燒結后處理 的英文怎麼說
中文拼音 [shāojiēhòuchǔlǐ]
燒結后處理
英文
post sintering treatment-
The results showed that : there were five stages in the rising process of the internal temperature of untreated, fire - retardant solution soaked, and fire - proof paint coated wood during the fire ; the carbonization rate of wood decreased by 21. 1 % ~ 35. 6 % and the rising speed of internal temperature also declined greatly when wood was soaked in fire - retardant solution or coated with fireproof paint ; the carbonization rate of white pine was 8. 5 % ~ 17. 4 % higher than that of the northeast china ash ; for untreated wood, the carbonization rate in tangential direction was 5. 8 % ~ 10. 5 % higher than that in radial direction ; the internal temperature of wood varies with the developing direction of combustion
結果表明:火災發生過程中未處理木材、阻燃浸漬處理和塗刷防火徐料木材內部溫度上升過程出現5個階段;經過阻燃浸漬處理和塗刷防火塗料后,木材的燃燒炭化速度降低了21 . 1 % ~ 35 . 6 % ,內部溫度上升速度大幅度下降;白皮松木材的燃燒炭化速度比水曲柳木材的燃燒炭化速度快8 . 5 % ~ 17 . 4 % ;未處理木材沿弦向的燃燒炭化速度比徑向快5 . 8 % ~ 10 . 5 % ;木材內部的溫度變化沿燃燒推進方向不同而不同。Investigations also show that the catalyst shows good heat resistance in the presence of water and demonstrates high capability for mitigating sox poisoning. in the end, a novel way controlling combustion is employed in a 1. 342l s. i. engine, in which lean - burn, fast burn ( tumble ) and delay ignition make the engine provide much cleaner exhaust gas than that of a conventional premixed s. i. engine
最後綜合採用機內凈化和排氣后處理并行策略,即稀燃、快燃(滾流) 、推遲點火的可控燃燒新方案,結合分子篩稀燃催化器,在稀燃發動機典型工況下,在保證燃油經濟性較原機改善14 . 8 %時, nox的排放大幅降低。The researching work include three aspects : 1 ) after selecting primary material system, the polymer coating process were optimized. the polymer - coated high - temperature alloy powder has been developed on the basis. 2 ) based on sintering and orthogonal experiments, the influence of the prototyping elements on prototyping properties have been initially studied, and the optimal prototyping parameters of this material has been obtained finally
本文主要研究內容為: ( 1 )選擇合適的包覆材料體系,對鉬粉的包覆工藝進行了優化實驗,在此基礎上開發了適合於激光燒結成型用覆膜高溫合金粉末材料; ( 2 )通過激光燒結成型實驗,運用正交實驗方法,系統地研究了燒結工藝參數對成型質量的影響關系,在此基礎上確定了覆膜高溫合金粉末最佳燒結成型工藝參數; ( 3 )對激光成型件進行了后處理工藝實驗,得到了優化的后處理工藝規程,並製作了合格的后處理樣件。Under the background of correlative research project, the method of selective laser sintering has been used in the researching work. polymer - coated high - temperature alloy powder have been first developed successfully in our nation. the laser sintering and post - treatment process of high - temperature alloy parts have been systematically studied, which lay the foundation for its engineering application
在國內首先研製成功了覆膜高溫合金粉末及其制備工藝,並對其激光燒結成型和后處理工藝進行了系統的實驗研究,為該項技術的工程化應用打下了基礎。However the microstructures of the reaction existed before the heat treatment remained untouched. the heat treated fe - cu - c alloy - based composite sintered at 1100c was found to be a kind of ideal wear resistant material
1100燒結的fe - cu - c基復合材料進行熱處理后可以得到既具有良好的強度性能,又具有優良耐磨性的相對理想耐磨材料。Optimization of secondary operations according to geometry of component made of low alloyed sintered steel
與低合金燒結鋼零件形狀相對應的后續處理條件最優化研究The results show that for organic solvent typed fluorocarbon lacquer and specially treated water soluable fluorocarbon lacquer, the content of fluorocarbon resin can be determined accurately with the above method
結果表明,採用氧彈燃燒法配合氟離子電極對有機溶劑型氟碳漆及處理后水溶性氟碳漆的氟碳樹脂含量能夠進行準確測定。Breaking material deal with ring formation at the end of rotary kiln
