裂紋形成 的英文怎麼說

中文拼音 [lièwénxíngchéng]
裂紋形成 英文
clinking
  • 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
  • 成 : Ⅰ動詞1 （完成; 成功） accomplish; succeed 2 （成為; 變為） become; turn into 3 （成全） help comp...
  1. The research shows that the fractal theory can be used to describe quantificationally differentiate and anomalistic micro cracks of concrete that formed in injury evolution

    研究表明，用分形理論方法可以定量描述和區分混凝土在損傷演化期間形成的極其不規則的微裂紋。
  2. The results show that " the frame - pack rolling " technology can increase the densify, avoid cracking during rolling, and effectively improve the deformability and mechanical properties of the spray deposited porous aluminum alloy sheets

    結果表明：外框限制軋制工藝提高了噴射沉積多孔材料的緻密度，避免了軋制過程中裂紋的形成，有效地改善了噴射沉積板坯的軋制性能及材料的力學性能。
  3. It was concluded that failure of double clip reed was the result of local stress concentration and cracking at the sharp elbow of reed

    雙卡簧片成形時彎角較尖銳並有明顯裂紋是導致失效的原因。
  4. Study on nucleating location and formation of fretting fatigue cracks

    微動疲勞裂紋萌生位置及形成方式研究
  5. Based on the aircraft structure fatigue theory, the article discussed the theoretical basis of methods that are usually used for aircraft structure fatigue crack - forming life estimation, i. e. the stress severity factor approach ( normal stress approach ), the local stress & strain approach, detail fatigue rating approach ( dfr ). also the processes of life estimation of these approaches are studied in the article

    文章在簡要介紹飛機結構疲勞強度理論的基礎上，對目前飛機結構勞疲勞裂紋形成壽命估算常用的應力嚴重系數法（名義應力法） ，局部應力應變法，細節疲勞額定值dfr法的理論依據作了較詳細的論述，同時對這些估算方法進行壽命估算的過程與步驟也作了詳盡的闡述。
  6. Abstract : in the paper, the hot crack for the forging die made by methodsof squeeze casting is analyzed, how to reduce the hot crack is also given out

    文摘:從生產實際出發，分析了鍛模液態模鍛成形過程中熱裂紋形成的主要原因，提出了降低鍛模熱裂紋的幾點措施。
  7. Cracking failure of centrifugal compressor ' s impellers was analyzed, the welding craters in the impellers led to stress concentration. the unsteady gas flow accelerated the development of cracks in the impeller

    摘要針對某石化公司離心壓縮機葉輪多次發生開裂、掉塊等故障以及裂紋形成機理進行了分析。分析結果表明了葉輪開裂原因系疲勞開裂，葉輪焊接缺陷產生了焊接弧坑，造成表面應力集中，氣流激振加速了裂紋擴展。
  8. Energy estimating approach of fatigue crack initiation life for welded steel structures is obtained by using molski - glinka energy density equation, introducing the worst - case fatigue notch factor, and considering the effects of residual stress on fatigue

    本文採用應力應變能密度的molski - glinka方程，建立了一種預測焊接鋼結構疲勞裂紋形成壽命的能量方法。該方法引入了極值疲勞切口系數，並考慮了焊接殘余應力對裂紋形成壽命的影響。
  9. The micromechanisms of fracture in engineering materials have been studied in this thesis, with particular emphasis on the dislocations behavior in the front of crack tip and the processes of crack nucleation and propagation on nanometer scale. the relation between the microprocesses of fracture and the macromechanical behaviors were investigated, which will be helpful to the strengthening and toughening of engineering materials

    本文首先對材料斷裂文獻進行綜述，了解斷裂微觀機理研究的過去成就、現狀和發展，確定本文研究的內容為工程材料斷裂的微觀機理，側重裂尖微區位錯行為和納米尺度上微裂紋形核與擴展過程及微觀組織的影響，斷裂微觀過程與宏觀力學行為的關系，為工程材料的強韌化提供理論依據。
  10. The fatigue crack initiation life of x60 pipeline steel after pre - tension deformation

    60管線鋼疲勞裂紋形成壽命的影響
  11. From the work done above, we can get the following conclusion " all these life estimation approaches can be smoothly used to predict the life of aircraft, but they have their own limits

