高熱焊條 的英文怎麼說
中文拼音 [gāorèhàntiáo]
高熱焊條
英文
hi-heat solder-
In this paper, three unique models were designed to research atom diffusion at interface, contacting line and joining point under bpec heating and compare with it under radiation heating in order to find out if bpec speed atom diffusion. the first model was aimed to research atom diffusion at interface under bpec heating. experiment condition of bpec diffusion welding sheet cu and ni : direct diffusion welding, at a pressure of l0mpa, welded at 750 ~ 900, with heat rate of 200 ~ 400 / min for 10mm, on / off of 6 / l ~ 48 / 8, with die or not, vacuum of 6pa
本文設計出三種樣品預構件，研究脈沖大電流加熱條件下片狀材料、線狀材料和球形顆粒之間的原子擴散過程，弄清脈沖大電流加熱條件下原子擴散與一般燒結和焊接過程中原子擴散的區別，以證實特殊的電場和磁場是否對原子的擴散有推動作用，揭示脈沖大電流加熱條件下原子的擴散過程，探索脈沖大電流熱加工技術快速高效的原因。Aimed at the automatic welding of the air - separate equipments. a computer control system for double - side automatic tig erect welding has been developed in this paper, which can keep the welding parameters of two welding torches consistent, and adopt a high - power and centralized energy fountain, and can take warm - up casually. the control system can assure a higher welding quality and a better work condition and a higher productivity than before
為實現空分設備的焊接自動化，本文研究開發一種雙面自動tig立焊計算機控制系統，採用大功率和能量集中的熱源，克服了由於預熱而使手工焊接工人勞動環境的惡化，同時使得兩把焊槍的焊接參數保持一致，從而可得高的焊接質量，改善焊工的勞動條件，大大提高勞動生產率。The results of the experiments show that the ti3al - tcll dual alloys, by vacuum - electron - beam weld, hot die forging and 680c / 12h, ac, heat treatments, have satisfied synthesis properties of intensity, plasticity, hardness. and also it is the feasiblie way. this will establish the supporting technology for the manufacture of the compress disk in the areoengine
實驗結果表明，經真空電子束焊接ti _ 3al ? tc11雙合金經過熱模鍛造和680 12h ， ac或815 1h + 700 8h ， ac熱處理后，焊接區組織過渡均勻，可以使得焊縫處強度在室溫拉伸時高於ti _ 3al ，而在600拉伸時高於tc11合金，獲得強度、塑性、硬度均令人滿意的綜合性能，且是一條可行的工藝路線。The relationship of true stress and true strain for the mid - strength weldable 1420 aluminum - lithium alloy has been investigated in this thesis by high temperature compression testing and high temperature tensile testing on different hot deformation conditions. the interdependence of flow stress, strain rate, strain and deformation temperature for the alloy at high temperature has been studied
本文通過高溫壓縮和高溫拉伸試驗，研究了中強可焊1420鋁鋰合金熱變形時不同變形條件下的應力-應變關系、變形條件對合金流變應力的影響；運用多元回歸分析方法，採用c語言編程確定了合金的本構關系方程；引入z參數，求解了部分材料常數，並用於材料的組織性能研究中。The constitutive equations were gained by regression analysis and some material constants were derived from that with the aid of om, x - ray, sem and tem, the deformation structure of the mid - strength weldable 1420aluminum - lithium alloy on different hot deformation conditions was studied and the soften mechanism was discussed. at the same time, the fracture behavior has been studied as an important part. the fracture mechanism of 1420 aluminum - lithium alloy was confirmed
結合金相顯微鏡、 x -射線衍射、掃描電鏡、透射電鏡等現代化的試驗手段，研究了中強可焊1420鋁鋰合金熱變形不同變形條件下的組織變化及軟化機制，分析了不同變形條件對合金材料組織變化的影響，確定了合金材料的軟化行為機理；同時，結合合金材料的熱變形高溫拉伸試驗，重點研究了材料的斷裂行為，分析了合金材料的斷裂現象，探討了合金材料的斷裂機理。It is very popular to be used for the welding of orbital tube, pipe, very small parts, short welding cycles and also where a specific number of welds are called and then the electrode is to be replaced. cerium tungsten electrode, tungsten cerium electrodes, w - ce electrode, ce - w electrodes, tungsten electrode, tungsten
鎢鈰並不適合於高電流條件下的應用，因為在這種條件下，氧化物會快速的移動到高熱區，即電極焊接處的頂端，這樣對氧化物的均勻度造成破壞，因而由於氧化物的均勻分佈所帶來的上述好處將不復存在Zhang liji ( material physics and chemistry ) directed by professor xie xiaoming this paper is intended to solve problems for those who are designing, using pbgas. failure mechanism, as well as cycles to failure of two groups of pbga samples ( with / without underfill ) for thermal cycling conditions in the range of - 40 ~ 125, were presented. the experiment shows that solder ball in the samples without underfill cracked after 500 times cycle, no crack was found in the underfilled samples even after 2700 cycles
通過一系列的實驗，得到以下實驗結果： ?在本論文設定的溫度循環條件下，未充膠pbga樣品的熱疲勞品壽命在500周左右，充膠樣品的焊點壽命高於2700周； ?對于未充膠器件，中心距（ dnp ）是決定焊點應力、應變大小的最主要因素，裂紋總是從中心距較大處萌生並向中心處擴展； ?溫度循環的過程中焊盤附近焊料組織明顯粗化。B. main use : as widely used all over the world, it is a good substitute for asbestos in construction industry, an ideal filling material for paint, dope, rubber and plastic, and its application goes as far as to many other fields like electric welding, fire retardant, electronic products, oil well drilling and nacre dye
天然雲母粉廣泛應用於絕緣絕熱油漆塑料橡膠陶瓷石油鉆井電焊條化妝品宇航等領域中，超細雲母粉作塑料塗料油漆橡膠等功能性填料，可提高其機械強度，增強韌性附著力抗老化及耐腐蝕型等。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。分享友人