Viscous-force-dominated tensile deformation behavior of oriented polyethylene
文献类型：期刊论文
| 作者 | Na B ; Zhang Q ; Fu Q ; Men YF ; Hong K ; Strobl G |
| 刊名 | macromolecules
 |
| 出版日期 | 2006 |
| 卷号 | 39期号:7页码:2584-2591 |
| ISSN号 | 0024-9297 |
| 关键词 | PLANE-STRAIN COMPRESSION X-RAY-SCATTERING HIGH-DENSITY POLYETHYLENE SIMULTANEOUS SMALL-ANGLE SEMICRYSTALLINE POLYMERS ISOTACTIC POLYPROPYLENE MOLECULAR-PARAMETERS ETHYLENE COPOLYMERS PART II CRYSTALLIZATION |
| 通讯作者 | fu q |
| 中文摘要 | high-density polyethylene with shish-kebab structure, prepared by a melt extrusion drawing, was employed to investigate the effect of the well-defined lamellar orientation on the deformation characteristics under uniaxial tensile deformation along the drawing direction. this was done by investigating the true stress-true strain dependencies at different strain rates, recovery properties, and stress relaxation measurements. measurements were complemented by recording in-situ wide-angle x-ray scattering patterns during the deformation process. the oriented samples showed not only a higher modulus, but different from analogous isotropic samples, a homogeneous deformation without necking. the true strain associated with the onset of fibrillation was determined. because of the preorientation, it is shifted to 0.3, which is below the value 0.6 of the isotropic counterpart. the main finding is a strong enhancement of the viscous force, as was revealed by stress relaxation experiments; the viscous force takes up 70% of the total stress. the presence of shish-kebabs, i.e., interconnected lamellae in a stack, seems to be responsible for the high viscous force in the oriented samples. the absence of necking has to be ascribed to the high viscous force. |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000236574400025 |
| 公开日期 | 2010-08-17 |
| 源URL | [http://ir.ciac.jl.cn/handle/322003/16009]  |
| 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 | Na B,Zhang Q,Fu Q,et al. Viscous-force-dominated tensile deformation behavior of oriented polyethylene[J]. macromolecules,2006,39(7):2584-2591. |
| APA | Na B,Zhang Q,Fu Q,Men YF,Hong K,&Strobl G.(2006).Viscous-force-dominated tensile deformation behavior of oriented polyethylene.macromolecules,39(7),2584-2591. |
| MLA | Na B,et al."Viscous-force-dominated tensile deformation behavior of oriented polyethylene".macromolecules 39.7(2006):2584-2591. |
入库方式： OAI收割
来源：长春应用化学研究所
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