碳化物相 的英文怎麼說

中文拼音 [tànhuàxiāng]
碳化物相 英文
carbide phase
  • : 名詞[化學] (非金屬元素) carbon (c)
  • : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • 碳化物 : carbide碳化物金屬陶瓷 carbide cermet; 碳化物耐火材料 carbide refractory; 碳化物陶瓷 carbide ceram...
  1. Based on the analyses on mechanical properties, microstructure and fracture of - the microalloyed steels socrv with various heat treatment technique, it can be affirmed that various fractures arttribute to various mechanism, we can draw conclusion that the strength and toughness of microalloyed steels 50crv will be increase simultaneously by optimal heat treatment technique. to illustrate the mechanism of the strength and toughness of microalloyed steels socrv, we designed the comparative experiment and observed the microstructure of the sample which occurred at different quench and tempering temperature and different tempering time. the last experiment results were determined by the four factors : fined microalloyed elements grains, the decompound of martensite, martensite transformation of remnant austenite and the second phase precipitation

    為解釋微合金50crv鋼強韌機理,本文通過對不同淬火溫度,回火溫度,回火時間下的力學性能指標的對比及顯微分析,認為微合金元素的細晶粒,馬氏體的回火分解,殘余奧氏體的轉變,第二的沉澱析出共同決定了微合金鋼的強韌情況,特別是由於微合金元素的存在,其細晶粒及其的沉澱析出,導致鋼的良好的強韌性,並且如果工藝滿足第二的沉澱析出強大於回火馬氏體分解引起的軟效應,會在硬度曲線中產生明顯的二次硬現象。
  2. The solid solutions all were supersaturated and metastable, and would dissolve each other with further milling, which was available for the achievement of multi - carbide composite

    球磨過程中,之間能夠互固溶,可以用於高能球磨製備及納米復合材料的研究制備多元復合材料。
  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: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,部分鎢顆粒有互接觸的現象,基材與復合層之間沒有明顯的過渡;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組成,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. The unstable solid solution would disintegrate and transform into carbide phases in these systems of sisocso, tisocso and zrsocso, based on the increase of free energy introduced by the effect mechanical alloying. for the system of wsocso, the solid solution had not transformed into tungsten carbides but an amorphous phase, which was different from those systems. the exist of fe in these experiments, which came from the abrasion of ball - milling tool because of the higher hardness of w and w - c solid solution, would induce the crystalline - to - amorphous phase transformation during milling

    C50球磨體系中,繼續球磨時,不穩定的固溶體在機械合金作用下,由於體系能量提高,會發生分解變,從而可以形成;對于w扣c50球磨體系, w ? c固溶體具有較高的硬度,磨削不銹鋼質的球磨介質和球磨容器,而引入雜質,其中fe會促使固溶體向非晶轉變。
  5. The results show that the solidification microstructure of high speed steel fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w ( wt ) contains of martensite, retained austenite structure, and mc, m6c, m2c carbides, and mc / m2c complex carbides by xrd, sem and metallographs. most of the mc carbides locate in the cell and other carbides distribute along the boundary of the cell

    結果表明:經金組織觀察、 x射線衍射和掃描電鏡分析, fe - 2 c - 4 v - 4 mo - 5 cr - x w合金系高速鋼凝固組織包含馬氏體基體、殘余奧氏體及各種類型的如mc型、 m _ 2c型、 m _ 6c型和mc m _ 2c類型復雜,大部分mc型分佈於晶粒內部,其它類型則沿晶界呈網狀分佈。
  6. Technical guide for carbide phase analysis of low alloy heat resistant steels

    低合金耐熱鋼碳化物相分析技術導則
  7. The experiments showed that wc and vc can dissolve mutually in the carbonizing reaction. when wc ' s content exceeds vc ' s, vc will dissolve into wc and make wc ' s crystal lattice bring aberrance and become wc1 - x, contrarily when vc ' s content exceeds wc ' s, wc will dissolve into vc and also make vc ' s crystal lattice bring aberrance. the surface cermet composite has high rigidity and well wear - resistance

    ( 7 )採用鑄造燒結技術,通過加入毗顆粒和v班一vc的原位放熱反應成功制取了陶瓷質量百分數超過60 %的表面金屬陶瓷材料,實驗證實wc與高溫反應生成的vc互可以很好的固溶,當wc的含量超過vc時, vc可以固溶到wc中,使wc的晶格發生畸變,成為昵卜: ,反之當vc的含量超過wc的含量時, wc可以固溶到vc中,也會造成vc的晶格畸變。
  8. 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原理和增強的形成機理;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學反應過程。
  9. Abstract : a new simulating method is established for the calcul ation of the hardness profile of high - carbon - concentration deep - carburization, on the basis of analyzing this process and taking into account the influence o f carbide solution and dissolution, carbon - concentration and temperature on the diffusion behavior, and the influence of the environment factor on carbon trans fer through the gas - solid interface

