緻密燒結 的英文怎麼說

中文拼音 [zhìmìshāojiē]
緻密燒結 英文
dense sintering
  • 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
  • 燒 : Ⅰ動詞1 （使東西著火） burn 2 （加熱或接觸某些化學藥品、放射性物質等使物體起變化） cook; bake; hea...
  • 結 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  1. We also attainted mosi2 / sic composite by using melting mosi2 infiltrated sic body which shaped by sic powder. the result show that the diameters of sic particle and shaping methods have effect on the composite ' s microstructure and properties

    另外，嘗試了用mosi _ 2在2050下浸滲直接由sic粉體成型的坯體制備mosi _ 2 / sic復合材料。採用sic顆粒的級配有利於提高坯體密度，但是降低燒結體的緻密度。
  2. Mas precursor powders were uniaxially pressed at 100 mpa employing a lubricated steel cylindrical mold. after sintering at 1450 for 2 hours, single - phase cordierite ceramic is prepared, and its relative density is 95. 1 %

    Mas先驅體粉末在100mpa的軸向壓力下成型后，經1450無壓燒結2小時，得到單相堇青石陶瓷，其緻密度達95 . 1 。
  3. The formation of new phase such as mullite and gahnite by solid - phase reaction in multiphase materials can benefit the sintering of materials at 1700, decreased apparent porosity to less than 5 %. reducing atmosphere inhibited the synthesis of mullite and gahnite, played a negative role in the densification of multiphase materials

    固相反應生成的鋅鋁尖晶石和莫來石具有較高的活性，使復相材料在1700燒后顯示出更好的燒結性能，其顯氣孔率降低到5以下；還原性氣氛阻礙了莫來石和鋅鋁尖晶石的生成，不利於復相材料的燒結和緻密化。
  4. Study on the synthesis of corundum - mullite - gahnite multiphase materials by one - step sintering process using high purity raw materials showed that the more the content of gahnite in multiphase materials, the high the volume expansion would be introduced in the system, which resulted in the sintering difficulty of the multiphase materials. while the content of gahnite was controlled about 30wt % and the content of mullite was about 70wt %, the densified multiphase materials can be obtained after fired at 1600 or 1700

    採用高純原料一步合成剛玉?莫來石?鋅鋁尖晶石復相材料研究表明：復相材料中鋅鋁尖晶石含量越高，則合成鋅鋁尖晶石時產生的體積膨脹越大，燒結性也就越差；當鋅鋁尖晶石含量為30wt ，莫來石含量較高為70wt左右時，在1600或1700燒后都能得到顯微結構較為緻密的復相材料。
  5. W - cu composites prepared from the precipitation w - cu powder have higher sintered density, better mechanical and physical property, more homogeneous and finer microstructure than those prepared from w - cu powder by the balling - reduction method. in chapter 5, a combination of homogeneous precipitation and ball - milling process, namely the mechano - thermochemical process was employed to prepare ultra - fine w - cu powder

    其中，球磨w一cu復合粉（ hp一m ）壓坯在1150下燒結30min后，可獲得相對密度大於99 %的幾乎全緻密的超細晶粒w一cu復合材料， w的顆粒度小於0 . 5林m 。
  6. Abstract : basic stuff of sinter flyash ceramisite is flyash and clay as agglomerant. the si nter flyash ceramisite is of dense in structure, low porosity which can improve t he mechanical properties of the material. it has properties such as high strong a nd low absorption of water and better stability. it is a new type ofbuliding mate rial

    文摘:燒結型粉煤灰陶粒的主要原料是粉煤灰和作為粘結劑的粘土，文中所述燒結粉煤灰陶粒結構緻密，孔隙率低，能較好地改善了材料的力學性能，具有高強、吸水率低、穩定性好等特點，是一種新型建築材料
  7. The influence of burning system on the properties and structure of the ceramic capacitors has been studied under the certain temperature system, the optimum sintering temperature of the ceramics was primarily decided by the content of bi2o3 ? 3tio2. the sintering temperature dropped with the adding of bi2o3 ? 3tio2. at the range of suitable sintering temperature, slow heating and low temperature sintering can obtain fine grain and dense structure. it results in the improving of the breakdown voltage for the middle - high voltage ceramic capacitors

