fatigue data 中文意思是什麼

fatigue data 解釋
疲勞試驗數據
  • 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...
  • data : n 1 資料,材料〈此詞系 datum 的復數。但 datum 罕用,一般即以 data 作為集合詞,在口語中往往用單數...
  1. 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周疲勞性能實驗,研究其在不同溫度下疲勞壽命,以彌補國外對同類鋼材測試的不足;採用拉伸數據預測低周疲勞壽命時發現,室溫條件下用四點關聯法在中低壽命區預測較好,在高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。
  2. Moreover, base on lots of test data, fatigue life estimation is finished by help of miner, opposite miner rule and fracture mechanics theory. theoretic results and test data are well fit to each other

    另外,本文在大量試驗數據的基礎上,依據miner法則、相對minar法則以及斷裂力學理論,對40cr高強螺栓的疲勞壽命估算進行了系統研究,理論分析結果與試驗值的規律性吻合較好。
  3. Second, carried out the fatigue life test of the truck ' s front axles adopted grouping fatigue life test method, calculated the results on theory of probability stats, linear fitted the fatigue life data by means of the basquin equation and least squares method, acquired the mathematical model of s - n and p - s - n curve of the front axles

    其次,採用成組試驗法,對汽車前橋進行了疲勞壽命試驗,藉助概率統計方法對試驗結果進行了分析計算,得到了各試驗載荷下的疲勞壽命的正態分佈的均值和標準差,採用basquin關系式和最小二乘法對疲勞壽命數據進行線性擬合,得到了前橋的s - n和p - s - n的關系。
  4. The tested results showed that the collecting ring could be used for the dynamic stress test successfully and the experimental data would be used for determining load spectrum and analyzing fatigue life of spoke plate

    結果表明,動態測試過程穩定,所設計和製造的集流環完全滿足試驗要求,測試數據可以用於結構載荷譜的編制和疲勞壽命分析。
  5. To testify ae ' s prediction function, we use the acoustic emission in a great deal of fatigue experiments, and have attained experiential data which can be included in the ae features database. the building of ae features database is investigated

    ?通過大量的實驗,對聲發射技術在直升機部件疲勞裂紋檢測中的應用進行研究,驗證了應用聲發射技術進行監測所起到的預警作用,獲得的大量實驗數據可作為經驗數據納入到聲發射特性參數數據庫中。
  6. Fatigue is a complicated problem. nowadays, there isn ’ t an efficacious mathematical model of fatigue established. we can only get credible data of fatigue performance through fatigue test by fatigue testing machines

    疲勞破壞是機械結構最主要的失效形式,而疲勞是一個復雜的問題,至今還未能建立起明確的數學模型,只有通過疲勞試驗機進行的疲勞性能測試才能得到比較可靠的疲勞性能數據。
  7. The existed material fatigue performance test curves are dealt with and analyzed, and the non - dimensional stress - strain curve, tangent modulus factor curve and fatigue life curve are drawn based on the experiment data, and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent. it can be concluded that if the common character and system error of these materials are found, the test curve of a certain material can be used for reference by another material. this is a simple approach about fatigue life estimate and is engineering practical

    對已有的材料力學疲勞性能試驗曲線進行分析整理,利用試驗數據繪制了相對應力應變曲線、切線模量因子曲線和疲勞壽命曲線,利用這三種無量綱參數曲線發現了其中存在的規律性,即在某種程度上實驗曲線可以互相取代,並用試驗數據對此進行了討論,並由此推斷,如果找出材料彼此的共性或彼此之間的系統誤差就可以將一種材料的試驗曲線供其它材料參考使用,這是一種估算材料的疲勞壽命的簡便方法,對工程而言具有實用性。
  8. 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。
  9. On the basis of the study of traffic features of heavy - load vehicles, the vehicle weight data and the axle - load spectrum of different vehicles were collected for some typical heavy - duty roads in china, and according to the features of heavy - loading pavement, deficiency of the former load - figure are analyzed and new figures which are suitable for heavy - load pavements are put forward. meanwhile, based on the research of the cement concrete fatigue equation and the damage mechanism of asphalt pavement under heavy - load vehicles, axle load conversion equations fitting for heavy - load cement concrete pavement and asphalt pavement are established respectively by further analysis. in addition, design indices, traffic and material parameters and structural combination for heavy - load pavements are discussed in this paper as well

