磨損的顆粒 的英文怎麼說
中文拼音 [mósǔndekēlì]
磨損的顆粒
英文
wear particle- 磨 : 磨動詞1 (摩擦) rub; wear 2 (研磨) grind; mull; polish 3 (折磨) grind down; wear down [out]:...
- 損 : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
- 的 : 4次方是 The fourth power of 2 is direction
- 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)
- 磨損 : wear and tear; abrasive wear; abrase; abrade; detrition; wear; scuff; wear out; fray; battering; ...
- 顆粒 : 1 (小而圓的東西) pellet; bead; dust; anything small and roundish (as a bean pearl etc )2 (一...
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Erosion of pipes and vessels from abrasion by particles can be serious.
由於固體顆粒的磨蝕作用,管子和容器的磨損嚴重。For measuring abrasion of catalyst particles, three basic attrition test apparatus are used.
為了測定催化劑顆粒的磨損,可使用三種基本磨損測試裝置。This control requires knowledge of attrition kinetics and cyclone effectiveness.
這種控制要求顆粒磨損動力學和旋風分離器效率的知識。The research results show that, from the viewpoint of second phase morphologies, there exist quite differences between the grain - type materials ( such as wc / bcu brazing deposit material, wrs1000 and 1zt tungsten carbide strengthening overlaying material, as well as the wear - resistant material of polymer adhesive coating etc. ), and the aggregation - type as well as dispersion - type ones ( such as zg35simn, wrd - 1 and khc - k2 depositing material ) in the wear - resistance and sand slurry abrasion mechanism. the sand slurry abrasion mechanisms are brought forward, of new wear - resistant materials with the features of grain - type second phase morphologies
研究發現,與聚合型、彌散型第二相的材料(如zg35simn 、 wrd ? 1和khc ? k2熔敷材料等)相比,顆粒型第二相的材料(如wc bcu釬焊熔敷耐磨材料、 wrs1000型耐磨材料、 1zt碳化鎢顆粒增強熔敷材料及ktc ? 1耐磨膠粘塗層材料等)在耐磨性能和磨損機理等方面均有不同,總結提出了以「顆粒型第二相」為特徵的耐磨新材料泥沙磨損機理。1. 5 m in diameter ) were dispersed in n46 engine oil with different concentrations using ultrasonic respectively in order to study their tribological properties. the tribological experiments were carried out by mq - 800 four - ball tribometer and mm - 200 ring - on - block tribometer, in which extreme pressure properties, wear scan diameter, friction coefficient and wear volume loss were measured. the results showed that oil containing mos2 nanoparticles had a better wear resistance, friction - reducing and extreme pressure than the oil containing common mos2
將上述制備得到的納米二硫化鉬顆粒和普通二硫化鉬粉末( 1 . 5 m )以不同濃度分散在n46機械油中,在mq - 800四球摩擦磨損試驗機上考察它們的最大無卡咬負荷( p _ b值) 、耐磨性能和摩擦系數;並在mm - 200摩擦磨損試驗機上,通過環?塊摩擦副,比較和分析了它們的摩擦學特性。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 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。Thus it improves the lubricating performance of friction pairs. 2 ) under heavy load and high - temperature conditions, the nanometer cao particles between two friction surfaces are flattened and form a sliding system
( 2 )在重載和高溫條件下,兩摩擦表面間的納米氧化鈣顆粒被壓平,形成一滑動系,降低了摩擦和磨損。Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information