    研究了燒成工藝制度對電容器陶瓷性能和結構的影響，結果表明：在一定的升溫保溫時間下，瓷料的最佳燒結溫度主要取決于組成中bi _ 2o _ 3 ? 3tio _ 2的含量， bi _ 2o _ 3 ? 3tio _ 2含量的增加將降低燒結溫度；在合理的燒結溫度范圍內，慢速升溫和低溫燒結將有利於得到細晶緻密結構，從而改善中高壓陶瓷電容器的耐壓強度。
  8. But it also includes two fatal disadvantages : first, at is difficult to be sintered and its density is low, which causes its lower strength ; second, in the temperature range of 1023 - 15 73 k, at can decompose into al2o3 and tio2 easily, which can cause the stress concentrated and raise the heat expansion rate

    但是該材料本身存在的兩大致命的缺點，在很大程度上限制了它的廣泛應用： （ 1 ） 、鈦酸鋁難以燒結，燒結體的緻密度低，因而強度不高； （ 2 ） 、在750 1300的溫度范圍內易分解成氧化鋁和二氧化鈦，造成材料內部應力集中，並使材料的熱膨脹率升高。
  9. Combining the characteristic of the fabrication of fgm by particle co - sedimentation, the densification of fgm has been designed from three aspects : the densification mechanism, the correlative parameters of the additives and the sintering schedule. subsequently, the densification of the w - mo - ti system composites has been investigated

    結合共沉降法制備功能梯度材料的特點，從緻密化的機理選擇，燒結劑種類、含量和粒度的確定，燒結機制的確定等三個方面對其緻密化思路進行了設計，並對論文選用的w - mo - ti體系的復合材料的緻密化進行了初步研究。
  10. In this paper, nanosized al2o3 ceramic particles were chose as reinforcing phase. enhanced with ultrasonic wave the particles were covered with copper using method by electroless plating, the copper - matrix composite was developed by hot - press sintering process of the composite powder. the composition, microstructure, hardness, density and dry sliding wear property of the new material have been studied

    研究路線為：選用納米級al _ 2o _ 3陶瓷顆粒作為增強相，在超聲波的環境中用化學鍍的方法完成對納米al _ 2o _ 3陶瓷顆粒表面的金屬銅包覆，採用熱壓燒結成型技術以復合粉末為原料制備成納米al _ 2o _ 3陶瓷顆粒增強銅基復合材料，研究分析復合材料的成分、組織結構、硬度以及緻密度，對試樣進行了干滑動摩擦磨損實驗。
  11. Based on nanometer powders, cajc cvbased oxides were synthesized by constant sintering, cold isostate pressure and hot pressure methods. it can be found that sintering methods have a great influence on thermoelectric performances : the sample synthesized by hot pressure method is most dense and has the best thermoelectric performances. the microstructures and thermoelectric properties of cascog - based oxides doped by four dopants have been investigated

    採用不同的后續工藝制備最終的熱電材料，研究不同工藝對熱電性能的影響發現：熱壓燒結制備出的熱電材料最緻密，其熱電性能也最好；先冷等靜壓成型后常壓燒結方法次之；直接常壓燒結法燒出的樣品氣孔最多，性能也最差。
  12. Advanced technical ceramics - methods of test for ceramic powders - determination of the densification on natural sintering

    高技術陶瓷.陶瓷粉試驗方法.自然燒結的緻密化測定
  13. This is because nano - silica can accelerate the sintering process and promote the densification of corundum castble

    這是由於納米二氧化矽能夠促進剛玉澆注料的燒結，使結構緻密化所致。
  14. The experimental data has been used to validate pdm and low temperature sintering mechanics. the advantage and disadvantage of pdm have been discussed also. for the first time, the pdm is used to study the low temperature sintering mechanics of uo _ 2, and the research results indicate : 1

