表面疲勞 的英文怎麼說

中文拼音 [biǎomiànláo]
表面疲勞 英文
surface fatigue
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • : 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...
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  • 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. Based on the previous research on the portal crane administration, one standpoint put forward in this paper is idea that is on the foundation of reliability in this paper, two viewpoints take shape when reason is analyzed, that is fatigue break and appearing the flaw that will extend. what is the fatigue break ? ( this phenomenon is always happen in some place ), the fatigue is that board appears apophysis and concave when the board is pressed. so that the board ability of bearing the weight of load will descend

    本論文建立在已有的港口裝卸機械管理的研究基礎之上,進一步提出了以可靠性為基礎的港口裝卸機械的管理思想,已有的研究明,港口機械設備破壞主要由於兩個原因,第一是穩定性問題,特別是構件的局部穩定性,所謂穩定性是指:在板的平內,板受到平行於板的壓力作用,使板發生隆起、內陷等凹凸不平的結果,從而使板受載能力減弱;第二是結構出現裂紋及其擴展,這是由於設備長時期運行,而造成設備某些部位出現裂紋並得以擴展,使設備承載能力下降。
  2. Abstract : based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents

    文摘:在分析鋼橋鋪裝層主要病害和特殊工作環境的前提下,分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉試驗,研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗性能.試驗結果明:環氧樹脂對這3個方都有很大的改進效果,但改性效果和樹脂的添加量並不是一個無限遞增的關系,當添加量超過一定數值以後,改性的效果將趨于平穩.最後就高溫、低溫、3個方分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值
  3. Based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents

    在分析鋼橋鋪裝層主要病害和特殊工作環境的前提下,分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉試驗,研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗性能.試驗結果明:環氧樹脂對這3個方都有很大的改進效果,但改性效果和樹脂的添加量並不是一個無限遞增的關系,當添加量超過一定數值以後,改性的效果將趨于平穩.最後就高溫、低溫、3個方分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值
  4. The anti - wearing property of chme steel is 15 percent to 35percent higher than zgmnl3, which is a widely used anti - wearing steel. the reason of the excellent mechanical properties and anti - wearing property of chme steel is that the heat treatment sturcture of chme steel is composed of tempered martensite, bainite, temper troostite, remaining austenite and carbonide

    分析明, chme鋼基體高強度,高硬度、良好的強韌性配合和碳化物硬質點的彌散分佈,磨痕細短淺小,擠塑變形區細小均勻,抵抗沖擊滑動累積塑性能力強,是其耐磨性比zgmn13高的原因。
  5. It is shown from results that increasing carburizing time further in the normal technology can not obviously deep the carburizing layer, but can cause nonmartensite microstructure at the bottom of the gear and coarse grain across the gear, these will heavily decrease the fatigue life of the gear

    結果明:在正常滲碳淬火工藝基礎上再延長滲碳淬火1小時,齒輪滲碳層深度變化不大,但其齒根局部處有非馬組織,且晶粒尺寸易產生異常長大現象,從而致使臺架壽命明顯下降。
  6. 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、抗性能好、耐電磁等獨特優點。
  7. Research on the surface electromyographic signal characteristics in vastus medialis during muscular fatigue

    股內側肌肌電信號特徵研究
  8. Nonlinear signal character of surface electromyography of exercise muscle fatigue

    運動性肌肉肌電非線性信號特徵
  9. Wavelet analysis of electrically evoked surface electromyography signals during muscle fatigue

    肌肉過程中電誘發肌電信號的小波分析
  10. Semg signal complexity and entropy changes during exercise - induced local muscle fatigue

    局部肌肉肌電信號復雜度和熵變化
  11. The test of low cycle fatigue characteristics for 45crnimova steel and in - situ observation on surface crack propagation

