碳化鐵體 的英文怎麼說

中文拼音 [tànhuàtiětǐ]
碳化鐵體 英文
cementite
  • 碳 : 名詞[化學] （非金屬元素） carbon （c）
  • 鐵 : Ⅰ名詞1 （金屬元素） iron （fe） 2 （指刀槍等） arms; weapon 3 （姓氏） a surname Ⅱ形容詞1 （形容...
  • 體 : 體構詞成分。
  1. Study on cementite graphitization in cast iron at high temperature

    鑄鐵中滲碳體高溫石墨化研究
  2. In the specimen of low carbon, ferrite with low hardness and a little pearlite is found ; and the specimen of high carbon is made up of pearlite and various alloyed - carbide

    組織觀察表明，碳含量較低的試樣中主要是硬度不高的鐵素體以及少量的珠光體；而碳含量較高的試樣中則主要是珠光體以及各種合金碳化物。
  3. The particles distributed hi the matrix of grey cast iron, but some contact each other. the composite layer extend gradually into the substrate. when volume fraction of wc is 36 wt % and 27 wt %, the matrix of the composite is high chromium cast iron, consist of white carbide bars and the austenite. wc particles distributed uniformly, retaining approximately quondam granular form in the composite layer which has an evident interface area with the substrate, with good bonding strength

    對不同碳化鎢體積分數的灰鐵和低鉻鑄鐵基復合材料的微觀組織結構分析表明：碳化鎢體積分數為52時，復合層內基體為灰口鑄鐵組織，顆粒直接分佈在灰鐵基體上，部分碳化鎢顆粒有相互接觸的現象，基材與復合層之間沒有明顯的過渡；碳化鎢體積分數為36 、 27時，復合層內基體為高鉻鑄鐵，由面塊狀的奧氏體和白條狀碳化物組成，碳化鎢顆粒表面固溶於基體組織中，粒形基本保持完整，分佈均勻，與基體構成冶金結合，基材與復合層之間存在一個明顯的平緩過渡區。
  4. On the base of the analysis on the advanced technology of hard ferrite in foreign country, the main procedures of preparing hard ferrite pre - sintering material are determined as follows : first, the ferrite oxides coming from the main cold rolling line and strontium carbonate are conveyed to storage tank by gas power and weighed automatically according to the demands of constituent composition. and then they are mixed and grinded by using method of wet treatment. finally the mixtures is transported to the devices of storage by transporting pump

    在分析國外先進的永磁鐵氧體生產工藝的基礎上，確定了生產高檔永磁鐵氧體預燒料的主要過程：首先，利用攀鋼冷軋鐵紅為主要原料，將氧化鐵紅及碳酸鍶採用氣力輸送至貯料料倉，經自動稱量裝置，按工藝配方稱量後分別由氧化鐵紅及碳酸鍶發送罐氣力輸送進入預混攪拌筒加水攪拌，然後再送入混磨機濕法混磨；最後，混合物經輸送泵輸送至料漿存儲裝置，經定量進料泵定量輸送至回轉窯進行濕法預燒，預燒料經緩冷至室溫后，再球磨。
  5. The results show that the composites were more wear resistant than the matrix, contributing to the " volume effect " and " size effect ", the wear resistance increases with the particle content and size. the composite shows better wear resistance than high chromium cast iron material especially in low load and fine abrasive test condition. the results also indicate that the composite strengthened by ageing treatment was more wear resistant than as - cast composite

    磨損試驗結果表明，鑄造碳化鎢顆粒增強cu - ni - mn合金基復合材料具有比較高的抗磨料磨損能力，而且其耐磨性隨著鑄造碳化鎢顆粒體積分數及尺寸的增大而提高，表現出了強烈的「體積效應」及「尺寸效應」 ，尤其是在低載荷、細磨料磨損條件下，復合材料表現出更好的而寸磨性，即使與高鉻鑄鐵（ cr28 ）相比也有很大程度的提高。
  6. Based on the analysis about the influences of the mixing time, the penetration ratio of injected powder and the residence time of injected powder in the bath on the desulphurization process, a mathematical model which taken these three parameters into account was developed to simulate the desulphurization rate of hot metal by co - injection of magnesium - cac2 mixture, and the coupling effect between magnesium and cac2 was discussed