本文的研究工作主要包括以下五個部分:首先,介紹航空發動機常見的磨損故障類型,研究磨損故障的失效機理,分析磨粒的產生機理、分類以及形態特徵:其次,針對傳統鐵譜分析技術的缺點,引入圖像分析技術,再結合特徵參數優化篩選,形成基於圖像的磨粒顯微形態學特徵描述方法:然後,基於提取到的磨粒形態特徵信息,應用模式識別方法完成磨粒自動識別,並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位:再后,鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷,本文引入信息融合技術,開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索;最後,基於航空發動機滑油光譜分析與鐵譜分析數據,應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。Adhesive wear is the main abrasion mechanism of composite in high sliding speed and heavy - load. the adhesive wear is the main abrasion mechanism when the size of filling is minor or the content of filling is low. with the increase of the size or the content of filling, the mainly abrasion mechanism transit from adhesive wear to grinding abrasion
( 2 )在低速低載時,復合材料的磨損以犁削磨損為主,在高速高載時,復合材料的磨損以粘著磨損為主;在填料粒徑較小或填料含量低時復合材料的磨損以粘著磨損為主,隨顆粒含量的增大或填料粒徑的增大,復合材料的磨損變為以磨料磨損為主。The porous ceramics is composed of lots of bridge arch - shaped microspores that connected and well - distributed inside the material. when the fluid passes through these pores, the suspended matters, colloid particles and big molecular organic substances are withheld or absorbed to the inner surface of the pore, and result in filtration, purification adn even - dispersion, high strength, good resistance to abrasion, high temperature and corrosion, no pollution, long workinglife, and easy to regenerate, the porous ceramics are available for filtration and fluidization of variou gas and liquid
微孔陶瓷過濾介質由許多大小分佈均勻,相互連通的橋拱狀開口氣孔組成.當流體從這些氣孔中通過時,流體中的懸浮物質,膠體顆粒,大分子有機物等被截留,吸附在微孔道內,從而達到了凈化和過濾均勻化的效果.微孔陶瓷強度高,耐磨損,耐高溫,耐腐蝕,無污染,氣孔分佈均勻,使用壽命長且再生簡便,特別適用於各種氣,液過濾和流態化過程In this paper, nanosized al2o3 ceramic particles were chose as reinforcing phase. enhanced with ultrasonic wave the particles were covered with copper using method by electroless plating, the copper - matrix composite was developed by hot - press sintering process of the composite powder. the composition, microstructure, hardness, density and dry sliding wear property of the new material have been studied
研究路線為:選用納米級al _ 2o _ 3陶瓷顆粒作為增強相,在超聲波的環境中用化學鍍的方法完成對納米al _ 2o _ 3陶瓷顆粒表面的金屬銅包覆,採用熱壓燒結成型技術以復合粉末為原料制備成納米al _ 2o _ 3陶瓷顆粒增強銅基復合材料,研究分析復合材料的成分、組織結構、硬度以及緻密度,對試樣進行了干滑動摩擦磨損實驗。Contains sylodenttm, an enamel - safe polishing agent that cleans your teeth and helps eliminate stains, including coffee, tea and tobacco. whitens teeth without bleaching
採用優質的sylodenttm亮潔粒子,以細致的研磨顆粒,有效去除牙菌膜及由咖啡、茶及香煙等所引起的牙垢膜而不損琺瑯質,讓牙齒潔白怡人。Copper - nanosized tibi composites were prepared by in - situ process. the microstructure, mechanical and electrical properties, and dry sliding wear behavior and electric sliding wear of cu - nanosized tib _ 2 in - situ composites was investigated ; mostly task as follows : the thermodynamic data for the reactions between b and ti in the molten liquid of copper were analyzed, the copper matrix composites reinforced by in - situ tibi nanoparticles were prepared by reactions of 8263, carbon and titanium in copper - titanium melt, and copper - titanium, copper - boron in alloy melt, respectively, which controlled the reaction temperature, reaction time and solidification process. the rnicrostructure and mechanical and electrical properties of the in - situ composites were investigated by using optics microscope, tem and xrd
