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Title: A molecular dynamics investigation of the deformation mechanism and shape memory effect of epoxy shape memory polymers
Author: Yang H; Wang ZD; Guo YF; Shi XH(施兴华)
Source: SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
Issued Date: 2016-03
Volume: 59, Issue:3, Pages:634601
Abstract: Following deformation, thermally induced shape memory polymers (SMPs) have the ability to recover their original shape with a change in temperature. In this work, the thermomechanical properties and shape memory behaviors of three types of epoxy SMPs with varying curing agent contents were investigated using a molecular dynamics (MD) method. The mechanical properties under uniaxial tension at different temperatures were obtained, and the simulation results compared reasonably with experimental data. In addition, in a thermomechanical cycle, ideal shape memory effects for the three types of SMPs were revealed through the shape frozen and shape recovery responses at low and high temperatures, respectively, indicating that the recovery time is strongly influenced by the ratio of E-51 to 4,4'-Methylenedianiline.
Keyword: shape memory polymer ; molecular dynamics simulation ; thermomechanics
Language: 英语
Indexed Type: SCI ; EI ; CSCD
Corresponding Author: Guo, YF (reprint author), Beijing Jiaotong Univ, Inst Engn Mech, Beijing 100044, Peoples R China. ; Shi, XH (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Correspondent Email: yfguo@bjtu.edu.cn ; shixh@imech.ac.cn
DOI: 10.1007/s11433-015-5758-4
Related URLs: 查看原文
DOC Type: 期刊论文
WOS Subject: Physics, Multidisciplinary
WOS Subject Extended: Physics
WOS Keyword Plus: MOLECULAR-DYNAMICS ; SIMULATION
WOS ID: WOS:000369369600009
ISSN: 1674-7348
Funder: This work was supported by the National Natural Science Foundation of China (Grant Nos. 11272044 and 11023001).
Rank: [Yang, Hua; Wang, ZhengDao; Guo, YaFang] Beijing Jiaotong Univ, Inst Engn Mech, Beijing 100044, Peoples R China; [Shi, XingHua] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
Department: LNM微结构计算力学(筹)
Classification: 二类
First Institution (Yes or Not): False
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/58679
Appears in Collections:非线性力学国家重点实验室_期刊论文

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