燒結界面 的英文怎麼說

中文拼音 [shāojiējièmiàn]
燒結界面 英文
sintered interface
  • : 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...
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • 界面 : [物理化學] interface; boundary; limiting surface
  1. 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,合其力學性能、掃描電鏡和微區能譜分析果,分析了sic _ p al復合材料的真空過程中的現象,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。
  2. The age hardening characteristic of as - cast cu20ni20mn and cu20ni35mn alloys and the interface characteristic between the alloy and cast tungsten carbide were studied, and on the basis of this study, composites of cu - ni - mn alloy reinforced with different volume fraction ( 0 - 45vol. % ) and different size ( 42 - 362 m ) of cast tungsten carbide particles were made by vacuum hot - pressing liquid sintering technology. pin on disk two body abrasion tests have been performed with different size of sic abrasive under different loads

    本文研究了鑄態cu20ni20mn和cu20ni35mn合金的時效硬化特性及其與鑄造碳化鎢的特性,並在此基礎上以不同尺寸( 42 362 m )的鑄造碳化鎢顆粒為增強體,採用真空熱壓液相技術制備了不同顆粒含量( 0 45vol . )的鑄造碳化鎢顆粒增強cu - ni - mn合金基復合材料;以不同粒度的sic為磨料,在不同載荷條件下利用銷?盤磨損試驗機測試了復合材料的二體磨料磨損性能。
  3. The questions the researcher concerned are which system will be chosen and how to obtain the good lithium ionic conductor materials, which is the basic departure of the paper. the addition of second phase in composite can change the interface structure and the conduction mechanism, improve the matrix conductivity and other function such as the sintering, crisping and so on, so the research of composites are an interesting field of the ionic conductors. the synthesis of lithium ionic conductor is often by solid state reaction, but this method needs high temperature and leads to the volatility of lithium which not only causes the drift of the compounds but gets the no well - distributed materials

    研究者所關注的問題是選擇新的體系進行研究,以期得到性能更好的鋰離子導體材料,這也正是本論文的基本出發點;復合離子導體中第二相的加入改善了基質的構和導電機制,不僅可以提高基質材料的電導率,還可以在一定程度上改善材料的其它性能,如性能、脆性和機械強度等。因此復合材料的研究是離子導體一個有廣闊前景的發展方向;合成鋰離子導體,特別是成分復雜的體系以傳統的固相合成法為主,但這種方法需要較高的溫度,容易引起鋰的揮發,從而造成產物組成的偏移,而且不易得到顯微構均勻的材料。
  4. The microwave magnetic sintering can not only lower the sintering temperature and shorten the sintering time, but also decrease the micro - grain size of magnets and make intergranular phase and grain boundary of main phase distributed well. the abnormal grain growth was found in conventional sintered ndfeb magnets, which may be due to the greater particle size and uneven distribution of powder, and higher sintering temperature and longer sintering time. of course, the abnormal grain growth would deteriorate the magnetic properties

    微波磁場的不但降低溫度,縮短時間,而且使磁體整體加熱,受熱更均勻,因而磁體晶粒更細小,並且主相晶粒邊趨于規則化,晶間相的分佈更均勻;在常規的磁體中則出現了晶粒異常長大現象,造成這一現象的原因,一方可能是溫度過高或時間過長,另一方可能是磨製的粉體均勻性較差,存在的大顆粒被許多細小顆粒包圍,在過程中,大顆粒不斷吞併小顆粒,逐漸長大,而異常長大的晶粒自然會導致磁體性能的惡化。
  5. U xl dcs is a powerful and competitive system with easy extension, perfect control, convenient data dealing, concentrated operation, friendly interface, simple and canonical installation, expedient debugging and safe and reliable running. by system configuration and software development for control, all important parameters in sintering process are stabilized and key procedures such like mineral blending and watering are insured for stability and precision

