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  1. Journal of Mechanical Science and Technology
  2. Journal of Mechanical Science and Technology : Volume 11
  3. Journal of Mechanical Science and Technology : Volume 11, Issue 5, September 1997
  4. Damping in partially delaminated composites
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Journal of Mechanical Science and Technology : Volume 11, Issue 5, September 1997
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Damping in partially delaminated composites
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Damping in partially delaminated composites

Content Provider SpringerLink
Author Yim, Jong Hee Jang, Bor Z.
Copyright Year 1997
Abstract A simple model was developed to predict the material damping in partially delaminated composites. First, we evaluated the damping loss factors experimentally in three kinds of specimens corresponding to various partial delamination areas. Second, the stiffness loss with delamination growth was assumed to result directly in the loss of energy from the oscillatory system because the delamination due to interlaminar stress is accompanied with stiffness loss in numerous laminated composites. By correlating the laminate stiffness reduction and the corresponding delamination area, a model for their basic material damping properties was formulated using the elastic-viscoelastic principle, the rule-of-mixtures law and modified Hashin’s Model. We predicted the damping of any partially delaminated composites with different stacking sequences based on Adams and Ni’s work and their basic damping loss factors. Numerical and experimental results demonstrate that damping is significantly influenced by the size of delamination area in laminated composites. In addition, experimental improvements in making accurate damping measurements are discussed as well.
Starting Page 537
Ending Page 546
Page Count 10
File Format PDF
ISSN 1738494X
Journal Journal of Mechanical Science and Technology
Volume Number 11
Issue Number 5
Language English
Publisher Korean Society of Mechanical Engineers
Publisher Date 1997-01-01
Publisher Place Seoul
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Partial Delamination Damping Loss Factors Random Vibration Free-Free Support Condition Laminated Composites Mechanical Engineering Vibration, Dynamical Systems, Control Industrial and Production Engineering
Content Type Text
Resource Type Article
Subject Mechanics of Materials Mechanical Engineering
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