燒結變形 的英文怎麼說

中文拼音 [shāojiēbiànxíng]
燒結變形 英文
clinkering strain
  • 燒 : 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 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  1. Molten lead and iron boiled in the marble basin of the fountain ; the water ran dry ; the extinguisher tops of the towers vanished like ice before the heat, and trickled down into four rugged wells of flame. great rents and splits branched out in the solid walls, like crystallisation ; stupefied birds wheeled about and dropped into the furnace ; four fierce figures trudged away, east, west, north, and south, along the night - enshrouded

    熔化的鉛和鐵在噴泉的大理石盆里沸騰，燒幹了泉水滅燭器似的塔樓尖頂在高溫前像冰一樣熔化，滴落下來變作了四個奇形怪狀的火池堅實的墻壁以結晶的紋樣作樹枝形迸裂，迸出了巨大的豁口和裂縫。
  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燒結工藝制備了含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，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，並利用hopkinson高速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，以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  3. The effects of reynolds number, back surface of nozzle, aft - dome configuration and degree of submergence on aft - end internal flow were studied by both cold gas simulation and numerical simulation. it is showed that the separated flow is sensitive to the change of reynolds number and aft - end cavity configuration

    最後，利用冷流模擬與數值模擬相結合的方法，研究了雷諾數、噴管背壁形狀、后封頭形狀和潛入深度對燃燒室尾部流場的影響，結果表明流動的分離對雷諾數和背壁區幾何邊界的變化很敏感。
  4. Moreover, the addition of wollastonite rose the thermal distortion temperature of the sls part, improved the dimensional accuracy of the sls part, and lowered the material cost greatly

    同樣，加入硅灰石后，可使燒結件的熱變形溫度大幅度提高，同時提高了燒結件的尺寸精度，大大降低了材料成本。
  5. Finally, the inlet port and combustion chamber designed and machined is tested on 4100qb. the paper mostly investigates the change of performance targets of the engine that three different grooved chambers including two different re - entrant model and one w model match with various intake port and nozzles, in order to realize the influence of chamber geometry on combustion process. the results analyzed have indicated that re - entrant grooved chambers can enhance the turbulent intension in the chamber, improve the combustion proces of diesel engine on the altiplano, being groove, re - entrant and convex, and have the farther developing potential

    著重研究兩種縮口、一種直口矩形環槽燃燒室與不同進氣道、噴油嘴的組合方案發動機的動力性、經濟性及排放指標的變化，確定燃燒室的幾何形狀對燃燒過程的影響。分析結果表明，由於有矩形環槽、燃燒室縮口以及燃燒室底部凸臺，縮口矩形環槽燃燒室中的紊流得以加強，改善了高原柴油機的燃燒過程，這種燃燒室有進一步發展的潛力。
  6. Especially, when - bi together with a little carbon black ( cb ) or copper salt is used, the catalytic effect is better ; the flame structures of the double - base propellants containing - bi are similar to the typical plateau double - base propellant, but the combustion temperature distribution has been changed because of adding the - bi ; and the active components of catalysts deposit on the burning surface of propellants and the quenched surfaces of propellants with various catalysts possess different structure

    它與銅鹽和少量炭黑（ cb ）復合后，催化效果更優； 2 ， 4 -二羥基苯甲酸鉍加入后，推進劑的火焰結構保持了典型平臺雙基推進劑的結構特徵，但改變了雙基推進劑燃燒波溫度分佈，炭黑和銅鹽的加入對2 ， 4 -二羥基苯甲酸鉍的催化作用有很大影響；催化劑分解的活性組分富集在燃燒表面，不同催化劑使推進劑熄火表面形成不同的結構。
  7. By a lot of trial and error, a new - type lightweight fireproofing board is developed. the test results indicate this production has obvious characteristics such as high temperature resistant, moistproofing, low distortion, and fireproofing limitation of 3h. its safety and toxicity has been examined according to relative national criterion and standard and the results show that no deleterious and poisonous gas is produced after combustion

    經過反復多次試驗、篩選，研製出的隧道防火板質輕，具有一定的柔韌性，便於施工;耐溫、耐潮濕;變形小;耐火極限達3h ;安全毒性方面，參照室內空氣質量檢測標準等規范進行了測試，測試結果為:產品不釋放有害氣體，屬環保型材料;按照國家相關的材料規范檢測其毒性，檢測結果表明，產品在燃燒后不產生有毒有害氣體。
  8. And the finite element method ( fem ) was used to simulate the stress and deformation of the outer casing and the bearing chock. on the basis of the experiments and fem analysis, the strength and fatigue lifetime, the interaction of creep and fatigue lifetime, the creep lifetime of outer casing and bearing chock have been analyzed, at the end of trail, sem analyses of failure section has been conducted

