焊接殘余應力 的英文怎麼說
中文拼音 [hànjiēcányúyīnglì]
焊接殘余應力
英文
residual stress by welding- 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
- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 殘 : Ⅰ形容詞1 (不完整; 殘缺) incomplete; deficient 2 (剩餘的; 將盡的) remnant; remaining 3 (兇惡...
- 余 : Ⅰ動詞(剩下) remain; leave: 9減4 余 5。 nine minus four is five ; four from nine leaves five ; i...
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 焊接 : weld; welding; soldering; seal; sealing; sealing-in; shutting together
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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。In the hogging condition, double bottom and the side shell remain the ultimate bucking strength, deck and upperwing tank remain the yield stress, and the other parts keep elasticity. then the key to calculate the ultimate strength of ship hull girders is to ascertain the ultimate bucking strength of the stiffened panels. in this regard, the developed formulation is designed to be more sophisticated than previous simplified theoretical method for calculating the ultimate strength of stiffened panels under combined in - plane bending and lateral pressure. fabricatio n - related initial imperfections ( initial deflections and residual stresses ) are included in the panel ultimate strength calculation as parameters of influence. all possible collapse modes involed in collapse of stiffened panels, including overall buckling collapse, column or beam - column type collapse, tripping of stiffeners and local bukling of stiffened web are considered
確定了船體梁整體破壞時的剖面應力分佈之後,關鍵在於確定板架的極限屈曲強度。本文充分考慮了在縱向彎曲、橫向壓力作用下加筋板可能發生的幾種破壞模式,即板架的整體屈曲破壞、樑柱形式的破壞、筋的側傾、腹板的屈曲並同時考慮了初始焊接殘余應力、初撓度的影響,使其更精確的計算加筋板的屈曲強度。對于加筋板中加強筋腹板的局部屈曲,採用解析法推導出筋的腹板的撓度方程及其邊界條件,求解相應的方程,從而計算出腹板的局部屈曲應力。The influence of the hydrotest on welding residual stress
壓力試驗對焊接殘余應力的影響Application of removing welding residual stress by explosion in guizhou aluminum factory
爆炸消除焊接殘余應力在貴州鋁廠的應用An analysis of simulation of welding residual stresses in the t - joint
型接頭焊接殘余應力的有限元模擬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。The paper mainly discussed the reasons of stress from liquid ammonia pressure vessel causing crack through examing data and experimental results and analysing relevant referential documents and materials, taking 1200 ammonia vessel ' s crack and leaking in a certain fertilization company as an example : there existed remaining welding, stress in the equipment ; there existed a stress decaying surrounding, i. e., moisture 0. 2 %, and temperature > - 5 with o2 or co2 inside ; the higher the intensity of raw materials, more possible it was to have stress decaying crack
摘要以某化肥公司1200氨冷器殼體開裂泄漏的失效分析為例,通過對檢驗數據和結果及有關文獻資料的分析研究,探究了液氨介質壓力容器產生應力腐蝕裂紋的原因:設備中存在較高的焊接殘余應力;液氨介質具備應力腐蝕環境,即含水量0 . 2 % ,且有空氣( o2或co2 )污染(或摻入) ,使用溫度高於零下5 ;母材強度越高,應力腐蝕裂紋產生的傾向就越大。Study on relieving residual welding stress with different heat treatment methods
不同熱處理方法消除焊接殘余應力的研究The influence of welding technics parameter to welding residual stress
焊接工藝參數對焊接殘余應力的影響A new measurement method of welding residual stresses
一種新的焊接殘余應力測量方法Three - dimensional finite element analysis on welding residual stresses of construction steel
結構鋼焊接殘余應力三維有限元分析Because of effect of welding remaining stress on static strength, fatigue strength and structural stabilization of metal structure, the stress due to load is a result of heap of remaining stress
由於焊接殘余應力對金屬結構靜強度、疲勞強度和結構穩定性的影響,載荷引起的應力是在殘余應力之上的迭加。Therefore one of efficiency means to solve cracking problem of runners is to change distribution of welding residual stress of blades, to decrease welding residual tensile stress in the dangerous area of blades or even turn to compressive stress
因此,改變葉片焊接殘余應力的分佈狀態,降低葉片危險區域的焊接殘余拉應力峰值,甚至將危險區域的拉應力轉變為壓應力,是解決轉輪裂紋問題的有效途徑之一。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。Thermal and welding residual stress often produces in the proceeding of the electronic package, the residual stress release and thermal deformations of the microelectronics will reduce the assemble intensity between the chip and package, and then debase the electrical performance of the assemble circuit, numerous thermal cycling will lead to thermal fatigue or thermal failure of the microelectronics
電子封裝器件在生產的工藝過程中,往往會產生熱殘余應力以及焊接殘余應力,殘余應力的釋放作用及器件在使用過程中的熱變形,會降低集成電路晶元與封裝體的結合強度,進而降低集成電路的電性能,反復的熱循環,將導致器件的熱疲勞失效,嚴重時可導致矽片或陶瓷片破裂,使整個器件遭到破壞。The critical crack and stress put forward provides theoretic foundation for monitoring portal machine. 3. applying steady theory of board, studying the problem of early curvature, flexibility model, welding remaining stress, elastic transmutation and brace condition and so on, conclude that structure of beam is primary place where metal structure of portal crane lose stabilization and the break of main beam is result of losing partial stabilization of main board
文章提出的界限應力和臨界裂紋對于港口機械的監測提供了理論依據; 3 、運用板的穩定理論,探索了作為薄壁構件的門機金屬結構在失穩破壞中所涉及到的初曲率問題、彈性模量問題、焊接殘余應力問題、彈塑性變形問題以及支承條件問題等,得出了門機金屬結構發生失穩破壞的主要部位為臂架結構,且主臂架的折斷是由於受壓翼板局部失穩引起整體破壞; 4 、探討了焊接對結構承載的影響。The buckling and ultimate strength of ship plating normally depend on a variety of influential factors, namely geometric / material properties, loading characteristics, initial imperfections ( i. e. initial deflections and residual stresses ), boundary conditions and corrosion, fatigue cracking
船體板的屈曲和極限強度取決于很多影響因素,主要有:板的幾何尺寸、材料特性、載荷特徵、初始缺陷(如初始變形和焊接殘余應力) 、邊界條件以及腐蝕的影響、疲勞裂紋等。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The analysis of the temperature environment and the welding line ' s remaining stress of the laser welding
激光焊接的溫度場及焊縫殘余應力分析On basis of numerical simulation, the optimized weling technological has been vadidated and adjusted by plane test, results show that residual stress of both ends welded in advance can be decreased by the interspace welded later, and decreasing effect is the most obvious in the 50mm range of the interspace ; for local heating, it is 60mm from the edge of heated area to decrease residual stress
通過平板試驗得到了分段焊與局部加熱合理工藝參數,並在此基礎上,對轉輪的焊接殘余應力場進行了調整與控制,使葉片出水邊危險區域附近產生了較大的殘余壓應力,且轉輪整體的殘余應力水平低於轉輪材料屈服極限的三分之一。分享友人