表面裂紋 的英文怎麼說

中文拼音 [biǎomiànlièwén]
表面裂紋 英文
external crack
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 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...
  • 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
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  1. Based on the line spring model of rice and levy, this paper sets up eight nodes line spring element and its stiffness matrixes and works out a program consist of prism element, hexahedron element and line spring element

    編制了五面體單元、六面體單元和八節點線彈簧單元相結合的計算程序，計算了t型板接頭表面裂紋的應力強度因子，計算值與光彈性試驗結果吻合較好。
  2. Numerical simulation to surface fatigue crack growth

    表面裂紋疲勞擴展的數值模擬
  3. The main results and academic contributions of the dissertation can be summarized as following : 1 ) for the difficulty to obtain the accurate analytical solution of the stress constraints around 3d cracks, detailed 3d fe analyses have been conducted to study the out - of - plane constraint factor tz around a straight through - thickness crack, a quarter - elliptical corner crack and a semi - elliptical crack embedded in an isotropic elastic plate subjected to uniform remote tension loading. the distributions of tz are minutely studied in the forward section of the cracks. strong 3d zones ( tz > 0 ) along the crack front were investigated despite the far field stress - free boundary conditions

    全文主要研究內容和學術貢獻如下: 1 .針對一般三維裂紋端部場應力約束準確解析的困難，對均勻拉伸載荷作用下各向同性彈性板中穿透厚度中心直裂紋、半橢圓表面裂紋和1 / 4橢圓角裂紋進行了大量詳細的全場應力三維有限元分析，首次全面分析了非穿透裂紋端部場三維影響區范圍，給出了不同形狀三維裂紋前沿離面應力約束因子tz的數值解，並結合k場平面解給出了非穿透裂紋端部應力場k - tz雙參數描述。
  4. Through the improvement to the press craft for the heavy wall - head, avoids the production of its surface crack, guarantees the products ' quality, it offered the reference for the work in the future

    摘要通過對厚壁封頭壓制工藝的改進，避免了其表面裂紋的產生，保證了產品質量，為今後的厚壁封頭壓制工作提供了參考依據。
  5. By means of inspection analysis, the reasons of surface cracking forming were found out, which existed on the three towers in a wax catalysis unit, and the countermeasure of controlling surface cracking forming were proposed

    摘要通過檢驗分析，找出了某蠟油催化裝置吸收穩定三塔連續多年出現表面裂紋的原因，並提出了有效的防護措施。
  6. Analyzing the propagation behaviors for open and close crack, the author gain that normal fault is more dangerous to earthquake than reverse fault and glide fault. 3. appling fracture mechanics to discuss reservoir - induce earthquake mechanism, the author observes the characteristic of surface crack and gains the stress intensity factor induced by the pressure of rock, water and osmosis

    針對庫區斷層為表面裂紋這一特點，研究水庫地震的斷裂特點，得出地應力作用下的應力強度因子、庫水作用下的應力強度因子和滲壓作用下的應力強度因子以及它們的應力強度因子之合，並且合理的解釋了構造型水庫地震的誘發機理。
  7. Wave propagation characteristics of cylindrical shells with circumferential surface crack

    含環向表面裂紋圓柱殼的波傳播特性研究
  8. External defects : undercut, overip, arc pit, gas cavity in surface, crack in surface

    外部缺陷：咬邊、焊瘤、弧坑、表面氣孔、表面裂紋。
  9. A method for detecting surface crack based on computer image identifiation

    基於計算機圖像識別的表面裂紋檢測方法
  10. In addition to normal ndt methods, some advanced techniques such as x - ray real - time imaging and eddy current inspection are also introduced

    採用的方法除常規的無損檢測方法外，還包括x射線實時成像檢測和電磁渦流表面裂紋檢測等方法。
  11. This thesis calculates the sifs of circular cracks in a circular bar, writes a computer program to calculate the initial crack ' s growth life in everywhere of the bar, simulates the evolution course of crack from sub - surface to surface and calculates the growth life of sub - surface crack