    3 、基於燒結頸長大速率與緻密化動力學方程得出，影響二氧化鈾低溫燒結的因素有原始粉末粒徑、粉末堆積方式、坯塊原始密度、燒結溫度、燒結時間、燒結氣氛等;粉末壓坯一定時，燒結溫度、燒結時間和燒結氣氛就成為控制低溫燒結的關鍵因素。
  15. The results show that the fine sintering will be gained in the reasonable laser technical parameter, which can improve densenses and wear resistance, inaugurate a new technique of manufacture diamond tools

    結果表明，在合適的激光工藝參數下可以得到組織結構良好的金剛石微粉壓坯燒結體，顯著提高燒結體的緻密性和耐磨性，開辟了一種金剛石工具製造的新工藝。
  16. Microstructure of the composite layer was analyzed with help of optical microscope, scanning electronic microscope ( sem ), electronic probe microanalysis ( epma ) and x - ray diffraction ( xrd ). the compacting of the billet and the forming mechanism of the carbide reinforcement were studied based on thermodynamics and kinetics of reaction, sintering theory and the result of dta. at the same time, the wear - resistance of the composite layer was studied under condition of dry sliding friction

    利用光學顯微鏡、掃描電子顯微鏡、電子探針以及x -射線衍射儀，分析了表面復合層的基體組織結構；運用反應熱力學、動力學、粉末燒結理論和燃燒合成理論，結合差熱分析結果，探討了表面復合層壓坯的燒結緻密化原理和碳化物增強相的形成機理；利用坯塊在真空燒結爐不同溫度下的燒結出來的顯微組織分析，模擬出坯塊的燒結過程中的化學反應過程。
  17. The x - ray diffraction, scanning electronic microscope and the squid were used to characterize the properties of the mgb2 core in mgb2 / fe tapes and wires. the effect of the proportion of mg, b and sic as well as the sintering parameters on the phase formation, microstructure and the critical current densities of mgb2 / fe tapes and wires was discussed in details. the results showed that the high purity of mgb2 core could be synthesized by both the traditional vacuum sintering and the sparking plasma sintering and the vacuum sintering environment restrained the oxidation of mg effectively

    相對于傳統真空燒結， sps燒結方式成相速度快、樣品晶粒細小均勻、 mgb2超導芯緻密性好、晶間連接優良，因而sps燒結樣品的臨界電流密度明顯高於傳統真空燒結樣品，其中未摻雜的帶材樣品經過sps800 ， 15分鐘燒結后，自場下的臨界電流密度jc值在10k時達到8 . 64 105a / cm2 ，而且隨著測量溫度和外加磁場的增加， sps燒結樣品的臨界電流密度下降率比傳統真空燒結樣品緩慢，在20k ，自場時為5 . 97 105a / cm2 ， 20k ， 3t時，臨界電流密度值仍大於104a / cm2 。
  18. Otherwise, sic can strengthen the samples by its pinpoint effect. the results also showed that the hardness of samples rise with the increase of sic, but the densities decline

    Sic的加入，增大了（ zro2 ） al2o3復合材料的硬度，但降低了材料的燒結活性，使燒結體的緻密度下降，材料的強度和韌性也有所下降。
  19. The analysis of microstructure of samples showed that the grain of tio2 were very small under 700, the distance of grain became small with temperature increasing, the rate and size of pore was decreasing. the relative density of sample at 900 was 97 % and the grain size of sintered body was about 200nm. when the temperature exceeded 1100, the grain size of body grew up several times ( > 2 m )

    Tio _ 2燒結體sem顯微形貌分析表明：低溫（ 700 ）時坯體內顆粒無明顯長大，燒結體緻密度不高（ 80 ）晶粒間距隨溫度升高而變小，氣孔率也隨之降低，氣孔尺寸變小；當溫度超過900時，晶粒間連接緊密，燒結體內出現大量絮狀物質，緻密度大幅度提高，達97以上，小氣孔已聚集成大孔洞且分佈均勻，晶粒長大不明顯（ 200nm左右） ；當溫度超過1100時，燒結體緻密度有所提高，但晶粒尺寸出現異常長大，長大了十幾倍（達2 m以上） 。
  20. Impermeable sintered metal materials and hardmetals - determination of density

    緻密燒結金屬材料與硬質合金密度測定方法
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