elastic fatigue 中文意思是什麼
elastic fatigue
解釋
彈性疲勞-
The fatigue behavior of strength, stiffness, and deformation of concrete is analysed systematically. the fatigue equation is established. the empirical expressions of the total longitudinal strain and the elastic modulus are given, and the relationships between the increasing rate of the total second - stage strain and the decreasing rate of the elastic modulus with the cyclic number are obtained
系統地分析了砼抗拉、拉-壓疲勞強度、剛度、變形規律；建立了相應的s - n關系，提出了縱向總應變、彈性模量的經驗公式，及其第二階段總應變增長率、彈性模量衰減率分別與疲勞壽命的關系式。 -
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疲勞壽命的研究方法；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；在已有微動疲勞壽命預測模型的基礎上，引入載荷頻率影響因子，對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測，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疲勞壽命是有效的。 -
In loose allwool garments with harris tweed cap, price 8 6, and useful garden boots with elastic gussets and wateringcan, planting aligned young firtrees, syringing, pruning, staking, sowing hayseed, trundling a weedladen wheelbarrow without excessive fatigue at sunset amid the scent of newmown hay, ameliorating the soil, multiplying wisdom, achieving longevity
澆水，剪枝，用樁撐起，播種牧草種籽。日暮時分，在新割牧草的一片清香彌漫中，在不過分勞累下，推著那堆滿了雜草的低矮的獨輪車，改良著土壤，不斷豐富著知識，獲得長壽。 -
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。 -
Rapidly active skin cells, promote the circulation of the blood, remove fatigue of the skin, help the penetrate and the obsorb of the nourish element, whiten, moisturize and firm the eye skin, recovery the elastic of the skin, release the black eye circle
功效：能迅速活化肌膚細胞，促進血液循環，消除肌膚疲勞，幫助營養成份滲透，吸收，美白滋潤及收緊眼部皮膚，恢復肌膚彈性，白皙細膩，改善眼周的血液循環，減淡黑眼圈，令雙眼時刻保持健康神采，展現柔滑明眸。 -
Linear elastic dynamic fracture mechanics are adopted to analyze the working characters of the semi - rigid asphalt pavement with the reflective cracking. it is successful to simulate the crack expansion process based on elastic damage theory, at the same time the fatigue life is forecast. the research findings are valuable for the pavement engineering practice on the soft clay ground
本文分析路表變溫對軟土地基上半剛性路面結構體的作用時，考慮了路表降溫導致瀝青混凝土回彈模量的非均勻性，採用線彈性動斷裂力學分析軟土地基上含反射裂縫半剛性路面結構體的工作性狀。 -
The change of elastic constant of steel 20 in low - cycle fatigue procedure measured by ultrasonic
用超聲波法測試20鋼低周疲勞過程中彈性常數的變化 -
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。 -
The multi - purpose tester developed here is aim at testing the mechanics performance of the brittle material, which bases on modular design thought, it contains several modules as the machinery load component, platform of supporting, the function modules and the software system, they can be combined in different function modules to satisfies the need of different application situation. the tester can be used to measure not only general material properties such as elastic modulus, ultimate strain, strength, hardness and toughness, fatigue properties but also various special properties such as the local strength, and surface residual stress at the different location of the brittle component with non - destructive methods. thus the security and reliability of the brittle component can be evaluated and predicted
本文基於模塊化設計思想，研製了一臺專門針對脆性材料力學性能測試的多功能脆性材料試驗儀，其主要包括機械加載模塊、支撐平臺、功能模塊、測控系統、軟體系統等模塊，通過對這些模塊的不同組合可實現不同的功能及滿足不同應用場合要求;系統除了具有測試脆性材料的彈性模量、極限應變、強度、硬度、韌性等常規性能外，還具有無損測試玻璃構件不同位置的局部強度和表面預應力，進而對玻璃構件的安全可靠性和壽命進行預測等功能。 -
Lefm plastics - determination of tension - tension fatigue crack propagation - linear elastic fracture mechanics approach
塑料.測定拉伸-拉伸疲勞斷裂延伸性.線性彈力斷裂機械 -
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 %
在高溫低周疲勞下， 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。 -
With the development of modern mechanical industry, fatigue destruction and precision decrease due to elastic vibration occur much frequently because machine operation speeds became faster and faster and the parts of machines are designed lighter and lighter
隨著現代機械工業的發展，高速輕量化設計在工程中已被廣泛應用，隨之而來的機構彈性振動，疲勞破壞時有發生。 -
Leaf spring is an elastic component often used in dependent - type suspension on modern vehicles, and its stress and fatigue strength characteristics are vital to the reliability and security in the vehicle riding
鋼板彈簧是汽車非獨立懸掛裝置中的一種常用的彈性元件，其強度特性和疲勞特性對車輛行駛的可靠性和安全性有重要意義。 -
How to reduce vibrations of the mechanism systems simply and reliably and how to improve precision and fatigue life time of the machine are important in theory and practice of mechanical engineering, so dynamic models and analysis methods of elastic mechanism systems considering damping effects are necessary
如何簡單可靠地消除和抑制機械繫統的有害振動，提高其精度和壽命是機械科學領域一個重要的理論和實踐問題，因此考慮阻尼的彈性連桿機構建模理論與分析方法是目前一個需要迫切研究的領域。
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