Effective elastic modulus of bone-like hierarchical materials
文献类型：期刊论文
| 作者 | Zuo SC(左树春) ; Wei YG(魏悦广)
|
| 刊名 | Acta Mechanica Solida Sinica
 |
| 出版日期 | 2007 |
| 卷号 | 20期号:3页码:198-205 |
| 通讯作者邮箱 | ywei@lnm.imech.ac.cn |
| 关键词 | Hierarchical Materials Tension-Sheax Chain Model Shear-Lag Model Mechanical-Properties Fracture Nacre Organization Deformation Tension Model |
| ISSN号 | 0894-9166 |
| 通讯作者 | Wei, YG (reprint author), Chinese Acad Sci, Inst Mech, LNM, Beijing 100080, Peoples R China. |
| 中文摘要 | A shear-lag model is used to study the mechanical properties of bone-like hierarchical materials. The relationship between the overall effective modulus and the number of hierarchy level is obtained. The result is compared with that based on the tension-shear chain model and finite element simulation, respectively. It is shown that all three models can be used to describe the mechanical behavior of the hierarchical material when the number of hierarchy levels is small. By increasing the number of hierarchy level, the shear-lag result is consistent with the finite element result. However the tension-shear chain model leads to an opposite trend. The transition point position depends on the fraction of hard phase, aspect ratio and modulus ratio of hard phase to soft phase. Further discussion is performed on the flaw tolerance size and strength of hierarchical materials based on the shear-lag analysis. |
| 类目[WOS] | Materials Science, Multidisciplinary ; Mechanics |
| 研究领域[WOS] | Materials Science ; Mechanics |
| 关键词[WOS] | MECHANICAL-PROPERTIES ; FRACTURE ; NACRE ; ORGANIZATION ; DEFORMATION ; TENSION ; MODEL |
| 收录类别 | SCI ; EI |
| 语种 | 英语 |
| WOS记录号 | WOS:000250454300002 |
| 公开日期 | 2009-08-03 ; 2010-06-13 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/33887]  |
| 专题 | 力学研究所_力学所知识产出(1956-2008) |
| 推荐引用方式 GB/T 7714 | Zuo SC,Wei YG. Effective elastic modulus of bone-like hierarchical materials[J]. Acta Mechanica Solida Sinica,2007,20(3):198-205. |
| APA | 左树春,&魏悦广.(2007).Effective elastic modulus of bone-like hierarchical materials.Acta Mechanica Solida Sinica,20(3),198-205. |
| MLA | 左树春,et al."Effective elastic modulus of bone-like hierarchical materials".Acta Mechanica Solida Sinica 20.3(2007):198-205. |
入库方式： OAI收割
来源：力学研究所
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