回轉窯后結圈的斷料空燒法處理Foam glass is a new kind of inorganic heat insulating material with a structure of equally closed cells. it is mainly made of glass added with adequate foaming agents after heating and baking in high - temperature tunnel furnace, then annealing and cooling
泡沫玻璃是一種以玻璃為主要原料,摻入適量發泡劑,通過高溫遂道窯爐加熱焙燒和退火冷卻加工處理后制得,具有均勻的獨立密閉氣隙結構的新型無機絕熱材料。They have excellent corrosion, thermal shock resistance and spalling resistance. they wide applications and can be used in key locations of thermal processing equipment such as bof, eaf, lf and so on. 2 alumina - magnesia - carbon brick made from high - purity bauxite or fused alumina and fused magnesia grain or high purity magnesia by pressing, resin - bond for thermal shock resistance
1 ,鎂碳磚是不燒的耐火材料,經過摩擦壓磚機的成型以及乾燥處理后而成,它的主要原料是電熔鎂,高純鎂砂和高純石墨,結合劑為樹脂,鎂碳磚有良好的耐侵蝕性,熱震穩定性和抗剝落性,它已經被廣泛地用在鋼廠的轉爐電爐鋼包精煉鋼包等關鍵部位。The parameters of impregnation are as follows : ph is about 3, the range of temperature is from 20 to 45, and the time is about 2 to 6 hours. after the necessary treatments, zirconia cloths had the optimal strength when the diameters of zirconia fibers were controlled in 4um to 7um, and the sizes of zirconia grains were in 50nm to 100nm. the affec - ting factors were discussed and the liner regression analysis of the cloths was made, from w hich they show that the diameters and grain sizes have the significant influences on zirconia cloths. the obtained zirconia cloths have been accepted for use in nickel - hydrogen batteries by practical use
研究結果表明:粘膠類纖維布最適合制備氧化鋯纖維布的前軀體;鋯液濃度以飽和溶液為宜;浸漬工藝參數為ph值3左右,溫度20 45 ,時間2 6小時;多餘鋯鹽的去除、浸鋯液后纖維布的整平處理及平燒施應力燒成有利於氧化鋯纖維布的柔軟及平整; 200 600燒成溫度段應緩慢燒成,控制氧化鋯纖維直徑在4 7 m ,氧化鋯晶粒尺寸50 100nm時氧化鋯纖維布的強度最好。Many researches have showed that the mechanical properties of al2o3 - matrix ceramics in which ti ( c, n ), tic or tin was dispersed could be improved a lot, which might be widely used in the field of machining. al2o3 - matrixed ceramics were fabricated by gas pressure sintering ( gps ) and gps with post - hip based on current techniques in this experiment. for al2o3 - ticn composite ceramics, the densitification process was controlled by the mechanism of solid phase sintering.
大量研究表明:採用ti ( c , n ) 、 tic或tin作為第二相彌散顆粒所制備的氧化鋁基復相陶瓷相對al _ 2o _ 3單相陶瓷而言,性能有了顯著的提高這類復相陶瓷性能優良,在機械加工領域有著廣泛的應用前景本實驗採用氣壓燒結( gps )以及gps結合熱等靜壓( hip )后處理兩種工藝制備氧化鋁基復相陶瓷。And the value drop to the lowest at ph = 0. 8. as the increase of heat treatment temperature, the pore size distribution peak of sio2 microspheres is very narrow, meanwhile the specific surface area is the smallest before 160 c. the polymer template is removed at 350 c, so the pore structure of sio2 particles has a big change which involve the increase of specific surface area and the broaden of pore size distribution peak. with the continuous raise of temperature the sio2 network will shrink little, as a result the average pore size will decrease, but the specific surface area has no obvious change
結果發現:二氧化硅膠體顆粒均勻分佈於脲醛聚合物網路中,煅燒去除有機模板后微球表面變粗糙,而粒徑沒有明顯變化; ph值較小時,復合微球中聚合物含量較大,而ph值較大時,得到復合微球結構鬆散,因此熱處理后的二氧化硅微球孔容及平均孔徑都較大,而在ph = 0 . 8時,得到最小值;武漢理工大學碩士學位論文隨著熱處理溫度的變化,小於160時,空分佈較窄,而比表面積較小,在350時,由於有機模板的去除,微球孔結構發生突變,比表面積明顯增大,而孔徑分佈變寬,溫度繼續升高時,二氧化硅網路發生收縮,平均孔徑變小而比表面積由於有機炭化物的完全去除沒有太大變化;微球中的微孔在熱處理過程中處于平衡狀態,分佈沒有太大變化。The last, we have accomplished the last treatment to the parts, on account of the parts have excellent mechanical capability, it can satisfied the damand of metal molds
