high cycle fatigue 中文意思是什麼

high cycle fatigue 解釋
高周疲勞
  • high : adj 1 高的〈指物，形容人的身高用 tall〉；高處的；高地的。2 高級的，高等的，高位的，重要的。3 高尚...
  • cycle : n 1 循環，周期，一轉。2 周時，周年，年紀。3 （詩、故事等的）始末。4 自行車，三輪車，摩托車。5 【...
  • 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...
  1. First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed

    本文介紹了微動損傷的機理和微動疲勞壽命的研究方法；利用ug軟體對燕尾榫聯接結構創建了參數化實體模型；基於ansys軟體平臺求解彈性接觸問題，獲得了榫聯接結構接觸應力及接觸狀態量的分佈；在已有微動疲勞壽命預測模型的基礎上，引入載荷頻率影響因子，對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測，與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是有效的。
  2. Test research of ultrahigh - cycle fatigue behavior of high strength steel

    高強度鋼超高周疲勞特性試驗研究
  3. In this paper, the high - temperature low - cycle fatigue life and fatigue crack propagation life tests are carried on the cylindrical axial symmetry specimens having precrack or non - precrack with different types of notches of 16mnr steel in common use in the petrochemical industry contacting coke drum equipment, the stress / strain and the range of stress / strain of dangerous points are received through stress analysis of the specimens using finite element program under multi - axial stress state. at last, the equations of evaluating the high - temperature low - cycle fatigue life and the fatigue crack propagation life are found through using the least - square regression method

    本文採用無預裂紋和帶預裂紋環狀缺口圓柱形試樣，進行了石化焦炭塔設備常用材料16mnr多維應力狀態下不同缺口形式的高溫低周疲勞總壽命試驗及裂紋擴展壽命試驗，並利用有限元程序對試樣缺口周圍及裂紋尖端附近進行了軸對稱多維應力狀態下的應力、應變場分析，來評價材料不同條件下的高溫低周疲勞總壽命和裂紋擴展壽命，最後利用最小二乘回歸方法，得到了該材料高溫低周疲勞總壽命和裂紋擴展壽命評價方程。
  4. Based on the experimental data of rotor steel 1crmov in the loading of low - cycle fatigue at high temperature, the strength behavior and the fatigue life curve of this material at 550 have been achieved. meanwhile, with respect to three kinds of notched bar, their material damage assessment method under multiaxial stress condition is discussed

    本文在1crmov材料的高溫低周疲勞實驗數據進行了整理和統計的基礎上，得到了材料的疲勞強度特性曲線和疲勞壽命曲線，同時對三種不同缺口形式的圓柱形試件進行了多軸應力狀態下的材料損傷的研究，並通過數值計算方法進行了疲勞壽命評估。
  5. According to our experimental investigations of varying load amplitude, it was found that the phenomena of fatigue crack growth retardation occurred for pmma material following a high overload cycle exerted among the regular constant amplitude load cycles, the ratio of peak value of overload to that of the regular cycles should be over at least 1. 35 to make the retardation taking effect. the experiment scheme for measuring the shutting - off ratio of overload ( defined as the overload ratio when da / dn < 10 - 7 / cyc. )

    本文試驗分析了變幅載荷對裂紋擴展的影響，證實了有機玻璃也存在超載遲滯現象，通過金相觀察分析，提出超載遲滯的過程實際上是裂紋前緣萌生新的裂紋的過程的觀點，同時提出超載遲滯的合理的解析，並且給出超載遲滯比，為隨機載荷下疲勞擴展模型的建立提供了一個重要的參數。
  6. Prediction for intermediate and high cycle fatigue lifetime of notched metallic plates

    含缺口金屬構件的中高周疲勞壽命預測
  7. The abilities of resisting the incubation of fatigue crack in ast101a and alti101a were tested with the high - cycle fatigue method. a method combining the maximum likelihood estimation method with the correlation coefficient method was suggested to analyze the fatigue life experimental data some of which were incomplete. the s - n curve and p - s - n curves were presented, and the influence of the loading history and the defects in specimen on fatigue life was discussed

    通過高周疲勞測試方法研究了ast101a和alti101a抵抗疲勞裂紋萌生的性能，把最大似然法和相關系數法結合起來處理不完全疲勞壽命數據，給出了ast101a的s ? n曲線、 p ? s ? n曲線和疲勞極限，討論了加載歷史、缺陷等對疲勞壽命的影響。
  8. Derived from the elements of the continuum mechanics, the applied fatigue damage mechanics theory system of material is analyzed, and the corresponding rule of cumulative fatigue damage is built up. combined with the applied theory of fatigue damage, a damage mechanics model for high cycle fatigue is deduced

    從連續性介質力學的基本原理出發，分析了材料的應用疲勞損傷力學體系，建立了相應的損傷累積規律，並結合現有的疲勞損傷應用理論，推導出一個高周疲勞損傷力學模型。
  9. Recent advances of multiaxial high cycle fatigue under nonproportional loading

    多軸非比例加載高周疲勞研究進展
  10. On fatigue life in very high cycle range 107 109 of chinese ly12 aluminum alloy

    12合金的超高周疲勞性能研究
  11. The study on high - temperature low - cycle fatigue life and fatigue crack propagation life under multi - axial stress state shows that the fatigue life and fatigue crack propagation life can be characterized by the equivalent plastic strain range p, the equivalent creep strain range c and the equivalent strain range, and do n ' t exit notch dependency, non - notch - dependency equations being given in the paper

    ） _ c和當量應變范圍（ ? ）進行多維應力狀態高溫低周疲勞總壽命及裂紋擴展壽命評價是可行的，且不存在缺口依存性。並給出無缺口依存性的疲勞總壽命評價方程。
  12. Method of high temperature low cycle fatigue testing for metallic materials

    金屬材料的高溫低循環疲勞試驗方法
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