    計算了圓形試棒中任意位置存在圓形裂紋時的應力強度因子，編寫了計算程序，可對任意位置處初始裂紋的擴展壽命進行計算。計算了圓形試棒亞表面裂紋擴展到表面的過程和亞表面夾雜的裂紋擴展壽命。
  12. Test method for surface flaws in tungsten seal rod and wire

    密封鎢絲和鎢條表面裂紋的試驗方法
  13. The study of surface cracks ream on overlay of hydrogenation reactor

    熱壁加氫反應器堆焊層表面裂紋擴展初析
  14. No stress measurements or crack surface samples were available for examination, only the surface crack configuration.

    沒有應力測量或裂紋表面取樣可用於檢驗，只能依據表面裂紋圖形。
  15. Furthermore, according to results, the resistance of steel can reflect the damage exactly. ( 2 ) depending on the analysis of flaw size of the experimental samples, a theoretical model has been reached. the model is more close to the experiment result

    在觀察得到的試樣表面裂紋的萌生和擴展規律的基礎上，通過對損傷后的實驗數據進行擬合，得到了鋼的疲勞損傷累積的一般理論模型，該模型更好的反映了鋼在疲勞循環的中早期的破壞，在疲勞測量精度上有了較好的改進。
  16. Spray deposited porous aluminum alloy sheets easily have surface and edge crack when they are directly rolled due to the porosity and metallurgical bond

    摘要噴射沉積多孔鋁合金板坯由於有孔洞且缺乏良好的冶金結合，直接軋制時易出現板坯表面裂紋及邊裂。
  17. The vickers hardness decreases monotonously from ~ 20gpa ( ai2o3 ) to ~ 14gpa ( 19vol. % ni - fe / al2o3 ) with increasing ni - fe content

    並結合表面裂紋擴展和斷口形貌，討論了材料增強增韌的機理。
  18. This segregation behavior of sn accords with the mechanism of non - equilibrium segregation. it can be obtained through the theoretical calculations that the critical time of sn non - equilibrium segregation is 124 seconds at 750 and the critical cooling rate is 8 / s when cooling from 1320. it is suggested that controlling the cooling rate during continuous casting to avoid the critical cooling rate ( 8 / s ) and avoiding high stress near the trough temperature ( 750 ) may control the form

    通過研究殘留元素sn的偏聚機制及其對o . 15wt . % c鋼熱塑性的影響，對試驗鋼進行脆性預測:建議在該鋼的連鑄過程中彎道矯直溫度盡量避開塑性谷底溫度750 ，二冷區的冷速盡量避開臨界冷卻速率8 / s ，從而可以減少該低碳鋼連鑄坯表面裂紋和橫向裂紋，提高其成材率。
  19. Studying the rule of geometric shape of surface crack during propagation by means of fracture mechanics theory, a predicting method of fatigue crack propagation life and it ' s numerical calculation theory are presented

    本文應用斷裂力學理論，對焊接鋼結構表面裂紋擴展過程中裂紋幾何形狀的變化規律進行了探討，提出了疲勞裂紋擴展壽命的預測方法，給出了相應的數值計算理論。
  20. " second, jhe failure process of lpg vessel usually includes two phasest the crack formation and the crack propagation. after the temperatat field distribution and the iil. stress field distribution of lpg vessel without cracks are calculated, the stress intensity factor of lpg vessel with initial radial crack as well as surface crack are calculated and analyzed

    其次，液化氣容器的失效過程通常分為裂紋形成和裂紋擴展兩個階段，本文在對無裂紋液化氣容器的瞬態溫度場和應力場進行了計算后，對含有初始表面裂紋的液化氣容器的瞬態應力強度因子進行了計算和分析。
分享友人
分享到 Line

分享到臉書