第三,完成了對激光燒結件的后處理(脫脂、高溫燒結、滲金屬) ,且零件具有良好的機械性能,基本滿足工模具的使用要求。For adapting to the need of industrialization and improving the properties of materials, the method of mechanical activation has introduced on the basis of traditional calcinations at high temperature. the stardard spinel limn204 is prepared by the mechanical activation - high temperature solid synthesis method. the thermodynamic property, the physical - chemistry performance and the producing techniques of. battery have been studied by means of thermogravimetry ( tg ), differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), scanning electric microscopy ( sem ) as well as various electrochemical analysis methods. studies show that synthesis temperature, calcinations time, recipe of raw materials, heat treatment and particle size of products are main factors affecting the performances of limn204 cathode materials. with the increment of synthesis temperature and time, the structure and crystal of products are getting to perfect
隨著合成溫度和時間的增加,產物的結構和晶型越趨于完善,但在1100得到的產物有燒結和晶粒增大的現象,恆溫時間超過24h后對材料的性能影響不是很大; li mn比在0 . 95 1 . 05 2的條件下都可得到標準的尖晶石limn _ 2o _ 4 ,尤其當li mn比為1 . 05 2時,所合成的材料具有較好的電化學性能;通過兩段合成法制備的產物性能要比一段合成法法制備的產物性能好,而兩段間隔合成法比兩段連續合成法處理的材料性能更佳;顆粒的粒度隨著球磨時間的延長而減小,比表面昆明理工大學碩士學位論文摘要卻增大,粒度小且分佈范圍窄的材料有利於鏗離子的擴散。The proper temperature is felt about from the substrate of p ( 100 ) cz - si, and it is found that the solar cell conversion efficiency has been improved from 8. 85 % to 11. 45 % for the annealing process. suitable processing conditions for cells " fabrication, hydrogen passivation, sinx anti - reflection coating deposited by plasma enhanced chemical deposition ( pecvd ) are also studied
將太陽電池樣品分別用pecvd ( plasmaenhancedchemicalvapordeposition )做減反射膜,用fg ( forminggas )燒結,測試電池性能,發現用pecvd處理后電池效率有所提高,用fg燒結后同樣有所改善。The composite was pressed and sintered again to further enhance its synthetical properties. through this treatment, interface binding strength, compactness, conductivity and mechanical properties of the composite were prominently increased
復壓復燒處理后,銅基體與碳纖維之間結合狀態良好,復合材料的緻密度、電導率及機械性能均有顯著提高。Changing the grading of sic particles not only affects the strength and pile density, but also modifies the phase compositions and microstructure of the material. with the reducing of sic particles, the strength of the material increases obviously. the nitrification scheme has the greatest influence on phase compositions and microstructure " of si3n4 ( si2on2 ) - sic, after two continuous nitrification reacting peak and short - time high - temperature treating, the best properties can be obtained ; and the residual strength of the composite is much higher after the thermal shock resistance test, which shows that the material possesses excellent thermal shock resistance
本論文較全面地探討促進強度和顯微結構良好的si _ 3n _ 4 ( si _ 2on _ 2 )結合相的實驗條件,實驗數據顯示:引入適量的燒結助劑能夠促進si _ 3n _ 4 ( si _ 2on _ 2 )的生成和晶粒的長大,而過量時,其促進作用反而下降;隨著si粉加入量增加,生成的結合相明顯增多,復合材料的性能顯著提高;改變sic顆粒級配不僅影響復合材料的強度與堆積密度,而且對復合材料的物相與顯微結構也有影響,隨著顆粒逐漸細化,材料的強度有較大的提高;對復合材料的強度、物相與顯微結構影響最大的是氮化制度,經過兩個氮化高峰連續的反應和短時間的高溫后處理得到的復合材料性能最好;通過抗熱震性能實驗后復合材料的殘余強度較高,顯示出較好的抗熱震性能。The preparation process of sintered psc involves powder purifying, pressed powder compact preparation, sintering process and final treatment
Psc的制備過程包括粉末的凈化、壓坯的壓制、燒結過程和樣品的后處理。Made of pressing polytetrafluoethylene resin into various simple shapes of seal in ordinary temperature then through high heat sintering and special treatments
用聚四氟乙烯樹脂在常溫下壓制各種簡單形狀的密封件,再經高溫燒結后經特殊方法處理製成。分享友人