al ray 中文意思是什麼

al ray 解釋
言論報
  • al : 1. Arab League 阿拉伯聯盟。2. American Legion 美國軍團。
  • ray : n 雷〈姓氏,男子名, Raymond 的昵稱〉。n 1 光線,射線,熱線;〈詩〉光輝,閃爍,曙光,一線光明。2 ...
  1. Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )

    本研究以武裝直升飛機防護裝甲材料為研究對象,採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料,結合其力學性能、掃描電鏡和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面現象,以及材料增強和斷裂機理,並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮破壞響應進行了研究,分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下,材料的變形和微觀損傷機理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
  2. 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:金屬間化合物厚度與老化時間的關系符合拋物線法則,金屬間化合物的生長對老化溫度比老化時間更加敏感; cu - al金屬間化合物生長的激活能為97 . 1kj / mol ,老化后金屬間化合物呈層狀分佈,主要相為cual2和cu9al4 ; au - al金屬間化合物生長的激活能為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 ;老化過程中cu - al金屬間化合物生長速率比au - al金屬間化合物生長速率小103數量級;金絲球鍵合點200老化96小時出現了明顯的kirkendall空洞和裂紋,但銅絲球鍵合點200老化2900小時和250老化169小時都沒有形成空洞和裂紋。
  3. It is used in solar cells and semiconductor detectors for astrophysical research, for x - ray fluorescence ( xrf ) analysis, industrial gauging, nuclear proliferation treaty verifaction et. al, and also in laser window and infrared array technology as subtriate for hg1 - xcdxte

    同時它還可作為紅外探測器材料碲鎘汞( hgcdte )和外延襯底,以及激光窗口和太陽電池等。
  4. The research of this paper includes : ? high - speed photography and flash x - ray radiography are both used to capture the process of al shell ' s great deformation under low pressure. front illuminations are used to get the development of the fracture on the al shell. the relative energy release is analyzed from overpressure curves measured with some sensors

    本文的研究內容主要包括: ?在受試炸藥經歷低應力大變形過程的susan試驗中,同時採用高速攝影、閃光x射線照相對彈體的撞靶過程進行了拍攝,得到了殼體膨脹變形過程圖像,並使用前照明技術觀察到了鋁殼表面產生的裂紋及其發展變化過程;從壓力傳感器測量的空氣沖擊波超壓曲線,獲得反應釋放總能。
  5. Main curricula : the introduction of material science and engineering, agglomerate state physics, polymer material, the technology of x - ray, physics, metal material science, inorganic chemistry, organic chemistry, physical chemistry et al

    主要課程:材料科學工程導論,凝聚態物理,高分子材料,高分子科學, x射線學,物理學,金屬材料學,無機化學,物理化學等
  6. In this paper, transparent conducting zno thin films doped with al have been prepared by sol ? gel method, which were characterized by x - ray diffraction, atomic force microscopy and ultra - violet spectrometer

    因此, zno : al薄膜逐漸成為ito薄膜的最佳替代材料,被廣泛的應用於光電顯示、太陽能電池和熱鏡等領域中。
  7. They were applied in inertial confinement fusion program ( icf ), and experiments of the x - ray et al

    它們在慣性約束核聚變物理( icf ) ,高壓狀態方程研究, x光激光實驗研究等方面均有大量的應用。
  8. In this article, molybdenum wire multi - doped with la2o3 and k, al, si, molybdenum wire doped with k, al, si and molybdenum wire doped with la2o3 or y2o3 are analyzed by dsc, hot - draw, sem, optical microscope, micro - hardness, x - ray and tem. it is found that multi - doped molybdenum wire is better at elevating the recrystallization temperature and improving the micro - structure and mechanic properties after recrystallization than molybdenum wire doped with k, al, si

    本文通過差熱分析、熱模擬、掃描電鏡、金相顯微鏡、顯微硬度、 x射線衍射和透射電鏡等實驗手段對復合摻雜k 、 al 、 si和稀土氧化物的鉬絲、單摻雜k 、 al 、 si的鉬絲以及單摻雜稀土氧化物的鉬絲的再結晶溫度、高溫下的綜合力學性能和組織形貌進行了綜合對比分析。
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