interfacial energy 中文意思是什麼

interfacial energy 解釋
界面間能量
  • interfacial : adj. 1. 界面的,面際的。2. 界面角的。
  • energy : n. 1. 干勁,活力。2. (語言、行為等的)生動。3. 〈pl. 〉 (個人的)精力;能力。4. 【物理學】能,能量。
  1. Itr ( interfacial thermal resistance ) has been one of the important problems to be resolved in many fields such as avigation, spaceflight, biomedicine, energy, mechanism and low tc superconductor

    界面熱阻是航空、航天、生物醫學、能源、機械、低溫超導領域中關註解決的重要問題之一。
  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. 2. because the fracture mode of 3d braided cmc is the interfacial fracture of mode i and mode ii, energy release rate gc and complex stress intensity factor kc was designated as characterization parameters of fracture toughness in the linear fracture theories. 3

    根據三維編織c sic復合材料斷裂韌性的表徵問題屬于線彈性理論范疇以及材料斷裂模式是界面損傷破壞模式的實驗研究結果,提出了該材料的表徵參量應該使用與界面相關的型和型混合斷裂的能量釋放率g _ c ,或者使用復應力強度因子k _ c 。
  4. The results show that the dynamic elastic modulus, loss modulus and complex viscosity of the nanocomposite are higher than those of pp, while the loss factor is lower, that the complex viscosity of the nanocomposites is more sensitive to temperature, and that the flow activation energy and the crystallization temperature increase respectively by 15 % and 10k as compared with pp, which may contribute to the enhanced interfacial interaction between pp and ommt resulting from the addition of tmpp

    結果表明:與純聚丙烯相比,納米復合材料具有較高的動態彈性模量、損耗模量和復合粘度,力學損耗因子則降低,納米復合材料的復合粘度對溫度的敏感性略高於聚丙烯;界面改性劑的加入增強了有機蒙脫土與聚丙烯的界面作用,與聚丙烯相比,納米復合材料的流動活化能提高約15 % ,結晶峰溫度提高10k左右。
  5. Bi - material interfacial fracture theories are researched with a phenomenon that cracks extend along interface. a gradient invading model of interface crack at the crack tip can gain stress fields along interface. so a formula of energy release rate for 3d braided cmc is deduced and the corrected formula of the energy release rate is examined with test results

    研究了裂紋沿界面擴展的雙材料界面斷裂理論,利用傾斜侵入界面的裂紋模型解析了裂紋尖端沿著界面的應力場,推導了表徵三維編織cmc復合材料斷裂韌性的能量釋放率公式g _ c ,並且用試驗結果驗證了能量釋放率公式的正確性。
  6. The metastable austenitic phase of s s fiber at the interface of the fiber / cu composite would turn back to equilibrium with the interfacial energy and inter stain inducing, when the cu films were separated from s s fiber. so the magnetism value of the s s fiber declined. the information of grain - orientation at the interface of the fiber / cu composite can serve as a mechanism responsible for its declining coercivity, and a part of cu elements diffused into s s fibers

    不銹鋼纖維銅復合體去除銅層后,原有的界面能及應力下降,使得原纖維界面處弱磁性的部分亞穩奧氏體,恢復到平衡態,它們對樣品s測試結果不再有貢獻;不銹鋼纖維銅復合體中,處于界面處的纖維晶粒具有很強的軸向取向排列,當晶粒取向性減弱,磁疇轉動的阻力增加,磁體的矯頑力上升。
  7. A correlation was studied out here :, for experiment with sparger 1 # ;, for experiment with sparger 2 #. sparger decreased interfacial heat transfer coefficient, total clotted liquid and steam energy transfer and weakened surface temperature vibration. it also decreased thickness of hot water layer, attenuated steam condensation and shortened the time of balance

