碳和合金元素對復合鋼管過渡層的影響。
  4. Abstract : this article is about two series of borate and phosphate comprising seven directions. the experiment result shows that both of the two gl ass antioxidants can reduce apparent porosity ， raise oxidation resistance and th e crushing strenth after fire ， but lower refractoriness under load. phosphate glas s is superior to borate in refractoriness under load. which c an attain over 1600 ; so the phosphate glass is a d esirable antioxidant

    文摘:研究了硼酸鹽和磷酸鹽兩個系列七種配方的玻璃防氧化劑，實驗表明這兩種玻璃防氧化劑均可降低鋁鎂碳磚的氣孔率，提高鋁鎂碳磚的抗氧化能力及燒后的耐壓強度，但也不同程度地降低了鋁鎂磚的高溫荷重軟化變形溫度，其中磷酸鹽玻璃優于硼酸鹽玻璃，其高溫荷重軟化變形溫度可達到1600以上，仍是可取的防氧化劑
  5. The surface modification of foils contributes to the activation of surface before etching, and consequently provides more pit sites. the redemption and regeneration of passive film on foil surface lead to continuous growth of tunnels. anodized in oxide - forming acid, the etched foil shows higher capacitance

    侵蝕前鋁箔的表面改性處理研究了堿性、酸性溶液、直流電和低頻交流電對比容的影響，結果表明堿性溶液和酸性溶液處理有利於活化表面、提高比容；直流電和低頻交變電流表面改性需嚴格控制時間在5s內，最佳為2s ，可提高比容8 10 。
  6. In this thesis, a high - frequency variable polarity arc welding power supply was investigated, which consisted of two independent power sources, the variable polarity power supply and the high - frequency pulse one, having advantages both of them

    本文針對鋁合金焊接研製了一種新型電源，所研究的高頻變極性弧焊電源採用雙電源結構，由變極性電源和高頻脈沖電源組成，綜合了兩者的優點。
  7. It was found that more rolling passes lead to homogenous rolling deformation and benefit the formation of final cube texture

    並用三維取向分佈函數織構定量檢測和掃描電子顯微鏡觀察、研究了超薄型高壓陽極鋁箔的立方織構及其對腐蝕比電容的影響。
  8. The relationship of true stress and true strain for the mid - strength weldable 1420 aluminum - lithium alloy has been investigated in this thesis by high temperature compression testing and high temperature tensile testing on different hot deformation conditions. the interdependence of flow stress, strain rate, strain and deformation temperature for the alloy at high temperature has been studied

    本文通過高溫壓縮和高溫拉伸試驗，研究了中強可焊1420鋁鋰合金熱變形時不同變形條件下的應力-應變關系、變形條件對合金流變應力的影響；運用多元回歸分析方法，採用c語言編程確定了合金的本構關系方程；引入z參數，求解了部分材料常數，並用於材料的組織性能研究中。
  9. The constitutive equations were gained by regression analysis and some material constants were derived from that with the aid of om, x - ray, sem and tem, the deformation structure of the mid - strength weldable 1420aluminum - lithium alloy on different hot deformation conditions was studied and the soften mechanism was discussed. at the same time, the fracture behavior has been studied as an important part. the fracture mechanism of 1420 aluminum - lithium alloy was confirmed

    結合金相顯微鏡、 x -射線衍射、掃描電鏡、透射電鏡等現代化的試驗手段，研究了中強可焊1420鋁鋰合金熱變形不同變形條件下的組織變化及軟化機制，分析了不同變形條件對合金材料組織變化的影響，確定了合金材料的軟化行為機理；同時，結合合金材料的熱變形高溫拉伸試驗，重點研究了材料的斷裂行為，分析了合金材料的斷裂現象，探討了合金材料的斷裂機理。
  10. The characteristic of deformation microstructure at high temperatures for 7055 aluminum alloy have been studied. the condition of dynamic recovery and dynamic recrystallization took place in 7055 aluminum alloy had been explored

    研究了7055鋁合金高溫壓縮變形時的微觀組織演變特點，探明了7055鋁合金高溫塑性變形時發生動態回復及動態再結晶行為的條件。
  11. The results show that the a - phase - transformation of pure aach can be completed by heating at 1200 ? for two hours. but under this temperature, the alumina particles will be sintered together, which can lead to the formation of bough - like structures. and these bough - like structure will make the powder difficult to be dispersed