    Xl集散控制系統具有通用性強、控制功能完善、數據處理方便、顯示操作集中、人機友好、安裝簡單規范、調試方便、運行安全可靠的特點,經過系統配置和控制軟體編制,有效實現了過程的主要參數穩定化控制,確保了混合配礦、濕度控制加水等關鍵工藝過程的穩定性和控制精度。
  6. These studies have shown significant results : to protect wollastonite ' s crystal structure, we can forge and then cool it before fining ; adopting mechanochemical modification by jet mill, we can make wollasonite to fine and modification at the same time ; in order to understand thoroughly the major results achieved in enhancement of mechanical capabilities of the polypropyl ene filled with the modified wollastonite, this paper has researched deeply the interface mechanism through combining experiments and measure means with theory analysis, and tried to give a further explanation and demonstration about improving of the macroscopic mechanics performances of composite material and to offer a theoretical basis for improving material ' s mechanical properties

    特別是採用粉碎前對硅灰石煅空冷處理的方式,獲得了超細化程度更高、長徑比更大的硅灰石;利用機械力化學改性及超音速氣流粉碎技術,使硅灰石粉碎?改性同時完成;應用現代測試手段,合實驗對微觀形貌、構及其機理進行研究,進一步解釋與論證了復合材料的宏觀力學性能,為改善復合材料的綜合性能提供了理論基礎。這些方的研究在同類研究中具有一定的創新性。
  7. This new method has the capability of calculating complicated 3d grain burning surface. dealing with evolving interface of complicated material and topology change ( splitting. breaking. merging ), based on level set method and burning surface process law. this technique can get accurate area of burning surface each moment and data of geometrical structure that provide access to examination of grain change in the srm working process. 2

    合固體火箭發動機燃推移規律,在等值函數法基礎上開發的裝藥燃演算法能夠成功計算任意復雜三維裝藥燃,並且具有處理復雜物質邊及其拓撲構發生變化(如分裂、破碎、合併)的能力,能夠準確計算出發動機工作過程中各個時刻裝藥的燃積,同時輸出裝藥幾何構形數據直觀地觀察裝藥的變化情況; 2
  8. It was found that there was a close relationship between the adhesion strength of the bg coating and the surface roughness of the titanium alloy and the firing temperature. the chemical state of the elements ti and si at the coating interface varied. the chemical bond and the mechanical occluding make the bg coating form a strong adhesion with the titanium alloy

    通過研究發現, bg塗層與基體的合強度與基體表的粗糙度以及成溫度密切相關,塗層處ti元素和si元素的化學狀態發生了變化, bg與基體強合的機制為化學鍵和機械嵌合兩種力共同作用。
  9. The results showed that the interfaces strengthen between sic particles and aluminum would be improved by the interface reaction between them. the fracture of this composite would occur mainly in al matrix

    研究果表明:真空過程中出現了反應,改善了合強度,斷裂破壞主要在al基體上進行。
  10. Level set method was used in this paper to attain burning surface variety regulation of arbitrary configuration grain by tracing interface of grain surface burnback. the work of this thesis can be summaried as follow : 1

    本文運用等值函數法( levelset ) ,追蹤固體推進劑燃的變化,從而獲得了任意構型裝藥的燃變化規律,本文的主要工作及創新點概括如下: 1
  11. In this paper, firstly, monolithic materials cosb3 and bi2te3 were prepared by sparkle plasma sintering ( sps ) respectively, and at the same time the microstructure of cosb3 and bi2te3 were studied by sem ; the seebeck coefficients and electrical conductivities of monolithic materials were measured by standard - four - probe method ( ulvac zem - 700 ) in a he atmosphere simultaneously, and their thermal conductivities were investigated by laser flash method ( tc - 7000 ) in vacuum. secondly, the junction temperature of graded bi2te3 / cosb3 thermoelectric materials was optimized based on the thermoelectric transport properties of monolithic materials, also when graded materials were used in the temperature difference ranging from 300k to 800k, the length ratio of monolithic materials cosb3 and bi2te3 were optimized in theory. thirdly, graded bi2te3 / cosb3 thermoelectric materials were prepared by two - step sps sintering, and the relationship between its average seebeck coefficients and temperature were calculated by theory mo del

