活化燒結 的英文怎麼說

中文拼音 [huóhuàshāojiē]
活化燒結 英文
activated sintering
  • 活 : Ⅰ動詞1 （生存; 有生命） live 2 [書面語]（救活） save （the life of a person）:活人無算 （of a goo...
  • 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）
  • 活化 : [化學] activation radioactivation; activate活化處理 activating treatment; 活化分析 [核物理] activ...
  1. 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。
  2. The raw materials, the composition, the time of milling, the calcining temperature, the different additives, the sintering temperature and the sintering parameters were investigated. the result showed : it was advantaged to obtain high initial permeability mnzn ferrite with stable frequency characteristic using high - purity raw materials ; in order to obtain mnzn ferrite with high properties, we must control strictly the composition ; it could improve the properties of mnzn ferrite by optimizing calcining temperature. the lower calcining temperature made the permeability higher, and the higher calcining temperature could promote the frequency characteristic of permeability ; we chosen the right time of milling according to the requirement of power diameter ; in order to improve the properties of mnzn ferrite, it is necessary to add effective additives. in this dissertation, the influence of bi2o3 、 moo3 、 k2co3 、 co2o3 were investigated ; the sintering temperature, the time of heat - retaining and sintering parameters were the key factors of preparing high permeability mnzn ferrites

    研究結果表明:採用高純度的fe2o3有利於獲得高起始磁導率且頻率特性優良的鐵氧體;為了制備所需性能的鐵氧體，需要嚴格控制配方中各種原材料的含量，優化配方;由於粉體活性受預燒條件的影響，所以對不同要求的鐵氧體選擇的預燒條件就不一樣，適當降低預燒溫度有利於獲得較高的起始磁導率，而為了獲得良好的頻率特性可以適當地提高預燒溫度;根據對粉體顆粒粒徑的不同需求，可以選擇不同的球磨時間;而有效的添加劑是改善材料性能的必要條件，本文在添加劑的研究中主要對bi2o3 、 moo3 、 k2co3 、 co2o3的影響分別作了詳細地討論;燒結溫度、保溫時間和燒結氣氛是高磁導率mnzn鐵氧體制備最關鍵的工藝，適宜的燒結工藝可以獲得理想微結構和組成，從而得到高性能的鐵氧體材料;而從材料的微結構上來看，要提高材料的截止頻率，就要適當地細化晶粒、增加晶粒內部的氣孔。
  3. Pulse electric current heat treatment ( pecht ) developed by sodick, ltd., of japan, is a recently developed material processing method which consists of spark plasma sintering and welding, plasma activated sintering and welding, big pulse electric current ( bpec ) diffusion welding etc. the following are basic merits of pecht : rapid heating and cooling ; short sintering or welding time ; lowering sintering or welding temperature

    脈沖電流熱加工（ pulseelectriccurrentheattreatment ，比如燒結，焊接等）是九十年代發展起來的一種材料快速制備新技術，它包括放電等離子燒結與焊接、等離子活化燒結與焊接、脈沖大電流擴散焊接等。它具有升溫、降溫速度快、能在較低的溫度下燒結或焊接以及時間短的特點。
  4. The ni - cu solid solution has the same function as ni and cu additives to promote the densification of w - mo - ti system composites

    Ni - cu固溶體顯示出與ni 、 cu燒結劑同樣的活化燒結作用。
  5. However, iron powder is liable to oxidation, which will reduce the surface activities of the powder and hinder the sintering process

    但是鐵粉很容易氧化，粉末表面活性降低，妨礙燒結過程的充分進行，使實際燒結過程難以達到理想的燒結程度。
  6. Then the dehydrated and baked mixing material was calcined at 1280 to completely decompose the hydroxide in the mixing material and get powder of good sintering activity

    混合料脫水烘乾后在1280下進行煅燒，使混合料中所含氫氧化物完全分解，得到燒結活性好的粉料。
  7. But there is a few findings in the study of low temperature sintering, which cries for more efforts putting into the mechanical study of low temperature, to find a method for technology promoting and enrich the known activation sintering theory

    然而國內外在低溫燒結機理方面的成果乏善可陳，這就迫切需要加大對低溫燒結機理研究的力度，為工藝提升找到一條路，並且豐富已知的活化燒結理論。
  8. The influence of nano - al2o3 on the sintering and the properties of the si3n4 ceramics was researched in this paper. the samples with different amount of nano - al2o3 were obtained by using pressureless sintering at 1600, 1650, 1700 in the nitrogen atmosphere. the microstructure and the composition of the ceramics were determined by the means of x - ray, sem, micro - hardness meter etc. it is show that the sisty ceramics can be densified at 1650c to % percent of the theory density through the addition of nano - al2o3 ( the value could be 90 percent by other technique ). the crystalline growth of the cylindrical - si3n4 and the ratio of its longitude to its diameter are increased with the addition of nano - al2o3. a uniform microstructure and an fined crystal as well as more sialon phases can be obtained in the si3n4 ceramics through the addition of that

    實驗結果表明：在碳管爐中、氮氣保護下進行燒結，添加劑為納米al _ 2o _ 3粉末時，由於納米粉末的高活性、高燒結驅動力，在1650就可使si _ 3n _ 4完全地燒結，並使其緻密度可達理論密度的96以上（比其它工藝高6左右） ；同時，納米al _ 2o _ 3地加入大大促進了長柱狀? si _ 3n _ 4的生長和發育及柱狀晶長徑比的提高，使微觀結構均勻、細化，形成了更多力學性能優異的固體? sialon相，減少了不利於陶瓷材料性能的晶間玻璃相，凈化了晶界。
  9. Powder metallurgical materials and products - methods of testing sintered metal materials and products, excluding hardmetals - preparation of samples for chemical analysis for determination of carbon content

