金屬間化物 的英文怎麼說

中文拼音 [jīnzhǔjiānhuà]
金屬間化物 英文
intermetallic compound
  • : 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...
  • : 屬名詞1 (類別) category 2 [生物學] (生物分類系統上所用的等級之一) genus 3 (家屬; 親屬) fami...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
  • 金屬 : metal
  1. Metal oxide surge arresters without gaps for a. c. systems

    交流無避雷器
  2. Abstract : the current status of research work on intermetallic compound dispersoid in rapidly solidified elevated temperature aluminum alloys is reviewed. the dispersoid existing in common elevated temperature aluminum allo ys, effect of rapid solidification processing on the formation of dispersoid and their thermal stability are discribed

    文摘:綜述了快速凝固耐熱鋁合彌散相的研究現狀,介紹了常見耐熱鋁合中存在的彌散相、快速凝固工藝對彌散相形成的影響和彌散相的熱穩定性及其影響因素。
  3. According to the nb - si phase diagram, the temperature of 1550 ?, which is lower than the eutectoid transformation temperature of nbssi ( 1783 ? ), is chosen for heat - treatment. according to the present conditions of the furfaces, heat - treatment by stages is first proposed for the nb - si system intermetallic composites to keep the furface in good conditions. the results indicate that the equilibrium nb + nbssia dual - phase microstructure of the nb - si system intermetallics forms gradually via such eutectoid reaction as nbasi ? nb + nbssis with the heat - treatment time

    根據nb - si二元相圖,選擇略低於nb _ 3si共析轉變溫度t _ f = 1783的1550對鑄態nb - si系進行不同時( 25h - 100h )的熱處理,並根據目前國內和我院熱處理爐的現狀,首次提出採用分段熱處理的方法來解決nb - si合熱處理溫度高、連續熱處理時過長而影響熱處理爐壽命的困難。
  4. Preparation of ordered intermetallic compound of fe3si with mechanical activation and sintering

    有序的制備
  5. Evolution of intermetallic compounds in snag and snagcu lead - free solder joints during aging

    無鉛焊料接頭中在時效中的演變
  6. Classification and designation for superalloys and high temperature intermetallic materials

    高溫合高溫材料的分類和牌號
  7. Method of tensile test for intermetallic compounds - part 1 : room temperature tensile test

    抗拉伸試驗方法.第1部分:室溫抗拉伸試驗
  8. Method of tensile test for intermetallic compounds - part 2 : elevated temperature tensile test

    抗拉伸試驗方法.第2部分:高溫抗拉伸試驗
  9. Advances in powder metallurgy of tial intermetallics

    的研究進展
  10. Exchange non - clearane metal oxidate matter arrester is suitabe for the voltage protection of transformer switch cupboard, vacuum switch etc

    交流無避雷器,適用於變壓器、配電屏、開關櫃、真空開關、輸電線路、電力計量箱、並聯補償電容器、旋轉電機等電壓保護。
  11. This paper gives a brief review of four stabilization mechanisms of soc : ( 1 ) recalcitrance of organic carbon compounds, ( 2 ) interactions with metal oxides and soil mineral surfaces, ( 3 ) spatial inaccessibility against decomposers because of micro - aggregate ' s physical protection, and ( 4 ) biological mechanisms, mainly the direct contributions of soil organisms themselves

    土壤有機碳的穩定機制主要包括: ( 1 )有機碳的難降解性; ( 2 )和粘土礦與有機碳的相互作用; ( 3 )土壤團聚體的理保護導致的生與有機碳空隔離; ( 4 )土壤生學機制,主要指土壤生自身對有機碳穩定性的直接貢獻。
  12. Combination type metal - oxide surge arresters without gaps for the three - phase a. c. systems

    交流三相組合式無避雷器
  13. The process and mechanism of ball bonding were studied in this paper, specifically, intermetallic compounds ( imc ) formation and reliability on copper wire and aluminum alloy pad bonding joint during thermal aging were analyzed in detail

