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陈少华

职称:教授

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作者:Chao Wang,Shaohua Chen (LNM,Institute of Mechanics,Chinese Academy of Sciences,Beijing,100190,China;Institute of Advanced Structure Technology and Beijing Key Laboratory of LightweightMulti-functional Composite Materials and Structures,Beijing Institute of Technology,Beijing,100081,China)

出处:第十五届全国物理力学学术会议 2018

关键词:Graphene foam material;rubber-like constitutive behavior;energy dissipative mechanism;microstructural evolution;micro-mechanism

摘要:Recent experiments have shown that graphene foam materials exhibit a rubber-like constitutive behavior under uniaxial compression and a good energy di ...

作者:郭晓龙,姚寅,陈少华 (北京理工大学先进结构技术研究院;北京理工大学先进结构技术研究院;北京理工大学先进结构技术研究院)

出处:力学学报 2021

关键词:颗粒增强复合材料;界面强度;界面断裂韧性;拉伸实验;有限元

摘要:界面在颗粒增强复合材料中起到传递载荷的关键作用,界面性能对复合材料整体力学行为产生重要影响.然而由于复合材料内部结构较为复杂,颗粒与基体间的界面强度和界面断裂韧性难以确定,尤其是法向与切向界面强度的分别预测缺乏有效方法.本文以氧化锆颗粒增强聚二甲基硅氧烷(PDMS)复合材料为研究对象,提出一种预测颗 ...

作者:刘明1;,陈少华2; (1北京理工大学前沿交叉科学研究院;2北京理工大学先进结构技术研究院)

出处:北京力学会第二十九届学术年会 2023

关键词:功能表面;浸润性梯度;定向输运;可控路径;磁场操控

摘要:液滴输运在微流控、药物靶向治疗、微机电系统散热等领域具有重要应用,如何实现液滴的可控输运已成为人们关注的问题。本文提出一种磁响应薄膜的简单制备方法,实现了液滴在水平面上沿任意可控路径的输运。首先,将磁性颗粒填充在聚合物基体内并采用润滑液浸泡方式得到表面润滑的磁响应薄膜。然后,利用外加磁场激励,使薄膜 ...

作者:彭志龙,陈少华 (中国科学院力学研究所非线性力学国家重点实验室;北京理工大学先进结构技术研究院)

出处:第十四届全国物理力学学术会议 2016

作者:陈少华,王超,陈磊 (北京理工大学先进结构技术研究院;中国科学院力学研究所非线性力学国家重点实验室)

出处:第十四届全国物理力学学术会议 2016

作者:Jianan Huang1   2;Dawei Li1   2;Zhilong Peng1   2;Bo Zhang1   2;Yin Yao1   2;Shaohua Chen1   2; (1 Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing 100081, China. 2 Beijing Key Laboratory of Lightweight Multi-Functional Composite Materials and Structures, Beijing Institute of Technology, Beijing 100081, China.)

出处:ACS applied materials & interfaces 2023

关键词:anti-icing/deicing method;electrothermal conversion;energy utilization efficiency;graphene foam (GF);photothermal conversion.

摘要:Anti-icing/deicing has always been a focal issue in modern industries. A novel anti-icing/deicing material based on graphene foams (GF) is prepared in ...

作者:孙继达1,2;,姚寅1,2;,彭志龙1,2;,张博1,2;,陈少华1,2; (1北京理工大学先进结构技术研究院;2轻量化多功能复合材料与结构北京市重点实验室)

出处:固体力学学报 2023

关键词:柔性模板;曲率;毛细液桥组装

摘要:功能分子的组装方向和速率高度可控,使得毛细液桥组装方法在制备多维微结构方面具备独特优势,进而在生产拥有新颖光、电、磁等特性的微纳电子器件方面具备潜在的应用价值.但该方法为了控制功能分子的组装方向,往往依赖于光刻制备且侧面需疏水修饰的模板,从而使该方法步骤繁琐且生产成本较高.为了解决上述问题,本文首先 ...

作者:杨博林1;,宋博1;,张存2;,陈少华1; (1北京理工大学先进结构技术研究院;2石家庄铁道大学工程力学系)

出处:北京力学会第二十九届学术年会 2023

关键词:α-石墨炔纳米卷;脆韧转变;温度;微观机制

摘要:一维碳纳米材料通常具有高强度、高刚度以及脆性破坏的特点。本文采用分子动力学方法研究了α-石墨炔纳米卷(α-GNS)在单轴拉伸载荷作用下的脆韧转变行为及其微观机制。结果表明,随着温度从100 K升高至1000 K,α-GNS破坏模式从脆性破坏转变为韧性破坏,其临界脆韧转变温度(BDTT)为T ...

作者:Wang, Shuai1;Wang, Chao1;Peng, Zhilong1;Chen, Shaohua1; (1Beijing Institute of Technology; Beijing Institute of Technology; Chinese Academy of Sciences; Institute of Mechanics, CAS; Beijing Institute of Technology)

出处:NANOTECHNOLOGY 2020

关键词:SUPERHYDROPHOBIC SURFACES;WETTABILITY;WENZEL;WATER;CONDENSATION;ADHESION;DYNAMICS;GRAPHENE;CASSIE;STATES

摘要:The spontaneous dewetting transition (SDT) of nanoscale droplets on the nanopillared surface is studied by molecular dynamics simulations. Three typic ...

作者:Juan PENG1;,Dengke LI1;,Zaixing HUANG2;,Guangjian PENG3;,Peijian CHEN1,2,4;,Shaohua CHEN5,6,7; (1School of Materials Science and Physics, State Key Laboratory for Geomechanics and Deep Underground Engineering, School of Mechanics and Civil Engineering,China University of Mining and Technology;2State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics;3College of Mechanical Engineering, Zhejiang University of Technology;4State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics,Chinese Academy of Sciences;5Institute of Advanced Structure Technology, Beijing Institute of Technology;6Beijing Key Laboratory of Lightweight Multi-functional Composite Materials and Structures, Beijing Institute of Technology;7Collaborative Innovation Center of Electric Vehicles in Beijing,Beijing Institute of Technology)

出处:Applied Mathematics and Mechanics(English Edition) 2023

摘要:To improve the thermoelectric converting performance in applications such as power generation, reutilization of heat energy, refrigeration, and ultras ...