裂紋孔 的英文怎麼說

中文拼音 [lièwénkǒng]
裂紋孔 英文
spalttupfel
  • 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
  1. The crack between the coped and hole was removed by air arc and then repaired by welding.

    在修割邊和鉆孔之間的裂紋用氣弧消除，然後進行焊補。
  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. Scattering of sh - wave by a radial collinear crack at the edge of arbitrary - shape - cavity in isotropy media is studied. the solution of dsif at crack tips is obtained

    研究了各向同性介質中任意形孔邊徑向裂紋對sh波的散射，求解了裂紋尖端的動應力強度因子。
  4. The method of crack - division is used to make radial cracks at the edge of cavity. a series of integral equations for determining the dsif at tips of anti - plane crack are set up in terms of the green ' s function

    按「契合」的方式和採用裂紋切割技術構造出孔邊徑向界面裂紋對sh波散射的模型，利用green函數建立直接求解m型裂紋尖端動應力強度因子的定解積分方程組。
  5. Numeral results of dsif at radial crack tips of ellipse and square cavities are provided. then the influences of different shape cavities upon the dsif at the crack of their edges are discussed. 5. scattering of sh - wave by a radial interface crack at the edge of arbitrary - shape - cavity is studied

    給出了橢圓孔和方孔孔邊徑向界面裂紋尖端動應力強度因子的數值結果，討論了在不同形狀孔、不同入射波數、不同入射角和不同材料常數組合情況下孔邊徑向界面裂紋尖端動應力強度因子變化的規律。
  6. Close examination of the plug welds showed the existence of herringbone patterns near the slag and voids in welds.

    對塞焊焊縫的詳細檢查表明在焊渣及氣孔附近，焊縫中存在著人字型裂紋。
  7. Initially 24 mm holes were drilled at the crack tips to arrest propagation.

    最初，在裂紋尖端鉆24mm的孔以阻止其擴展。
  8. All existing web cracks were arrested by drilling 19 mm holes at the ends of the cracks.

    所有已存在的腹板裂紋都在裂紋端部鉆19mm的孔止裂。
  9. Thus the fracture likely initiated from fatigue sharpened cracks originating from slag and void in the plug welds.

    因此，斷裂可能是由於從塞焊焊縫內的焊渣和氣孔外形成的尖銳的疲勞裂紋而產生的。
  10. The quality of furan sand castings is usually better than clay sand castings, however, some defects are also very easy take place with furan sand castings such as blow hole, metal penetration, veining, cracking, slag inclusion, hardness too low, surface recarburation, surface sulphuration, nodularity degeneration etc, which were usually caused by improper raw materials selection, improper method design, incorrect moulding or / and core - making

    摘要呋喃樹脂砂鑄件質量一般比黏土砂鑄件好，但如果原材料選擇、工藝設計、造型和制芯操作不當，也會產生氣孔、粘砂、脈紋、裂紋，夾渣、硬度不足、滲碳、滲硫和球化不良等鑄造缺陷。
  11. One such crack formed on the net section at the pin hole, much like an eyebar failure.

    形成在銷釘孔凈截面處的一條裂紋非常象眼桿破壞。
  12. It can rapidly and exactly search for tiny defect, needle hole, crackl, gas crack on the anticorrosion coating of the metal and correctly note down the number of damaged point on the coating

    快速精確地搜速金屬表面防腐層的極小缺陷，針孔，裂紋，氣隙並準確地記錄防腐層破損點的個數。
  13. This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and

    本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是：根據光學玻璃的物理與化學性能，選擇輕型鏡坯材料；用有限元法對鏡子的變形進行分析、計算，找出變形規律，優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構；分析玻璃切削原理，設計專用磨輪結構，選擇合理工藝技術參數，完成400mm平面鏡輕量化減重孔的加工；分析氫氟酸腐蝕光學玻璃機理，尋找最佳酸濃度、腐蝕作用時間等工藝參數，實現400mm平面鏡減重孔應力與微裂紋的消除；討論分離器加工原理和工藝技術特點，完成400mm平面輕型鏡面形加工。
  14. The mode stress intensity factor is deduced by considering the case in which the minor axis vanishes when the ellipse degenerates to a griffith crack

    並利用所獲得的橢圓孔洞結果推斷出班型裂紋的應力強度因子。
  15. A segment of the box corner was removed with a hole saw in order to permit an examination of the crack.

    為了對裂紋進行檢查，用圓孔鋸從箱型斷面拐角處鋸下一部分。
  16. Geological material, no matter soil or rocks, has the characteristic, such as crystal grain structures, pores or micro - cracks etc., on micro - scale and usually contains fluid or gas in pores and micro - cracks. so the problems about geological material are really the problem of the interaction between the fluid, solid and gas

    地質材料，不論是土還是巖石，在微觀結構上都具有晶粒結構、孔隙、微裂紋等特徵，並且在孔隙或微裂紋中還往往含有流體或氣體，因此地質材料的力學問題往往是液體、固體以及氣體間相互作用的問題。
  17. On the basis of the experiment, the reason that high strength 7a52 aluminum alloy produced the familiar defects such as hot cracking, porosity, slag patch, etc. in the welding was analyzed, and the preventive measures of every defect were adopted

    摘要在實驗的基礎上分析了高強7a52鋁合金焊接時出現的常見焊接缺陷：熱裂紋、氣孔、夾渣等產生的原因，並對每種缺陷提出了預防措施。
  18. 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。
  19. What inspection functions are performed for the detection of casting cracks, porosity, and shrinks

    如何檢驗鑄件的裂紋，縮孔，縮松？
  20. Analysis results of histogram statistics and section electron microscopic scan technique, are that fracture feature of the cracks of the hbbb is similar and the crack is multi - source strain fatigue one. internal defects of the cast, such as impurities, gas holes, etc, are the main causes for early cracks. the contrast analysis of static strength, model and transient respond on three structures with fem proves that geometrical stress concentration in partial area has influence on early crack, also

    利用直方圖等統計方法和電鏡掃描技術對該抱軸箱體裂紋分析的結果是：抱軸箱體的裂紋斷口特徵相近，裂紋性質屬于多源性低周疲勞裂紋，鑄件中的夾雜、氣孔等內部缺陷是導致過早裂損的主要原因；利用有限元法對該抱軸箱體三種結構的靜強度、模態和動態響應對比分析，證實了局部幾何性應力集中對過早裂損也有一定影響。
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