fatigue deformation 中文意思是什麼

fatigue deformation 解釋
疲勞變形
  • fatigue : n 1 疲乏，勞累；勞苦；累活。2 【機械工程】（金屬屢經打擊等后的）疲勞。3 【醫學】（組織、器官等對...
  • deformation : 變形,走樣
  1. The fatigue behavior of strength, stiffness, and deformation of concrete is analysed systematically. the fatigue equation is established. the empirical expressions of the total longitudinal strain and the elastic modulus are given, and the relationships between the increasing rate of the total second - stage strain and the decreasing rate of the elastic modulus with the cyclic number are obtained

    系統地分析了砼抗拉、拉-壓疲勞強度、剛度、變形規律；建立了相應的s - n關系，提出了縱向總應變、彈性模量的經驗公式，及其第二階段總應變增長率、彈性模量衰減率分別與疲勞壽命的關系式。
  2. Effect of deformation twins on fatigue property of 50crv4 auto spring steel

    4汽車彈簧鋼疲勞性能的影響
  3. Effect on the characteristics of fatigue life of composite soils and dynamic modulus were discussed. the deformation behavior of stabilized soil on static and dynamic loading were compared. the characteristics of frequency spectrum of composite soils were analyzed in the thesis

    對水泥?水玻璃加固土進行循環荷載下的疲勞試驗研究，分析水泥?水玻璃加固土的疲勞壽命及其影響因素，以及固結土的動模量特徵，並對水泥土在動、靜荷載作用下的變形特徵進行比較，分析對比不同振幅與頻率的動荷載作用下的水泥加固土的應變響應及其頻譜特性。
  4. Fatigue property and superplastic deformation of bulk amorphous alloys

    塊體非晶態合金的疲勞性能與超塑性變形
  5. Based on test result of load - deformation hysteresis curve under cyclic load, fatigue damage variable is defined from energy angle, the change rule of fatigue damage is pointed out

    通過對循環加載下裂隙試樣滯回特性和滯回能試驗結果的分析，從能量的角度定義了損傷變量，並指出了疲勞損傷的發展規律。
  6. The results of quantitative analysis showed that the pre - tension deformation reduced the fatigue crack propagation threshold and increased the crack propagation coefficient, and consequently decreased the fatigue resistance of the part with mechanical damage

    定量分析表明：預拉伸變形降低了疲勞裂紋擴展門檻值，提高了裂紋擴展系數，從而使管線在機械損傷的部位疲勞抗力降低。
  7. Based on real time ct testing, primary testing study of fatigue failure and deformation mechanism of red sandstone has been completed under uniaxial compression condition

    摘要基於對裂隙巖石的細觀ct試驗，對含有單一裂紋的貴溪紅砂巖在單軸疲勞荷載作用下的損傷擴展機理和演化過程進行了初步的試驗研究。
  8. The changing carbon potential carburization - hot oil matrempering technology of helical bevel gear for automobile driven axle is introduced in this article. the board test and production application show that the technology not only quenchs directly gear after carbrization, but also decreases the heat treatment deformation and raises the contact fatigue life of gear

    介紹了汽車驅動橋螺旋錐齒輪的變碳勢滲碳一熱油分級淬火工藝，臺架試驗及生產應用表明，該工藝與專用滲碳淬火掛具相結合，不僅可實現齒輪滲碳后直接淬火，而且熱處理變形小，齒輪接觸疲勞壽命也有所提高。
  9. 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。
  10. In this dissertation, the effect of texture, heat - treatment, and hydrogen on the lcf behavior of zircaloy - 4 and the cyclic deformation behavior for zircaloy - 4, n18 alloy and n36 alloy have been investigated systematically using fully - reversed tension - compression loading under strain control ( r = min / max = - 1 ), while the evolvement of the friction and back stresses versus the number of repeated working cycles and the plastic strain amplitude has been studied, and the thorough discussion combined with the analysis result of fatigue sub - structure, friction and back stresses, and fatigue fracture has been given to the mechanism underlying the lcf behavior of alloys

