Damage evolution, localization and failure of solids subjected to impact loading
文献类型：期刊论文
| 作者 | Bai YL(白以龙) ; Bai J(白洁); Li HL(李晖凌); Ke FJ(柯孚久); Xia MF(夏蒙棼)
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| 刊名 | International Journal of Heat and Mass Transfer
 |
| 出版日期 | 2000 |
| 卷号 | 24期号:6-7页码:685-701 |
| ISSN号 | 0734-743X |
| 通讯作者 | Bai, YL (reprint author), Chinese Acad Sci, Inst Mech, Lab Non Linear Mech Continuous Media, Beijing 100080, Peoples R China. |
| 中文摘要 | In order to reveal the underlying mesoscopic mechanism governing the experimentally observed failure in solids subjected to impact loading, this paper presents a model of statistical microdamage evolution to macroscopic failure, in particular to spallation. Based on statistical microdamage mechanics and experimental measurement of nucleation and growth of microcracks in an Al alloy subjected to plate impact loading, the evolution law of damage and the dynamical function of damage are obtained. Then, a lower bound to damage localization can be derived. It is found that the damage evolution beyond the threshold of damage localization is extremely fast. So, damage localization can serve as a precursor to failure. This is supported by experimental observations. On the other hand, the prediction of failure becomes more accurate, when the dynamic function of damage is fitted with longer experimental observations. We also looked at the failure in creep with the same idea. Still, damage localization is a nice precursor to failure in creep rupture. |
| 学科主题 | 力学 |
| 类目[WOS] | Engineering, Mechanical ; Mechanics |
| 研究领域[WOS] | Engineering ; Mechanics |
| 关键词[WOS] | ALUMINUM-ALLOY ; RUPTURE |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000087666100014 |
| 公开日期 | 2007-06-15 ; 2007-12-05 ; 2009-06-23 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/16244]  |
| 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 | Bai YL,Bai J,Li HL,et al. Damage evolution, localization and failure of solids subjected to impact loading[J]. International Journal of Heat and Mass Transfer,2000,24(6-7):685-701. |
| APA | 白以龙,白洁,李晖凌,柯孚久,&夏蒙棼.(2000).Damage evolution, localization and failure of solids subjected to impact loading.International Journal of Heat and Mass Transfer,24(6-7),685-701. |
| MLA | 白以龙,et al."Damage evolution, localization and failure of solids subjected to impact loading".International Journal of Heat and Mass Transfer 24.6-7(2000):685-701. |
入库方式： OAI收割
来源：力学研究所
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