焊后 的英文怎麼說

中文拼音 [hànhòu]
焊后 英文
postwelding
  • 焊 : 動詞（用熔化的金屬修補金屬器物或使金屬工件連接起來） weld; solder
  1. Before repairing, basing on the actual working condition, concerning the weldability, stress and deformation issues, the scheme of the cold welding technology whose essential being gtaw, low temperature preheating, postweld hammer the welded seam was established

    修理前，圍繞兼顧解決焊接性、應力和變形問題，結合實際施工條件制定了以手工鎢極氬弧焊、鎳基焊絲、焊前低溫預熱、焊后錘擊焊縫為要素的冷堆焊工藝。
  2. To solve these problems, a fem preprocessing system in materials joining process has been developed in this dissertation. based on this system, a welding numerical model of a missile ’ s oil box has been established and the structure ’ s distortion rules after welding have been analyzed

    本文針對這一現狀開發了一個專門針對焊接過程數值模擬的有限元前處理系統，並應用該系統建立了某型號導彈油箱結構的焊接有限元模型，分析了該結構的焊后變形規律。
  3. As an application of this fem preprocessing system, the simulation on the welding process of missile ’ s oil box was performed, in which the effects of the welding sequences of four web plates and welds on each web plate are primarily analyzed. the simulation results show that the deformations under varied welding sequences are almost the same. downward deflection deformation is obtained along the weld longitudinal direction in the structure as well as upward deflection deformation along the weld traverse direction

    對于某型號導彈油箱結構焊接過程的數值模擬計算，主要考察了每塊立板上各段焊縫焊接順序的調整、四塊立板之間不同的焊接順序以及焊接起始端的選擇對結構焊后變形的影響規律，模擬結果表明:壁板在各種焊接順序下的整體變形規律基本相似，即焊後壁板沿焊縫縱向發生了向下的撓曲變形，中部向下變形量最大;沿焊縫橫向發生了向上的撓曲變形，壁板兩端部變形量較大，且壁板前端變形大於壁板後端。
  4. Cleaning process method for welded pcb assembles

    印製電路組件裝焊后的清洗工藝方法
  5. The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased

    本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化，結果表明:採用普通工藝焊接時，葉片焊后殘余拉應力出現在焊縫及其附近區域，並且在葉片出水邊的熔合線附近（危險區域）出現了峰值;在採用優化的分段焊時，先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值，降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱時間、加熱溫度以及加熱面積成正比，與冷卻面積成反比，並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。
  6. Iso plain end as - welded and sized precision steel tubes - technical conditions for delivery iso specifications

    焊后定徑光端精密鋼管.交貨技術條件
  7. This article introduced the development and ti - based brazing material used for titanium alloys, and analyzed the relationship between metallurgical structure and mechanical property of welding joint, mechanical behavior under high temperature 、 corrosion resisting property and fatigue capability of the joint were also represented

    本文介紹了鈦合金用的鈦基釬焊料的發展現狀，重點評價了鈦基釬料釬焊后組織與力學性能的關系，以及鈦基釬料的高溫力學性能、耐蝕性以及疲勞性能等。
  8. Decrease the weld number as possible : choosing the right thickness of steel plate can reduce the rectification amount after welding

    盡可能的減少焊縫數量：適當選擇板壁的厚度，可減少焊后變形矯正量。
  9. The purpose of the paper is to search the feasibility of the ecletron - beam weld of ti3al intermetallics and tc11 ( a + b ) two phase titanium alloy, and the influence to weld microstructure and properties of the hot deform and heat treatments

    本文的目的是探索ti _ 3al金屬化合物tac - 1b合金與tc11兩相鈦合金電子束焊、熱模鍛及熱處理的可行性，並研究焊后熱加工變形與熱處理對組織與性能的影響。
  10. The reheating embrittlement of a crack - free steel during post - welding heat treatment

    無裂紋鋼的焊后熱處理與再熱脆性
  11. Friction stir welding process can improve mechanical properties as well as decrease distortion and residual stress

    採用攪拌摩擦焊連接鎂合金可以避免熔焊時產生的焊接缺陷，且具有焊后變形小、殘余應力小等優點。
  12. The necessarily of post - weld heat treatment of spherical tanks was emphasized

    強調了焊接球罐焊后熱處理的必要性。
  13. Research on fatigue crack growth of steels used in construction machinery

    工程機械用鋼焊后疲勞斷裂特性研究
  14. Cavitations in foreign hydraulic turbines appear in clear water condition, so its destructive extent is not far more serious than in yellow river in our country. stronger stiffness and more agility are required for special - purpose robot for hydraulic turbine repair used in our country, especially robot for polishing after weld. foreign robot for hydraulic turbine repair could not satisfy our working require, so we develop special - purpose robot system that is used to polish and weld repair cavitated flow path surfaces of hydraulic turbines on all locations

    國外水電站的水輪機汽蝕是在清水條件下產生的，其破壞程度遠不及我國黃河等水域嚴重，用於我國水輪機修復工作的專用機器人，特別是補焊后承擔打磨的機器人，要求有更強的剛度和更大的靈活性，國外水輪機修復機器人滿足不了我國水輪機修復工作要求，因此我們開發了用於在機坑內對水輪機空蝕磨損破壞表面進行修復的「水輪機修復專用機器人」 。
  15. The effect of post - welding heat treatment on the weld line, the microstructure and mechanical property of t91 steel was studied

    摘要研究了t91鋼焊后熱處理對焊縫及母材組織性能的影響。
  16. According to these, the paper put forward some countermeasures : select low carbon steel or low metal alloy steel with lower intensity, like 20r steel ; while welding, adopt strict craft measures with lower welding heat to input ; after jointing, proceed the whole hot dissolving on time ; control each welding joint with hardness hb 185 ; add 0. 25 % water into the liquid ammonia as decay eclipse ; enhance checking in operation, repairing equipment in time through regular interior and exterior checking

    針對上述原因提出了防止氨冷器類臨氨壓力容器產生應力腐蝕裂紋的對策：選用強度稍低，但抗裂性較好的低碳鋼和低合金鋼，如用20r鋼製造；焊接時應採用嚴格的工藝措施和較低的焊接熱輸入量；焊后應及時進行整體消除應力熱處理；控制焊接接頭各區硬度hb 185 ；在液氨中添加0 . 25 %的水作為緩蝕劑；在運行中加強檢查，及時進行停車檢修時的內外部檢查和定期檢驗。
  17. At the same time, the correcting valuation of laser hammering increases with the increment of pulse and voltage. the y direction is the major shift

    焊接電壓和脈寬越大，最高溫度越高，熱應力影響區越大，同時焊后校正偏移量越大。
  18. Abstract : after anticorrosion metal - power spray welding was carried out for prevention of corrosion, the matched anticorrosion electrode is used to make backing weld. the new process can replace the traditional process wi th internal repaired mouth

    文摘:管道焊前對管端進行耐蝕金屬粉末噴焊防腐，然後採用與之匹配的耐蝕焊條打底焊，從而取代焊后焊接區內補口防腐的傳統施工工藝，達到了管道焊后可不再進行內補口防腐。
  19. Assembly ? welding sequence : the configuration which had been whole assembled can decrease welding deformation for configuration rigidity had been added

    裝配?焊接順序：將結構總裝后進行焊接，由於結構剛性增加，可以減少焊后變形。
  20. The welding start location has little effect on the deformation of the structure

    焊接起始端的選擇對壁板焊后變形影響不大。
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