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[求助]
請幫忙修改(潤色)自譯的英文摘要
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中文內(nèi)容(原文): 超級石墨烯是由大量石墨烯片組成的具有二維或三維連通網(wǎng)絡的結構體系,其中包含的原子數(shù)以億計。對于如此龐大的系統(tǒng),目前還沒有有效的方法對它進行模擬研究。因此,本項目將建立基于原子層次上的細胞自動機方法來擴展石墨烯材料的研究尺度,分析超級石墨烯的實際應用問題。由于石墨烯具有強度高、重量輕等優(yōu)良特性,極其適合于作為復合材料結構中的增強體。但要得到高強度的石墨烯增強復合材料,必須了解超級石墨烯結構的界面增強機理,提高石墨烯與基體材料之間的界面性能。因此,本研究將利用所建立的理論模型,定量計算功能化處理對超級石墨烯本身及其增強聚乙烯復合材料整體力學性能的影響,通過優(yōu)化界面參數(shù)進一步分析功能化處理對界面共價鍵、剪切強度及分子結構胞元等的影響。通過界面成鍵理論,晶體結構理論及其基本力學原理等,揭示超級石墨烯增強復合體的界面納觀增強機理。其分析方法和計算結果可用來指導超級石墨烯增強復合體的設計與制造。 待修改英文內(nèi)容: The super graphite is a two or three dimensional network structure connected by a number of graphite, and the structure is comprised of billions of atoms. So far, there is not yet an effective method to simulate such huge system. Therefore, the project will develop the cellular automata method based on atomic level to expand the study scale of graphite, and analyze the problem in the practical application of the super graphite. Graphite is particularly suitable as promising reinforcing material in complex for its good characteristic of high strength and light weight. But to get the high strength graphite composite, the reinforcement mechanism of super graphite complex at interface have to know so that the performance of the interface between graphite and matrix can be raised. For this reason, the effect of functional processing on the mechanics properties of super graphite itself and its enhanced polyethylene composite are calculated quantitatively by using the theoretical analysis model, that on covalent bond, shear strength and molecular structure cell at interface are further analyzed by optimizing interfacial parameter. The reinforcement mechanisms of super graphite complex at interface are revealed based on the interfacial bonding theory, crystal structure theory and basic mechanical principle and so on. The analysis method calculating results can be used for the guidance of the design and manufacturing of super graphite enhanced complex. [ Last edited by 168yjh on 2012-1-17 at 14:09 ] |
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