碳化復合材料 的英文怎麼說
中文拼音 [tànhuàfùgěcáiliào]
碳化復合材料
英文
charring composite- 碳 : 名詞[化學] (非金屬元素) carbon (c)
- 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 (...
- 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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Effect of heat treatment on induced apatite deposition and bonding strength of the alkali treated titanium oxide layer for carbon carbon composite
碳復合材料上堿液處理氧化鈦鍍層誘導沉積磷灰石和結合強度的影響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 。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,碳化物之間能夠互相固溶,可以用於高能球磨製備碳化物及納米復合材料的研究制備多元碳化物復合材料。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 two constituents were compatibilized in - situ by mechanochemical reactions induced by pan - milling and the microstructure of the blend can be controlled conveniently by adjusting processing conditions. polyamide 6 / ground limestone powder ( pa6 / caco3 ) and polyamide 6 / silicon dioxide ( pa6 / sio2 ) composites were also prepared through this method. those pa6 blends and composites exhibit improved microstructure and superior mechanical properties to the systems mixed by conventional mixing methods
研究了磨盤碾磨對尼龍6的粉碎機理,制備了就地增容、微相結構可調的聚丙烯/尼龍6 ( pp / pa6 )及尼龍6 /碳酸鈣( pa6 / caco _ 3 ) 、尼龍6 /納米級二氧化硅( pa6 / nano - sio _ 2 )共混復合材料,各體系混合效果、微相結構及力學性能均明顯優于採用傳統混合設備制備的試樣。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。Ti : fabrication of boron nitride ceramic fibers from alkylamino borazine polymer precursors by fiber drawing and heat - treatment. inventors : miele, philippe ; toury, berangere ; bernard, samuel, etc
摘要:本文研究了含有高密度連續碳纖維氮化硼纖維復合材料的制備方法。探討了碳纖維與氮化硼纖維不同排布對復合材料性能的影響。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。The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。Four kinds of c / c composites with different preparation techniques were graphitized at 2400 - 2880. the relations between magneto - resistance and orientation ( the angle between surface of samples and magnetic field ), measure temperature, the intensity of magnetic field ( b ) were studied for each sample. the micro - structure and x - ray diffraction pattem were investigated too
本論文在對制備工藝不同的四種碳/碳復合材料樣品進行2400 2880的石墨化處理后,應用ppms ( physicalpropertymeasurementsystem )研究了測試位向(試樣某特定面和磁場方向夾角) 、測量溫度以及外加磁強對材料磁電阻特性的影響,同時研究了各試樣的微觀結構和x射線衍射譜圖。We research the causes of concrete cracking, develop the high performance anti - cracking additive, optimize the concrete mix and construction techniques, increase the stability of concrete volume by shrinkage compensation, enhance splitting tensile strength, and can meet demand of high workability of fresh concrete. in the study, a thorough investigation of this problem is made from all points of view, with the aid of various modern measurement & testing technology and different theories & methods in surface physical chemistry, structural chemistry, solid - state chemistry, composite materials, fracture mechanics, etc. our research results have shown that the various shrinkage of concrete cause concrete cracking in building engineering, such as autogenous shrinkage, dry shrinkage, temperature shrinkage, plastic shrinkage, carbonized shrinkage, etc
