殘余壓應力 的英文怎麼說

中文拼音 [cányúyāyīnglì]
殘余壓應力 英文
rasidual compressive stress
  • 殘 : Ⅰ形容詞1 （不完整; 殘缺） incomplete; deficient 2 （剩餘的; 將盡的） remnant; remaining 3 （兇惡...
  • 余 : Ⅰ動詞（剩下） remain; leave: 9減4 余 5。 nine minus four is five ; four from nine leaves five ; i...
  • 壓 : 壓構詞成分。
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 余壓 : exce pre ure
  1. In the hogging condition, double bottom and the side shell remain the ultimate bucking strength, deck and upperwing tank remain the yield stress, and the other parts keep elasticity. then the key to calculate the ultimate strength of ship hull girders is to ascertain the ultimate bucking strength of the stiffened panels. in this regard, the developed formulation is designed to be more sophisticated than previous simplified theoretical method for calculating the ultimate strength of stiffened panels under combined in - plane bending and lateral pressure. fabricatio n - related initial imperfections ( initial deflections and residual stresses ) are included in the panel ultimate strength calculation as parameters of influence. all possible collapse modes involed in collapse of stiffened panels, including overall buckling collapse, column or beam - column type collapse, tripping of stiffeners and local bukling of stiffened web are considered

    確定了船體梁整體破壞時的剖面應力分佈之後，關鍵在於確定板架的極限屈曲強度。本文充分考慮了在縱向彎曲、橫向壓力作用下加筋板可能發生的幾種破壞模式，即板架的整體屈曲破壞、樑柱形式的破壞、筋的側傾、腹板的屈曲並同時考慮了初始焊接殘余應力、初撓度的影響，使其更精確的計算加筋板的屈曲強度。對于加筋板中加強筋腹板的局部屈曲，採用解析法推導出筋的腹板的撓度方程及其邊界條件，求解相應的方程，從而計算出腹板的局部屈曲應力。
  2. The influence of the hydrotest on welding residual stress

    壓力試驗對焊接殘余應力的影響
  3. Abstract : thermally induced stress and the relevant warpage cause by inappropriate mold design and processing conditions are problems that confounded the overall success of injection molding. a thermorheologically simple thermoviscoelastic two - dimension material model is used to simulate the residual stress and warpage within injection molded parts generated during the cooling stage of the injection molding cycle. the initial temperature field corresponds to the end of the filling stage. the fully time - dependent algorithm is based on the calculation of the elastic response at every time step. numerical results are discussed with respect to temperature and pressure

    文摘:不均勻的熱殘余應力及其變形是注塑成型加工中常見的工程問題之一.應用熱流變簡單材料的二維熱粘彈本構方程得到的遞推公式，數值模擬了成型中的熱殘余應力及其翹曲變形，並用數值實驗討論了溫度、壓力對注塑件殘余應力及變形的影響，發現溫度變化不均勻是注塑件翹曲變形的最主要原因，其影響遠大於壓力的作用，與工程實驗的結論一致
  4. In metal matrix composites, thermal residual stresses will arise due to get ( coefficient of thermal expansion ) mismatch between matrix and fiber during cooling

    在擠壓鑄造的金屬基復合材料中，由於基體和纖維的熱膨脹系數相差很大，所以在制備過程中由高溫（工藝溫度）冷卻至室溫時復合材料中會有熱殘余應力產生。
  5. Is the residual stress around a cold expanded hole undercyclically tensile applied stress monotonically attenuating

    交變載荷下冷擠孔邊壓殘余應力衰減的非單調性
  6. In the process of sputtering, it is important to characterize the thickness and residual stress of plct films. in experiment. through the technology of x - ray

    基於掠入射x射線衍射（ gixrd ）的殘余應力測量表明，射頻磁控濺射plct薄膜中為壓應力。
  7. The paper mainly discussed the reasons of stress from liquid ammonia pressure vessel causing crack through examing data and experimental results and analysing relevant referential documents and materials, taking 1200 ammonia vessel ' s crack and leaking in a certain fertilization company as an example : there existed remaining welding, stress in the equipment ; there existed a stress decaying surrounding, i. e., moisture 0. 2 %, and temperature > - 5 with o2 or co2 inside ; the higher the intensity of raw materials, more possible it was to have stress decaying crack

