fatigue at high temperature 中文意思是什麼

fatigue at high temperature 解釋
高溫疲勞
  • 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...
  • at : 1 Air Transport（ation） 2 【電學】 ampere turn 3 antitank 4 Atlantic Time 5 alternative technolo...
  • 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...
  • temperature : n. 1. 溫度，氣溫。2. 體溫。3. 〈口語〉發燒，高燒。
  1. 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。
  2. 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。
  3. So far, many studies on general properties of 3d - c / sic have been carried out, but the study on its interaction fatigue - creep and thermal shock behavior, especially at high temperature, has not been reported

    文獻中對其常規力學性能研究較多，而對其熱震和疲勞蠕變交互作用行為鮮見報道。
  4. ( 4 ) the fatigue cracks propagate mainly transgranularly at room temperature, while those propagate mainly intergranularly at high temperature

    隨著溫度的升高，疲勞裂紋擴展方式由穿晶型為主向沿晶型為主轉變。
  5. The multiaxial cyclic characteristic of gh4169 was investigated for the thin tubular multiaxial fatigue specimen under proportional and non - proportional loading at high temperature

    摘要針對拉扭薄壁管疲勞試樣，在控制應變拉扭循環加載下對高溫合金材料gh4169的循環特性進行試驗研究。
  6. 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。
  7. ( 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。
  8. 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。
  9. ( 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。
  10. Therefore, the study on fatigue crack growth laws at high temperature is very useful for safety of high temperature equipments

    因此，高溫下疲勞裂紋擴展規律的研究具有很大的工程實用價值。
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