根部裂紋 的英文怎麼說

中文拼音 [gēnbùlièwén]
根部裂紋 英文
root cracking
  • 根 : Ⅰ名詞1 （植物的營養器官） root （of a plant） 2 （比喻子孫後代） descendants; posterity 3 [數學] ...
  • 部 : Ⅰ名詞1 （部分; 部位） part; section; division; region 2 （部門; 機關或組織單位的名稱） unit; mini...
  • 裂 : 裂動詞[方言] （東西的兩部分向兩旁分開） open
  • 紋 : 名詞（花紋; 紋縷兒） lines; veins; grain
  • 根部 : [自動化] root segment; rhizine; root根部腐爛 butt rot; 根部害蟲 root feeding insect; 根部間隙 roo...
  1. The reason that the internal defects little occur at the center points and fissure takes an annular form during three - roll rolling was expounded based on the state of stress and strain at the center of rolled pieces

    根據軋件內部的應力應變狀態，闡述了三輥軋制軋件中心點缺陷產生可能性較小和斷裂呈環向裂紋的原因。
  2. Based on the fundamental solution of two perfectly bonded elastic halfspaces, and using the boundary integral equation method and the finite - part integral concepts, the problem is reduced to a hypersingular integral equation in which the unknown function is the crack opening displacement discontinuity

    首先根據雙材料空間的彈性力學基本解，使用邊界積分方程方法，在有限部積分的意義下導出了以裂紋面位移間斷為未知函數的超奇異積分方程。
  3. The network carbide and acicular martensites that existed in the microstructure of the root grooves of the spline due to improper carburating and quenching process of the shafts, led to the initiation and propagation of the intergranular microcracks and were the main reason that caused the early fracture of the shafts

    由於滲碳淬火工藝不當，在二軸花鍵槽根部的組織中產生了網狀破化物和粗大的針狀馬氏體，在外力作用下形成沿晶顯微裂紋並擴展，是導致二軸疲勞斷裂的主要原因。
  4. What is taken account of includes the effects of the material, geometrical shape, manner of loading, ratio of cycle stress, residual stress and short crack in weld toe on fatigue strength

    該模型考慮了材料、幾何形式、荷載形式、應力比、尺寸效應、殘余應力及焊趾根部短裂紋等因素對疲勞強度的影響。
  5. According to the characteristics of the plexiglas, using the principles of the stress field intensity ( sfi ), a local stress approach for the evaluation of the fatigue life of the plexiglas structures is proposed

    根據有機玻璃特點，利用場強法原理，建立了有機玻璃裂紋形成壽命的局部應力估算方法，採用該方法估算得到的玻璃螺栓孔處的疲勞壽命與邊緣連接件疲勞試驗結果吻合較好。
  6. It is shown that the singularity of the strain field at the crack tip is smoothed in non - local theory

    根據基於不同形式權函數的非局部理論，分析了-型復合裂紋尖端的應變場。
  7. The echo of single hole was high, its front was steep edge ; the echo of dense hole was connected and uneven ; the echo of crack was high and keen - edged, the bottom echo was decline in some certain ; the echo root of bird ' s net had some small wave followed

    單個孔洞反射回波高，前沿較尖銳；密集氣孔回波參差不齊，根部互相連接；裂紋回波高而尖銳，底波有所下降； 「鳥巢」缺陷的反射波根部有若干小波峰出現。
  8. Abstract : a method was put forward for the detection of the fatigue cracks at the thread roots of a drill pipe by using ultrasonic wave. the specific detection probes were designed. simulated cracks were detected. the results show that the probes can effectively detect the cracks whose depth is more than 1mm and the detection errors of the depth and length of the cracks are less than 1mm and 3mm respectively

    文摘:鉆桿螺紋根部疲勞裂紋是鉆桿鉆井服役中產生的常見缺陷類型，是鉆桿螺紋發生斷裂的重要根源.本文介紹了鉆桿螺紋疲勞裂紋超聲檢測原理，設計了專用超聲檢測探頭和檢測裝置，給出了檢測試驗結果，證明了鉆桿螺紋疲勞裂紋超聲檢測的可行性和實用性
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