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| 題 名 | Micromechanics and Effective Elastic Moduli of Multiphase Composites Containing Randomly Dispersed Interacting Spherical Inclusions of Different Properties=微觀力學及多相複合材料含有隨機分佈交互作用不同性質置入相之有效彈性模數 |
|---|---|
| 作 者 | 林秉如; | 書刊名 | 東南學報 |
| 卷 期 | 35 2010.07[民99.07] |
| 頁 次 | 頁75-87 |
| 分類號 | 440.34 |
| 關鍵詞 | 微觀力學; 彈性性質; 顆粒交互作用; 多相複合材料; Micromechanics; Elastic properties; Particle interaction; Multiphase composites; |
| 語 文 | 英文(English) |
| 中文摘要 | 摘 要 本文提出一以微觀力學為基礎分析之架構來研究多相複合材料之有效機械性質, 其中複合材料含有多種隨機分佈成對交互作用之置入相,且置入相具有不同彈性性 質。推導兩隨機安排不同彈性球型顆粒交互作用問題的局部近似解。藉由兩顆粒局部近似解及統計整體體積平均場之方程式,以兩種不同模式來推導多相複合材料有效彈 性模數之表示式。比較文獻中之實驗資料及Mori-Tanaka 方法,本研究方法在預測多相 複合材料有效彈性模數上得到不錯的預測值,進而將所推得的公式,以簡易方式表 達,供方便使用。 |
| 英文摘要 | Abstract A micromechanics-based analytical framework is proposed to investigate effective mechanical properties of multiphase composites containing various phases of randomly dispersed yet pairwisely interacting spherical inclusions in this paper. Specifically, the inclusion phases feature different elastic properties. Approximate local solutions for the interaction problem of two randomly located spherical particles of distinct elastic properties are presented. By employing the approximate, probabilistic particle interaction formulation coupled the statistical ensemble-volume average field equations, the two non-equivalent formulations are considered in detail to derive effective elastic moduli of multiphase composites. Comparison with experiment data and Mori-Tanaka method, the current approach gives better predictions on the effective moduli of multiphase composites. Moreover, the suggested solutions can be expressed in a simple explicit form and very convenient for applications. |
本系統中英文摘要資訊取自各篇刊載內容。