contact fatigue 中文意思是什麼

contact fatigue 解釋
接觸疲勞
  • contact : n 1 接觸；聯系；交涉。2 〈美國〉（有勢力的）熟人；門路。3 【數學】相切；【電學】接觸；觸頭；觸點...
  • 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. Reliability analysis of contact fatigue strength of cycloid gear in fa reducer

    傳動擺線輪齒面接觸疲勞強度可靠性分析
  2. 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。
  3. After being improved, the gear surface contact fatigue strength obeys weibull distribution and stress obeys normal distribution, the gear bottom bend fatigue strength and stress obey logarithm normal distribution, according to the relation of average safe rate and reliability, then the gear strength reliability design and check equations can be deduced

    將齒面接觸疲勞強度按威布爾分佈、應力按正態分佈處理，將齒根彎曲疲勞強度和應力均按對數正態分佈處理，再根據平均安全系數和可靠度之間的關系，推導出了齒輪強度可靠性設計和校核公式。
  4. 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，改善摩擦表面的潤滑狀態。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，延長了陶瓷球疲勞壽命。
  5. Metallic materials - rolling contact fatigue test

    金屬材料滾動接觸疲勞試驗方法
  6. Test method for contact fatigue of rolling bearing material

    滾動軸承材料接觸疲勞試驗方法
  7. A method for vibration signal of contact fatigue tester based on lms

    的接觸疲勞試驗機振動信號處理方法
  8. Effect of boronizing on the contact fatigue life of austempered ductile iron

    滲硼對等溫淬火球墨鑄鐵接觸疲勞壽命的影響
  9. Rolling contact fatigue

    轉動接觸疲勞
  10. 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
  11. The characteristics of wheel - rail rolling contact fatigue and causes of induced fatigue were reviewed

    輪軌經過長時間滾動接觸會導致軌面剝落，產生疲勞。
  12. Ceramic bearing which has thermostable, anti - corrosive, the self lubrication good character. widely applied in aviation, astronautics, national defense. rolling contact fatigue is one of the main inactivation types of bearing

    陶瓷軸承，具有耐高溫、耐腐蝕、自潤滑性好等優點，廣泛應用於航空、航天、國防等領域，其主要失效形式為滾動接觸疲勞，研究和改善潤滑劑的抗疲勞性能是提高軸承滾動接觸疲勞壽命的重要途徑。
  13. The changing carbon potential carburization - hot oil matrempering technology of helical bevel gear for automobile driven axle is introduced in this article. the board test and production application show that the technology not only quenchs directly gear after carbrization, but also decreases the heat treatment deformation and raises the contact fatigue life of gear

    介紹了汽車驅動橋螺旋錐齒輪的變碳勢滲碳一熱油分級淬火工藝，臺架試驗及生產應用表明，該工藝與專用滲碳淬火掛具相結合，不僅可實現齒輪滲碳后直接淬火，而且熱處理變形小，齒輪接觸疲勞壽命也有所提高。
  14. The effect of the friction between teeth on the contact fatigue strength of the tooth surfaces of a gearing

    齒間摩擦對齒輪輪齒表面接觸疲勞強度的影向
  15. A research on the contact fatigue strength of cast iron gear drives with ni - p - co allloy coating

    表面合金塗層提高鑄鐵齒輪的接觸疲勞強度研究
  16. In this paper, select li 3 # and grease 7014 as basis grease. select nano diamond and sio _ 2 are selected as additives, design 14 recipe using k and l10 as appraise norm study the dose of nano particle to the effect of contact fatigue of ceramic and steel friction has the conclusion that proper quantities nano particle which put in two grease can improve the contact fatigue life of ceramic using sem and edax, nano particles fatigue resistance mechanism are analyzed. which can improve the contact fatigue life of ceramic and steel friction

    本文選用3 #通用鋰基脂和7014號寬溫航空潤滑脂作為基礎脂，選取納米金剛石粉和納米二氧化硅微粒作為添加劑，設計了14種配方。利用威布爾斜率k和額定壽命l10作為評價指標，研究了納米微粒的用量對陶瓷球/鋼副的接觸疲勞壽命的影響，得出在所選兩種基礎脂中添加合適用量的納米微粒添加劑可以提高陶瓷球的接觸疲勞壽命。利用sem和edax ，初步揭示了納米微粒提高陶瓷/鋼副滾動接觸疲勞的機理。
  17. Investigations showed that one of the most important characteristics of pearlitic materials is the decrease of ratcheting rate, the plastic shakedown capability, and the memory and recovery of the accumulated plastic strain under asymmetrical stress cycles. it was found that the interaction between phases plays an important role in the mechanical behavior of pearlitic materials, such as wearability and contact fatigue life

    珠光體材料的重要特性之一是在非對稱應力循環下循環蠕變速率的減緩並趨于塑性安定以及材料對循環蠕變史的記憶與恢復；同時珠光體材料的宏觀力學性能與其細觀結構密切相關，在很大程度上取決于珠光體材料的微結構及其相互作用。
  18. At present an important subject is researched on prediction methods of the initiation life of rolling / sliding contact fatigue of surface hardening layer based on shakedown theories under cycle contact loading for the strategies of applications of contact element, such as gears, bearings, and railroad rails

    接觸體表面強化（噴丸、塗層）層的疲勞裂紋萌生壽命的研究，是當前齒輪、軸承等接觸件失效分析中的前沿課題。它具有重要而廣泛的工程背景。
  19. In this thesis, the strain - hardening model of contact surface layer, the numerical theories and computational methods for shakedown analyses of contact body are systematically studied and applied to the aero - gear. the mentality is that the effects of the surface hardening and contact fatigue on contact surface layer under cycle contact loading are investigated by using shakedown analysis methods considering in a quantitative way the details of stress - inelastic strain responses, residual stress and residual strain computations

    在國家「航空基金」 、 「總裝預研基金」等課題的資助下，本文以接觸體安定分析與接觸表面層疲勞裂紋萌生壽命預測一般演算法研究為手段，深入、系統研究了接觸體安定分析的數值理論和計算方法，全面研究了影響航空齒輪表面強化層失效的原因並提出了齒輪表面強化層裂紋萌生壽命的預測方法。
  20. 2, the friction coefficient at the pitch point is not a monotonic quantity of the rational speed or the load, instead of having a maximum value. and the value of the friction coefficient is very small, its order of magnitude only being 10 - 3. so, it is reasonable that the friction force on teeth surfaces are ignored when the gear - driven contact fatigue strength is designed

    2 、當輪齒在節點嚙合時，隨著轉速或載荷的變化，齒面摩擦系數並非呈單調變化，而是存在極值點;節點嚙合處的齒面摩擦系數很小，其數量級為10一， ，因此在做齒輪強度設計時，忽略齒面摩擦力的影響是有理論根據的。
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