    文摘:在對高濃度深層滲的特點進行分析的基礎上,考慮到的析出與溶解、溫度及濃度對擴散行為的影響,氣氛環境對界面傳遞過程的影響,淬火烈度對滲層冷卻效果的影響,提出了一種新的模擬高濃度深層滲滲層硬度分佈的方法。
  10. According to the characters of transformations in solids, the ma process can be divided into three stages : physical fragment izing stage, diffusion and solid solution stage, and carbide forming stage

    根據變特點將fe - cr - c三元合金的機械合金過程分為三個階段:理粉碎階段、擴散固溶階段和析出階段。
  11. Carbides in high speed steel - quantitative phase analysis - method of x - ray diffractometer

    高速鋼中碳化物相的定量分析x射線衍射儀法
  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

    指出不同學成分和不同等溫溫度時貝氏體變產的組織形態不同,鐵素體是貝氏體中不可缺少的組成部分,以及的存在與否不是判斷貝氏體的必要依據。
  13. The microstructure observation in the microfissures suggests the liquation microcrack results from grain boundary liquation by constitutional liquation of mc carbides and formation of continuous and or semi - continuous low melting liquid films, however, the occurrence of the solid state microcracks can be attributed to the effect of ultrafast transit thermal shock introduced by high energy electron beam

    裂紋起源於mc的組份液而形成的晶界連續或半連續的低熔點共晶液膜,固裂紋形成的則是高能電子束流的快速瞬態熱沖擊效應的直接結果。
  14. The following results are achieved : ( 1 ) in accordance with the empirical electron theory of solids and molecules, considering the number of covalent bond pairs on the strongest bond in a segregation structure na, the elements for matrix - strengthening can be chosen. ( 2 ) on the basis of the available phase - equilibrium thermodynamics calculation of alloy system and phase diagrams, which have been worked out, the contents of alloy elements can be identified with reference to the types, quantity and phase - transformation of carbides. ( 3 ) both the values relating to toughness ( including bending strength, yield strength, impact value of unnotched samples ) and hardness of new dm9 die steel are higher than those of crl2mov die steel

    結果得出: ( 1 )根據固體與分子經驗電子理論,利用偏聚結構單元的最強共價鍵上的共用電子對數n _ a ,可以選擇工模具鋼基體的強元素; ( 2 )根據合金系平衡熱力學計算及已有的圖,可以類型、數量及其變確定合金元素含量; ( 3 )新型dm9鋼在強韌性(抗彎強度、屈服強度、無缺口沖擊值)和硬度方面均高於cr12mov鋼; ( 4 )以dm9鋼與6crw2si 、 7cr2wmovsi ( dm7 ) 、 h13和cr12mov四種模具鋼的實驗比較,進一步驗證了上述冷作模具鋼合金設計方案是合適的。
  15. The volume expansion played a major role in determining its magnetic properties. complicated magnetic phase transitions induced by external magnetic field were found in carbonization of lafe _ ( 11. 4 ) al _ ( 1. 6 ) compound with low carbon concentration. and the temperature of phase transition depends on magnetic field strongly

    同時發現,含量較低時, lafe _ ( 11 . 4 ) al _ ( 1 . 6 )在磁場誘導下呈現出有趣的復雜磁變,變溫度強烈依賴于外加磁場。
  16. Thirdly, the valence electron structure of ceramic multiphase in ti ( c, n ) based cermets were calculated by eet theory, the results showed that na increased with additions of carbides, the order was vc > mo2c > nbc > wc > tac. based on the valence electron structure, the relationship between composition and wettability was set up through multiple linear and polynomial regressions

    最後通過eet理論計算了多元陶瓷價電子結構,結果表明,添加不同均能導致n _ a增加,對價電子n _ a增加的效果由大到小依次為vc mo _ 2c nbc wc tac ;以價電子結構為橋梁,通過多元線性回歸及多項式回歸建立了成份與潤濕性的關系。
  17. 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形成的關系,以及的不同形式分枝與畸變。
  18. All the while, the research interest was focused on the formation of metal carbide powders and cemented carbides, and the analysis of ball - milling process had been neglected comparatively

    但是,一直以來,研究的重點主要集中在材料的合成和性能的提高上,而對忽略了對機械合金過程的分析。
  19. The unique crystalline structures and electronic properties of metal nitrides / carbides catalysts, their inherent relation with the catalytic properties, mechanisms for the catalytic hydrogenation over metal nitrides / carbides and their application in hydrodesulfurization ( hds ), hydrodenitrogenation ( hdn ) and other hydrogen - involving reactions were reviewed

    與傳統的過渡金屬硫比,過渡金屬氮/具有更加優異的氫吸附、活和轉移能力。
  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形成元素ti的影響結合。
分享友人