燒結速度 的英文怎麼說

中文拼音 [shāojiē]
燒結速度 英文
sintering rate
  • : Ⅰ動詞1 (使東西著火) burn 2 (加熱或接觸某些化學藥品、放射性物質等使物體起變化) cook; bake; hea...
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. Heat convected, a mode of motion developed by such combustion, was constantly and increasingly conveyed from the source of calorification to the liquid contained in the vessel, being radiated through the uneven unpolished dark surface of the metal iron, in part reflected, in part absorbed, in part transmitted, gradually raising the temperature of the water from normal to boiling point, a rise in temperature expressible as the result of an expenditure of 72 thermal units needed to raise i pound of water from 50 to 212 fahrenheit

    所引起的運動形式之一-熱對流傳熱,不斷地加地從熱源體傳導給容器中的液體,由那凹凸不平未經打磨的黑色鑄鐵面把熱向周圍發散出去一部分反射回來,一部分被吸收,另一部分被傳導,使水的溫從常溫逐漸升到沸點。這種溫的上升可作為消費果標志如下:將一磅水從華氏五十加熱到二百十二,需耗七十二熱量單位。
  2. 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,合其力學性能、掃描電鏡和界面微區能譜分析果,分析了sic _ p al復合材料的真空過程中的界面現象,以及材料增強和斷裂機理,並利用hopkinson高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,以及利用高沖擊空氣炮測定了改復合材料制備剃復合板的穿透性能。
  3. In the article, the originator worked out the mechanism of magnesium - base alloys catching fire ; analyzed briefly the influence of the temperature, the heating velocity and the pressure of oxygen in the atmosphere on the lumps and scraps of pure magnesium ’ s catching fire, and designed a practical method to measure the kindling temperature of the lumps and scraps of pure magnesium precisely, with which the initial quantization of kindling temperature can be realized

    本文圍繞鎂合金阻燃技術的開發作了許多基礎性的研究工作,通過分析大量的相關文獻和試驗果,初步得出了塊狀鎂和鎂屑的燃機理,簡要分析了溫、升溫、環境中氧的分壓對塊狀鎂和鎂屑的起火燃所產生的影響。設計出了精確高、實用性強的塊狀鎂和鎂屑的燃點測試方法,使塊狀鎂和鎂屑的燃點得到初步的量化。
  4. The results showed that increasing scan rate and decreasing laser power can minish balling effect to a certain extent

    研究表明,適當提高掃描或減小激光功率可以在一定程上減小316不銹鋼粉末激光的球化效應。
  5. Furthermore, referring to the literature and considering the specific experimental conditions given by the research, expression of the change of feed rate with time is presented, to obtain the linear growth of the diameter of pre - sintered glass beads, thus the distribution of beads size is relatively well controlled and raw material is spared in some extent. eventually, during the experiment discrete change of feed rate is implemented, and the practical changes of average diameter are plotted, then the results are compared with the theoretical calculated data

    另外,本文通過對造粒技術、過程的大員文獻調研,合本研究的具體情況,通過控制進料率呈連續性變化,基本實現了前球坯直徑的線性生長變化,從而更有利於實際生產中的產品粒控制以及做到節約用料,並在試驗操作中以離散型進料率變化來加以比較驗證。
  6. In this paper, firstly the macro parameter of the series connection app was comprehensively analyzed, among which the trajectory location of the bullet emission and the terminal velocity of the bullet were mainly analyzed, and the feasibility of the series connection app to cope with explosive reactive armor was demonstrated. and then the macro design about the head of the series connection app was made, among which a particular analyse about the bullet " s launching process was made, from which we concluded the relation between the thickness of the airproof loop and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the burning rate of the powder and the relation between the length of the bullet and the maximum pressure of the emission hole and the relation between the length of the bullet and the emitting time of the bullet, and the reasonable str ucture of the head of the carrier and bullet were designed, then the intensity of the head of the carrier was checked out using of the software of ansys