    均質材料cosb _ 3和bi _ 2te _ 3的電導率和seebeck系數採用標準四端子法于he氣氛下在zem - 1上同時進行測量;熱導率採用激光微擾法( tc - 7000 )于真空狀態下進行測量;其次,在對均質材料cosb _ 3和bi _ 2te _ 3熱電傳輸特性研究的基礎上,對構梯度bi _ 2te _ 3 cosb _ 3熱電材料的溫度進行了優化;為了使構梯度bi _ 2te _ 3 cosb _ 3熱電材料在300k至800k的溫度范圍內具有最佳的熱電性能,本研究同時對梯度構熱電材料當中均質材料cosb _ 3和bi _ 2te _ 3材料的長度進行了優化設計;第三,通過兩步放電等離子的方法制備出了構梯度bi _ 2te _ 3 cosb _ 3熱電材料;採用理論計算的方法研究了梯度構熱電材料平均seebeck系數和溫度的關系;同時為了驗證設計的果,本論文對構梯度bi _ 2te _ 3 cosb _ 3熱電材料的開路輸出電壓和熱端溫度之間的關系及梯度材料在300k至800k的溫度范圍內使用時的功率輸出進行了相應的研究。
  12. He bonding quality for wcu and cu ( or crcu ) can be indirectly showed by the reflected wave amplitude of ultrasonic ; 3

    觸頭cuw cu ( crcu )狀況可以通過比較反射波波幅來反映。
  13. When sintered at 1050c, the wear resistance of the composites were better than that of the ferroalloy under both low and heavy load without oil lubrication. the wear resistance, hardness, and other mechanical properties of the composites with nickel coated sic were better than those of the composites with bare sic particles. however, when sintered at 1100c, interfacial reaction became so acute that the properties of the composites with nickel coated sic particles was worse than those of the composites with bare sic particles

    試驗果表明:與鐵合金相比,在1050時時,加入適量的sic后,耐磨性有較大的提高;而且加入鍍鎳sic的復合材料的耐磨性、硬度和拉伸強度等力學性能比加入相同含量的未鍍sic的材料的性能要好;在1100時,由於反應的加劇,含有鍍鎳sic材料的性能反而比含有未鍍sic材料的性能差。
  14. In order to study the regeneration mechanism of dpf in detail, we still need a mathematical model of the channel unit, which present temperature field and the soot reaction rate of the channel. finally, it points out the influences of various factors to the regeneration process by computing the numerical solution of model under different boundary conditions and geometry parameters, such as the initial temperature, the gas flow rate, the oxygen concentration, the sediment quantity and the wall thickness of the filters, and so on. in this way, the paper provides theoretical guidance for optimization design of the dpf

    首先研究了干凈壁流式過濾體的加熱特性,然後在加熱和燃理論的基礎上建立了微粒捕集器再生過程的數學模型,並對模型進行了數值計算,得到了捕集器內部的三維溫度場分佈以及溫度梯度分佈,果與實驗值吻合較好,驗證了模型的正確性;為了詳細的研究微粒捕集器的再生機理,建立了孔道單元數學模型,得到了孔道內的溫度場分佈和微粒反應速率分佈;最後,通過求解模型在不同邊條件和不同幾何參數下的數值解,分析了各種因素對再生過程的影響,如過濾體初始溫度、過濾體內氣流的流動速率、氧濃度、微粒沉積量以及過濾體壁厚度,為微粒捕集器的優化設計提供理論指導。
  15. The result of the xrd, sem and tem analysis show that the densification process was controlled by the mechanical of liquid phase sintering with the addition of mgo and ce02 as the sintering aid. the mgo - ceo2 would react with the sio2 which was on the surface of the silicon nitride particles to from silicate liquid phase to accelerate the densification

    通過xrd 、 sem 、 tem等測試果表明,由於同時添加了mgo和ceo _ 2作為助劑,其緻密化過程為液相,由助劑和si _ 3n _ 4表的sio _ 2反應形成低熔點的硅酸鹽相,促進緻密化,冷卻后,在晶形成玻璃體。
  16. Under the given condition, the undt for the lager center area and the smaller outer step area must use the probe with different sizes, the bonding quality can be evaluated by the experimented avg curves

    在給定探傷條件下,對較大的中心截和邊小臺階可選用不同的探頭探傷,觸頭狀況可以通過實驗的波幅?距離曲線進行判定。
分享友人