顆粒復合材料 的英文怎麼說
中文拼音 [kēlìfùgěcáiliào]
顆粒復合材料
英文
particulate composite- 粒 : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
- 復 : Ⅰ形容詞1 (重復) repeated; double; duplicate 2 (繁復) complex; compound Ⅱ動詞1 (轉過去或轉過...
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 材 : 名詞1 (木料) timber 2 (泛指可以直接製成成品的東西; 材料) material 3 (供寫作或參考的資料) ma...
- 料 : 名詞1 (材料; 原料) material; stuff 2 (喂牲口用的穀物) feed; fodder 3 (料器) glassware 4 (...
- 顆粒 : 1 (小而圓的東西) pellet; bead; dust; anything small and roundish (as a bean pearl etc )2 (一...
- 材料 : 1. (原料) material 2. (資料) data; material 3. (適于做某種事的人才) makings; stuff
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The development of adscititious particle reinforced aluminium matrix composites and al matrix in - situ composites reinforced by reaction synthesis " reinforcement phase are reviewed at first. and the papers point out the difficulties and problems on the study of al matrix composites at present
本文首先回顧了外加顆粒增強鋁基復合材料和反應合成強化物增強鋁基原位復合材料的研究進展,指出當前鋁基復合材料研究中存在的問題。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。The main points of this thesis are summarized as follows : 1. a new nanocomposite was developed by combination of prussian blue ( pb ) nanoparticles and multiwalled carbon nanotubes ( mwnts ) in the matrix of biopolymer chitosan ( chit )
本文開展的具體研究工作如下: 1 .將普魯士藍( pb )納米顆粒和mwnts分散在殼聚糖( chit )基底中,形成了一種新的納米復合材料。Glucose biosensors were then constructed by these nanocomposites, and their electrochemical properties had been explored. secondly, the self - assembled nanocomposite was formed by mwnts and biopolymer, and was used to study the electrochemical properties of nadh. and finally, the modified electrode which was formed by immobilizing small molecular onto electrode surface, was used to detect dsdna in the solution
本論文首先,將多壁碳納米管( mwnts )與納米顆粒相結合,制備的納米復合材料用於構建葡萄糖生物傳感器,並研究了它的電化學性質;然後,將mwnts與生物聚合物自組裝制備的納米復合材料用於研究nadh的電化學性質;最後,本文還將小分子自組裝固定在電極表面,用於測定溶液中的dsdna 。As an advanced materials preparation technology, spray - deposition has shown remarkable superiority in producing large - sized alloys and metal matrix composites. however, the spray deposeted preforms usually contain a certain quantity of porosity. besides, the oxide films on the surface of the particles lead to week metallurgic conjunction between the particles. in order to obtain an ideal structure and performance, the porous preforms need further densifying and plastical forming. in this paper, a new technology named wedge pressing was used to densify spray - deposeted 5a06 aluminium alloy, in which the large deformation can be obtained through the sum - up of local deformation and multi - step small deformation. this method can also solved the problems in traditional processing and greatly decreased the producing cost. what ’ s more, the reserch on the wedge pressing desification rules about the large - sized spray deposeted preforms was significant it was vital not only to the further densification of the prefoums but also to the further research on plastical deforming the research was also benefit to the industrialization an the application of the spray deposeted porous materials
坩堝移動式噴射沉積技術作為一種先進的材料制備新技術,在制備大尺寸合金及金屬基復合材料方面具有顯著的優越性。然而噴射沉積坯件特別是大型坯件通常存在一定量的孔隙,顆粒表面存在一定量的氧化膜,顆粒之間未能完全達到良好的冶金結合狀態,因此需要進行后續緻密化和塑性變形才能獲得理想的組織和性能。本文採用一種新型的楔形壓制工藝,即通過局部變形、多道次小變形累積實現大變形的緻密化加工方法,對噴射沉積多孔坯料進行后續緻密化和塑性變形,很好地解決了傳統加工工藝的難題,大大降低了生產成本。Influence of particle size on the dynamic behavior of pmmcs
顆粒尺寸對顆粒增強型金屬基復合材料動態特性的影響Study of aluminium alloy fly ash compound material
