顆粒性硬度 的英文怎麼說
中文拼音 [kēlìxìngyìngdù]
顆粒性硬度
英文
granular consistency- 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)
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 硬 : 形容詞1 (堅硬) hard; stiff; tough 2 (剛強; 堅定; 強硬) strong; firm; tough; obstinate 3 (勉...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 顆粒 : 1 (小而圓的東西) pellet; bead; dust; anything small and roundish (as a bean pearl etc )2 (一...
- 硬度 : hardness; solidity; scirrhosity (腫瘤的)
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The impulse heavy current flows through sheet metal and explodes it, which can produce nanometer - metal granules. and the granules are sprayed over metal workpiece by accelerated power of electric field. the characteristics of rigidity and abrasion of the metal workpiece are greatly improved by this way
讓沖擊大電流通過金屬片,使其爆炸,產生納米金屬顆粒,利用電場的加速作用,噴塗在金屬工件的表面,大大提高金屬工件的硬度和耐磨性能。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。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。Through strength tests and xrd tests for cemented stone, the paper presents action mechanism of the nanometer materials in the cement hydration and hardening process : pozzolanic effect, filling effect, acceleration action for the cement hydration, and improving action for microstructure. from the four aspects, the modified mechanism of the nanometer silica fume and ordinary silica fume in cement paste are compared. the analysis results show that the particular properties of the nanometer silica fume include particle fineness, crystal structure and surface hydroxy, etc. a serial of laboratory tests are performed to study physical and mechanic properties of the clay with the addition of the nanometer silica fume
結合水泥石強度試驗和xrd試驗,從火山灰效應、填充效應、水泥水化促進作用和微結構改善作用等方面探討了三種納米礦粉在水泥水化硬化過程中的作用機理;從這四個方面出發,對比分析了納米硅粉和普通硅粉作用機理的異同點,分析表明,納米硅粉的優異特性主要表現為顆粒細度、晶體結構、表面羥基等特性。The effect of nano - powders on the hardness, wear resistance, corrosion resistance, temperature tolerance and antifrication of composite coating were reviewed along with the co - deposition mechanism and development of nano - powder composite coating in recent years
摘要綜述了納米顆粒在復合鍍層中對提高鍍層的硬度、耐磨性、耐蝕性、耐高溫性能、減摩性能的作用,以及近年來有關納米顆粒在復合鍍層制備過程中的沉積機理及其研究與應用現狀。Yellowish or grey, the grains are single crystal with great strength, toughness and hardness
黃色或灰白色,顆粒系單晶體、硬度、韌性、強度都比白剛玉高。The vc - fe surface composite shows high wear - resistance, it ' s wear - resistance is 4. 20 times as that of chilling respectively. with the content of v increasing, it ' s rigidity and wear - resistance increases continually. more vc grains gained, and well distributed, better wear - resistance the vc - fe surface composite will show. ( 7 ) surface cermet composite was formed by the means of cast - sintering technique, with the help of adding wc grains and the quantity of heat sent out from the reaction v + c vc, the carbide cermet quality percent exceeds 60 %
在重載干滑動摩擦條件下, vc一fe表面復合材料顯示了很高的耐磨性,其相對耐磨性是可淬硬鑄鐵的4 . 2倍:隨著含v量的增加, vc一fe表面復合材料的鑄態硬度和耐磨性不斷提高, vc顆粒越多,分佈越均勻,表面復合材料的耐磨性就愈好。Granule which dimension is millimeter only is used generally, the micron can have the ability of enhance, the nami will be exceed, the define of microscope granule measure is all of data which can be scaled and statistic included geometry, pileup, combination, make up, object shape, micro hole. the basic object which is discussed by the article and software is granule dimension ( length, granularity ) and orientation measure
毫米顆粒僅具常規性能和常規用途,微米( 10 ? 0 . 1微米)顆粒具增強功能(力學增強、流態化能力增強、磁力增強等) ,納米( 100 ? 0 . 1納米)顆粒具超常功能(韌性陶瓷? ?摔不碎,超硬銅材? ?硬度提高500 , 750度低熔銅、黑色白金、隱形材料等) 。Secondly, the effect of transverse deforming on the property of the wedge pressing was studied. the results showed that : the wedge pressing stock with the transverse deforming amount of 10 % acquired the best performance. the highest density got the biggest rate of slope while with the amount of 30 % the curve was more some special structure and performance as following : the large porosities was crushed into small or linear ones with the high - direction deformation amount of 20 % ; as the increasing of the high - direction deforming, the particles got a further deforming, the porosities got a further crushing, the small porosities were mergered by the large ones and the former then disappeared ; when the amound reached 60 %, the quantity of the porosities would obviously decrease which made the materials compact, the microstructure more uniform and the density and hardness curves more horizontal, the relative desity could reach 99. 7 %, the tensile strength b of the as - compacted samples reached 408mpa with the yield strength s teached 289mpa and the elongation percentage reached 13. 6 %. in addition, the microstructure of the wedge pressing stock under the pressing temperectureof 450 was uniform, the porosities and the boundries of the grains basically disappeared and the conjunction between particles was great
