stress weld 中文意思是什麼

stress weld 解釋
耐力焊接
  • stress : n 1 壓力，壓迫，緊迫，緊張。2 【語音】重音；重讀；【詩】揚音；語勢，著重點。3 重要（性），重點，...
  • weld : n 焊接（點），熔接點。vt 焊[熔]接；使密切接合，結合。 A welded joint 【機械工程】熔接頭。vi 被焊...
  1. Abstract : for analyzing the residual stress distributing state within the weld joint, and its effect on the performance of welding structure, when welding the ferrite pearlite steel with the austenite steel, this paper develops a finite element program to compute the interface stress of two or over two material. finally, this program is used to analyze the mechanical behavior of heterogenic joint

    文摘:為了分析鐵素體、珠光體類鋼與奧氏體類鋼焊接時，焊接接頭處焊接殘余應力的分佈狀態及其對焊接構件性能的影響，研製了可計算兩種或兩種以上材料界面應力的有限元程序，並用此程序分析了異質接頭的力學行為。
  2. Fourth, the paper treats two kinds of hoisting projects of high alititude construction in bulk and member assembly, hositing machine and plan layout, setting up scaffold and joints, and installing trunks, branches and joints etc. then in detail discusses the method which applys total station to measure three - dimensional coordinate of dendriform structure, including selecting survey sign points, creating survey system and converting survey coordinate system etc. the paper also deep research on the welding performance, welding method, welding process, welding stress and control, welding strain and rectification, weld defects analysis and weld quality inspection, and so on complicated heterogeneity steel weld proplems

    接著系統的論述了高空散裝法和分單元安裝法兩種樹狀結構吊裝方案，樹狀結構吊裝機械及平面布置，樹狀結構胎架及節點的搭設，以及樹狀結構樹干、樹枝和節點的吊裝工藝等諸多工藝問題。詳細的論述了採用全站儀對樹狀結構進行空間三維坐標測量的方法，包括測量標志點的選取、測量系統的建立及測量坐標的轉換等問題。深入地研究了樹狀結構可焊性、焊接方法、焊接工藝、焊接應力及控制、焊接變形及矯正、焊接缺陷分析及焊接質量檢查等復雜的異種鋼焊接問題。
  3. 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。
  4. What ' s more, the application of tc11 two phase alloys to the compress disk of areoengine alredy is relatively mature, and tc11 alloy may work safely for very long time below 500 c. ti3al matrix alloy and ( a + b ) two phase alloy is connected by weld. the request of the temperature and stress can be satisfied by dual alloy disk with isothermal forged ( or hot die forging )

    選用ti _ 3al基合金tac - 1b和tc11兩相鈦合金用焊接工藝連接起來，通過熱模鍛或等溫鍛鍛造和不同的變形熱處理制度，製造出雙合金盤可以滿足溫度、應力對盤件的要求。
  5. The conclusion of reappearing analysis is that crane bridge be used as usual because main weld maximum stress of upper cover plate of main beam lower than yield limit though it higher than permissible stress. inner stress of secondary beam was over ultimate strength, and deforming is ultra big. so it was unfit for produce and secondary beam must be changed

    再現分析得出的主要結論為：橋架的主樑上蓋板主焊縫的最大應力超過了許用應力，但小於屈服極限，可以繼續投入使用；副梁內部的應力遠遠超過了強度極限，變形特別嚴重，不能滿足生產要求，因此更換新的副梁；端梁內部的應力超過了屈服極限，小於強度極限，在應力較大的位置焊接補強板；投入使用后，要對整個橋架進行定期檢查。
  6. Design improvement is in three stages partial, geometrical stress concentration improvement, pure casting technology improvement and a forge - weld box body design

    設計改進分三個階段，即局部幾何性應力集中改進、提高鑄造質量的純工藝改進和鍛焊組合結構抱軸箱體的設計。
  7. For more years, the welded members of steel structure are more popular than the rolled ones in china, but as is well known, the mechanical performance of welded members are effected by many factors : such as the material property of plates, the heat effect during welding process, the residual stress, the weld techniques and so on

    一直以來我國使用的鋼結構構件以焊接為主，軋制的較少。眾所周知，焊接構件的力學性能將受諸多因素的影響，如焊接板材的材性是否一樣、焊接產生的熱影響以及焊接殘余應力和焊接工藝等。
  8. What is taken account of includes the effects of the material, geometrical shape, manner of loading, ratio of cycle stress, residual stress and short crack in weld toe on fatigue strength

    該模型考慮了材料、幾何形式、荷載形式、應力比、尺寸效應、殘余應力及焊趾根部短裂紋等因素對疲勞強度的影響。
  9. 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。
  10. This article emphatically introduce the controlling methods and resolving means about the weld distortion which is always met in steel structure manufacture like bridge, architecture, watercraft, stress vessel

    摘要著重介紹了橋梁、建築、船舶、壓力容器等鋼結構製造中經常遇到的一個比較棘手的問題焊接變形的控制方法和解決方案。
  11. Technical specification of controlling weld hardness of steel equipment to prevent sulfide stress cracking

    控制鋼制設備焊縫硬度防止硫化物應力開裂技術規范
  12. If the weld spot size is the same, the welding - parameter both high voltage, short pulse width and low voltage, long pulse width can get the same pws of lh. but the range of influence of thermal stress by long pulse is larger than by high voltage

    在光斑尺寸相同的條件下，高電壓小脈寬和低電壓大脈寬可以使激光錘校正偏移達到相同的效果，但是高電壓小脈寬的焊接參數比低電壓大脈寬的焊接參數對材料的熱應力影響區要小。
  13. Research on the vibratory stress relief used to reduce butt weld residual stress of dissimilar steel

    振動時效用於降低異種鋼對接焊縫殘余應力的試驗研究
  14. Welding the weld which suffers more stress first, which will make the stress has reasonable distribution

    先焊在工件上受力較大的焊縫，使內應力合理分佈。
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