粉煤灰顆粒增強鋁基復合材料的研究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燒結工藝制備了含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,結合其力學性能、掃描電鏡和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面現象,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。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。The influence of shape factor of granular on nonlinear susceptibility in random nonlinear composites
非線性復合材料中組份顆粒形狀因子對非線性極化率的影響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 。Standard classification for rubber compounding materials - recycled vulcanizate particulate rubber
橡膠復合材料-再生顆粒性硫化橡膠的標準分類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界面特性,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,採用真空熱壓液相燒結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。The problems can be addressed, in part, through a strongly reactive alloying addition, such as mg, li and so on, and through reinforcement coating. in this paper sicp / al composites and sicp / al - si composites fabricated by the pressureless infiltration method. in order to found out the influence the different quantity of the reactive alloying addition mg si ce on the wetting between sicp and molten metal as well as the properties of mmcs, the behaviors of molten metal, the mechanical properties, micro - structure and the interfacial reactions was investigated respectively
本文通過研究制備sicp al復合材料、 sicp al - si復合材料的過程中,熔融鋁液或鋁硅合金液的浸滲行為、 sic - al 、 sic - al - si之間的界面反應、復合材料的機械性能、微觀結構等,探討了不同量的活性元素mg 、 si 、 ce對sic顆粒與熔融基體之間的潤濕性及復合材料性能的影響。Mechanical properties of sic particulate - reinforced aluminum matrix composite sheets
顆粒增強鋁基復合材料薄板的力學性能Finally build the foundation to prepare the composites of structure and m - type ferrite with structure and function properties. the constituent phases, microstructure and crystal dimension and crystal coalescence, mechanical properties, magnetic properties of the composites were investigated by means of x - ray diffraction ( xrd ), scanning electron micrograp h ( sem ) and transmission electron micrograph ( tem ), mechanical testing instrument, vibrating sample magnetometer ( vsm ) respectively
採用xrd技術鑒定復合材料的物相,利用sem , tem來分析srfe12o19及其復合材料的結構形貌,顆粒大小及結合情況,使用伺服材料實驗機、洛氏硬度計及振動樣品磁強計( vsm )測試了復合陶瓷的抗彎強度、硬度及其磁性能,並探討它們之間關系。Elastoplastic properties of particle reinforced titanium matrix composites
顆粒增強鈦基復合材料的彈塑性能研究The average thermal intensity inside the particle is obtained based on the solution of the temperature field inside the particle. the effective thermal conductivities for composites with different particulate geometry are calculated by using the prediction formula
在求解顆粒復合材料不同形狀夾雜內溫度場的基礎上,進而求解其夾雜相的平均溫度梯度,利用有效熱導率的預測公式,對含不同形狀夾雜的復合材料進行數值計算從而得到其有效熱導率。The study results display : the particle shape trends to needle more, the effective permittivity is bigger when the volume of particle is the same. the particle shape trends to penny more, the effective permittivity is bigger when the volume of particle is the same. the dimension of particle does n ' t affect the effective permittivity when the shape of particle is equal
本文的研究結果表明,對于無殼顆粒復合材料在相同的體積情況下,粒子的形狀越是趨于針形,等效介電常數越大;粒子形狀越是趨于便士形,等效介電常數越大;比較而言,便士形的等效介電常數大於針形的介電常數,而以球形的介電常數最小。On condition that the volume of particle is equal, the effective permittivity of penny shape particle is the biggest, that of the needle shape is second, and the spherical shape is the last. when the thicker of shell is constant and the radius of core is bigger, the effective permittivity is less. the effective permittivity will change acutely when the thicker of shell is close to the radius of core ; with the radius of core increasing, the effective permittivity of core - shell type particle will approach that of no shell type particle
在相同的形狀下(如便士形和針形) ,粒子的大小對于等效介電常數沒有影響;對于核殼形夾雜顆粒復合材料,當殼的厚度一定時,隨著核的半徑的增大,復合材料的等效介電常數越來越小;當殼的厚度和核的半徑較接近的時候,復合材料的等效介電常數將會發生急劇的變化;隨著核的半徑的不斷增大,核殼型顆粒夾雜復合材料的等效介電常數將逐漸的趨近於沒有殼的夾雜顆粒復合材料的等效介電常數。分享友人