fatigue crack growth 中文意思是什麼

fatigue crack growth 解釋
疲勞裂紋擴展
  • 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...
  • crack : vt 1 使破裂；敲破，敲碎，砸碎（陶器等）；嗑（瓜子等）；【化學】裂化（石油等）。2 把（槍打得、鞭子...
  • growth : n. 1. 生長，成長，發育，發展。2. 栽培，培養。3. 生長物，產物；【醫學】瘤，贅生物。4. 【經濟學】（資本價值與收益的）預期增長。
  1. Numerical simulation to surface fatigue crack growth

    表面裂紋疲勞擴展的數值模擬
  2. Study on low - cycle impact fatigue crack growth behavior

    磷合金和它的伏安行為
  3. Differential equation approximation of fatigue crack growth curve

    疲勞裂紋擴展曲線的微分方程擬合法
  4. Furthermore, the supposition of galvanic couple is drawn into the procedure of corrosion fatigue crack growth of aluminum alloys, the relation of couple current vs loading time is determined with electrochemical methods. a formula in the theory is deduced which expresses the stress corrosion crack growth rate of lc4cs aluminum alloy, the results of mathematical modeling preferably correspond with examination

    再將「耦合作用」的猜想，引入鋁合金的腐蝕疲勞裂紋擴展過程中，用電化學的方法測定耦合電流與加載時間的關系，並從理論上導出lc4cs鋁合金應力腐蝕裂紋擴展速率的數學表達式，數學模擬的結果與實驗值具有較好的一致性。
  5. Research on fatigue crack growth of steels used in construction machinery

    工程機械用鋼焊后疲勞斷裂特性研究
  6. Method for determination of threshold stress intensity factors and fatigue crack growth rates in metallic materials

    金屬材料的閾限應力強度因子和疲勞裂紋增長率的測定方法
  7. 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。
  8. Standard test method for measurement of fatigue crack growth rates

    測量疲勞裂縫增長率的標準試驗方法
  9. Analysis of fatigue crack growth in concrete and the anti - cracking mechanism of fiber

    混凝土疲勞裂縫擴展及纖維阻裂機理的研究
  10. Metallic materials - fatigue testing - fatigue crack growth method

    金屬材料.疲勞試驗.疲勞裂痕增長試驗
  11. Fatigue experiments were performed to obtain the fatigue lifetime under the different loading. the parameters for law of the fatigue crack growth were obtained by crack growth experiments. in order to study the fatigue characteristics at high temperature, creep tests were also done

    本文對多種典型焊接試件開展了諸多的試驗研究工作：進行單軸靜載拉伸試驗以確定構件的強度；進行疲勞壽命試驗以測得疲勞壽命曲線；進行疲勞裂紋擴展試驗以獲得試件的疲勞裂紋擴展規律paris公式；進行蠕變試驗以考察焊接試件疲勞持久特性；進行剩餘壽命試驗以獲得試件的剩餘壽命。
  12. Standard test method for fatigue crack growth rates of metallic materials

    金屬材料疲勞裂紋擴展速率試驗方法
  13. Simulative investigation of fatigue crack growth at steel - concrete interface

    鋼筋混凝土界面疲勞裂紋擴展模擬研究
  14. ( 1 ) the data of fatigue crack growth rates at high temperature for four materials are gained. the laws of fatigue crack growth with temperature are researched

    （ 1 ）首次獲得了四種材料較為完整的高溫疲勞裂紋擴展數據，探索了這些材料隨溫度變化的疲勞裂紋擴展規律。
  15. The result of research enriches the trial method, get the fatigue crack growth laws of four kinds of pressure vessel materials at high temperature. provide a kind of numeric method

    本文的研究結果，豐富了試驗方法;得到四種壓力容器材料的高溫疲勞裂紋擴展規律;對疲勞裂紋擴展路徑判定提供一種計算機方法。
  16. We conduct fatigue crack growth experiment with four kinds of materials through the method, and get complete date of four kinds of materials " fatigue crack growth at first time. and also gain the laws of these four kinds of materials " at between 25 and 550 separately, that is the coefficient and exponent of paris ' s formula. meanwhile finding out the laws of fatigue crack growth of these four kinds of materials with the temperature changing

    採用上述試驗方法對四種材料高溫疲勞裂紋擴展行為進行試驗研究，首次獲得了16mnr 、 21 / 4cr1mo 、 21 / 4cr1mov和316l四種材料較為完整的高溫疲勞裂紋擴展數據，並得到四種材料在25 550溫度條件下的疲勞裂紋擴展規律表達式（即所對應的paris公式的系數和指數） ，找到了這些材料隨溫度變化的疲勞裂紋擴展規律。
  17. Effect of temperature on the fatigue crack growth rate of austenitic material is more evident than that of bainite material

    溫度對奧氏體材料疲勞裂紋擴展率的影響更大。
  18. Increase of fatigue crack growth rates of 316l at elevated temperature mainly results from the drop of material intensity and elastic modulus

    由於溫度升高316l的彈性模量和強度下降，因此奧氏體材料疲勞裂紋擴展速率隨著溫度升高而提高。
  19. Fatigue crack growth rate of rotor steel under the condition of subcritical temperature

    亞臨界溫度條件下轉子鋼疲勞裂紋擴展速率
  20. ( 3 ) both oxide - induced closure and embrittlement of grain boundaries take place for 2 - cr1mo and 2 - cr1mov at high temperature. the change of fatigue crack growth rates with temperature is not so evident as 316land 16mnr

    裂紋表面氧化引進的閉合效應和晶界脆化相對比較均衡，裂紋擴展速率隨著溫度升高的變化沒有鐵素體和奧氏體材料明顯。
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