    通過上述工作，得到如下結論：各壽命估算方法都能較順利估算飛機結構的裂紋形成壽命，但各壽命估算方法又都有自身的缺點。
  12. Fatigue life estimation is the basis of the fatigue analysis. by the investigation, we can get fatigue analysis methods and choose the proper structure crack - forming life assess method

    通過研究以確定疲勞分析的途徑，疲勞分析的關鍵是結構的疲勞壽命的估算，進而確定結構裂紋形成壽命估算的比較適合的方法。
  13. 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。
  14. In industry, about over 80 % damages of the oscillatory components under dynamic loads are caused by the fatigue failure, but with traditional ndt methods, the damages ca n ' t be tested and evaluated before the fatigue crack coming into being, which result in serious accident in the long period running of these equipments

    工業生產中，約有80 %以上受動載荷作用的振動構件破壞是由疲勞失效引發的，而傳統的無損檢測技術無法解決疲勞裂紋形成前損傷的檢測和評價問題，造成設備在長周期運行過程中發生嚴重事故。
  15. " 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。
  16. Ir - ta - ti metal oxide coated titanium anodes of variable composition were prepared by thermal decomposition. their micro morphorogies and electrochemical properties were characterized by scanning electron microscope, open circuit potential, cyclic voltammetry, consumption rate measurements and accelerated life test. the sem results indicated that all coatings were of a porous and cracked - mud microstructure influenced greatly by the composition of coatings. the electrochemical measurements showed that the ir - ta - ti ternary oxide - coated anodes exhibited excellent electrochemical activity and electrochemical stability in both acidic media and seawater which were affected by the composition and microstructure of the coatings. owing to good corrosion resistance and low consumption rate in seawater, metal oxde coated anodes belong to insoluble material, and can be potentially applid in impressed current cathodic protection systems as an anode

    採用熱分解方法在鈦基體上制備銥鉭鈦金屬氧化物陽極，用掃描電鏡對陽極塗層顯微形貌進行分析，通過強化電解壽命試驗、開路電位測試、消耗率試驗及循環伏安曲線研究了金屬氧化物陽極的電化學性能. sem分析結果表明銥鉭鈦金屬氧化物陽極塗層呈現多孔多裂紋形貌結構.隨陽極塗層組成不同，塗層顯微形貌表現出很大差異，這種差異直接影響陽極電化學性能.電化學性能試驗結果表明銥鉭鈦金屬氧化物陽極在酸性介質和海水中具有良好的電化學穩定性和電化學活性.此外，銥鉭鈦金屬氧化物陽極在海水中的消耗率很低，屬于不溶性的陽極材料，作為外加電流陰極保護用輔助陽極具有廣泛的應用前景
  17. The microstructure observation in the microfissures suggests the liquation microcrack results from grain boundary liquation by constitutional liquation of mc carbides and formation of continuous and or semi - continuous low melting liquid films, however, the occurrence of the solid state microcracks can be attributed to the effect of ultrafast transit thermal shock introduced by high energy electron beam

    液化裂紋起源於mc碳化物的組份液化而形成的晶界連續或半連續的低熔點共晶液化膜，固相裂紋形成的則是高能電子束流的快速瞬態熱沖擊效應的直接結果。
  18. 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。
  19. Standard termninology relating to formed - in - place sealants for joints and cracks in pavements

    用於路面接合和裂紋的成形密封劑相關標準術語
  20. The author summarized the research results in this respect in recent years ; introduced the vitrifying conversion of rice and its influence on thermal physical property ; described the formation of crack and explained the formation of crack according to the theory of vitrifying conversion ; expounded the relationship between crack, breakage, percentage of head rice and vitrifying conversion ; finally put forward the suggestions to improve the existing rice drying technology and relevant problems to be studied further

    介紹了稻穀的玻璃化轉變及其對熱物性的影響；論述了裂紋的形成以及根據玻璃化轉變理論對裂紋形成的解釋；闡述了裂紋、破碎、整米率、玻璃化轉變的相互關系；最後提出對現有稻穀乾燥工藝進行改進的建議以及有待進一步研究的問題。
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