本文採用原位反應法制備了cu -納米tib _ 2原位復合材料,在此基礎上分析了原位復合材料的微結構,進行了干滑動摩擦磨損和電接觸滑動磨損實驗,完成的主要工作如下:從熱力學的角度出發,分析了陶瓷tib _ 2顆粒在銅基體中原位生成的熱力學條件,並用電解銅、工業純鈦、 b _ 2o _ 3 、 c (還原劑)以及cu - ti 、 cu - b等合金為原料,通過控制適當的反應溫度、反應時間和快速凝固等工藝手段,制備了cu -納米tib2原位復合材料。Due to its complexity of the problem, the theories and experiment results obtained are discrepant, and some of them are even contrary one another. started from the influence by movement rules of small cavities and solid particles, the mechanisms of combined effect of cavitation and sand abrasion are study in this thesis from the aspect of the turbulent coherent structure near the wall. first, a dynamic equation is established for a single spherical bubble and single spherical sand under the non - turbulent coherent structure near the wall, and then a dynamic equation established under the turbulent coherent structure near the wall
首先從理論上推導出在典型湍流邊界層模式的非擬序結構下空泡與固體顆粒的近壁區運動方程,然後推導出湍流近壁擬序結構作用下的空泡與固體顆粒的近壁區運動方程,再將兩種不同條件下的的運動方程進行比較,指出湍流近壁區的擬序結構對空蝕與磨損的發生具有決定性的意義,即正是由於擬序猝發作用的存在,才使得空泡、沙粒對壁面的空蝕與磨損作用得以發生。Pseudothermal temperature can be used to describe abrasion level
顆粒擬溫度可探討性地成為葉片磨損程度的衡量指標之一。The character of tube roll mill is that it combines the advantages of ball mill and roller, then great improves the grinding efficiency through the study of the grinding theory of tube roll mill, pressing stress, grinding effect and the comparation between roller and vertical mill, this text combined the national important technology equipment crert item - - tube roll milling developing item, gets following results : firstly, because of the special structure of tube and roll, powder from single particle grinding in the early peried contincely transit press grinding stage, it better stops the loss of splash energy, secondly, during the grinding progress, powder form loose to dense fully uses the nonsmoth surface of particle and stress focus to make its stress lower than roller " s
本文結合國家重大技術裝備國產化創新項目-筒式輥碾磨開發項目,通過對筒輥磨的粉磨機理、層壓應力的分析、粉磨效果的研究及與輥壓機、立磨粉磨效果、粉磨機理的比較,可知:首先,由於筒與輥的特殊結構方式,筒輥磨內粉體由初期的單顆粒破碎逐漸過渡到層壓粉碎階段,較好地防止了飛濺能的損失,其次,在粉磨過層中,粉體由疏鬆到密實,充分利用了顆粒的非光滑表面及應力集中效應使其應力低於輥壓機。實驗證實,筒輥磨的粉磨效果大大優于立磨和輥壓機。Polyurethane composites contained different content of alumina and silicon dioxide particles were prepared, and the alumina particle was processed with two kind of silane coupling agent which models were kh550 and kh560
論文分別制備了al _ 2o _ 3顆粒及白碳黑增強的聚氨酯復合材料,考查了填料種類、填料體積分數、偶聯劑種類對聚氨酯復合材料力學性能及沖蝕磨損性能的影響。Slurry erosion tests were carried out with the manufactured test apparatus in order to study the erosion properties of the polyurethane composites. the results show that the wear resistance of silicon dioxide reinforced polyurethane composites decreased with the increased amount of particles, and the wear resistance of the alunima reinforced polyurethane composites first increased but then decreased. the wear resistance of the alunima reinforced polyurethane composites processed with kh550 coupling agent were maximum at the volume content of 15 %
試驗結果表明,聚氨酯復合材料的沖蝕磨損性能隨白碳黑體積分數的增大而降低,隨al _ 2o _ 3顆粒體積分數的增大先升高而後降低;經過偶聯劑kh550處理的al _ 2o _ 3顆粒增強復合材料耐磨性比經過kh560處理的復合材料高;經過偶聯劑kh550處理的al _ 2o _ 3顆粒增強復合材料在體積分數為15時具有最佳的沖蝕磨損性能。This thesis fabricated successfully a wc particle reinforced iron matrix composite using a vacuum infiltration process for severely erosion and application in the slurry pump. the casting process was optimized. the microstructure and wear resistance were researched and analyzed
本文針對承受嚴重沖蝕磨損的渣漿泵過流件,採用負壓鑄滲工藝成功制備了碳化鎢顆粒增強鐵基表面復合材料,改善和優化了復合工藝、鑄造工藝。分享友人