CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Effects of 1 MeV electrons on the deformation mechanisms of polyethylene/carbon nanotube composites
Yang, JQ; Zhang, XD; Liu, CM; Li, XJ; Li, HX; Ma, GL; Tian, F
2017
Source PublicationNUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
ISSN0168-583X
Volume409Issue:-Pages:2-8
Subtype期刊论文
AbstractPolymer nano-composites, especially in polyethylene (PE)/carbon nanotube (CNT) composites can be employed as radiation shielding and structural materials in space. When the PE/CNT compositesare used in space, it is easy to suffer from radiation damage caused by charged particles. However, few studies about deformation mechanisms of the compogtes exposed to electron become available so far. In this paper, mutiwalled carbon nanotubes (MWCNTs) were incorporated into low density polyethylene (LDPE) with MWCNT loadings concentrations of 0.1 wt%. The structural evolution during uniaxial tensile deformation of the LDPE/0.1% MWCNT composites before and after 1 MeV electrons were investigated by means of a small angle X-ray scattering (SAXS) and wide angle X-ray diffraction (WAXD). Experimental results show that 1 MeV electrons obviously increase the ultimate tensile strength of the LDPE/MWCNT composites. From SAXS and WAXD analyses, it is shown that 1 MeV electrons inhibit the disintegration and the rotation of the lamellae, and slow down the formation of the new crystals. It is concluded that the intense interaction between MWCNTs and LDPE matrix and the crosslinking strengthening generated by 1 MeV electrons is the dominant reason for the changes of the deformation behaviors of LDPE. (C) 2017 Published by Elsevier B.V.
KeywordStrain-induced Crystallization Low-density Polyethylene Beam Irradiation Films Degradation Nanocomposite Polypropylene
DOI10.1016/j.nimb.2017.04.046
Indexed BySCI
WOS KeywordSTRAIN-INDUCED CRYSTALLIZATION ; LOW-DENSITY POLYETHYLENE ; BEAM IRRADIATION ; FILMS ; DEGRADATION ; NANOCOMPOSITE ; POLYPROPYLENE
Language英语
WOS IDWOS:000413279700002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28630
Collection中科院上海应用物理研究所2011-2020年
Recommended Citation
GB/T 7714
Yang, JQ,Zhang, XD,Liu, CM,et al. Effects of 1 MeV electrons on the deformation mechanisms of polyethylene/carbon nanotube composites[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,2017,409(-):2-8.
APA Yang, JQ.,Zhang, XD.,Liu, CM.,Li, XJ.,Li, HX.,...&Tian, F.(2017).Effects of 1 MeV electrons on the deformation mechanisms of polyethylene/carbon nanotube composites.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,409(-),2-8.
MLA Yang, JQ,et al."Effects of 1 MeV electrons on the deformation mechanisms of polyethylene/carbon nanotube composites".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 409.-(2017):2-8.
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