    摘要以某化肥公司1200氨冷器殼體開裂泄漏的失效分析為例，通過對檢驗數據和結果及有關文獻資料的分析研究，探究了液氨介質壓力容器產生應力腐蝕裂紋的原因：設備中存在較高的焊接殘余應力；液氨介質具備應力腐蝕環境，即含水量0 . 2 % ，且有空氣（ o2或co2 ）污染（或摻入） ，使用溫度高於零下5 ；母材強度越高，應力腐蝕裂紋產生的傾向就越大。
  8. Through analyzing the effect of temperature and nitrogen on crude oil viscosity the influences of different nitrogen injection volume and injection modes on steam displacement are contrasted, the mechanism of nitrogen - assisted steam stimulation is clarified, which includes : heat carrying capacity is raised, the saturation of remaining oil is reduced after nitrogen - assisted injection is made ; crude oil flow is enhanced because of nitrogen compression and dispersion and the change of oil flow shape ; water back - production rate is improved by expanding the steam sweep volume and compensating in - situ energy ; steam distillation effect is enhanced

    通過分析溫度、氮氣對原油粘度的影響，對比不同注氮量、不同注入方式等對蒸汽驅油效果的影響，弄清了氮氣輔助蒸汽增產的機理主要表現在：氮氣輔助后增加攜熱能力，降低殘余油飽和度，氮氣的壓縮膨脹作用分散和改變了原油流動形態，增強了原油流動性；擴大蒸汽的波及體積，補充地層能量，提高回採水率，強化蒸汽蒸餾效應。
  9. Therefore one of efficiency means to solve cracking problem of runners is to change distribution of welding residual stress of blades, to decrease welding residual tensile stress in the dangerous area of blades or even turn to compressive stress

    因此，改變葉片焊接殘余應力的分佈狀態，降低葉片危險區域的焊接殘余拉應力峰值，甚至將危險區域的拉應力轉變為壓應力，是解決轉輪裂紋問題的有效途徑之一。
  10. The results of fe simulation shows that the mental package made abroad has lower thermal stress and higher reliability during working and manufacturing process than that made in china. it is mainly because that the two packaging structures were manufactured in different forming processes : one was punched and the other was brazed

    有限元計算的結果表明，採用沖壓一次成型的國外封裝外殼比採用異材壓焊的國產封裝外殼的工作熱應力和製造殘余熱應力要小很多，具有更高的可靠性。
  11. By simulating the excavation course of foundation pits and starting with the change of stress field, the regularities of remanent strength and static earth pressure of viscous soil mass under excavated plane are analyzed so that the influence depth due to soil mass excavation unloading may be determined

    摘要模擬基坑開挖過程，由應力場變化方面入手分析開挖面以下粘性土體殘余強度和靜止土壓力的規律性，以期確定土體開挖卸荷的影響深度。
  12. The critical crack and stress put forward provides theoretic foundation for monitoring portal machine. 3. applying steady theory of board, studying the problem of early curvature, flexibility model, welding remaining stress, elastic transmutation and brace condition and so on, conclude that structure of beam is primary place where metal structure of portal crane lose stabilization and the break of main beam is result of losing partial stabilization of main board

    文章提出的界限應力和臨界裂紋對于港口機械的監測提供了理論依據； 3 、運用板的穩定理論，探索了作為薄壁構件的門機金屬結構在失穩破壞中所涉及到的初曲率問題、彈性模量問題、焊接殘余應力問題、彈塑性變形問題以及支承條件問題等，得出了門機金屬結構發生失穩破壞的主要部位為臂架結構，且主臂架的折斷是由於受壓翼板局部失穩引起整體破壞； 4 、探討了焊接對結構承載的影響。
  13. The aims of this thesis are buckling and ultimate strength. its main content is as follows : emphasizes the significance and purpose of the research in buckling and ultimate strength, and reviewing the status in this field, and puts forward the research task ; analyzes and discusses the design formulations for the buckling strength of the ship plating, in which the influence of residual stresses, lateral pressure, cut - outs and rotational restrains is taken into account