    本文採用對稱拉壓循環變形方法（ r _ = _ （ min ） _ （ max ） = - 1 ） ，系統研究了織構、熱處理狀態、氫對zr - 4合金低周疲勞性能的影響， zr - 4合金、 n18合金和n36合金的循環變形行為，並研究了摩擦應力、背應力隨循環周次、塑性應變幅的變化規律。結合疲勞亞結構和疲勞斷口的分析結果，深入探討了影響合金低周疲勞行為的作用機制。
  11. The residual deformation around the hole was measured by digital speckle correlation technique and the relation curves of residual strain at the side of hole vs fatigue life cycles were obtained

    再應用數字散斑相關技術測量了不同疲勞循環次數后孔周的殘余變形場，並給出了孔邊最大殘余應變與疲勞循環次數的關系曲線。
  12. Testing study on fatigue deformation law of red - sandstone under triaxial compression with cyclic loading

    周期荷載作用下紅砂巖三軸疲勞變形特性試驗研究
  13. In this article, a new theoretical model on diametral growth ( or ballooning ) of coiled tubing ( ct ) under the action of an internal pressure is derived based on fatigue cyclic softening and elasticity and deformation plasticity theories

    根據疲勞循環屈服強度衰減模型和彈塑性變形理論，推導了連續油管在內壓作用下的直徑增長（鼓脹）的理論模型。
  14. Abstract : in this article, a new theoretical model on diametral growth ( or ballooning ) of coiled tubing ( ct ) under the action of an internal pressure is derived based on fatigue cyclic softening and elasticity and deformation plasticity theories

    文摘:根據疲勞循環屈服強度衰減模型和彈塑性變形理論，推導了連續油管在內壓作用下的直徑增長（鼓脹）的理論模型。
  15. The fatigue crack initiation life of x60 pipeline steel after pre - tension deformation

    60管線鋼疲勞裂紋形成壽命的影響
  16. Testing study on fatigue deformation law of rock under cyclic loading

    周期荷載作用下巖石疲勞變形特性試驗研究
  17. Based on a large numbers of model / simulation test of the intermittent cracked rock - like samples, fatigue strength, fatigue deformation and crack appear in preexisting cracks tips, the growth of crack, the pattern of crack coalescence are studied / analysed systemically by means of cyclic load and static load, in the course of the model test, the difference between cyclic load and static load of crack appear in preexisting cracks tips, the growth of crack and the pattern of crack coalescence are observed and analysed

    在試驗過程中，觀察並分析了循環加載方式下，預置裂隙端部裂紋萌生、擴展、巖橋貫通模式與靜載方式下的差異；探討了疲勞裂紋萌生、擴展的機理，分析了加載頻率、荷載水平對裂隙試樣疲勞強度、疲勞變形（總變形和不可逆變形）的影響規律。
  18. The microscopic plastic deformation of the local crazes cause the change of crack opening loads. therefore, the fatigue crack closure concept could be introduced. a crack closure model of mdyb - 3 pmma were recommended and phenomenologically formulated for positive and negative stress ratios separately, according to the testing results of fatigue crack propagation

    本文討論了有機玻璃疲勞裂紋擴展機理，提出，銀紋的形成是裂紋形成和擴展的基礎，從微觀上解釋了裂紋形成和擴展的原因，並結合金相分析結果，明確提出塑變誘導閉合和粗糙誘導閉合是有機玻璃疲勞裂紋面閉合的兩個主要原因，成功的解析了裂紋面的閉合現象。
  19. Feather and down. determination of the permanent deformation after dynamic fatigue stress under constant load

    羽毛和羽絨.恆定負荷動態疲勞應力下永久變形的測定
  20. Feather and down - determination of the permanent deformation after dynamic fatigue stress under constant load

    羽毛和絨毛.固定負荷下動態疲勞應力永久變形的測定
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