裂紋閉合 的英文怎麼說

中文拼音 [lièwénbìgě]
裂紋閉合 英文
crack closure
  • 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
  • 閉 : Ⅰ動詞1. （關; 合） close; shut 2. （堵塞不通） block up; obstruct; stop up Ⅱ名詞（姓氏） a surname
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 閉合 : close; shutting; synizesis; synezesis; occlusio; closure; make; occlus-; occluso-
  1. At zero applied load, the crack is closed along the perimeter of the specimen but open in the center.

    在施加零載荷處，試樣周邊的裂紋是閉合的，而中心則是張開的。
  2. Erosion damage decreases rock load area, after defining damage variable, the damage stress in rock can be calculated by the method bring forward by lemaitre conveniently. for surrounding rock of a deep buried tunnel under the condition of drained, its seepage character is not only controlled by the high stress in rock, but also influenced by the development of erosion damage. in the whole course of rock " s deformation and failure, its seepage character decreases with the increment of stress in elastic stage, while " increases with the development of failure

    巖樣中全應力?應變三軸滲透試驗過程中的典型表現為隨著應力的增加，巖體內的空隙和裂紋受載閉合，滲透性降低，應力達到一定閾西南交通大學鷹士研究生學位論文第11頁值后，巖體內部裂紋發生擴展和歸並，滲透性增強；同樣，地下水的動、靜壓力作用對裂紋的擴展和歸並也起著促進作用。
  3. The numerical simulation technique is used to study on the fatigue properties of submarine with high strength steel. the numerical simulation model is established and its feasibility is validated. at last, the possibility of establishing a kind of calculation and design methods of fatigue life in submarine structure is primarily analyzed

    本文把疲勞裂紋閉合模型通過切片合成法引入到潛艇結構疲勞強度計算上來，建立了潛艇結構疲勞強度的數字模擬計算的數學模型，分析該方法在潛艇結構疲勞強度計算上應用的可行性，為建立一套計算和設計潛艇結構疲勞強度的方法作了初步的探討。
  4. The opening stress and the life of crack growth is calculated and compared with the test results and the experience formula. the feasibility of the newman theory of opening stress used in the high strength steel is validated. then through the slice synthesis method, the three dimension surface crack of the weld joint of cone - cylinder is decomposed into many plane through cracks

    本文將基於裂紋閉合現象建立的帶狀屈服模型，用在平面貫穿裂紋中，計算此時的裂紋張開應力和疲勞裂紋擴展壽命，與試驗結果和經驗公式比較，驗證newman裂紋張開應力理論在高強鋼中的可行性；然後，用切片合成法，把潛艇結構凸錐柱結合殼焊縫處的三維表面裂紋分解成平面貫穿裂紋，用帶狀屈服模型的理論來分析平面貫穿裂紋，得到裂紋沿深度方向的擴展速率，進而得到潛艇結構的疲勞壽命。
  5. The microscopic plastic deformation of the local crazes cause the change of crack opening loads. therefore, the fatigue crack closure concept could be introduced. a crack closure model of mdyb - 3 pmma were recommended and phenomenologically formulated for positive and negative stress ratios separately, according to the testing results of fatigue crack propagation

    本文討論了有機玻璃疲勞裂紋擴展機理，提出，銀紋的形成是裂紋形成和擴展的基礎，從微觀上解釋了裂紋形成和擴展的原因，並結合金相分析結果，明確提出塑變誘導閉合和粗糙誘導閉合是有機玻璃疲勞裂紋面閉合的兩個主要原因，成功的解析了裂紋面的閉合現象。
  6. The portions of the crack near the saw cut and along the edges are closed in relation to the center of the crack face.

    接近鋸切口和沿著邊緣的裂紋部分相對于裂紋面中心而肯定是閉合的。
  7. ( 3 ) the finite element model, in which the contact between the crack lines is considered, is more accurate than traditional fe model to simulate the crack growth and crack closure

    （ 3 ）建立了考慮裂紋面接觸的有限元模型，較傳統不考慮裂紋面接觸的方法更適于模擬裂紋擴展和裂紋閉合效應。
  8. ( 3 ) both oxide - induced closure and embrittlement of grain boundaries take place for 2 - cr1mo and 2 - cr1mov at high temperature. the change of fatigue crack growth rates with temperature is not so evident as 316land 16mnr

    裂紋表面氧化引進的閉合效應和晶界脆化相對比較均衡，裂紋擴展速率隨著溫度升高的變化沒有鐵素體和奧氏體材料明顯。
  9. During the course of the fatigue crack propagation, there lies crack - closing effect in both two alloys and the main crack - closing mechanic is plasticity - induced one

    裂紋擴展過程當中，兩種合金均存在著裂紋閉合效應；塑性誘發的裂紋閉合是鎂合金的主要裂紋閉合機制。
  10. Nonlinear characteristics such as bifurcation and chaos under three kinds of models are compared. and nonlinear characteristics of coupled vibrations under the model supporting with bearings are analyzed detailedly. the acquired torsion properties and nonlinear characteristics of cracked rotor have good assistant effect on diagnosing cracked fault

    以重力占優的開閉裂紋模型為研究對象，研究了裂紋轉子升速過程的彎扭耦合振動瞬態響應特性及影響因素，探討了1 3階及1 2階亞諧共振特徵；在考慮轉速渦動情況下，比較了三種模型的分叉與混沌等非線性特性，並詳細分析了軸承支承模型的彎扭耦合振動非線性特性。
  11. Numerical simulation of surface crack propagation considering the crack closure effects and the three - dimensional stress constraints

    考慮閉合效應和三維應力約束的表面裂紋擴展模擬
  12. More obvious crack - closing effect on am50 is thought as the key reason for am50 ' s higher fatigue life ( n ), compared with az91

    裂紋閉合效應比az91好被認為是am50試樣比az91疲勞壽命高的根本原因。
  13. The phenomenon of crack closure, which is important for the crack growth, is widely existed in the progress of fatigue crack growth in the metal materials

    裂紋閉合現象普遍的存在於金屬材料的疲勞裂紋擴展過程中，對裂紋擴展有著重要的作用。
  14. ( 1 ) oxidation on the crack surface of 16mnr increase with temperature. oxidation mainly takes place on the crack surfaces at 150 ~ 300, which it is serious both on the crack surfaces and in the grain boundaries at 425. oxide - induced closure at 150 ~ 300 results in the drop of crack growth rates

    鐵素體材料16mnr疲勞裂紋表面的氧化隨溫度升高而增大，在150和300時裂紋表面氧化引進的閉合效應要比晶界氧化脆化更明顯，引起在這個溫度范圍內的試驗疲勞裂紋擴展速率下降。
  15. Stiffness will decrease because of crack. the stiffness of crankshaft is changing due to open - close of crack under alternating load of crankshaft

    裂紋導致曲軸的扭轉剛度下降，裂紋的張開和閉合導致扭轉剛度在一個工作循環中是變化的。
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