採用雙向楔形壓制,大尺寸噴射沉積5a06鋁合金楔壓坯的組織和性能變化具有如下特點:當高向變形量為20 %時,大的孔洞變形破碎為小的孔洞,或呈線狀孔;隨著高向變形量的增加,顆粒進一步變形,孔洞進一步破碎,大孔「吞併」小孔,小孔塌陷並逐步消失;當高向變形量達到60 %時,孔洞量大為減少,材料基本緻密,組織趨于均勻,楔壓坯料的密度、硬度變化曲線接近水平線,坯料的相對密度達99 . 7 % ,抗拉強度_ b = 408mpa ,屈服強度_ ( 0 . 2 ) = 289mpa ,延伸率= 13 . 6 % ;對比其它的壓制溫度,在450楔形壓制的坯料組織均勻,孔洞及顆粒邊界基本消失,顆粒之間冶金結合良好。The results showed that sic particles dispersed uniformly in the composites, that the composites " hardness increased with the increasing volume fraction of sic particles, and that the composites had the outstanding wear resistance properties that were superior to the matrix alloy
結果表明, sic顆粒在復合材料中分佈均勻;復合材料的硬度隨sic顆粒體積含量的增加而增加,且比基體合金的硬度高; sic顆粒增強鋁基復合材料具有優良的耐磨性能,且優于基體合金。And the microstructure, the hardness and the wear resistance properties of complicated parts had also been studied and analyzed. the results showed that under the same experiment condition, the semi - solid flow and deformation properties of the composites increased with the increasing of the sic particles " volume fraction which below 12 %, that he composite reinforced with different volume fraction of sic particles were die - cast into complicated parts successfully, that sic particles dispersed even more uniformly in their complicated parts, and that he complicated parts " hardness was better than the composites "
結果表明,在sic顆粒體積含量低於12的情況下, sic顆粒含量越高,復合材料的成型性能越好; sic顆粒增強鋁基復合材料能夠用壓鑄的方法制備復雜壓鑄件; sic顆粒在壓鑄件中分佈更為均勻,且呈單顆粒;壓鑄件的硬度比復合材料鑄錠的硬度高; sic顆粒增強鋁基復合材料的壓鑄件耐磨性高於復合材料鑄錠。The results of the hardness test showed the composites " hardness increased with the increasing volume fraction of sic particles. results of the wear tests showed the composites had the outstanding wear resistance properties, especially in lubricated sliding case, the wear resistance properties of the composites were superior to the matrix alloy over one or two orders of magnitude
結果表明,復合材料鑄錠中, sic顆粒分佈均勻;材料的硬度隨sic顆粒體積含量的增加而增加; sic顆粒增強鋁基復合材料具有優良的耐磨性能,在油潤滑條件下,復合材料的耐磨性能比基體合金高一至兩個數量級。The microstructure, the hardness and the wear resistance properties of the composites fabricated by semi - solid casting has been studied and analyzed metallographic analysis indicated that sic particles dispersed uniformly in the composites
本文採用半固態復合鑄造法制備了sic顆粒增強鋁基復合材料,並對這一系列材料的微觀組織、硬度及耐磨性能進行了研究與分析。Tic particle possesses high hardness, wear - resisting property, high temperature stability, high melting point, high young ' s modulus. as reinforced phase, it can remar improve the wear - resisting property, strength and high temperature stability, and it become one popular research way
Tic顆粒具有高硬度、高熔點、高模量等特性,作為增強體對提高復合材料的耐磨性和高溫性能有顯著的提高,因此tic顆粒增強鋁基復合材料成為金屬基復合材料領域的熱門課題。An investigation on the hardness and wear resistance of the electroless composite plating of magnesium alloy - sic nanometer particles
納米顆粒化學復合鍍層硬度及耐磨性的研究In order to apply die - casting into particulates reinforced aluminum matrix composites, which would make this kind of material used more and more widely, the shaping properties of the composites in semi - solid were studied and complicated parts were die - cast with the composites in this paper
為了將壓鑄工藝與顆粒增強鋁基復合材料很好地結合起來,擴大鋁基復合材料的應用范圍,本文進行了復合材料成型性能測試、復雜件的壓鑄試驗,並研究了壓鑄件的微觀組織、硬度和耐磨性能。And the microstructure, the hardness and the wear resistance properties of the composites fabricated by semi - solid casting had been studied and analyzed
本文採用半固態復合鑄造法制備了sic顆粒增強鋁基復合材料,同時研究了復合材料的微觀組織、硬度和耐磨性能。This article mainly emphasize on the classification of coarse grained soil from the viewpoint of engineering application ( content of coarse grains ), vibrating method is introduced in the shaping. meanwhile, research is made to the water stability and shear strength. through research, following conclusions are obtained : coarse grained gradation is the main factors to determine its shear strength, when the coarse grains content is over 70 % or around, the maximum shear strength appears : the grains itself have a bigger effect on the shear strength
以往對粗粒土的研究方法多採用擊實法,很少有人研究其抗剪強度特性,本文主要從工程應用的角度(粗粒含量)對粗粒土進行工程分類,成型方法採用振動法,同時對水穩定性、抗剪強度特性進行研究,通過研究得出以下結論:顆粒組成級配特性是決定其抗剪強度的主要因素,當粗粒含量在70左右時,抗剪強度最大;顆粒本身的特性對抗剪強度影響較大,顆粒越堅硬、大小顆粒相差越大、越不均勻、顆粒形狀越呈稜角狀、填築密度越大,抗剪強度就越高;含水量對抗剪強度的影響很小,可以忽略不計。But the surface characteristics is minor. when rigidity of granulated crumb rubber is increased, the performance of mixture is improved including compaction performance, volume performance and enduring performance. the ratio of coarse aggregates, granulated crumb rubber and coarse granulated crumb rubber are confirmed using the central composite design and response surface methodology
研究結果表明,橡膠顆粒的形狀特性和力學特性對混合料的性能影響較大,隨細長扁平顆粒含量的減小,硬度的增大,混合料的壓實特性、體積特性和使用的耐久性增強;橡膠顆粒的表面特性的差異對混合料性能有一定影響,但其影響並不顯著。分享友人