fatigue-fracture 中文意思是什麼

fatigue-fracture 解釋
疲勞斷口
  • 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...
  • fracture : vt. ,vi. （使）破裂；（使）折斷；（使）斷裂。n. 1. 破裂，折斷，斷裂。2. 裂痕，裂縫，裂面。3. 【醫學】挫傷，骨折。4. 【礦物】斷口；【地質學；地理學】斷層。
  1. The fatigue fracture occurred in the root of the screw where defects such as decarburization and cracks existed, and these defects made the zone to be a stress concentration area and caused the bolts to break finally

    疲勞裂紋的形成是由於螺紋牙底存在脫碳和折疊裂紋等缺陷，這些缺陷的存在使該材料產生了較大的應力集中，從而導致螺栓開裂失效。
  2. Analysis for early fatigue fracture of control handles

    操縱桿早期疲勞斷裂分析
  3. Thermal fatigue fracture

    熱疲勞斷裂
  4. Fatigue - fracture mechanism of main bearing cage for aircraft engine

    航空發動機主軸軸承保持架疲勞斷裂機理
  5. Fatigue fracture mechanics

    疲勞斷裂力學
  6. The selections of electron microscope magnifying multiple and measuring size in fatigue fracture fractal measure are studied in this paper, and the improved treatment of secondary electron lines scanning fractal dimension, is applied successfully to the measuring of ti alloy welded joint fracture fractal dimension and the valuable selective range of fractal dimension measuring parameter is got, which is very important to further research

    本文應用數據處理技術研究了疲勞斷口分維數測量中電鏡放大倍數及測量碼尺的選擇問題，改進了二次電子線掃描分維數處理方法，並成功地應用於鈦合金焊接接頭斷口分維數的測量，得到了有價值的分維數測量參數的選擇范圍，對進一步的研究具有重要意義。
  7. Fatigue fracture of internal combustion engine crank is important reason of accident in the process of equipment operation

    內燃機曲軸在設備運行過程中的疲勞斷裂是造成事故的重要原因。
  8. But, for the reflective cracking of asphalt pavement with half rigid base course and the cracking of the ac overlay above joints ( cracks ) in existing pcc pavement, the results of research show that the fatigue life of ac layer is mainly the life of the crack propagating stage. so the theory and method of fatigue destructive mechanics ( fatigue fracture mechanics and fatigue damage mechanics ) should be used to study and design the pavement structures instead of traditional fatigue mechanics

    而對於半剛性基層反射裂縫和舊水泥混凝土路面瀝青混凝土加鋪層接縫（裂縫）開裂，研究發現，瀝青結構層的疲勞壽命主要為裂縫擴展階段的壽命，此時不應採用傳統的疲勞力學進行研究和結構層設計，而應採用疲勞破壞力學（疲勞斷裂力學和疲勞損傷力學）理論與方法。
  9. There exists pronounced difference in the fatigue fracture at room temperature and 400

    常溫疲勞斷口和高溫疲勞斷口有著較大差別。
  10. Fatigue experiment of the full - scaleequalizing bar of bulldozer andanalysis of the fatigue fracture

    推土機平衡梁全尺寸疲勞試驗及疲勞斷口分析
  11. Then uses the methods such as robert, sobel to detect the edge. finally, uses the method of fourier to extract the vein feature of the shell pattern so as to make computer identify the fatigue fracture

    然後採用robert 、 sobel等演算法進行邊緣檢測，最後採用fourier變換來提取貝殼紋花樣的紋理特徵值，實現計算機對疲勞斷口的識別。
  12. According to the measuring result of fatigue fracture fractal dimension, it gets the relationship curve of ti alloy tc11 welded joint fracture fractal dimension with loading strain range, and the method of fatigue life forecasting fatherly. 3

