重力焊條 的英文怎麼說

中文拼音 [zhònghàntiáo]
重力焊條 英文
gravity electrode
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : 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...
  • : 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
  • : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
  • 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
  1. 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; ? ni - sn金屬間化合物包括兩層:其中,靠近ni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 ,而靠近料的那層呈板狀,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。
  2. Lime - titanic type electrode which has excellent weld - ability and mechanical properties. it is suitable for welding key structures of low - carbon steel, such as ships, buildings and machinery etc. this electrode can be used for all position welding

    鈦鈣型藥皮,具有優異的接工藝性及良好的學性能,用於要的低碳結構,如造船,建築機械等,可全位置施
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