mechanical fatigue 中文意思是什麼

mechanical fatigue 解釋
機械疲勞
  • mechanical : adj 1 機械的；機械制的。2 機械學的，力學的；物理上的（opp chemical）。3 機工的，技工的；自動的；...
  • 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. Safety of structures is a common and important problem in the mechanical engineering. recent years there is a trend of developing unified theory of fatigue and fracture to describe the life - cycle damage behaviour of structures. researches on safety guarantee are going toward multi - method synthesis, system micromation, network availability and life - cycle information management

    結構的安全性一直是工程中普遍關心的重要問題，結構強度學逐漸發展到疲勞斷裂統一理論，結構安全保障手段已向多方法、微小化、網路化和全壽命在線保障與監測發展，建立全壽命安全保障系統，涉及材料、機械、力學、電子等學科的交叉融合。
  2. Smart materials and structure have definite requirements of sensor components and driving components, for example, they can adhere well to the matrix and have higher strength, fatigue strength, more broad scope of frequency response and faster response speed, etc. piezodielectric ceramics have characteristic of easily preparing, heat - resistance, wet - resistance, high strength and broad scope of frequency response, etc. furthermore, it has piezoelectric effect and inverse piezoelectric effect, namely it can produce electric potential energy when it is transformed by mechanical strength and its mechanical dimension can be transformed when voltage is put on it

    壓電陶瓷能與基體材料很好結合，具有制備容易、耐熱、耐濕、強度高、頻響寬等特點，另外它具有正壓電效應和逆壓電效應，即當它受到機械力變形時，能產生電勢，對它施加電壓時，能改變其機械尺寸，因此它在智能材料結構中既能用作傳感元件又能用作驅動元件。
  3. This article introduced the development and ti - based brazing material used for titanium alloys, and analyzed the relationship between metallurgical structure and mechanical property of welding joint, mechanical behavior under high temperature 、 corrosion resisting property and fatigue capability of the joint were also represented

    本文介紹了鈦合金用的鈦基釬焊料的發展現狀，重點評價了鈦基釬料釬焊后組織與力學性能的關系，以及鈦基釬料的高溫力學性能、耐蝕性以及疲勞性能等。
  4. Improving on the rolling contact fatigue life and mechanical behaviors of bearing steel by nitrogen plasma immersion ion implantation

    氮等離子體浸沒離子注入技術改善軸承鋼滾動接觸疲勞壽命和機械性能的研究
  5. The database technique has been widely used in such aspects as mater in database, the design of mechanical element and the device management. however, it has seldom been found using in evaluating fatigue life of metal structure, which is the focus this paper aims at

    數據庫技術在材料專用數據庫、機械零件設計、設備管理等方面獲得了廣泛的應用，但將數據庫技術應用於金屬結構疲勞壽命評估卻並不多見。
  6. The results indicated that the microstructure, mechanical properties, oxidation resistance, growth resistance and thermal fatigue resistance were improved obviously

    結果表明，顯微組織、抗氧化、抗生長及熱疲勞抗力等性能，均有顯著的改善和提高。
  7. Fatigue strength and failure mechanisms are presented. a survey of mechanical and biomechanical component fatigue failures is given

    將介紹疲勞強度及失效機制。並提出一個對于機械及生物機械元件疲勞失效的研究。
  8. An experimental program which includes lots of unidirectional laminae is conducted using t300 / bmp - 316 material for researching the static and fatigue behaviour of the unidirectional ply. the experimental research for mechanical behaviour of a unidirectional lamina is to set up expressions of the normalized fatigue life, the residual strength degradation and the residual stiffness degradation of a unidirectional ply in the longitudinal, transverse and in - plane - shear directions, which also verifies the fact of nonlinear shear stress - strain behavior of a unidirectional ply in the 1 - 2 planes

    其中:分別對材料t300 / bmp - 316單向層合板縱向、橫向及面內剪切靜載力學性能及疲勞特性進行了試驗研究，並採用最小二乘法擬合得到各主方向正則化疲勞壽命表達式，以及單層板各主方向疲勞加載剩餘剛度退化表達式及剩餘強度退化表達式;試驗同時驗證了單向層合板1 - 2面上明顯的剪切應力應變非線性關系。
  9. The results of quantitative analysis showed that the pre - tension deformation reduced the fatigue crack propagation threshold and increased the crack propagation coefficient, and consequently decreased the fatigue resistance of the part with mechanical damage

    定量分析表明：預拉伸變形降低了疲勞裂紋擴展門檻值，提高了裂紋擴展系數，從而使管線在機械損傷的部位疲勞抗力降低。
  10. The influence of stress ratio on maximum crack width of specimens is obvious, and the larger the stress ratio is, the longer the fatigue life is, it can influence the mechanical property of specimens directly