    加裝遮流板使實驗初期階段的表面冷凝換熱系數hif降低76 93 ;減少了累計凝結量67以上;降低蒸汽流能量的傳遞,使表面溫度波動顯著降低;減少了熱水層的厚度;減緩了蒸汽凝結的劇烈程度,大大縮短了系統壓力平衡需要的時間。
  8. Thus lowering the interfacial energy of nanoparticles, improving compatibility between nanoparticles and polymer, and weakening interfacial polarity of nanoparticles become the most important technological problems for surface modification of nanoparticles

    因此降低納米粒子的表面能,提高納米粒子與聚合物的相容性,減弱納米粒子的表面極性是納米粒子表面改性的關鍵性技術問題。
  9. Combining quantum chemistry calculation with experimental evaluation, the activation energies of possible interfacial reaction were calculated. it is shown that the first step in which the atomic ti, c and si were decomposed from ti matrices and fiber, respectively, is a rate - controlling step because the activation energy of the step is larger than second one

    量子化學計算與經驗估算相結合,求出了可能發生的界面反應的活化能,表明第一步驟的活化能遠大於第二步驟的活化能,因而第一步驟是反應的動力學控制因素,在這一步驟中,原子態的ti 、 si 、 c分別從基體鈦合金和纖維中分解出來。
  10. In this study, a kind of pcm is used in architecture field, it can make room comfortable and save energy. microcapsulation of pcm ( micropcms ) offers a measure to solve the super - cool problem and interfacial combine with circumstance materials

    相變材料應用於建築材料的方式之一是將其微膠囊化( micropcm ) ,這可以解決相變材料的疲勞及相變材料與周圍材料界面等問題,使材料具有較長的使用壽命。
  11. At the same time, the energy absorbed in the crack propagation phase decreases relatively that lead to overall energy absorption of the composites increases slightly, it is greater than 12. 89 %. by observing the appearance of the damage area, it can be found that the mode of damage is influenced by the interfacial shear strength. if the interfacial shear strength is low, fiber pull - out is the primary energy - absorbing mechanisms, whereas the dominant energy - absorbing mechanisms changes into fiber / matrix debonding and delamination when the interfacial shear strength is stronger

    界面剪切強度增加后,材料的沖擊極限載荷有所增加,在裂紋起始區吸收的引發能增加較多,其中增強纖維經等離子體處理6分鐘的試樣所吸收的引發能增加了18 . 57 % ;由於裂紋擴展階段所吸收的能量相對有所下降,材料總的能量吸收能力雖有所改善,但增加不多,其中界面剪切強度增加最多的試樣,吸收的總能量增加了12 . 89 % 。
  12. The fracture energy of cu / - aiodiffusion - welded joints was greatly increased by the introduction of the thin film nb interlayer whereas diffusion welding can be performed at a relatively low temperature ( 900 ). the increase in fracture energy of the joints with nb film interlayer was attributed to the strong abhesion of nb to - aio combined with larger plastic deformation in the metal side during fracture tem observations showed large amounts of dislocations existing at the interfacial regions

    本文主要內容就是概括地介紹了國內外關于擴散連接接頭行為數值模擬的發展現狀;主要包括界面孔洞消失過程、接頭元素擴散與反應層的形成、接頭變形與應力行為的數值模擬,以使人們能夠定性或半定量的分析擴散連接因素對接頭性能的影響。
  13. But because of inorganic particles " smaller dimension, bigger specific surface area, higher interfacial energy, they agglomerate very easily, and consequently ca n ' t exert nanometric effect to full extent

    但是由於無機納米粒子粒徑小、比表面積大、表面能高,極易相互團聚,難以最大限度地發揮納米效應。
  14. Moreover, when the filaments are treated for 12 minutes, the interfacial shear stress will be lower than that treated for 6 minutes. izod pendulum is used to test the influence of the fiber / matrix bond strength on the low velocity impact responses of the composites. the curves of energy - time, force - time and velocity - time are obtained by a data acquisition system

    用擺錘低速沖擊儀對界面粘結強度不同的材料進行沖擊試驗,藉助數據採集系統得到沖擊過程中材料吸收的總能量、承受載荷、擺錘速度等參數與時間的關系曲線,並通過pc機處理,將載荷?時間曲線轉化為載荷?位移曲線。
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