    本文首先對子母式穿甲彈總體參量作了全面的計算分析,其中主要分析了子彈射出的彈道位置和必要的子彈著靶,論證了子母式穿甲彈對付爆炸式反應裝甲的可行性,然後對子母式穿甲彈彈頭部進行了總體設計,其中主要對子彈的發射過程進行了詳細的分析,得出了母彈彈頭部發射孔內閉鎖環厚與子彈飛離母彈的關系、子彈長與子彈飛離母彈的關系、子彈長與火藥燃率的關系、子彈長與母彈彈頭部發射孔內最大壓力的關系以及子彈的長與子彈發射所需時間的關系,設計出了合理的母彈彈頭部構和子彈的構,並利用ansys有限元分析軟體對母彈彈頭部的強進行了校核。
  7. Theoretical analysis and testing results demonstrated that viton, a new substitute of the former plasticizer, could noticeably improve its performances, which has been proved as the important improvements of the mixture. due to the favorable thermochemistry performance, dicyandiamide can act as a good combustion - rate regulator. the addition of antistatic agent can desirably increase the antistatic capability of the mixture, and the testing results showed that the performance of the improved mixture was excellent

    理論分析和測試果均表明了以氟橡膠取代耐水點火藥中原粘合劑將使藥劑的各項性能有明顯的改善,是耐水點火藥改進的重要方面;雙氰胺具有良好的熱化學特性,作為耐水點火藥改進中的燃調節劑具有很好的調效果;抗靜電劑的加入,進一步提高了藥劑的抗靜電能力,測試分析表明改進后藥劑的性能更加優異。
  8. 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

    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,木材的燃炭化降低了21 . 1 % ~ 35 . 6 % ,內部溫上升大幅下降;白皮松木材的燃炭化比水曲柳木材的燃炭化快8 . 5 % ~ 17 . 4 % ;未處理木材沿弦向的燃炭化比徑向快5 . 8 % ~ 10 . 5 % ;木材內部的溫變化沿燃推進方向不同而不同。
  9. The influence of burning system on the properties and structure of the ceramic capacitors has been studied under the certain temperature system, the optimum sintering temperature of the ceramics was primarily decided by the content of bi2o3 ? 3tio2. the sintering temperature dropped with the adding of bi2o3 ? 3tio2. at the range of suitable sintering temperature, slow heating and low temperature sintering can obtain fine grain and dense structure. it results in the improving of the breakdown voltage for the middle - high voltage ceramic capacitors

    研究了成工藝制對電容器陶瓷性能和構的影響,果表明:在一定的升溫保溫時間下,瓷料的最佳主要取決于組成中bi _ 2o _ 3 ? 3tio _ 2的含量, bi _ 2o _ 3 ? 3tio _ 2含量的增加將降低;在合理的范圍內,慢升溫和低溫將有利於得到細晶緻密構,從而改善中高壓陶瓷電容器的耐壓強
  10. Comparing shrinkage under bpec and conventional heating, we can conclude that obvious shrinkage occurred at relative lower temperature and velocity of shrinkage was greater under bpec heating

    比較脈沖大電流和輻射加熱過程中樣品的收縮,果表明前者在相對較低的溫即發生明顯的收縮,並且收縮率大於後者。
  11. Pulse electric current heat treatment ( pecht ) developed by sodick, ltd., of japan, is a recently developed material processing method which consists of spark plasma sintering and welding, plasma activated sintering and welding, big pulse electric current ( bpec ) diffusion welding etc. the following are basic merits of pecht : rapid heating and cooling ; short sintering or welding time ; lowering sintering or welding temperature

    脈沖電流熱加工( pulseelectriccurrentheattreatment ,比如,焊接等)是九十年代發展起來的一種材料快制備新技術,它包括放電等離子與焊接、等離子活化與焊接、脈沖大電流擴散焊接等。它具有升溫、降溫快、能在較低的溫或焊接以及時間短的特點。
  12. It is concluded that the combustion chamber passage area, passage direction, passage shape and passage position have a strong effect on in - cylinder current motion and flow speed

    計算果表明,燃室通道截面積、通道傾角、通道形狀、通道布置對氣流運動的形式及氣流均有較大的影響。
  13. This paper systematically discussed the fundamental, characteristics, research status and equipment of microwave sintering, and introduced the preparation and development of sintered ndfeb magnets, on the basis of which the effects of the parameters on the heating rate and sintering temperature were investigated. and by means of optical metallurgical analysis, x - ray diffraction analysis and the measurement of density and magnetic properties, the paper compared the properties and technology of ndfeb magnets sintered in microwave magnetic field with that of magnets sintered in conventional heating process

