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- Rolling Contact Fatigue of Rails: What Remains to be Done? 鋼軌滾動(dòng)接觸疲勞的進(jìn)一步研究?
- Of gear foot and contact fatigue strength of gear profile. 齒根彎曲疲勞強度,齒面接觸疲勞強度。
- Rolling Contact Fatigue of Rail Steel 鋼軌鋼的滾動(dòng)接觸疲勞
- An Investigation of Rail Rolling Contact Fatigue 鋼軌滾動(dòng)接觸疲勞研究
- Welded rail tunnels used mobile CWR rail contact welding method for China's domestic initiative. 隧道內焊軌采用移動(dòng)式無(wú)縫線(xiàn)路鋼軌接觸焊施工方法，為中國國內首創(chuàng )。
- According to the coupling relation of wheel rail contact,a direct method is proposed to evaluate wheel derailment based on the wheel rail contact point. 根據輪軌空間動(dòng)態(tài)耦合關(guān)系,提出了一種根據輪軌接觸點(diǎn)位置進(jìn)行脫軌評定的直接方法,可用于對機車(chē)車(chē)輛動(dòng)力學(xué)安全性分析評價(jià)。
- The failure forms of cold work roll including contact fatigue crack, spalling, inclusion crack and wear are discussed. 討論了冷軋工作輥接觸疲勞裂紋、剝落、夾雜物裂紋和磨損等失效形式。
- The paper analysed contact fatigue performances of vacuum degasification steel and common electric steel. 試驗并分析了真空脫氣鋼和普通電爐鋼的接觸疲勞性能。
- But the study on the rolling contact fatigue failure mechanism of super hard material coati-ngs is in grope. 但是目前對于超硬涂層材料滾動(dòng)接觸疲勞失效機理的研究還處于探索之中。
- Results showed that contact fatigue property of carburized gear samples was better than that of nitrided gear samples. 試驗結果表明，滲碳處理試樣接觸疲勞性能優(yōu)于調質(zhì)氮化的試樣。
- Design of data measurement and control system was introduced for bearing balls rolling contact fatigue(RCF) life test rig. 介紹了疲勞試驗機數據測量系統和控制系統的設計,主要闡述了數據采集方法和控制過(guò)程。
- Surface defects in ceramic bearing balls may significantly affect ball strength and reduce rolling contact fatigue lifetime. 陶瓷軸承球的表面缺陷會(huì )嚴重降低球的強度和滾動(dòng)接觸疲勞壽命。
- The damage of fretting scar edge was caused by adhesive wear,and the center part of fretting scar was damaged by abrasive wear and contact fatigue. 結果表明:在試驗條件下,微動(dòng)區邊緣的損傷特征以粘著(zhù)磨損為主,而微動(dòng)區中部則以磨粒磨損和接觸疲勞為主。
- The effects of direct-quenching heat-treatment through gas carburizing on the spot contact fatigue life of crosspiece and bowl was mainly studied. 采用氣體滲碳直接淬火熱處理工藝對力車(chē)軸檔、軸碗進(jìn)行接觸疲勞壽命的影響試驗。
- When the viscosity surpasses a certain marginal value,gearing contact fatigue life decreases with an increment of viscosity. 通過(guò)熱彈流潤滑數值計算,分析了潤滑油粘度對齒輪接觸疲勞壽命的影響。
- Algorithm for Wheel Rail Contact Geometry 一種輪軌接觸幾何算法
- Repeated impact tests on samples of laser cladding is done and microcosmic analysis to the appearance and mechanism of repeated impact contact fatigue damnification is mode. 進(jìn)行了激光熔覆試件的多沖碰撞試驗,并對多沖碰撞接觸疲勞損傷的表象和機理進(jìn)行了微觀(guān)分析。
- A rolling contact theory is a base of the study on the performances of wheel/rail (W/R), such as rolling contact fatigue, corrugation, W/R noise and derailment. 輪軌蠕滑理論的研究不僅為車(chē)輛動(dòng)力學(xué)、軌道動(dòng)力學(xué)的數值仿真提供了輪軌力計算模型，而且是輪軌關(guān)系研究的基礎。
- The dissertation applies the design method and theory of modern mechanical system to design the new rolling contact fatigue tester for superhard coated materials. 本文應用現代機械系統的設計方法和設計理念,研制了超硬涂層材料滾動(dòng)接觸疲勞試驗裝置。
- It's cheaper to ship goods by road than by rail. 公路運輸比鐵路運輸便宜。
