高周疲勞 的英文怎麼說

中文拼音 [gāozhōuláo]
高周疲勞 英文
high cycle fatigue
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : Ⅰ名詞1 (圈子; 周圍) circumference; periphery; circuit 2 (星期) week 3 [電學] (周波的簡稱) c...
  • : 形容詞(疲乏; 勞累) tired; weary; exhausted
  • : Ⅰ動詞1 (勞動) work; labour 2 (煩勞) put sb to the trouble of; trouble sb with sth : 勞您費心...
  • 疲勞 : 1. (疲乏勞累) tired; fatigued; weary; become fagged 2. (機能或反應能力減弱) fatigue; strain 3. [物理學] fatigue
  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;在已有微動壽命預測模型的基礎上,引入載荷頻率影響因子,對低復合載荷作用下的燕尾榫聯接結構進行了微動壽命的預測,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壽命是有效的。
  2. For rotor steel ( 30crlmolv steel ), the tests of low - cycle fatigue property are done under different temperatures. the fatigue life under different temperatures is researched to make up for the defects of the testing for foreign similar materials. when pull - stretch data is attempted to evaluate low - cycle fatigue data, the result shows that four - point associated method in middle - low life zone is done well under room temperature, but there are large errors of four - point associated method and general - slope method under other temperatures

    在本文中,通過與國外同類材料的性能進行比較,國產材料與國外材料共有的材料特徵基本相同;對轉子鋼( 30crlmolv鋼)進行了不同溫度下的低性能實驗,研究其在不同溫度下壽命,以彌補國外對同類鋼材測試的不足;採用拉伸數據預測低壽命時發現,室溫條件下用四點關聯法在中低壽命區預測較好,在溫條件下四點關聯法和通用斜率法都有較大誤差,需要進行改進。
  3. Test research of ultrahigh - cycle fatigue behavior of high strength steel

    強度鋼超高周疲勞特性試驗研究
  4. 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溫低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溫低總壽命和裂紋擴展壽命,最後利用最小二乘回歸方法,得到了該材料溫低總壽命和裂紋擴展壽命評價方程。
  5. 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材料的溫低實驗數據進行了整理和統計的基礎上,得到了材料的強度特性曲線和壽命曲線,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壽命評估。
  6. In this analysis procedure, the mean stress is accounted for by obtaining the equivalent stress derived from goodman formula or not and the difference between the two cases are discussed

    由於在譜分析方法中考慮到了由波、特徵期及浪向確定的不同海況,所以本文也分析了各海況對壽命的影響。
  7. 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
  8. This paper discusses life - wastage of creep - fatigue for headers of superheater and reheater and algorithm of this two kinds wastage. based on these theories, b - p neural network with self - organized function has been introduced detailedly to calculate the fatigue wastage. at the same time, the paper introduces the calculation method of stress

    本文主要介紹了過熱器和再熱器聯箱的和蠕變壽命損耗的問題以及這兩種壽命損耗的計算方法,並在此基礎上採用前饋型網路( b - p )來計算溫低的壽命損耗(和蠕變交互作用) 。
  9. It was showed that the method had a high identification rate and reliability with no influence on tool ' s surface quality, fatigue life and dynamic balance, which could be used on tool ' s stock management and production process tracking

    研究表明,該方法對刀具的表面質量、刀具的強度和刀具的動平衡沒有影響,識別可靠性,為刀具的全生命期管理和信息追蹤提供了有效的技術手段。
  10. Alpine skis ; determination of fatigue indexes ; cyclic loading test

    山雪撬.指數的測定.期性載荷試驗
  11. Alpine skis. determination of fatigue indexes. cyclic loading test

    山滑雪板.指數測定.期性載荷試驗
  12. The relationship between resistance and fatigue damage has been studied and theoretical expressions have been obtained. based on the expressions and the data obtained from the fatigue experiment on 45 steel, a numerical model is deduced to estimate the fatigue accumulation of steel and pre - estimate the lifetime of steel. whether the resistivity changes or not, the theoretical calculation results is almost the same as the experiment results

    在忽略電阻率變化和考慮電阻率變化的條件下,以針對最常見的45號鋼進行的高周疲勞試驗得到的結果為基礎,給出理論分析,建立了可以反映損傷累積和預測試件壽命的數值模型,並以此模型與前人所作的試驗進行比較,結果兩者吻合得很好。
  13. 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壽命數據,給出了ast101a的s ? n曲線、 p ? s ? n曲線和極限,討論了加載歷史、缺陷等對壽命的影響。
  14. 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,分析了材料的應用損傷力學體系,建立了相應的損傷累積規律,並結合現有的損傷應用理論,推導出一個高周疲勞損傷力學模型。
  15. 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
  16. It is therefore necessary to have an accurate knowledge of low - cycle fatigue ( lcf ) behavior demonstrated by zirconium alloys in order to run the reactor safely, and it becomes in immediate need of the detailed knowledge when the new fuel assembly in request is being developed to reduce the cost of nuclear electricity

    因此,要保障核電站水冷動力堆的安全運行,就要對鋯合金的低行為有詳盡的了解和認識。特別是當要求研製新型性能的燃料組件以降低核電成本時,對鋯合金低行為的研究就顯得尤為迫切。
  17. 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
  18. The electrical cut scanning mirror shows : this bilinear behavior results from different cracking ways under high and low strain amplitudes, that is, elastic cracking and brittle cracking respectively. cyclic hysteresis energy is an important fatigue parameter. the total cyclic hysteresis energy of gh4145 / sq increases gradually as strain amplitude goes from 1 % to 0. 5 %, but it decreases when strain amplitude is lower than 0. 5 %

    溫低下, gh4145 / sq合金的循環滯?能具有如下特徵:在1 0 . 5應變幅范圍內,循環總滯?能是一個逐漸增大的過程,而當應變幅小於0 . 5時,總滯?能隨應變幅減小而趨于減小;半壽命處的循環滯迥能和總滯?能與壽命之間的關系曲線表現出雙線性特徵,轉折點對應0 . 5應變幅。
  19. 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( ? )進行多維應力狀態溫低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總壽命評價方程。
  20. The original powder of fgh95 and inclusion characters in processing including composition classification and morphology are investigated systematically. effect of inclusion on lcf is also studied. the relation curves of inclusion site and size vs lcf are given

    本文系統研究了fgh95粉末溫合金的原始粉末和粉末處理過程中夾雜的性質(成分、分類和形貌)以及夾雜對材料低性能的影響,建立了夾雜的位置和尺寸與lcf性能的關系曲線。
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