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| 1 | A novel implementation algorithm of asymptotic homogenization for predicting the effective coefficient of thermal expansion of periodic composite materials显示文摘Asymptotic homogenization(AH) is a general method for predicting the effective coefficient of thermal expansion(CTE) of periodic composites. It has a rigorous mathematical foundation and can give an accurate solution if the macrostructure is large enough to comprise an infinite number of unit cells. In this paper, a novel implementation algorithm of asymptotic homogenization(NIAH) is developed to calculate the effective CTE of periodic composite materials. Compared with the previous implementation of AH, there are two obvious advantages. One is its implementation as simple as representative volume element(RVE).The new algorithm can be executed easily using commercial finite element analysis(FEA) software as a black box. The detailed process of the new implementation of AH has been provided. The other is that NIAH can simultaneously use more than one element type to discretize a unit cell, which can save much computational cost in predicting the CTE of a complex structure. Several examples are carried out to demonstrate the effectiveness of the new implementation.This work is expected to greatly promote the widespread use of AH in predicting the CTE of periodic composite materials. | Yongcun Zhang Shipeng Shang Shutian Liu | 2017 | Acta Mechanica Sinica2017，33，2： | 6 |
| 2 | Protective humoral immunity in SARS-CoV-2 infected pediatric patients显示文摘After the rapid spread of SARS-CoV-2 in Wuhan,China,at the beginning of 2020,about 1.5 million confirmed cases and over 80,000 deaths have been reported around 200 countries and territories all over the world and the number continues to increase.However,we still have limited knowledge of this new coronavirus,especially the interaction between SARS-CoV-2 and our immune system. | Yaguang Zhang Jin Xu Ran Jia Chunyan Yi Wangpeng Gu Pengcheng Liu Xinran Dong Hao Zhou Bo Shang Shipeng Cheng Xiaoyu Sun Jing Ye Xuezhen Li Jia Zhang Zhiyang Ling Liyan Ma Bingbing Wu Mei Zeng Wenhao Zhou Bing Sun | 2020 | Cellular & Molecular Immunology2020，17，7： | 2 |
| 3 | Ultra-thin robust CNT@GC film integrating effective electromagnetic shielding and flexible Joule heating显示文摘The demand for lightweight,thin electromagnetic interference(EMI)shielding film materials with high shielding effectiveness(SE),excellent mechanical properties,and stability in complex environments is particularly pronounced in the realm of flexible and portable electronic products.Here,we developed an ultra-thin film(CNT@GC)in which the glassy carbon(GC)layer wrapped around and welded carbon nanotubes(CNTs)to form a core-shell network structure,leading to exceptional tensile strength(327.2 MPa)and electrical conductivity(2.87×10^(5) S·m^(−1)).The CNT@GC film achieved EMI SE of 60 dB at a thickness of 2µm after post-acid treatment and high specific SE of 3.49×10^(5) dB·cm^(2)·g^(−1),with comprehensive properties surpassing those of the majority of previous shielding materials.Additionally,the CNT@GC film exhibited Joule heating capability,reaching a surface temperature of 135℃at 3 V with a fast thermal response of about 0.5 s,enabling anti-icing/de-icing functionality.This work presented a methodology for constructing a robust CNT@GC film with high EMI shielding performance and exceptional Joule heating capability,demonstrating immense potential in wearable devices,defense,and aerospace applications. | Ding Zhang Chunhui Wang Meng Li Weixue Meng Shipeng Zhang Mengdan Yang Xinguang Huang Yingjiu Zhang Yuanyuan Shang Anyuan Cao | 2024 | Nano Research2024，17，5： | 0 |
| 4 | Conductive hydrogels incorporating carbon nanoparticles:A review of synthesis,performance and applications显示文摘As one of the most rapidly expanding materials,hydrogels have gained increasing attention in a variety of fields due to their biocompatibility,degradability and hydrophilic properties,as well as their remarkable adhesion and stretchability to adapt to different surfaces.Hydrogels combined with carbon-based materials possess enhanced properties and new functionalities,in particular,conductive hydrogels have become a new area of research in the field of materials science.This review aims to provide a comprehensive overview and up-to-date examination of recent developments in the synthesis,properties and applications of conductive hydrogels incorporating several typical carbon nanoparticles such as carbon nanotubes,graphene,carbon dots and carbon nanofibers.We summarize key techniques and mechanisms for synthesizing various composite hydrogels with exceptional properties,and represented applications such as wearable sensors,temperature sensors,supercapacitors and human-computer interaction reported recently.The mechanical,electrical and sensing properties of carbon nanoparticles conductive hydrogels are thoroughly analyzed to disclose the role of carbon nanoparticles in these hydrogels and key factors in the microstructure.Finally,future development of conductive hydrogels based on carbon nanoparticles is discussed including the challenges and possible solutions in terms of microstructure optimization,mechanical and other properties,and promising applications in wearable electronics and multifunctional materials. | Shipeng Zhang Bo Zhao Ding Zhang Mengdan Yang Xinguang Huang Lei Han Kun Chen Xinjian Li Rui Pang Yuanyuan Shang Anyuan Cao | 2023 | Particuology2023，，12： | 0 |
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