預焊料 的英文怎麼說

中文拼音 [yùhànliào]
預焊料 英文
solder preforms
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 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
  • 料 : 名詞1 （材料; 原料） material; stuff 2 （喂牲口用的穀物） feed; fodder 3 （料器） glassware 4 （...
  1. With an introduction of the influences of the final quality of rail aluminothermic welding, such as : the quality of welding kits ( esp. the portion ), the result of pre - heating, the welding operation and the level of operators etc., this paper analyzes some problems when rail welding under special conditions

    摘要介紹了焊接材料質量、預熱效果、操作人員水平等因素對鋼軌鋁熱焊接接頭質量的影響，以及幾何誤差不同、軌頭寬度不等、寒冷氣候等特殊條件下進行鋁熱焊接應注意的問題。
  2. 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。
  3. We had some unexpected problems with our new robotic welders in the factories, which led to production snags.

    我們工廠里的新自動焊接機發生了未能預料到的問題，從而導致生產的障礙。
  4. Specification and qualification of welding procedures for metallic materials - qualification based on pre - production welding test

    金屬材料的焊接程序規范和鑒定.基於預生產焊接試驗的鑒定
  5. Third, it analyzes different influences upon the life predication by comparing different models of the same package, different constitutive models of the same solder ball ' s materials, different life prediction models, different solder ball dimensions, different mesh density etc. finally, it compares some popular constitutive models of the solder ball materials, and constructs an integrated constitutive model by different curve fits

    接著，又在上述分析的基礎上，比較了同種封裝的不同模型（如條形模型， 1 4模型， 1 8模型） 、相同焊球材料的不同本構模型、不同壽命預測模型、不同焊球尺寸及網格密度等方面對壽命預測的影響。
  6. With the experiment of surface crack growth of bhw - 35 weld metal, the law of the surface crack shape variation when it grows was obtained, and the law of surface crack growth rate was also gotten. these direct the evaluation of the surface crack fatigue growth life and the critical value of its length

    對bhw - 35鋼焊縫材料進行表面裂紋擴展試驗研究，得到裂紋的擴展形貌變化規律，並對其疲勞擴展壽命進行預測研究，為汽包下降管角焊縫部位的表面裂紋擴展壽命預測提供依據，同時也確定了其表面裂紋擴展的臨界值。
分享友人
分享到 Line

分享到臉書