Dynamic shear response of hard versus soft magnetic magnetoactive elastomers

被引：10

作者：

Anderson, K. ^{[1
]}

Bravoco, R. ^{[1
]}

Hargrave, W. ^{[1
]}

Roche, J. ^{[1
]}

Von Lockette, P. ^{[2
]}

Lofland, S. E. ^{[3
]}

机构：

[1] Rowan Univ, Dept Mech Engn, Glassboro, NJ 08028 USA

[2] Penn State Univ, Dept Mech & Nucl Engn, State Coll, PA USA

[3] Rowan Univ, Dept Phys & Astron, Glassboro, NJ 08028 USA

来源：

Smart Materials and Structures | 2015年 / 24卷 / 02期

基金：

美国国家科学基金会;

关键词：

magnetoactive elastomers; shear modulus; composites; MAGNETORHEOLOGICAL ELASTOMERS; VIBRATION ABSORBER; PERFORMANCE; COMPOSITES; SKINS;

D O I：

10.1088/0964-1726/24/2/025022

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

This work uses dynamic shearing experiments to examine S- (soft magnetic) and H- (hard magnetic) magnetoactive elastomers of four different types. The aligned materials had larger shear stiffness, and all materials but the unaligned H material displayed increased stiffness with magnetic field. All four types showed generally the same damping ratio with no strong trends across material types. We discuss these results in terms of shearing forces arising due to magnetic torques.

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页数：6

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