    本文以船體板的屈曲和極限強度為研究目標，主要內容有： ?指出研究船體板屈曲和極限強度的意義和目的，簡要回顧了國內外的研究現狀。並提出本文的研究內容； ?考慮殘余應力、側向壓應力、開孔和扭轉約束對于板格的屈曲強度的影響，討論了各個因素影響下的板格的屈曲強度計算公式。
  14. The mechanism of reinforcing steel bar under the press or pull is researched and the characteristics under the pull - press cyclic loading is studied in composite foundation. it shows that the stress concentrating on the reinforcing steel bar and the increasing stress can be seen with the increasing of cyclic times. residual strain always exists after unloading without considering the size of pullout force and increases slowly with the cyclic times

    探討了復合地基中抗拔鋼筋的受壓受拉機理及在拉壓循環荷載作用下的性狀，研究發現，隨拉壓循環次數的增加，應力向鋼筋集中，鋼筋承受的壓力隨著增大；無論上拔力大小，卸載后都有殘余變形，並隨著拉拔循環次數的增加而緩緩增加；抗拔碎石樁破壞性狀明顯，可明確的得到抗拔碎石樁的破壞荷載。
  15. There are three types of wrinkle which frequently occur in the sheet metal forming process : flange wrinkling, wall wrinkling, and elastic buckling of the undeformed area owing to residual elastic compressive stresses

    在金屬板料成型加工中通常存在三種類型的起皺現象：法蘭起皺，側壁起皺，和由於殘余壓應力在未變形區產生的彈性變形。
  16. Bias voltages exert a small effect to the residual stress of al coatings, but do a considerable effect to the coatings composition such as the preferential sputtering in al - zn coatings at - 100v

    偏壓對鋁鍍層殘余應力的影響較小，且總體變化不大，但在- 100v偏壓下， al - zn鍍層的成分有明顯的擇優濺射現象。
  17. Above elaborated explains two points : first, although there are many advantages of the computer simulation, but can not be completely divorced from or replace tests, finally is must depend on experiments performs to confirm. second, computer simulation is a trend to replace test, but the key question is to resolve the model error. in view of former, the author of this study focusing on the principle of emphasize the test, researched the techniques factors of the components of the vehicle body works on the anti - collision capability

    殘余應力會有一定程度的釋放，材料的強化會隨之變化，那麼以往的研究中之考慮了沖壓成型階段帶來的厚度分佈不均和殘余應力、應變，卻忽視了由於高溫固化時溫度升高所帶來的殘余應力釋放，這樣最終會直接影響到碰撞模擬模擬的精度，從而導致車身結構的碰撞安全性指標的不精確。
  18. Finally, a non - linear finite element method on the basis of the classical plastic theory was introduced to analyze the distribution of residual stress field in the filament winding layers and metal liner after the autofrettage process

    採用經典塑性理論為基礎的非線性有限元方法，預測了預超壓工藝后容器復合材料纏繞層和金屬內襯內殘余應力場的分佈。
  19. By varying mo - to - si ratio ( ), stress in multilayers - can be compensated to a certian extent / and 13mpa low - stress mo / si multilayers is fabricated. this research is supported by the national natural science foundation of china and " 863 " project of china and innovation foundation of china academy of sciences

    實驗發現，通過改變多層膜兩種材料的比率、改變ar氣工作氣壓等方法，可以在一定程度上補償因貫穿擴散產生的壓應力，而採用同時改變比率和ar氣工作氣壓可以控制多層膜中殘余應力。
  20. On basis of numerical simulation, the optimized weling technological has been vadidated and adjusted by plane test, results show that residual stress of both ends welded in advance can be decreased by the interspace welded later, and decreasing effect is the most obvious in the 50mm range of the interspace ; for local heating, it is 60mm from the edge of heated area to decrease residual stress

    通過平板試驗得到了分段焊與局部加熱合理工藝參數，並在此基礎上，對轉輪的焊接殘余應力場進行了調整與控制，使葉片出水邊危險區域附近產生了較大的殘余壓應力，且轉輪整體的殘余應力水平低於轉輪材料屈服極限的三分之一。
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