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材料导报  2024, Vol. 38 Issue (21): 23060186-5    https://doi.org/10.11896/cldb.23060186
  高分子与聚合物基复合材料 |
基于微流控系统的磁流变胶微观结构演化与磁敏行为分析
甘如饴, 浮洁*, 綦松, 余淼
重庆大学光电工程学院,光电技术及系统教育部重点实验室,重庆 400044
Microstructural Evolution and Magneto Sensitive Behavior of Magnetorheological Gel Based on Microfluidic System
GAN Ruyi, FU Jie*, QI Song, YU Miao
Key Lab for Optoelectronic Technology and Systems, Ministry of Education, College of Optoelectronic Engineering, Chongqing University, Chongqing, 400044, China
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摘要 作为磁敏智能材料的重要一员,磁流变胶的大阻尼和抗沉降特性使其在大幅振动衰减和缓冲领域具有广阔的应用前景。然而,传统宏观测试方法难以说明微观结构与宏观力学性能之间的机理联系,因此,通过直观表征微观结构的演化,揭示材料在多场下的力磁耦合机制具有重要意义。故本工作采用微流控测试系统对磁流变胶的微观结构的演化与磁敏行为进行了研究,并预测了多场耦合下材料在管道结构中的宏观力学特性。同时,通过对不同流速以及磁感应强度下的磁流变胶微观结构的定性观察和定量分析,阐述了多场耦合下磁流变胶微观结构的演化与磁敏行为的统计规律。
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甘如饴
浮洁
綦松
余淼
关键词:  磁流变胶  微流控测试系统  微观结构  磁敏行为    
Abstract: As an important member of magnetic-controlled intelligent materials, magnetorheological gel (MRG) have an important application prospect and potential in the field of large vibration reduction and mitigation due to its excellent damping and small settling characteristics. However, traditional macroscopic methods are difficult to explain the mechanism between microstructures and macroscopic mechanical properties. Hence, it is of great significance to visually characterize the evolution of microstructures and reveal the magneto-mechanical coupling mechanism of materials under multiple fields. Therefore, in this work, the microfluidic measurement system is used to study the microstructures evolution and magneto-sensitive behavior of MRG, and predict the macroscopic mechanical properties of the material in the tube under multi-field coupling. Meanwhile, through qualitative observation and quantitative analysis of MRG microstructures at different velocities and magnetic flux densities, the statistical laws of MRG microstructure evolution and magneto-sensitive behavior under multi-field coupling are elaborated.
Key words:  magnetorheological gel    microfluidic measurement system    microstructure    magneto-sensitive behavior
出版日期:  2024-11-10      发布日期:  2024-11-11
ZTFLH:  TB381  
基金资助: 国家自然科学基金(51875056;12372146)
通讯作者:  *浮洁,重庆大学光电工程学院教授、博士研究生导师。2009年于东北大学控制理论与控制工程专业博士毕业后到重庆大学工作至今。主要研究方向为磁流变智能结构与减振缓冲控制及其在运载装备和精密加工/测量等领域的应用。主持军委科技委国防创新特区项目、国家自然科学基金青年、面上基金项目等10余项。在Smart Material and Structures、Journal of Sound and Vibration等国内外期刊上发表学术论文80余篇,其中SCI收录40余篇,出版学术专著1部。fujie@cqu.edu.cn   
作者简介:  甘如饴,2017年于重庆邮电大学获得工学硕士学位。现为重庆大学光电工程学院博士研究生,在余淼教授的指导下进行研究。目前主要研究领域为磁流变材料的力磁特性及电磁吸波性能等。
引用本文:    
甘如饴, 浮洁, 綦松, 余淼. 基于微流控系统的磁流变胶微观结构演化与磁敏行为分析[J]. 材料导报, 2024, 38(21): 23060186-5.
GAN Ruyi, FU Jie, QI Song, YU Miao. Microstructural Evolution and Magneto Sensitive Behavior of Magnetorheological Gel Based on Microfluidic System. Materials Reports, 2024, 38(21): 23060186-5.
链接本文:  
http://www.mater-rep.com/CN/10.11896/cldb.23060186  或          http://www.mater-rep.com/CN/Y2024/V38/I21/23060186
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