Discontinuous growth mechanisms of mode II crack under high-speed impact conditions
文献类型：会议论文
| 作者 | Ma W(马维) ; Ma W
|
| 出版日期 | 2008 |
| 会议名称 | International Conference on Structural Integrity and Failure/International Conference on Failure Analysis and Maintenance Technologies |
| 会议日期 | JUL 09-11, 2008 |
| 会议地点 | Perth, AUSTRALIA |
| 关键词 | Plate Impact Tests Dynamic Fracture Failure Mode Transition Intersonic Crack Extension Discontinuous Crack Growth Model Dynamic Fracture Shear Transitions |
| 页码 | 169-173 |
| 通讯作者 | Ma W |
| 中文摘要 | A recoverable plate impact testing technology has been used for studying the growth mechanisms of mode II crack. The results show that interactions of microcracks ahead of a crack tip cause the crack growth unsteadily. Failure mode transitions of materials were observed. Based on the observations, a discontinuous crack growth model was established. Analysis shows that the shear crack grows unsteady as the growth speed is between the Rayleigh wave speed c(R) and the shear wave speed c(s); however, when the growth speed approaches root 2c(s), the crack grows steadily. The transient microcrack growth makes the main crack speed to jump from subsonic to intersonic and the steady growth of all the sub-cracks leads the main crack to grow stably at an intersonic speed. |
| 收录类别 | CPCI-S |
| 会议网址 | http://www.scientific.net/AMR.41-42.169 |
| 会议录 | Structural Integrity And Failure
 |
| 会议录出版者 | Stafa-Zurich |
| 会议录出版地 | Trans Tech Publications Ltd |
| 语种 | 英语 |
| ISSN号 | 1022-6680 |
| ISBN号 | 978-0-87849-386-9 |
| WOS记录号 | WOS:000257176700023 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/25394]  |
| 专题 | 力学研究所_力学所知识产出(1956-2008) |
| 通讯作者 | Ma W |
| 推荐引用方式 GB/T 7714 | Ma W,Ma W. Discontinuous growth mechanisms of mode II crack under high-speed impact conditions[C]. 见:International Conference on Structural Integrity and Failure/International Conference on Failure Analysis and Maintenance Technologies. Perth, AUSTRALIA. JUL 09-11, 2008.http://www.scientific.net/AMR.41-42.169. |
入库方式： OAI收割
来源：力学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。