    應力比對試件梁的最大裂縫寬度影響顯著，應力比越大，疲勞壽命越長，直接影響試件梁在疲勞荷載作用下的性能。
  11. The paper validates and perfects the traditional wear theory by using the ferrography, at the same time, combining the practice, mechanical embedded minor particles, scoring, plastic distortion, shaping effect and fatigue effect are analyzed and the results show that the vehicle ' s malfunction can be predicted

    文章作者將鐵譜磨粒分析技術運用在汽車維修行業，驗證和完善了傳統磨損理論，並結合實踐，對微凸體機械嵌合、膠合，塑料變形及刨削作用和疲勞作用進行了分析，證明汽車機械故障可以預測，且可以防止重大事故的發生。
  12. Too frequently, however, we think of these materials solely in terms of their electronic or optical properties, preparation and electrochemical polymerization process. we need to remind ourselves that other, nonelectronic properties of these materials can be equally important. for example, certain mechanical properties and fatigue failure mechanism related to their applications

    不過，到目前為止，人們主要關心的是材料的物理和化學特性、制備方法、電化學反應控制、聚合鏈上多種相互作用的分子形成過程和分子聚合特性等，而對與實際應用密切相關的材料力學特性和疲勞損傷機理等力學問題的研究則相當匱乏。
  13. The fatigue properties of sucker sods are predicted by its static properties with fatigue strength theory and cumulative damage theory according to the measurement result of conventional mechanical properties of sucker sods with different service periods

    摘要應用疲勞強度理論和累積損傷理論，利用對使用不同年限抽油桿的常規機械性能的測試結果，由抽油桿的靜特性去推測其疲勞特性。
  14. A kind of new way for surface rolling processing of stainless steel rod has been put forward, thus made an enhancement on the mechanical properties of surface hardness and fatigue strength of steel rod after rolling and solved the difficult problem on the processing length of steel rod being limited by the bed length of machine tool in the traditional processing method

    摘要提出一種新的不銹鋼棒表面滾壓加工方式，使得滾壓后鋼棒的表面硬度和疲勞強度等機械性能得到提高，解決了傳統加工方式中鋼棒加工長度受機床床身限制這一難題。
  15. Beams are researched, and the relation between strains of corroded re - bars and fatigue life of beams are obtained. the main research contents and conclusions are as following : 1. under the fatigue loads, the overstrain of concrete approximately coincidences three stages strain development and accumulation rule, and the mechanical property of concrete is deteriorated

    鑒于實際工程中大量存在腐蝕鋼筋混凝土結構承受反復荷載作用，但其力學性能研究不多的問題，本論文進行了銹蝕鋼筋混凝土梁抗彎疲勞試驗，研究了應力比和鋼筋銹蝕率對銹蝕鋼筋混凝土梁抗彎疲勞性能的影響，得出了銹蝕鋼筋的應變與構件疲勞壽命之間的關系曲線，主要研究內容及結論如下: （ 1 ）在循環荷載下，混凝土殘余變形基本符合三階段變形規律，力學性能劣化，疲勞損傷積累。
  16. Simultaneously, the distinct effect of every factor is studied in the paper. in this text, based on the lime - fly ash stabilized aggregates mixture design, the pavement behavior and performance of designed mixture is studied and contrasted with the mixture which is recommended by the design specification of highway asphalt pavement, including mechanical performance, stableness, anti - brushing performance, the anti - crack performance and fatigue performance

    在配合比設計的基礎上，研究了骨架密實型二灰碎石的力學性能、穩定性能（水穩性和冰凍穩定性） 、抗收縮性能、抗沖刷性能和疲勞性能，並與《公路瀝青路面設計規范》推薦級配二灰碎石混合料的路用性能進行了對比。
  17. Basing on the method of approximate mechanics, the mechanical behavior and fatigue fracture characteristic of steel bridge asphalt mixture surfacing under repeated load was analyzed

    摘要採用力學近似方法，對鋼橋面瀝青混合料鋪裝層在循環荷載作用下的力學行為和疲勞損傷特性進行了理論分析。
  18. Recommendations for the presentation of plastics design data - mechanical properties - static fatigue failure

    塑料設計數據表示方法推薦標準.第1部分:機械特性.第3 . 1節:靜態疲勞損壞
  19. But the densification of ceramic materials is vitally important to mechanical, thermal shock and fatigue properties

    但是，陶瓷材料的緻密化對其力學、抗熱震和熱疲勞性能有至關重要的影響。
  20. Among so many factors contributing to durability, mechanical fatigue is the primary factor

    在影響耐久性的諸多因素中，機械疲勞是首要因素。
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