fatigue of material 中文意思是什麼

fatigue of material 解釋
材料的疲勞
  • 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...
  • of : OF =Old French 古法語。
  • material : adj 1 物質的(opp spiritual)。2 身體上的,肉體上的;物慾的,追求實利的;卑俗的。3 有形的,實體的...
  1. Through the experimental research, we think : the technological capacity of fiberglass asphalt macadam if weaker than asphalt macadam, however, if use elasticized capacity to solve blending technological problem. adjust the breed of fiber silk, extend its diameter, its paving capacity is still worth exploring, asphalt - rubber macadam structure lager have good deformed - become capacity and crazed - resistance capacity, small gap rate. good water - resistance capacity, good hot - stability and simple construction technology. therefore. pitch rubber spall is a good cover material which is suitable for the second class or lower whose asphalt pavement has split open because of fatigue. and is the good structural measure of preventing half - rigidity grass - roots unit shrink - rift reflecting. pave a thin layer of pitch rubber spall between asphalt - type pavement layer and half - rigidity basic level, although the cost of building is higher than paving togongbu in the middle, the construction technology, crazing - resistance and water - resistance are better than togongbu, not only could reduce greatly the reflex of half - rigidity grass - roots unit material, long then the use lifespan of pavement, but also it is possible to reduce suitably the thickness of asphalt mixture layer, though the cast of building in the early days becomes more, in the long - term opinion, it have fully important technological and economical significance

    通過試驗研究認為:玻璃纖維瀝青碎石的技術性能不如瀝青碎石好,但路用彈性性能較好,如能解決拌和工藝問題,調整纖維絲的品種,增大其直徑,其路用性能仍值得探討,瀝青橡膠碎石結構層具有變形性能和抗裂性能良好,空隙率小,防水性能好,熱穩定性較好,施工工藝簡單的特點,因此,瀝青橡膠碎石是二級及二級以下公路因疲勞而開裂的瀝青路面的良好罩面材料,也是防止半剛性基層收縮裂縫反射的良好結構措施,在瀝青類路面面層和半剛性基層之間夾鋪瀝青橡膠碎石薄層,雖然造價比夾鋪土工布高,但其施工工藝,抗裂性能和防水性能均優于土工布,不僅可以大大減少半剛性基層材料的反射裂縫,延長路面使用壽命,而且可能適當減薄瀝青混合料面層的厚度,雖然初期造價有所增加,從長遠來看,具有十分重要的技術和經濟意義。
  2. It is believed that in fatigue there is a repeated process of ravaging the material.

    據認為,在疲勞中,有一個使材料毀壞的重復過程。
  3. For example, the pushover curve analysis has no way to consider the hysteretic energy and the energy dissipation in other ways, and to consider the material fatigue and the scathe in the structures " to - and - fro motion. the work done in this thesis is mainly as follows for trying to make better of the capacity - demand curve in existence : 1. confirm the factors those caused the discrepancy between the different capacity curves : the shape of lateral load distribution, assumption of member bars model, irregularity of the structures, p - effects

    為此,本文有針對性地開展了一些工作:闡述了基於性態的設計方法和基於位移的設計方法的相關概念及發展歷程;介紹了幾種現有的能力-需求曲線法的原理及分析步驟並剖析了它們的不足;列舉了影響能力-需求曲線法計算準確性的主要因素,通過算例比較分析它們各自的影響程度從而得出了其中最為重要的影響因素;針對已有的分析結論提出了對現有能力-需求曲線法的改進方案,通過算例分析驗證了改進效果。
  4. 4. the choice reference of medium belt material is came up with : with higher compress intensity, pull intensity and bend fatigue intensity, with middle or low elastic modulus, besides fine heat - resistant, wearable, oil - fast, water - fast anti - impactive capabilities

    4 、提出並分析了介質帶材料的合理選擇原則:壓縮強度、拉伸強度和彎曲疲勞強度高和韌性好的中低彈性模量復合材料,此外還需具有良好的耐熱、耐油耐水性、耐磨性、抗沖擊性、耐候性等。
  5. Fiber reinforced plastic rebar ( frp ) is a new composite, which is composed of fiber acting as reinforced material, synthetic resin acting as matrix, and some adequate auxiliaries, and is formed through a pultrusion process and necessary surface process. it has a high strength to weight ratio, excellent non - corrosive characteristic, fatigue - resistant characteristic, strong designability and magnetic neutrality, so it can be used in the applications with special performance requirements or where reinforcing bars are subjected to severe chemical attack

    纖維增強塑料筋是以纖維為增強材料,以合成樹脂為基體材料,並摻入適量輔助劑,經拉擠成型技術和必要的表面處理所形成的一種新型復合材料,具有比強度高、耐腐蝕性能好、可設計性強、抗疲勞性能好、耐電磁等獨特優點。
  6. 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。
  7. To change the layer number of cfrp ( one and two layer ), the paper analyzed the anti - fatigue performance from the points of material stress, degree and crack of the beams