目前,解決混凝土開裂的方法是綜合的,我們調查研究了混凝土開裂的原因,開發研製了高性能抗裂外加劑,優化混凝土的設計和施工方法,並通過補償收縮達到混凝土體積穩定,提高抗裂強度,滿足混凝土拌和物高工作性能的要求。本研究採用多種測試技術,應用表面物理化學、結構化學、固體化學、復合材料學、斷裂力學等多學科的理論與方法,從不同的角度進行深入的研究和探討。通過調查研究建築工程中出現的混凝土開裂、滲漏問題,發現混凝土在非荷載作用下開裂主要是由混凝土的自收縮、乾燥收縮、溫度收縮、塑性收縮、碳化收縮等各種收縮變形引起的。Abstract : this paper studied the damage effects of sic fiber reinforced al matrix ( sic / al ) composite irradiated by a highpower continuous laser
文摘:研究了鋁基碳化硅纖維增強復合材料在連續波強激光輻照下的破壞效應。Continuous carbon fiber reinforced silicon carbide ceramic matrix composites ( cysic ) are considered as the most promising thermal structural candidate materials for aerospace, energy and nuclear technologies etc. as a key technology for improving high - temperature structural applications of the materials, oxidation protection with anti - oxidation coating system had being paid more and more attentions
連續碳纖維增強碳化硅陶瓷基復合材料( c sic )是一種極具潛力的高溫結構復合材料,在航空航天、能源及核技術等領域有著廣闊的應用前景。為了推進材料的高溫應用,對防氧化塗層已開展了廣泛的研究,但是對目前廣泛採用的cvdsic塗層的缺陷控制鮮有研究。Effecting mechanism of carbon fibers air - oxidation on polymer atrix composites
碳纖維空氣氧化處理對聚合物基復合材料影響的機理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。This dissertation focuses on how to develop a high performance damping mechanism based on multi - energy transitions, which is independent or little dependant with the viscoelasticity of polymer matrix. three sections are mainly included in this dissertation as follows : chlorinated polyethylene ( cpe ) / piezoelectric ceramic ( pzt ) / vapor grown carbon fiber ( vgcf ) composites ; cpe / 2, 2 ' - methylene - bis - ( 4 - methyl - 6 - cyclohexylphenol ) ( zkf ) / vgcf composites ; organic hybrids made from cpe and small molecules cpe / pzt / vgcf composites : the damping composites of multi - energy transitions mechanism were produced by mixing pzt and vgcf into cpe. in this system, the mechanical vibration energy that was transmitted to cpe was found to convert into joule ' s heat through conduction paths between vgcf in the polymer matrix, so the vibration fades away
本論文主要包括三個方面的研究內容: ?氯化聚乙烯( cpe ) /壓電陶瓷( pzt ) /氣相生長碳纖維( vgcf )復合材料; ? cpe /雙[ ( 2 -羥基- 3 -環己基- 5 -甲基) -苯基]甲烷( zkf ) / vgcf復合材料; ? cpe基有機小分子混雜型復合材料cpe / pzt / vgcf減振復合材料:利用壓電和導電填料填充高聚物基體,當復合材料受到機械振動時,通過高聚物基體將機械振動能傳遞到壓電陶瓷粒子上,利用壓電陶瓷的壓電效應,將機械能轉換成電能,則電流在導電粒子產生的迴路中流動,由於導電迴路具有一定的電阻,所以電能又轉變成熱能耗散掉,從而起到減振的目的。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。Solution and precipitation of chromium carbide during the fabricated process of cr7c3 ni3al composite
復合材料制備過程中碳化鉻的溶解再析出行為It can increase reversible capacity of 50mah ? g ~ ( - 1 ) ’ s left or right. adding a little amount of zn, the reversible capacity is around 214mah ? g ~ ( - 1 ) after 30cycles
利用化學反應和高溫還原反應制備了超細金屬摻雜硅碳復合材料,選擇的摻雜金屬為cu 、 ni 、 ag 。This paper mainly study two kinds of smart materials which are both reinforced by chopped carbon fiber mat but use two different kinds of polyester resin as matrix and discuss the influence of content of carbon fiber on conductivity. focus on the relationship between strain and volume resistivity under tensile condition influenced by the factors such as resin matrix and fiber content
研究了其含量與導電性之間的關系;重點對不同基體樹脂材料及不同碳纖維含量等因素對復合材料在單軸拉伸條件下,拉伸狀態下應變與體積電阻率之間的變化關系進行了研究;確定了電阻率與應變之間變化的數學關系。分享友人