    本文系統論述了微波基本原理、特點、研究現狀和設備,介紹了ndfeb制備工藝和發展,在此基礎上研究了微波磁場ndfeb永磁材料過程中各因素對升溫率、的影響,並通過金相顯微分析、 x射線衍射分析、密及磁性能測試等手段,將微波磁場的ndfeb磁體與常規的磁體進行了工藝與性能的對比分析。
  14. Baseing on the request of low coercivity and high squareness in application, we had confirmed the main formulation of the lizn ferrite ; during the study of the conventional ceramic process, with the main formula foundation, we mainly studied the influence of ti4 +, co3 + on lowering coercivity and bi2o3, v2o5 on lowering sinter temperature. the results showed bi2o3 good characteristic on lowering sinter temperature and the sample which mixed with 1 % bi2o3 could reduce 40 % coercivity through slowing heating rate and extending the holding time

    在氧化物陶瓷工藝技術研究中,按實際應用中低矯頑力、高矩形比的要求,確定了lizn鐵氧體的主配方,在主配方基礎上進行了ti4 + 、 co3 +等離子對降低矯頑力的研究以及添加bi2o3 、 v2o5助熔劑對降低的研究,發現bi2o3具有優良的降低的特性,在添加bi2o3樣品過程中,降低升溫率,延長保溫時間可以降低40 %左右的矯頑力。
  15. The experimental data has been used to validate pdm and low temperature sintering mechanics. the advantage and disadvantage of pdm have been discussed also. for the first time, the pdm is used to study the low temperature sintering mechanics of uo _ 2, and the research results indicate : 1

    3 、基於頸長大率與緻密化動力學方程得出,影響二氧化鈾低溫的因素有原始粉末粒徑、粉末堆積方式、坯塊原始密時間、氣氛等;粉末壓坯一定時,時間和氣氛就成為控制低溫的關鍵因素。
  16. Results showed that the factors include : solvent and concentration of limn204 precursor solution, spin - coating speed, heating speed, sintering temperature and time etc. in the end, techniques of sintering under vacuum conditions were studied

    主要有以下幾方面:溶液中離子總濃以及分散劑濃對成膜質量的影響;旋轉塗覆時轉、熱處理的升溫時間對薄膜晶型構及性能的影響。
  17. Sintering speed increased greatly with the help of great quantity of heat of the molten iron, the great quantity of heat sent out from the carbonizing reaction and a little quantity of liquid, this sintering type is an instantaneous sintering, the sintering compacting can carry completely in a few minutes, the degree of sintering compacting is very high. ( 6 ) the vc - fe surface composite has high rigidity, it ' s rigidity exceeds 60hrc, under condition of dry sliding friction and overloading

    鑄造時,過熱鐵水的巨大熱流密沖擊、粉料壓坯中的碳化反應的放熱以及壓坯中少量液相的產生使壓坯的燒結速度大大提高,此時屬瞬間液相,在十幾分鐘內過程即可完成,可達到很高的緻密化程。 ( 6 )鑄態下vc一fe表面復合材料具有很高的硬,其鑄態硬) 60hrc 。
  18. Some tests for liangang sinter adding bos slag have be done in the laboratory and plant trial. the results show that in the range of bos slag percentage, from 0 % to 8 %, with the increase of bos slag percentage, the sinter speed has been lower, but the sinter strength and productivity of sinter product have been higher, the sinter productivity will be the maximum when bos slag percentage is 4 % ; the siner reducibility has been improved, the normal operation of bof will not be effected anymore because of the circulation of p form bos slag

    礦配加轉爐鋼渣進行了實驗室研究和工業試驗,在鋼渣配比0 % 8 %的范圍內進行的研究表明:隨著鋼渣配比的增加,燒結速度稍有下降,礦強成品率均有所提高,利用系數在4 %左右時達到最大值;礦還原性得到改善;鋼渣中帶入的p的循環富集不會影響煉鋼的現行操作。
  19. Adding fuel separately has advantages in micropelletizing of mixture and disadvantages in the permeability of sinter mixture

    果表明:在首都鋼鐵集團公司礦業公司的原料條件下,燃料分加使混合料原始透氣性略微降低、垂直燒結速度加快。
  20. Spark plasma sintering ( sps ) is a kind of new sintering technology for materials synthesis and processing, it has such advantages as high sintering speed, low sintering temperature, it also can retain the origin state of the sintered materials, as such make the sintered materials keep the state of un - equilibrium in this paper, sps was conceived of treating iron covered silicon powder to keeping the origin state of the powder

    放電等離子( sparkplasmasintering簡稱sps )是一種材料快制備新技術,它具有燒結速度快,低,使材料處于遠離平衡狀態,並能保持材料的原有狀態等重要特點。本文設想制各出鐵硅包覆粉末,再利用sps進行遠離平衡狀態的處理,來獲得保持原始粉末自然狀態的合金塊體。
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