    同時對航空發動機燃氣渦輪外機匣和軸承座進行了有限元模擬計算，得到外機匣和軸承座的焊接處的強度和變形情況的模擬結果。根據試驗數據和有限元的計算結果，對發動機燃燒室外機匣和軸承座兩種結構（包含焊縫）進行靜強度分析、疲勞壽命分析、蠕變壽命分析、蠕變疲勞交互作用壽命分析以及斷口的金相分析。
  9. There are three modes for the invalidation of cuw / crcu integrated contact : splitting from the binding interface of cuw / crcu ; uneven distortion of contact finger and severe eroding loss

    觸頭的動態失效主要有三種方式:在結合面處發生斷裂，嚴重燒損后無法接通，觸指變形。
  10. It is these particles that can change nitriding layer microstructure and that accelerates the layer formation. nitrogen is infiltrated through the surface of metals and it changes the chemical components. as a result, the surface of metal has good performance with high hardness, high resistant attrition, high fatigue strength, high resistant erode and resistant die burn

    這些高能粒子可以改變滲層組織，結構和促進化學反應過程，加速滲層形成，使氮元素滲入金屬表面，從而改變金屬表面的化學成分，使之具有高硬度、高耐磨性、高疲勞強度、高腐蝕能力及抗燒傷性。
  11. This new method has the capability of calculating complicated 3d grain burning surface. dealing with evolving interface of complicated material and topology change ( splitting. breaking. merging ), based on level set method and burning surface process law. this technique can get accurate area of burning surface each moment and data of geometrical structure that provide access to examination of grain change in the srm working process. 2

    結合固體火箭發動機燃面推移規律，在等值面函數法基礎上開發的裝藥燃面演算法能夠成功計算任意復雜三維裝藥燃面，並且具有處理復雜物質邊界及其拓撲結構發生變化（如分裂、破碎、合併）的能力，能夠準確計算出發動機工作過程中各個時刻裝藥的燃燒面積，同時輸出裝藥幾何構形數據直觀地觀察裝藥的變化情況； 2
  12. ( 3 ) there are many flaws in direct laser metal sintering, such as the high remnants stress, micro - hole and micro - crack in sintering parts. in order to solving those problems, the programming of scanning paths is put forward, and several parts are prepared with different scanning paths respectively. the following conclusion is educed : the parts produced with short - side scanning path and same scanning direction have the minimum structure, the rigidity of parts prepared by short - side and same direction scanning path is highest, and the density of parts produced with the vertical scanning path is maximal

    （ 3 ）針對採用大功率激光直接燒結鎳基高溫合金成形金屬零件存在的問題，如較大的殘余應力，製件中存在著微裂紋、微孔洞等缺陷，初步提出掃描路徑的規劃，並採用幾種不同的掃描方式進行燒結試驗，發現採用短邊掃描路徑和同向掃描能夠獲得更加細小和分佈均勻的組織結構，採用短邊同向路徑制備的試樣其顯微硬度最高，而採用變向掃描（垂直）路徑制備的試樣緻密性最好。
  13. The analysis of microstructure of samples showed that the grain of tio2 were very small under 700, the distance of grain became small with temperature increasing, the rate and size of pore was decreasing. the relative density of sample at 900 was 97 % and the grain size of sintered body was about 200nm. when the temperature exceeded 1100, the grain size of body grew up several times ( > 2 m )

    Tio _ 2燒結體sem顯微形貌分析表明：低溫（ 700 ）時坯體內顆粒無明顯長大，燒結體緻密度不高（ 80 ）晶粒間距隨溫度升高而變小，氣孔率也隨之降低，氣孔尺寸變小；當溫度超過900時，晶粒間連接緊密，燒結體內出現大量絮狀物質，緻密度大幅度提高，達97以上，小氣孔已聚集成大孔洞且分佈均勻，晶粒長大不明顯（ 200nm左右） ；當溫度超過1100時，燒結體緻密度有所提高，但晶粒尺寸出現異常長大，長大了十幾倍（達2 m以上） 。
  14. The results show that the a - phase - transformation of pure aach can be completed by heating at 1200 ? for two hours. but under this temperature, the alumina particles will be sintered together, which can lead to the formation of bough - like structures. and these bough - like structure will make the powder difficult to be dispersed