    在具體分析熔池均混時間、粉劑穿透比及粉劑停留時間這3個基本參數對脫硫過程影響的基礎上，建立了能體現這3個參數影響的模擬鐵水噴吹鎂粒和碳化鈣復合粉劑脫硫處理的數學模型，並討論了兩種粉劑在脫硫過程中的耦合效果。
  7. X - ray diffraction spectrum, empa methods and several tests including mechanical properties, electrochemistry, corrosion wear, on - site plate hanging, the microstructure of steel has been observed and analyzed, performance has been studied, and corrosion - abrasion, fragility mechanism, and microalloy application in ferritic stainless steel have been explored comprehensively. the test results of electrochemistry, corrosion wear and on - site plate hanging have been analyzed. the analytical result shows that crsomo has enough corrosion resistance in phosphoric acid slurry because it has high chromium and low carbon

    通過實驗室的電化學試驗、腐蝕磨損試驗和磷肥廠的現場掛片試驗結果分析，表明： cr30mo鐵素體不銹鋼高鉻低碳的配合，保證其在磷酸料漿中具有足夠的耐蝕性： cr30mo中（ fe ， cr ） _ 23c _ 6 、 （ fe ， cr ） _ 7c _ 3 、 mo _ 2c 、等碳化物硬質點從基體的彌散沉澱析出可提高鋼的硬度和耐磨性，使得鋼在磷酸料漿中具有良好的耐磨蝕效果。
  8. With carbon content increasing, the carbide network on the fertile grain boundary sprouting and propagating. the fracture mode has been changed from cleavage to along boundary and the intergranular corrosion induced by solution chromium decreasing

    隨碳含量提高，晶界上碳化物萌發、擴展呈網狀，鑄件脆斷由解理斷裂發展為沿晶斷裂，同時鐵素體不銹鋼晶間腐蝕傾向增大。
  9. Because of its excellent properties, such as high strength, high module, wear resisting, and etc., sicp was added to ferroalloy as a reinforce phase. but the intrinsic difference between the bonds led to poor fabrication of the composites. in this paper, the effects of alloying, sintering, and heat - treatment on the properties and microstructures of sicp / ferroalloy - based composites were studied, : it was found that sic particles reacted with ferroalloy when sintered in 1100

    碳化硅因其高強度、高模量、耐熱、耐磨等優良性能而被作為顆粒增強體來制備鐵基復合材料，但因其共價鍵與鐵基體的金屬鍵之間的本質區別導致兩者復合困難，本文擬從基體合金化、燒結及熱處理工藝等方面對鐵合金基復合材料組織與性能的影響進行考察，具體內容如下：加入fe - cu - c基體中的sicp顆粒， 1100燒結時就已經開始發生分解，但反應不強烈，在顆粒表面鍍鎳可以延緩基顆粒與基體之間的反應。
  10. The boundary of ferrite has been clarified and fined by adding re into crsomo. the intergranular corrosion induced by solution chromium decreasing can be restrained for nb, v, ti combing carbon in the steel. the wear resistance of stainless steel can be increased for the precipitation of microalloyed carbides

    其中，稀土能夠凈化鐵索體晶界，並起到變質劑的作用，細化鐵素體晶粒，改善不銹鋼的韌性；鈮、釩、鈦能夠與鋼中的碳結合，減少固溶鉻的損失，從而避免晶間腐蝕，同時細小微合金碳化物的沉澱析出可提高不銹鋼的耐磨性。
  11. Erosive resistance of grey cast iron matrix composite has been investigated, on the condition of different volume fraction of wc and erosive angles and volume fraction of. the results showed that, the erosive resistance of composite with volume fraction of 27 wt % was the best ; volume abrasion rate of composites with different erosive angles was maximum at 50 angle, but volume abrasion rate was less at 0 and 70 angle ; on condition of the same volume fraction of wc and larger size of quartz sand in slurry, volume abrasion rate increased

    結果表明：碳化鎢體積分數為27的灰鐵基復合材料的耐沖蝕磨損性能最佳；不同沖蝕角下復合材料的體積碳化鎢顆粒增強鐵基表面復合材料及其沖蝕磨損性能研究摘要磨損量在50 「沖蝕角處最大，在0 」和70 」沖蝕角處較小；在碳化鎢顆粒體積分數相同的情況下，當漿料中的石英砂粒度大時，其體積磨損量增大。
  12. It was pointed out that with different chemical composition and different iso - quenching temperature, the structure morphologies of the bainite transition products are different from each other, the ferrite is the indispensable constituent, and whether there is or not carbide existing is not the necessary criterion to discern the bainite

