軸紋裂面 的英文怎麼說

中文拼音 [zhóuwénlièmiàn]
軸紋裂面 英文
fine grained fracture
  • 軸 : 軸Ⅰ名詞1. （圓柱形的零件） axle; shaft 2. （對稱部分的直線） axis 3. （圓柱形的纏繞器物） roller; spool Ⅱ量詞（用於纏在軸上的線以及裝裱帶軸子的字畫）
  • 紋 : 名詞（花紋; 紋縷兒） lines; veins; grain
  • 裂 : 裂動詞[方言] （東西的兩部分向兩旁分開） open
  • 面 : 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...
  1. Analysis of axial - symmetric ring - shaped interface crack problems

    軸對稱環形片狀界面裂紋問題分析
  2. Summed up is the process of the crack treatment on spot, the theory analysis and the design improvement of the hugging - bearing box body ( hbbb ) for ss7 - type electric locomotive

    全面總結了韶山7型電力機車抱軸箱體在使用中發生裂紋的現場處理、理論分析和設計改進的過程。
  3. Author thinks that the direction of the maximum plastic distortion along a constant radius around the crack tip may be considered as the direction of shear - mode fracture ( named pmax - criterion ) and the load when located shear band prongs the ligament in the front of crack tip is regarded as the limited load of shear - mode fracture. ( 3 ) the fad ( fracture assessment diagram ) of titled crack is proposed based on achievements of mesomechanics about i - ii complex ductile fracture of metal, and the titled crack is classified two kinds : void - mode fracture is assessed by fracture assessment curve, and shear - mode fracture by limited load. ( 4 ) using a fe program based on plantle - ressue theory to calculate some mesomechanical parameters, a flange joint structure of a high pressure vessel ( design pressure 31. 4mpa and the thickness of the hemispherical head is half of that of shell. ) is analyzed to determine whether the structure under operation pressure is safe or not, forecast the mode of potential invalidation and argue for the rationality of design of the structure

    試件的整體斷裂為剪切型，但在試件芯部裂尖鈍化區中部出現了韌窩型啟裂並有一定的擴展，說明局部較高的應力三軸度也會使韌窩型機制得以發展，但是不改變試件整體的剪切型斷裂模式；對韌性斷裂的剪切模式的細觀機理做了一定的探討，並且提出了含裂紋構件剪切型斷裂的宏觀判據：認為裂紋前方的集中剪切帶中與裂紋尖端等半徑處最大有效塑性應變出現的方向可以作為裂紋剪切斷裂的方向（可簡稱為_ （ pmax ）準則） ，集中剪切滑移帶貫穿裂紋前方承載韌帶時的載荷可以作為極限載荷；本文運用金屬韌性斷裂細觀力學在一復合型韌性斷裂方面的研究成果，採用失效評定圖的形式，提出了傾斜裂紋的安全性評定方法的基本框架。
  4. In the model, johnson - cook strength is combined with gurson - tvergaard - needleman yield criteria, and random distribution of microvoids is used. results show that quasi - periodic axial fracture will appear, which obstructs the mirror current of the armature

    在給定微孔洞的初始擾動時，計算結果解釋了鋁電樞表面將要形成的不穩定性，它導致了電樞外表面出現周期性的軸向裂紋，阻礙了鏡像電流，使fcg損耗增加。
  5. The axial - symmetric ring - shaped interface crack problems are discussed under tension loading

    摘要討論受拉伸載荷作用的軸對稱環形片狀界面裂紋問題。
  6. The algorithm of sequencable mark and description of the object for crack automatic identification is presented by means of pre - image process. on basis of visual c + + 6. 0 developing environment, the software function of controlling of magnetic partical testing engine and the stepping - motor is realized in c + + and mfc with objected programming method. the automatic system of the camshaft of small diesel engines automatic magnetic partical testing is realized, which is the predicted goal that we would achieve