    通過改變碳纖維布的粘貼層數( 1 、 2層) ,從材料的應變、梁的撓度、裂縫擴展情況三方面進行分析。
  8. 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。
  9. The bridges will gradually wear down under the circumstances of the natural environment, such as the atmosphere erosion, the changes of the temperature and the humidity, and applied environment, such as the loading, the fatigue of the material and the structure

    橋梁長期在自然環境(大氣腐蝕、溫度、濕度變化)和使用環境(荷載作用與頻率的增加、材料與結構的疲勞)的作用下,會出現逐漸退化的趨勢。
  10. 4. the research of metal fatigue fractal dimension measuring is in the study of material characteristic analyzing

    金屬疲勞斷口分維數測量方法的研究是目前材料性能分析研究中的前沿課題。
  11. With metal fatigue in material mechanics, this paper deduces the limestone fatigue curve of longmen grottoes by means of marble s one within the error permission. by the experiment elects the crucial factors of current vibration environment in longmen grottoes, the author contrasts the result of the experiment with its fatigue curve referred above and analyses the fatigue effect of longmen grottoes. finally, it is pointed out that after longmen grottoes have being suffered weathering and water - erosion more than 1500 years, the vibration environment is becoming an crucial factor leads to fatigue effect, especially in those weak surface carvings just like the crossings of several rifts, serious weathering places, etc

    借鑒材料力學中金屬疲勞破壞的研究手段,在誤差允許范圍內用大理巖疲勞曲線推導出門石窟石灰巖疲勞曲線。通過對石窟實際振動環境中典型要素的抽取和振動試驗,將試驗結果與疲勞曲線進行對比,分析了門石窟的疲勞破壞效應。文章指出,在經歷了1500多年的風化和流水溶蝕后,振動環境已成為導致門石窟某些薄弱點如多條裂隙交叉點嚴重風化酥解的壁面雕刻品等產生疲勞破壞的重要誘發因素。
  12. At the same time, a fatigue damage evolution law based on the theory of cumulative fatigue damage is presented, using the electrical resistance of material. and the electrical resistance change is validated by the whole - bend experiments under different stress ranges

    同時通過電阻建立了基於損傷累積理論的疲勞損傷演化規律,對不同應力幅水平下的存彎疲勞實驗試樣的電阻損傷變量加以實驗驗證。
  13. Test method for contact fatigue of rolling bearing material

    滾動軸承材料接觸疲勞試驗方法
  14. 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
  15. 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。
  16. 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,分析了材料的應用疲勞損傷力學體系,建立了相應的損傷累積規律,並結合現有的疲勞損傷應用理論,推導出一個高周疲勞損傷力學模型。
  17. Carbon fiber reinforced polymer ( cfrp ) is a new type of material for civil engin - eering field, which is widely used to strengthen the rc members due to its advantages, such as high strength, light weight, corrosion free, fatigue resistance, convenience to construction and little influence to the physical apperence, etc

    碳纖維復合材料( carbonfiberreinforcedplastics簡稱cfrp )是當前土木工程領域中的一種新型材料,具有高強、輕質、耐腐蝕和耐疲勞等諸多優點,更因施工簡便、對結構外觀影響小,而廣泛應用於結構加固領域。
  18. Abstract : 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

    文摘: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
  19. Popularization application of dmm can decrease engineering building cycle, warrant construct and ornamental engineering quality, prompt technology progress of building construction, and alleviate labor fatigue of workers at present, cut down raw material loss, promote construction environment and reinforce environmental protection, which is truly environmental protection building material

    干拌砂漿推廣應用有利於縮短工程建設周期,保證砌築工程及裝修工程質量,促進建築施工的技術進步,減輕現場作業工人的勞動強度,減少原材料浪費,改善施工環境及促進全球環境保護,是一種真正的「綠色環保建材」 。
  20. In this paper, current development of the titanium - contained aluminum alloys in industry and the gap between our country and advanced industrial counties were introduced first. the shortage of traditional technique for producing the titanium - contained aluminum alloy and the current research of the two new titanium - contained aluminum alloys produced in new technique were analyzed in detail. then the significance of material ' s fatigue property in current engineering application was emphasized particularly

    文章首先考察了含鈦鋁合金當前在工業上的發展狀況,以及我國在這方面與發達工業國家之間存在的差距,介紹了傳統工藝方法生產含鈦鋁合金的局限性,以及兩種新型工藝生產電解含鈦鋁合金的研究進展情況,強調了材料的疲勞性能在現代工程應用上的重要性。
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