    指出不同化學成分和不同等溫溫度時貝氏體相變產物的組織形態不同，鐵素體是貝氏體中不可缺少的組成部分，以及碳化物的存在與否不是判斷貝氏體的必要依據。
  13. " floating catalyst " and " catalyst driven by gases " method can synthesize powder of carbon nanotubes on large scale. " vaporizing ferrocene " method can synthesize bulk carbon nanotube array. the production of the first method is 2000g / day, the second one is 500g / day and the third one is loog / day

    流化床法和催化劑氣動輸運法主要產物為納米碳管粉體，分別每天可以制備2000和500克粗產物；二茂鐵蒸發法制備的產物則是定向納米碳管塊體，每天可制備100克納米碳管陣列塊體。
  14. A vacuum carbonized furnace which manufactured to carbonize straw pole, a set of equipment which globe - grinded the carbonized straw pole were designed and prepared in this work. the furnaces were used to carbonize the smashed straw pole in the vacuum furnace first, and to grinded it in the globe - grinding machine. with the powder, woodceramics target and compound target were made to manufacture external metal - carbon wave - guide compound film series on columned ferrite surfaces

    在本論文工作中，自行設計與製造了制備碳化秸稈的真空碳化爐及粉碎球磨設備，用此設備把粉碎的秸稈先在真空碳化爐中進行碳化，碳化的秸稈粉再經過球磨設備球磨成細粉，用此細粉做成木質陶瓷靶和復合靶材在圓柱鋰鐵氧體表面鍍覆符合要求的表面金屬-碳系復合波導膜，並制備了木質陶瓷塗層導電膜。
  15. Under the conditions of low stress abrasion, eutectic composition is the optimal composition of high - cr white cast iron. the narrow intercarbide spacing is quite benefical to protect the austenitic matrix

    摘要低應力磨料磨損條件下，高鉻白口鑄鐵以共晶成分為宜，在細小的共晶組織中，碳化物間的短小空間對共晶奧氏體起到良好的保護作用。
  16. The reinforcing effect has been researched, with wc of 40 ~ 60 mesh dimension and 10 ~ 52 wt % volume fraction. the matrices were grey cast iron and low chromium cast iron

    復合材料中碳化鎢顆粒粒度為40 60目，體積分數范圍為10 52 ，基體材質分別選用了灰口鑄鐵和低鉻鑄鐵，研究了它們的復合效果。
  17. The result showed that, by adopting appropriate casting method, a good metallurgical combination between tungsten particles and hi - cr alloyed cast iron could be obtained

    結果表明，在適宜的鑄造工藝條件下，碳化鎢顆粒和高鉻鑄鐵基體之間可以形成良好的冶金結合，鑄滲效果較好。
  18. Abstract : the microstructure of as - cast high cr injection micro - alloying martensitic cast iron and the substructure of martensite in it have been observed under sem and tem. the alloying element distribution related to phase formation, as well as the various types of branch and distortion of carbide in the martensitic cast iron have been explored by using x - ray diffraction and electron probe analysis

    文摘:應用掃描電鏡和透射電鏡研究了噴射微合金化的鑄態馬氏體高鉻鑄鐵顯微組織及馬氏體的亞結構，並藉助x射線衍射與電子探針分析探討了合金元素的分佈與相形成的關系，以及碳化物的不同形式分枝與畸變。
  19. Carbon coat electrical film was made and was tested in stability. the process of sputtering micro - wave conduct wave - guide compound metal - carbon film series on columned ferrites which used compound target was studied. micro - wave conducting performance of film was measured, feasibility as the micro - wave conducting compound film series was proved

    本論文用碳化的秸稈為主原料制備了碳靶及復合靶；制備了碳基塗層導電膜，並進行了穩定性試驗；研究了復合靶材在圓柱鐵氧體基體上濺射微波傳輸金屬-碳系復合波導薄膜的工藝，測量了膜層的微波傳輸性能，證實了復合膜系作為微波傳輸波導膜的可行性。
  20. This dissertation aims at revealing the micro - mechanism of the rare earth ' s effects on improving the properties of iron - based diamo nd composites. in addition, to combine the investigation of the effects of rare earth with the effects of strong carbide - forming element ti, tih2, which has been widely used as a carbide - forming element, was also added to the iron - based matrix in order to evaluate its effects on the metal bond and diamond segments

    本文針對這些問題，利用稀土元素獨特的物理化學性能，研究稀土元素改善鐵基金剛石復合材料性能的微觀機制，並對作為強碳化物形成元素而廣為使用的tih _ 2在鐵基胎體及金剛石復合材料中的作用進行評價，把研究稀土元素的影響與強碳化物形成元素ti的影響相結合。
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