    用計算機控制磁粉探傷機和步進電機的工作；解決了jpeg圖象格式在windows系統中visualc + +編程環境下的壓縮轉換、顯示和處理的問題；結合數字圖象的預處理，提出了通過圖象分析自動識別裂紋的順序目標標記與描述演算法；基於visualc + + 6 . 0開發環境，用c + +語言和mfc類庫，採用面向對象的程序設計方法，用軟體實現了對磁粉探傷機和步進電機等硬體系統的自動控制功能；實現了柴油機凸輪軸熒光磁粉探傷系統的自動化，達到了預期的目標。
  7. The results showed that most multiaxial fatigue cracks were initiated and propagated along the direction of maximum shear plane or on the direction perpendicular to the tubular specimen ' s axis

    研究表明，多軸疲勞裂紋主要是沿最大剪切平面或垂直於管形試樣的軸線方向擴展。
  8. Firstly, the basic character of the remote filed eddy current is simulated and analyzed in case of two - dimension axial symmetry which approves the existence of remote filed eddy current phenomenon ; the full circumferential defect model is investigated to approve the feasibility of using the rfec techniques to detect the position and depth of defect ; the pit corrosion 、 circumferential and axial crack models are simulated, and the defect character based on voltage plane polar plot and the changes of phase and amplitude are analyzed to supply the standard for defect reconfiguration

    首先，在二維軸對稱情況下模擬與分析了遠場渦流的基本特性，證實了遠場渦流現象的存在;對全周向缺陷的遠場渦流檢測進行了詳細研究，證實了遠場渦流檢測缺陷位置和深度的可行性;對點狀腐蝕、軸向與周向裂紋三種非軸對稱缺陷進行三維有限元模擬，利用相位差和幅值變化曲線與電壓平面極坐標圖對缺陷特徵進行分析，為缺陷形狀重構提供了依據。
  9. According to the observed results near the fracture surfaces, the orientations of the fatigue crack initiation and propagation were investigated to study the mechanism of multiaxial fatigue crack propagation

    根據薄壁管拉扭復合載試件斷口附近表面觀測結果，統計其裂紋擴展的位向，研究多軸疲勞裂紋萌生及擴展機理。
  10. 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。
  11. Dislocation distribution function of the edges of an axially symmetric crack subjected to unit - step loads

    軸對稱裂紋表面受階躍載荷的位錯分佈函數
  12. The mechanism of physical damage of carbon fibers was clarified firstly. the precursor which attached on carbon fibers changes to inorganic ceramic under high temperature with large volume shrinkage which appearing at cracks with fiber traction and the cracks are mainly vertical to fiber axis. because of mismatched coefficients of thermal expansion, carbon fibers suffer multiple thermal stresses and are damaged

    首次探明了碳纖維熱應力物理損傷機制，即碳纖維表面附著的先驅體在高溫下無機化形成陶瓷體，同時伴隨著大的體積收縮，在碳纖維的牽引下，基體的體積收縮以開裂形式出現，裂紋的取向以垂直於纖維軸向為主，由於碳纖維與基體熱膨脹系數失配，致使碳纖維在降溫過程中受到復雜熱應力，引起碳纖維損傷。
  13. On the basis of measured results of contact pressure on abundant literature and the computed results in this paper, simplified contact pressure models have been put forward. the finite element program msc. nastran was selected to analyze the response of pavement under the two modelled loads. the effects of axle load and material properties were studied, and the effects of truck load on permanent deformation and fatigue crack were also discussed

    本文首先根據輪胎胎面花紋類型的不同，提出接觸面的簡化模型；然後參考相關輪胎與路面接觸壓力的測試結果，並結合本文的測試結果及輪胎與路面接觸壓力的模擬計算結果，提出接觸面內的壓力分佈模型，即輪胎作用於路表的荷載簡化模型；接著利用有限元軟體msc . nastran對瀝青路面在該荷載模型作用下的響應進行計算分析，還討論了軸載的變化及路面材料參數的變化對路面結構響應的影響，並且對車輛荷載對車轍和疲勞裂縫的影響進行探討。
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