    粉末冶金材料和製品.第3部分:燒結金屬材料和製品不包活硬質合金試驗方法.第3節:測定碳含量用化學分析樣品制備
  10. Both of the two ways can reach fb5b standard of tdk company. the coercive force of strontium permagnetferrite can be improved when a12o3 or cr2o3 was added to caco3 - sio2 or caco3 - hbo3 multi - additives. ( 4 ) comparing with normal caco3 and sio2, the nano caco3 and sio2 improve the magnetic. for the nano caco3 and sio2 have high chemical activations and excellent distribution, the density of permagnetferrite can be improved and the sinter temperature of it can be reduced

    納米caco _ 3 、 sio _ 2與普通caco _ 3 、 sio _ 2加入相比，鍶鐵氧體永磁獲得的最佳磁性能高，獲得最佳磁性能的添加量范圍變寬，即納米caco _ 3 、 sio _ 2提高了磁性能的穩定性，有利於大生產時鍶鐵氧體永磁的磁性能的穩定，對生產有重要的指導四川大學碩士論文意義;由於納米caco3 、 510 :分佈更均勻，具有高的化學活性，降低了銘鐵氧體永磁的最佳燒結溫度，提高了銘鐵氧體永磁的燒結密度，因而增大了caco3 、 510 :添加劑對銘鐵氧體永磁的改性效果。
  11. Sulfur dioxide, emitted by the industrial production and domestic burning fuel, and nitrogen oxides, emitted by the car exhausts and burning petrol are absorbed by the rain, forming larger raindrops, and falling on the ground. this is called acid rain. the main fuel in china is coal, which emits mainly sulfur dioxide, so the acid rain in china is sulfuric acid type of acid rain

    工業生產民用生活燃燒煤炭排放出來的二氧化硫，燃燒石油以及汽車尾氣排放出來的氮氧化物，經過雲內成雨過程，即水氣凝結在硫酸根硝酸根等凝結核上，發生液相氧化反應，形成硫酸雨滴在下降過程中不斷合併吸附沖刷其它含酸雨滴和含酸氣體，形成較大雨滴，最後降落在地面上，形成了酸雨。
  12. In order to overcome the influence of the technology factor in active molybdenum - manganese metallization, the formulation, raw material treatment, painting method and sintering process are improved in alumina ceramics metallization, which can raise the technique level, product quality and uniform

    摘要針對影響氧化鋁陶瓷活化鉬錳法金屬化的工藝因素，在配方、原料處理、塗敷方式、燒結等方面進行改進，提高工藝水平，保證質量穩定性、一致性。
  13. Therefore, the study deashed coal, in addition to being from minerals except coal physical structure, chemical structure, soluble ion content have undergone significant changes in contrast to the ash from coal combustion or after gasification reactivity, without these changes, concludes the reliability is suspect

    因此，在研究煤粉脫灰處理后，除了礦物質被脫除外，煤粉物理結構、化學結構、可溶離子含量都發生了很大變化，在對比脫灰前後煤粉燃燒或氣化反應活性時，如果沒有考慮這些變化，得出結論的可靠性是令人懷疑的。
  14. New technique and application of plasma activated sintering

    等離子活化燒結新技術及應用
  15. Characters of the pyrolysis chars and residual carbons such as reactivity, turbostratic carbon structure and specific surface area have been examined by thermal gravimetric analysis, powder x - ray diffraction and mercury intrusion methods respectively. catalytic effect of minerals has been identified

    高溫下不同煤質焦碳結構趨於一致和礦物質催化作用的失去在一定程度上證明了假定活化能不隨煤質變化的煤焦燃燒反應動力學通用規律的合理性。
  16. With the increase of temperature, chars from low rank coals deactivate quickly and significantly. through a strict and systematic analysis, char deactivation has been found to be due to the combined effect of the ordering of turbostratic carbon structure and the loss of catalytic effect of minerals during pyrolysis or combustion process

    但當煤顆粒在中低溫下燃燒時，由不同煤質形成的焦碳的亂層碳結構的差別較大，煤中的礦物質所起的催化作用可能很不一樣，因而導致不同煤質的焦碳燃燒反應活化能有較大差別。
  17. 5 percent additional between the mo - cu sinter with ni nh4cl activator and the mo - cu sinter without n nh4cl activator, and the ni activator had the better influence than the nh1

    添加活化劑的mo - cu燒結體比未加活化劑的燒結體相對密度一般高0 . 5 1 . 5個百分點。
  18. The influence of the activation ni nh4c1 to the mo - cu sinter was studied. the result showed that the ni nh4cl enhanced the sinter progress and heighten the density of the mo - cu alloy. there was 0

    本文研究了ni 、 nh _ 4cl活化劑的加入對mo - cu合金緻密化的影響，研究結果表明， ni 、 nh _ 4cl的加入促進了合金燒結和緻密化。
  19. Ultrafine nickel powders have been used as catalysts, magnetic materials, sintered activators, electroconductive sizing materials, hard metal adhesives, etc. the research on ultrafine nickel powder is a topic of general interest in the new materials fields at present

    超細鎳粉在催化劑、磁性材料、燒結活化劑、導電漿料、電池材料、硬質合金粘結劑等方面具有廣闊的應用前景，已成為國內外新材料研究開發的熱點之一。
  20. Advances in research on low temperature activated sintering technology of pzt piezoelectric ceramics

    壓電陶瓷低溫活化燒結的研究進展
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