Origin of Stress Overshoot during Startup Shear of Entangled Polymer Melts
文献类型：期刊论文
| 作者 | ACS MACRO LETTERS |
| 刊名 | lu,yuyuan;an,lijia;wang,shi-qing;wang,zhen-gang
 |
| 出版日期 | 2014 |
| 卷号 | 3期号:6页码:569-573 |
| 关键词 | MOLECULAR-DYNAMICS HIGH-RATES FLOW SIMULATIONS BEHAVIOR PATH COMPUTER RHEOLOGY SYSTEMS |
| 通讯作者 | an,lj |
| 英文摘要 | using brownian dynamics simulation, we determine the chain orientation and stretching and their connection to stress overshoot in an entangled polymer melt undergoing startup shear at rates lower than the reciprocal of the rouse time yet higher than the reciprocal of the reptation time. in this rate regime, the prevailing tube theory attributes the stress overshoot to alignment of the primitive chain. in contrast, our results reveal that there is substantial chain stretching that persists well beyond the rouse time, and it contributes significantly to the initial stress growth. in particular, stress overshoot is found to be primarily due to chain retraction after considerable stretching rather than chain orientation. |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000337644500016 |
| 源URL | [http://ir.ciac.jl.cn/handle/322003/53020]  |
| 专题 | 长春应用化学研究所_长春应用化学研究所知识产出_期刊论文 |
| 推荐引用方式 GB/T 7714 | ACS MACRO LETTERS. Origin of Stress Overshoot during Startup Shear of Entangled Polymer Melts[J]. lu,yuyuan;an,lijia;wang,shi-qing;wang,zhen-gang,2014,3(6):569-573. |
| APA | ACS MACRO LETTERS.(2014).Origin of Stress Overshoot during Startup Shear of Entangled Polymer Melts.lu,yuyuan;an,lijia;wang,shi-qing;wang,zhen-gang,3(6),569-573. |
| MLA | ACS MACRO LETTERS."Origin of Stress Overshoot during Startup Shear of Entangled Polymer Melts".lu,yuyuan;an,lijia;wang,shi-qing;wang,zhen-gang 3.6(2014):569-573. |
入库方式： OAI收割
来源：长春应用化学研究所
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