Title page for ETD etd-08222009-040330

Type of Document Master's Thesis
Author Li, Shi
URN etd-08222009-040330
Title Modeling of active crack damage control and the active fatique damage control of adhesive joint
Degree Master of Science
Department Mechanical Engineering
Advisory Committee
Advisor Name Title
No Advisors Found
  • Adhesive joints
Date of Defense 1992-09-05
Availability restricted

Active damage control is a new technique which mimics the self-repairing capability of biological beings and can be used to greatly increase the structural integrity and fatigue life. This thesis describes two approaches used in active damage control: direct stress cancellation and indirect stress cancellation.

Direct stress cancellation is illustrated using an example of active crack damage control with embedded shape memory alloy actuators. Both experimental and theoretical investigations have been conducted to analyze the damage control mechanism. The approach of indirect stress cancellation is demonstrated with active fatigue damage control of adhesive joints. The damage and active control mechanisms of the adhesive joints have been experimentally and theoretically investigated.

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