Sound insulation effect of magnetorheological fluid as a function of magnetic field strength and direction

Hao Cheng; Taeuk Lim; Sunghoon Kim; Wonsuk Jung

doi:10.1080/21663831.2022.2050431

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Sound insulation effect of magnetorheological fluid as a function of magnetic field strength and direction

Original Reports | 更新时间：2026-08-19

- Sound insulation effect of magnetorheological fluid as a function of magnetic field strength and direction
- Sound insulation effect of magnetorheological fluid as a function of magnetic field strength and direction
- 材料研究快报（英文） 2022年10卷第5期页码：310-317
- 作者机构：
  
  1. a School of Mechanical Engineering Chungnam National University
  2. b Department of Electronics Convergence Engineering Wonkwang University
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2022.2050431
  中图分类号：
- 网络首发：2022-03-10，
  
  纸质出版：2022
- 稿件说明：
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Hao Cheng, Taeuk Lim, Sunghoon Kim, 等. Sound insulation effect of magnetorheological fluid as a function of magnetic field strength and direction[J]. 材料研究快报（英文）, 2022,10(5):310-317.

Hao Cheng, Taeuk Lim, Sunghoon Kim, et al. Sound insulation effect of magnetorheological fluid as a function of magnetic field strength and direction[J]. Materials Research Letters, 2022, 10(5): 310-317.
Hao Cheng, Taeuk Lim, Sunghoon Kim, 等. Sound insulation effect of magnetorheological fluid as a function of magnetic field strength and direction[J]. 材料研究快报（英文）, 2022,10(5):310-317. DOI： 10.1080/21663831.2022.2050431.

Hao Cheng, Taeuk Lim, Sunghoon Kim, et al. Sound insulation effect of magnetorheological fluid as a function of magnetic field strength and direction[J]. Materials Research Letters, 2022, 10(5): 310-317. DOI： 10.1080/21663831.2022.2050431.

摘要

Abstract

BSTRACTWe developed a sound absorber using a magnetorheological fluid(MR-F) based on the density and alignment angle of carbonyl iron powder(CIP) chains by the controlling the magnetic field strength and direction. The magnetically arranged CIP lattice structure considerably influenced the sound transmission loss(STL). We used optical microscopy

energy-dispersive X-ray spectrometry

and X-ray diffraction to investigate the STL by varying the magnetic field strength from 0 to 40 mT and the angle from 0 to 30°. The STL was markedly increased (133%) owing to an ∼10-fold increased density and the CIP alignment. These results were verified using the developed MR-F porous model.

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