    接著對碳酸鋁銨進行了焙燒實驗，研究了其在升溫過程中的相變行為，結果表明：純aach在1200保溫1 . 5h的情況下才能100轉變為氧化鋁，而在這樣高的溫度下，粒子之間會形成燒結頸，從而使粉體產物在形貌上出現所謂「樹枝狀」結構，給粉體使用時的分散帶來了困難。
  15. Cr particles were enclosed by cr - w solid solution alloy after cr powder and w powder were sintered if the grain size of cr powder is larger than w powder. around cr particles more cr - w solute was formed with prolonging sintering time. during infiltration process, cr was dissolved and moved into the pores in w skeleton by cu liquids and made w skeleton become w - cr skeleton

    粒度較大的cr粉和粒度較小的w粉混合燒結后，形成crw固溶體合金包圍cr塊的組織形貌，燒結時間越長， cr塊周圍形成的crw固溶體越多；熔滲過程中， cr被cu液溶解並轉移到w骨架之間的孔隙中， w骨架則轉變為cr - w骨架。
  16. The addition of y - zro2 improves the fracture toughness of pcd and the grinding ratio also increases with the y2o3 content increasing. the optimum comprehensive properties of pcd can be achieved as the y - zro2 powders contain 2mol % y2o3. aluminum addition in si3n4 or si3n4 bond pcbn can prevent y - zro2 powders from forming the nontransformable tetragonal phase

    在si _ 3n _ 4及si _ 3n _ 4中介結合的pcbn中加入適量的al作為燒結助劑，可以避免不可相變的t相zro _ 2形成，使應力誘導相變增韌高溫高壓燒結的氮化硅系陶瓷成為可能。
  17. The mentioned raw materials used in the production of refractories should be of high purity to limit the amount of low melting phases formed in the sintering process, which can cause spalling in the bricks due to phase changes

    上述提到的用於耐火磚生產的原料應是高純度的，以限制低溶解物資狀態在燒結過程中成形的數量，因為狀態改變會導致磚的散裂。
  18. Based on analyzing sintering and infiltration processes, the effect of infiltration temperature on microstructure and properties of the material was studied when the ratio of w - cr, the porosity of green compact and the sintering process of w - cr skeleton were fixed. the differences of microstructure and properties of the composites with different composition were investigated by same sintering and infiltration processes. the composites were prepared in h2, n2, ar and vacuum conditions respectively

    基於對wcr cu復合材料的燒結和熔滲過程的分析，研究了cr - w配比、壓坯緊實率、骨架燒結工藝相同的情況下，不同熔滲溫度對材料的組織形貌和性能的影響；研究了燒結-熔滲工藝相同的情況下，不同配比對材料組織和性能的影響；研究了h _ 2 、 n _ 2 、 ar和真空四種燒結氣氛下材料組織和性能的變化。
  19. In this thesis, the sls molding properties of some metal - base composite powders composed of metal powder mixed by several regularly used polymers " powder were studied, on the basis of which, a new sls composite material made by 316 stainless steel powder mixed by epoxy powder was developed and produced. the molding technics and adherent mechanism of the material in sls process was analyzed and studied, and the high temperature sintering technics of the green parts of the material was discussed as well

    本文主要針對快速成型的sls方法，研究比較了幾種常用的聚合物粉末添加到金屬粉末中所構成的金屬基復合粉末的成型性，並且研製開發了316不銹鋼粉末與環氧樹脂粉末共混復合粉末作為成型材料，對其sls過程的成型工藝、聚合物粘接機理以及型坯的高溫燒結工藝進行了研究論述，並進一步對型坯的高溫燒結過程、燒結中的收縮變形和燒結后的強度作了分析研究。
  20. Abstract : in one sintering plant, its no. 1 wagon tipper ' s track sur face occurred corrosive pitting and stacking only after short application, and th is effect the normal production seriously. in order to diagnose the plastic defor mation of the track surface, we made test and fem analysis to it, found the re ason of failure, and put out improving measure

    文摘:某燒結廠1號翻車機在使用較短時間后，導軌表面出現點蝕和堆邊現象，嚴重影響正常生產.針對這一問題，對導軌表面塑性變形進行了實測和有限元分析，從而找出了故障原因並提出了改進措施
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