    本文在對銅絲球鍵合工藝和原理研究的基礎上,著重分析了老過程中銅絲球與鋁合焊盤鍵合的生長及可靠性。
  14. A reliability experiment of thermal aging was carried out for the two types of joints, scanning electron microscopy, energy dispersive x - ray spectrometer and micro x - ray diffractomer were adopted to investigate the interfacial evolution behavior of joints, and kinetics model of imc formation was established. the results show that imc growth follows the parabolic law as a function of aging time at certain aging temperature, imc growth is more sensitive to the aging temperature than the aging time, the activation energy of cu - al imc growth is 97. 1kj / mol and the major forming cu - al imc are cual2 and cu9al4, the activation energy of au - al imc growth is 40. 1kj / mol and the main au - al imc are au4al and au5al2, with au2al and aual at the interfacial periphery of joints, the rate of cu - al imc growth is about 1000 times slower than that of au - al imc, and kirkendall voids and cracks are easily appeared during thermal aging in gold ball bonds while voids and cracks are absent in copper ball bonds even after aging at 200 for 2900 hours and 250 for 169 hours

    研究結果表明:厚度與老的關系符合拋線法則,的生長對老溫度比老更加敏感; cu - al生長的激活能為97 . 1kj / mol ,老呈層狀分佈,主要相為cual2和cu9al4 ; au - al生長的激活能為40 . 1kj / mol ,主要相為au4al和au5al2 ,同時在界面周邊區域生成了au2al和aual ;老過程中cu - al生長速率比au - al生長速率小103數量級;絲球鍵合點200老96小時出現了明顯的kirkendall空洞和裂紋,但銅絲球鍵合點200老2900小時和250老169小時都沒有形成空洞和裂紋。
  15. The expansion and dehiscence behavior during the vacuum reactive sintering below 660 of compact ti / al composite powders was experimentally investigated, and the reasons of expansion and dehiscence were theoretically analyzed. the method of low temperature reactive sintering was generalized, and the experiment testified the method effective. the rule of the expansion of the billets was generalized from the result of density of the billets

    低溫反應燒結工藝:研究了高能球磨ti / al復合粉體在溫度低於660下真空無壓反應燒結過程中的膨脹和開裂行為,分析了產生膨脹和開裂的主要原因;並提出了能夠有效預防坯料開裂的方法;通過測定坯料在低溫燒結后的密度,總結了其體積膨脹的規律;通過x射線衍射技術分析了隨球磨時不同,的生成情況。
  16. Before 900 c, ti reacts with al to form tial intermetallics ; above 900 c, c reacts with remain ti to form tic triggered by the exothermal reaction of ti and al ; tial reacts with tic to produce dense tial / ti2alc composites

    的放熱反應引發c和未反應完全的ti反應生成tic ; tiai和tic反應併合成緻密tiai / tizaic復合材料。通過保溫階段, tizaic長成層狀多品結構,同時復合材料緻密
  17. Tial - matrix intermetallic compounds have become one of the hottest high - temperature structural materials recently, due to its excellent high - temperature properties and lower density

    Tial基因具有優良的高溫性能和較低的密度,從而成為目前世界上研究最為熱門的高溫結構材料之一。
  18. The planeness and integrality of the flier - plate were ensured effectively by exerting restrictive pressure, controlling heating and cooling rate, lowering welding temperature or reducing welding time as much as possible, etc. theoretical model of creating quasi - isentropic compression via 93w - ofc - tc4 - a1 - mb2 system flier - plate with graded wave impedance was established, and numerical simulation of the impact process was then carried out

    採取施加外部機械力、控制升降溫速率以及盡量降低焊接溫度或減少焊接時(防止脆性的過度增長)等措施,確保了焊接接頭的平整性和界面結構的完整性。建立起梯度飛片擊靶的理論模型,對93w - ofc - tc _ 4 - al - mb _ 2系波阻抗梯度飛片的擊靶過程進行了數值模擬計算。
  19. The essential factors for different growth rate of imc were analysed as well

    本文還分析了生長速率差異的本質因素。
  20. The efficiency of the sample made in alkaline catalyst is 79 % and a first charge capacity of 201. 2mah ? g ~ ( - 1 )

    在900條件材料出現了一定量的硅銅( cu3si相) ,但材料的電學性能沒有明顯提高。
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