    本課題針對重載道路路面設計中所存在的問題,從重載交通特性出發,收集分析了國內幾條重載道路的交通及軸載組成情況,根據重載交通的特點,分析原有荷載圖式的不足,提出了適合於重載瀝青、重載水泥混凝土路面的荷載圖式;同時,在重載水泥混凝土路面疲勞方程及重載瀝青路面破壞機理研究的基礎上,通過對重載路面軸載換算公式的進一步研究,分別提出了適合於重載水泥及重載瀝青路面的軸載換算公式;此外,本文還對重載水泥、重載瀝青路面的設計指標、交通參數、材料參數及結構組合等方面進行探討,系統地提出了重載路面的設計方法,並使之有效地運用到工程實踐中。
  10. It shows that the method and the results can be used for designer, capital construction manager and researcher reference. 6 > the statistic parameters of load effect and resistance on fatigue reliability are studied in the paper. according to statistic analyzing of the real data from spot and the old test data, the fatigue reliability is calibrated on 8 details, which are provided in the code, by first order second moment ( fosm )

    6 、通過鋼結構吊車梁實測資料與以往疲勞試驗資料進行統計分析,提出了荷載與抗力的統計參數,用一次二階矩方法對鋼結構規范中規定的8類連接和構造型式的疲勞可靠性進行了校準分析,根據計算結果給出疲勞目標可大連理工大學博士學位論文一靠指標的建議值與分項系數的設計表達式。
  11. The intention of this paper is to develop a set of testing system, which has high efficient and reliable performance and advanced technology. it is applied in testing extrusion pressing of new type elevator wire rope tie - in in its making process and tensile strength, fatigue strength of tie - in. then to test the validity of design theory of the new type tie - in by analyzing the testing data and grope for new theory on and on

    本課題研究的目的是開發一套高效可靠、技術先進的測試系統,用於測試新型電梯鋼絲繩繩頭製作過程中的擠壓力、以及繩頭本身的抗拉強度和疲勞強度性能,然後根據測試數據來驗證新型繩頭設計理論的正確性,並不斷進行新理論的探索。
  12. Standard guide for recommended formats for data records used in computerization of fatigue and fracture data of metals

    金屬疲勞和破裂數據計算機化中用的數據錄制推薦格式的標準導則
  13. All experiments were completed by use of loading equipment designed by myself. this equipment has been proved to be efficient, steady and the test data are reliable. based on analysis of the 58 data and 35 domestic data, we got the s - n curve in general use, and established the design method of fatigue

    本文成功地得到了32個常幅及26個變幅試驗數據,通過與國內已有數據的回歸分析,得到了通用的s - n曲線,建立了螺栓球節點網架結構的疲勞設計方法。
  14. On the basis of finite element numerical simulation technology and s - n curve data base of welded joint, the course of fatigue test of physical prototype was simulated with computer and the fatigue life of welded structure was predicted, so as to let the development of anti - fatigue design becoming possible in the designing stage of product

    基於有限元數值模擬技術及焊接接頭s - n曲線數據庫,在計算機中模擬物理樣機的疲勞試驗過程,預測焊接結構的疲勞壽命,使產品在設計階段開展抗疲勞設計成為可能。
  15. Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    在研究疲勞過程中材料強度退化規律的基礎上,建立了一個強度退化模型.對其進行隨機化處理,得到控制強度退化過程的隨機微分方程.在一定假設條件下,獲得了剩餘強度概率密度函數的封閉解,並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明,本文的模型和方法是合理的
  16. Comparisons made between experimental data and a theoretical fatigue model show good agreement, which can be used to predict the fatigue residual modulus of composites

    通過對彎曲疲勞加載后的剩餘模量進行理論分析,驗證了理論分析和實驗數據之問的一致性,為實際預測復合材料剩餘模量提供了依據。
  17. Statistic analysis on fatigue load effect and equivalent stress range of steel crane structures in service is carried out. the stress range distribution in whole life is deduced by the spot measurement little sample stress - time process. meanwhile the statistic analysis on the fatigue resistance process is conducted, according to fatigue data of all kinds of structural joints in domestic and overseas, which is foundation with, establish the fatigue reliability model

    2 、在大量調查的基礎上,對吊車梁所承受的疲勞荷載效應與等效等幅應力進行了統計分析,同時根據國內外有關各構造細節的疲勞資料對疲勞抗力參數進行了統計分析,為建立疲勞動態可靠性分析模式奠定基礎。
  18. Metallic materials - fatigue testing - statistical planning and analysis of data

    金屬材料.疲勞試驗.數據的統計規劃和分析
  19. Strain - life fatigue data exchange file format

    應變周期疲勞數據交換文件格式
  20. When strain amplitude is lager than 0. 5 %, it is better to employ the fatigue data of 3 / 10 life section ; as to strain amplitude lower than 0

    5時,採用3 10壽命階段的疲勞特性參數預測結果較符合實驗值;但當應變幅小於0
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