    根據疲勞斷口分維數的測量結果，獲得了tc11鈦合金焊接接頭斷口分維數與其疲勞壽命的關系曲線，以及斷口分維數與最大加載應變之間的關系曲線，給出了進一步疲勞壽命預測的方法。
  13. The formation of 3. 5 % nacl solution is almost similar to that of 3. 5 % nacl thin electrolyte layer, just the mass transfer rate of the oxygen in the layer is more quicker than in the solution ? the test shows that the crack growth rate of wet - corrosion fatigue of lc4cs aluminum alloy in the layer is quicker than in the solution, and also shows that morphology of fatigue fracture in the layer is evidently distinguished from in the solution

    3 . 5 nacl溶液和3 . 5 nacl薄液層的化學組成幾乎完全相同，只是薄液層中氧的傳質速率較快。實驗結果顯示了在薄液層中， lc4cs鋁合金的濕腐蝕疲勞裂紋擴展速率，大於在3 . 5 nacl溶液中的速率。實驗還發現其疲勞斷口的形貌，也與3 . 5 nacl溶液中的有明顯區別。
  14. 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。
  15. In practical application, the m10 180 bolts, which are installed in the head cover of the torque divider of ts5560 special automobile, sometimes fracture all of a sudden. according to the tests of acceleration, stress and strain, and the exciting test, it is resonance vibration that leads to the compound - bending fatigue fracture of the bolts. the exciting force caused by drive system, transmitted through the torque divider, produces a 1000 - 1500hz cyclical excitation at the junction of the bolts and head cover, which causes the first order bending resonance vibration of the bolts

    通過加速度、應力應變測試實驗和激振試驗的研究，發現ts5560特種車分動器取力器氣缸端蓋m10 180螺栓斷裂問題是由於共振引起的雙向彎曲疲勞斷裂：傳動系統工作所產生的激勵，經過分動器結構的傳遞（特別是分動器一階扭轉模態的放大） ，在螺栓的連接處產生1000 1500hz的振動激勵，其導致螺栓一階彎曲共振，在螺栓一階彎曲模態的阻尼比較小的情況下，使得螺栓產生較大的共振響應，導致螺紋處的彎曲動應力較大，疲勞壽命較低。
  16. In the third part, taking advantages of the tests of acceleration, stress and strain, the exciting test, and modal analysis method, it is found out that resonance vibration leads to the compound - bending fatigue fracture of the bolts. accordingly, a series improvement measures are proposed

    第三章通過對分動器及長螺栓、短螺栓的加速度、應力應變測試分析實驗和激振試驗、模態分析研究，確定螺栓斷裂問題的根源在於共振響應導致疲勞斷裂，並提出了一系列的改進措施。
  17. In spite of that, the cracks propagate stably in specimens for all types of tests. thus the paris formula can be used to describe the fatigue crack propagation, and the values of fatigue fracture parameters in the paris formula are regressed by using the results of fatigue damage and stress intensity factors computation

    盡管如此，不論對哪種疲勞試驗，其試件疲勞裂縫擴展主要表現為穩定擴展，可以運用paris公式描述疲勞裂紋擴展階段，並利用疲勞損傷數值模擬計算結果和裂縫擴展過程中的應力強度因子回歸了疲勞裂縫擴展速率公式中的疲勞斷裂參數。
  18. Basing on the method of approximate mechanics, the mechanical behavior and fatigue fracture characteristic of steel bridge asphalt mixture surfacing under repeated load was analyzed

    摘要採用力學近似方法，對鋼橋面瀝青混合料鋪裝層在循環荷載作用下的力學行為和疲勞損傷特性進行了理論分析。
  19. The most important reason for fatigue fracture of high strength bolts is stress concentration

    應力集中是高強螺栓發生疲勞斷裂最主要的原因。
  20. The results indicate that the fatigue fracture in early stage on the coupler was caused by lower silicon content, worse mechanical property and improper mechanical processing

    結果表明，由於聯軸節硅含量太低、力學性能不好、機加工不當，導致聯軸節早期疲勞斷裂。
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