    接著對碳酸鋁銨進行了焙燒實驗，研究了其在升溫過程中的相變行為，結果表明：純aach在1200保溫1 . 5h的情況下才能100轉變為氧化鋁，而在這樣高的溫度下，粒子之間會形成燒結頸，從而使粉體產物在形貌上出現所謂「樹枝狀」結構，給粉體使用時的分散帶來了困難。
  12. The conclusions are drawn as following : 1. regularity of fabrication in aluminum matrix composite ring - shaped performs with large dimensions and effects of parameters were investigated, based on the novel crucible movable spray deposition technology and equipment. the optimal parameters are that the diameter of the delivery tube is 3. 8mm, spray gas pressure is 0. 8mpa, spray height is 200mm, and transferring pressure of sic is 0. 5mpa

    通過系統的實驗研究得到如下結論: 1 .基於新型的移動坩堝自動化控制噴射沉積環坯制備技術及裝置，研究了大尺寸鋁基復合材料環坯的制備規律，討論了噴射沉積工藝參數對沉積坯形成過程的影響，得到了最佳工藝參數:導流管直徑d = 3 . 8mm ，霧化氣體壓力p = 0 . 8mpa ，噴射高度h = 200mm ， sic顆粒輸送壓力p送= 0 . 5mpa 。
  13. 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 。
  14. The surface morphology and capacitance of aluminum nanoparticles were studied with lm - scm. the relationship between the contrast of the capacitance image and the lift height of the cantilever was analyzed and proved in experiments

    利用升高模式掃描電容顯微鏡lm - scm研究了金基底上鋁納米粒子的形貌和表面電容，分析了電容像的襯度與針尖的提升高度之間關系，並在實驗中得到了驗證。
  15. And the quality control system was developed for ddmbac. the coagulating property of ddmbac was discussed and the interaction model between ddmbac and colloidal particles was developed. the influence of ddmbac on coagulation using aluminum sulfate ( as ) or polyaluminum chloride ( pac ) was also investigated based on analytical method and interaction model

    本文探討了ddmbac對高嶺土顆粒的混凝除濁性能，提出了ddmbac與膠體顆粒間的相互作用機理模型;在已有的研究成果基礎上，分析研究了不同混凝條件下ddmbac對硫酸鋁、聚合氯化鋁混凝效果的影響規律和機理。
  16. The calcined kaolin, aluminium powders and aluminum sulfate were used as components of water - repellent agent, which effects on cement hydration and concrete impermeability were discussed in this paper

    本文以煅燒高嶺土、鋁粉、硫酸鋁作為防水劑的組份，研究了它們對水泥水化及混凝土的抗滲性的影響。
  17. In this paper, finite element software ansys is used to simulate the thermal conductivity and pressureless infiltration technique is used to produce aluminum infiltrated silicon carbide composite with high volume fraction of sic. the influence of interfacial thickness and temperature on thermal conductivity and cte have been investigated and analysed

    本文採用有限元軟體ansys對鋁滲碳化硅復合材料的有效熱導率進行了數值模擬，用無壓浸滲法制備了高體積分數的鋁滲碳化硅復合材料，研究了界面層厚度和溫度等對鋁滲碳化硅復合材料的熱導率和熱膨脹系數的影響，並進行了分析。
  18. In order to develop an environment - friendly method to form a chemical conversion film on aluminium surface without the toxic hexavalent chromium compounds, a process with sodium molybdate and potassium permanganate as the oxidants in the treating solution has been investigated

    摘要採用鉬酸鹽、高錳酸鹽作為成膜氧化劑，研究了鋁合金化學轉化膜的處理溶液，優化了溶液配方與工藝參數，在鋁合金表面制備出有良好耐蝕性的轉化膜。
  19. Secondly, a study of one kind of composite soil nailing, that is, a combination of soil nails with waterproof cement - soil mixing pile wall, was carried out by laboratory model test, the retaining structures were modeled according to a similarity rule that geometric length of the structure is in inverse proportion to deformation duration of the structure and the staged excavation and retaining was carried out during experiment to simulate actual construction procedures in situ

    其次，通過模型試驗研究了土釘與水泥土樁聯合支護型式的變形、破壞形態以及作用原理。試驗模型箱為無蓋六面箱體，內空凈尺寸長寬高為3 . 4m 1 . 0m 2 . 0m ，試驗填料為重塑土，土釘採用硬質鋁管。
  20. The influence of a rare earth oxide on the mechanical properties and high temperature strength of high al - zn base alloy was investigated and the microstructure and the fracture morphology was studied by sem

    摘要研究了稀土氧化物對高鋁鋅基合金的力學性能和高溫強度的影響，並利用掃描電鏡觀察了鋅鋁合金的顯微組織及斷口形貌。
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