Institutional Repository of Chinese Acad Sci, Inst Adv Mfg Technol, Hefei Inst Phys Sci, Huihong Bldg,Changwu Middle Rd 801, Changzhou 213164, Jiangsu, Peoples R China
Alignment of carbon iron into polydimethylsiloxane to create conductive composite with low percolation threshold and high piezoresistivity: experiment and simulation | |
Dong, Shuai1,2; Wang, Xiaojie2 | |
2017-04-01 | |
发表期刊 | SMART MATERIALS AND STRUCTURES |
摘要 | In this study, various amounts of carbonyl iron particles 9CIPs) were cured into polydimethylsiloxane 9PDMS) matrix under a magnetic field up to 1.0 T to create anisotropy of conductive composite materials. The electrical resistivity for the longitudinal direction was measured as a function of filler volume fraction to understand the electrical percolation behavior. The electrical percolation threshold 9EPT) of CIPs-PDMS composite cured under a magnetic field can be as low as 0.1 vol%, which is much less than most of those studies in particulate composites. Meanwhile, the effects of compressive strain on the electrical properties of CIPs-PDMS composites were also investigated. The strain sensitivity depends on filler volume fraction and decreases with the increasing of compressive strain. It has been found that the composites containing a small amount of CI particles curing under a magnetic field exhibit a high strain sensitivity of over 150. Based on the morphological observation of the composite structures, a two-dimensional stick percolation model for the CIPs-PDMS composites has been established. The Monte Carlo simulation is performed to obtain the percolation probability. The simulation results in prediction of the values of EPTs are close to that of experimental measurements. It demonstrates that the low percolation behavior of CIPs-PDMS composites is due to the average length of particle chains forming by external magnetic field. |
文章类型 | Article |
关键词 | Conductive Composite Polydimethylsiloxane Carbon Iron Alignment Percolation Threshold Piezoresistivity |
WOS标题词 | Science & Technology ; Technology |
DOI | 10.1088/1361-665X/aa62d2 |
关键词[WOS] | ELECTRICAL PERCOLATION ; POLYSTYRENE COMPOSITES ; MAGNETIC-FIELD ; NANOCOMPOSITES ; ELASTOMERS ; PARTICLES ; TRANSPORT ; BEHAVIOR ; SILVER |
收录类别 | SCI |
语种 | 英语 |
项目资助者 | National Nature Science Foundation of the People's Republic of China(11572320) ; National Nature Science Foundation of the People's Republic of China(11572320) ; National Nature Science Foundation of the People's Republic of China(11572320) ; National Nature Science Foundation of the People's Republic of China(11572320) ; National Nature Science Foundation of the People's Republic of China(11572320) ; National Nature Science Foundation of the People's Republic of China(11572320) ; National Nature Science Foundation of the People's Republic of China(11572320) ; National Nature Science Foundation of the People's Republic of China(11572320) ; National Nature Science Foundation of the People's Republic of China(11572320) ; National Nature Science Foundation of the People's Republic of China(11572320) ; National Nature Science Foundation of the People's Republic of China(11572320) ; National Nature Science Foundation of the People's Republic of China(11572320) ; National Nature Science Foundation of the People's Republic of China(11572320) ; 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WOS研究方向 | Instruments & Instrumentation ; Materials Science |
WOS类目 | Instruments & Instrumentation ; Materials Science, Multidisciplinary |
WOS记录号 | WOS:000398805100003 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.hfcas.ac.cn:8080/handle/334002/33353 |
专题 | 中科院合肥物质科学研究院先进制造技术研究所 |
作者单位 | 1.Univ Sci & Technol China, Dept Precis Machinery & Precis Instrumentat, Hefei 230026, Peoples R China 2.Chinese Acad Sci, Hefei Inst Phys Sci, Inst Adv Mfg Technol, Changzhou 213164, Peoples R China |
第一作者单位 | 中科院合肥物质科学研究院先进制造技术研究所 |
推荐引用方式 GB/T 7714 | Dong, Shuai,Wang, Xiaojie. Alignment of carbon iron into polydimethylsiloxane to create conductive composite with low percolation threshold and high piezoresistivity: experiment and simulation[J]. SMART MATERIALS AND STRUCTURES,2017,26(4):1-11. |
APA | Dong, Shuai,&Wang, Xiaojie.(2017).Alignment of carbon iron into polydimethylsiloxane to create conductive composite with low percolation threshold and high piezoresistivity: experiment and simulation.SMART MATERIALS AND STRUCTURES,26(4),1-11. |
MLA | Dong, Shuai,et al."Alignment of carbon iron into polydimethylsiloxane to create conductive composite with low percolation threshold and high piezoresistivity: experiment and simulation".SMART MATERIALS AND STRUCTURES 26.4(2017):1-11. |
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