焊接金相分析 的英文怎麼說

中文拼音 [hànjiējīnxiāngfēnxī]
焊接金相分析 英文
welding fractography analysis
  • 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 ...
  • 金 : Ⅰ名詞1 （金屬） metals 2 （錢） money 3 （古時金屬制的打擊樂器） ancient metal percussion instrum...
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 析 : Ⅰ動詞1. （分開; 散開） divide; separate 2. （分析） analyse; dissect; resolve Ⅱ名詞（姓氏） a surname
  • 焊接 : weld; welding; soldering; seal; sealing; sealing-in; shutting together
  • 金相 : metallographic金相分析 metallurgical analysis; 金相技術 metallographic technology; 金相檢驗 metal...
  1. Welding fractography analysis

    焊接金相分析
  2. The explosive welding specimen were also annealed in vacuum at various elevated temperature from 1000 to 1300. optic microscope, sem, tem and eds ( electron diffraction scattering ) techniques are applied to observe the microstructure and the element profiles of the welding interface and the interdiffused layer, reveal the interdiffused performance of alloy elements at elevated temperature, and analyze the structure and composition of the precipitated phases. moreover, the tensile strength of welding line with the two different techniques and various welding parameters were carried out

    採用金相、掃描電鏡、透射電鏡、能譜等多種實驗手段對焊接結合層的微觀組織結構、高溫下nb - 1zr與不銹鋼合金元素的互擴散行為，形成的互擴散層的成分、金相組織和擴散層中的析出相的相組成和相結構等，都進行了較為詳細的分析，並且對在不同工藝、不同焊接參數下焊接的nb - 1zr合金和不銹鋼的焊縫做了強度實驗研究。
  3. The microfissuring behaviors in the heat - affected zone ( haz ) of electron beam ( eb ) welded nickel - based superalloy gh 4133 have been studied by using analytical scanning electron microscopy ( sem )

    摘要利用金相分析和掃描電鏡對鎳基高溫合金電子束焊接熱影響區微裂紋行為進行了分析。
  4. Comparison of c - scan of entire sample and the date of local point a - scan collected and processed with the metallorgaphs of sample cross section showed that the method could be used to determine the spot size of resistance spot welding

    對接頭焊點的c掃描及對局部點的a掃描信號的採集與分析，經負際焊點橫截面的金相觀察對比，可以較準確確定點焊的焊核直徑。
  5. However, the die attach layer delaminated after 500 cycles and pcb cracked in the underfilled samples after long time cycling. c - sam is employed to investigate the delamination in the underfilled samples. highly concentrated stress - strain induced by the cte mismatch between the bga component and the pcb board, coarsened grain and two kinds of intermetallic compounds ( nisn / nisns ) which formed during reflow and thermal cycle and their impact on the reliability of solder joints are discussed in this paper

    充膠樣品粗化尤為嚴重； ? ni - sn金屬間化合物包括兩層：其中，靠近ni焊盤的那層比較平整，同時， eds結果分析表明其化學式近似為nisn ，而靠近焊料的那層呈板條狀，化學式近似為nisn _ 3 ，文獻表明其為亞穩相； ?充膠使得樣品最大應力范圍降了接近一個數量級並降低了dnp的作用，同時，器件失效模式變為晶元粘接層分層； ? c - sam結果表明本論文採用的充膠樣品，晶元粘接層分層起始於500周左右，而經過2700周循環的樣品，分層幾乎擴展到整個界面。
  6. And the finite element method ( fem ) was used to simulate the stress and deformation of the outer casing and the bearing chock. on the basis of the experiments and fem analysis, the strength and fatigue lifetime, the interaction of creep and fatigue lifetime, the creep lifetime of outer casing and bearing chock have been analyzed, at the end of trail, sem analyses of failure section has been conducted

    同時對航空發動機燃氣渦輪外機匣和軸承座進行了有限元模擬計算，得到外機匣和軸承座的焊接處的強度和變形情況的模擬結果。根據試驗數據和有限元的計算結果，對發動機燃燒室外機匣和軸承座兩種結構（包含焊縫）進行靜強度分析、疲勞壽命分析、蠕變壽命分析、蠕變疲勞交互作用壽命分析以及斷口的金相分析。
  7. The serious bursting accident of the main steam pipe was analyzed 3 by applying the research results above in chapter 4. the main steam pipe has serviced for 12 x 104h in the power plant. using scanning electron microscope ( sem ), x - ray diffraction, optical microscope ( om ), mechanical experiments, it is verified that the main reason causing the main steam pipe breaking down were the material and structural defects

    採用掃描電鏡技術、 x射線衍射技術、金相觀察、機械性能測試等技術手段和失效分析方法，以某火力發電廠己服役12萬余小時的主蒸汽管道為例，對其嚴重的爆斷事故進行了失效分析，確定了管道失效的主要原因是與管道焊接的閥體存在大量的材質缺陷和結構缺陷。
  8. The results show that : the strength and fatigue lifetime of the outer casing including welding line can satisfy the design requirement. although the some parts of bearing has been yielded, the strength at the weld is large enough for requirement. and welding defect, indicted by sem analyses of failure section, is main reason affecting fatigue lifetime

    分析結果表明：外機匣（包含焊縫）強度和壽命滿足設計強度和壽命的要求；軸承座的強度已經進入屈服階段，而軸承座及其焊縫處的壽命卻是滿足設計壽命要求；另外斷口的金相分析表明焊接缺陷的存在是影響疲勞壽命的主要原因之一，故需提高焊接技術，減少焊接缺陷的存在以提高焊接結構的壽命。
  9. Taking ti alloy tc11 electron beam welded work - piece as research object, which is the conventional material of aero engine compressor blisc, the fatigue damage evolution law of fatigue damage action in the area of welded joint based on damage mechanics theory is analysed, and fatigue damage model, which macro - parameter and micro - damage characteristics are related, with fractal geometry - a new conception of modern mathematics is set up in this paper. it tries to research the measuring method of fatigue fracture fractal dimension and the relationship of fractal damage variable with fatigue life. it also sets up the welded joint fatigue damage fractal evolution equation

    本課題以航空發動機壓氣機葉盤常用材料鈦合金（ tc11 ）電子束焊構件為研究對象，對焊接接頭的疲勞破壞行為，基於損傷力學理論分析其疲勞損傷演化規律，應用現代數學的新概念? ?分形幾何學理論，建立宏觀參量與細觀損傷特徵相聯系的疲勞損傷模型，研究疲勞斷口分維數測量方法以及分形損傷變量與疲勞壽命之間的關系，建立焊接接頭疲勞損傷分形演化方程。
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