    鋼的低周特性和表面疲勞裂紋的在位觀測
  12. Numerical simulation to surface fatigue crack growth

    裂紋擴展的數值模擬
  13. The nano diamond particle improve friction surface lubricate condition, mainly by the nano particle repair and inlay effection nanometer particle deposition in the friction contact region, fills the friction damage spot promptly, has the repair function, simultaneously prevents the crack from further development, achieves the goal of prolong fatigue life

    納米金剛石微粒通過微粒修復作用和鑲嵌作用,改善摩擦的潤滑狀態。在摩擦過程中,納米微粒沉積在摩擦接觸區域,填補摩擦損傷部位,起到修復作用,同時阻止裂紋的進一步發展,延長了陶瓷球壽命。
  14. Cracking failure of centrifugal compressor ' s impellers was analyzed, the welding craters in the impellers led to stress concentration. the unsteady gas flow accelerated the development of cracks in the impeller

    摘要針對某石化公司離心壓縮機葉輪多次發生開裂、掉塊等故障以及裂紋形成機理進行了分析。分析結果明了葉輪開裂原因系開裂,葉輪焊接缺陷產生了焊接弧坑,造成應力集中,氣流激振加速了裂紋擴展。
  15. The fatigue cracks initiate in a intergranular manner and propagate in a transgranular manner, which stages are separated by secondary cracks

    實驗結果載荷下的橡膠裂紋首先沿片晶結合萌生,然後穿晶擴展破壞,且存在次生裂紋。
  16. Through the research and analysis on the three aspects concerning the base interface of the pavement panel, crack accumulation, expansion in the pavement panel and interaction between spring plates on the road surface as well as its damage on the road fatigue, it is first brought forth that the process of fissures and breakage in the cement concrete pavement can be divided into three stages, i. e. stage of initial crack formation and damage in the bottom of the pavement slab, stage of accumulation, intensifying & expansion in ruptures from load during the time of use and stage of fissures & breakage in the pavement

    通過對路板底界開裂、路板中裂縫積聚、擴展和路車板相互作用及其對路破壞的影響等三個層的研究和分析,首次提出水泥混凝土路的開裂和破壞過程可以分為三個階段,即路板底初始損傷西南交通大學博士研究生學位論文第11頁和早期裂縫的形成階段、使用期間荷載作用對路造成的開裂損傷累計、加劇和裂縫擴展階段以及路斷裂破壞階段。
  17. Inversion of circular shaped flaw in rod with inverse born approximation

    並研究了表面疲勞裂紋形狀演化和裂紋尖端應力強度因子
  18. Abstract : in this article, the optimization of surface crack detection of speed reducer gear was made using fuzzy set theory, the result show that the rotation magnetic field is the best way of surface crack detection and lots of extending surface fatigue cracks were found in practice

    文摘:採用模糊集的貼近度計算對齒輪探傷方法進行了優化選擇,明旋轉磁場探傷是齒輪探傷的最佳方法,在實用中檢測出大量的正在延伸擴展的表面疲勞裂紋。
  19. The cam - follower is the main mechanism of the engine that carries out a series of accurate motions. its mild wear may gradually worsen the contact conditions. the probability for surface fatigue will then increase due to changes in the surface topography

    凸輪?挺柱是內燃機中實現一系列精確動作的主要機構,其磨損會使接觸條件惡化,由此產生的形貌的變化會使表面疲勞的概率增加,可能會對部件產生破壞性的影響,進行凸輪機構的摩擦學設計對提高內燃機的運行性能和延長使用壽命十分重要。
  20. Studying on the shakedown theories and plastic deformation of contact surface layer the shakedown of contact surface layer is related to the strain - hardening models of materials, such as isotropic hardening, kinematic - hardening, and mixed - hardening. the existing results based on experiments and theory show that the shearing strain behavior of contact surface layer caused by friction can be comparatively described with kinematic - hardening

    研究中,圍繞強化後接觸表面疲勞問題,從強化模型選擇、接觸層安定性存在的條件及其失效規律,進行了詳細的概念定義、定理證明及推論演算等理論工作,為接觸層安定性的數值模擬和分析奠定了理論基礎。
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