Characterization of Piezoelectric Wafer Active Sensors

By Victor Giurgiutiu, Andrei Zagrai. 2000

302 citations recorded by the source corpus.

Subfields: Civil and Structural Engineering, Mechanics of Materials, Pollution

View Paper: https://www.semanticscholar.org/paper/07e245c31a1acdee7cc6a356b60426e18f92706e

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In Civil and Structural Engineering

In Mechanics of Materials

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Citations in the corpus

Application of Electromechanical Impedance Technique for Engineering Structures: Review and Future Issues (2010, unknown): “…interact with the host structure to result-in a unique health signature, when subjected to high-frequency structural excitations in the presence of electric field (Liang et al., 1994; Giurgiutiu and Zagrai 2000; Niezrecki et al., 2001; Chopra, 2002; Park et al., 2003a,b; Annamdas and Soh, 2007a,b).”
Single Mode Tuning Effects on Lamb Wave Time Reversal with Piezoelectric Wafer Active Sensors for Structural Health Monitoring (2007, methodology): “Most of the methods used in conventional guided-wave NDE, such as pitch-catch, pulse echo, and phase arrays, have also been demonstrated experimentally with PWAS [1, 2, 5].”
A review of recent research on mechanics of multifunctional composite materials and structures (2010, background): “The most widely used forms of piezoelectric materials are wafers [61] and thin films [62], and numerous publications have dealt with them over many years.”
Embedded non-destructive evaluation for structural health monitoring, damage detection, and failure prevention (2005, background): “Giurgiutiu and Zagrai (2000) characterized the PWAS for SHM and developed quality assurance techniques.”
Structural impedance based damage diagnosis by piezo‐transducers (2003, methodology): “Traditionally, the direct e ect is used in numerous sensing applications [21; 22] and the converse e ect is used in actuator applications (e.”
Overview of Piezoelectric Impedance-Based Health Monitoring and Path Forward (2003, background): “Giurgiutiu and Zagrai (2000, 2002) extended the work of Sun et al. (1995b) to one-dimensional structures considering both axial and flexural vibrations.”
Piezoelectric Wafer Embedded Active Sensors for Aging Aircraft Structural Health Monitoring (2002, methodology): “Piezoelectric-wafer active sensors (PWAS) are small, non-intrusive, inexpensive, wide-band elastic wave generators/receptors, which can be intimately affixed to a structure and can actively interrogate it (Giurgiutiu and Zagrai, 2000a; Giurgiutiu et al., 2002).”
Electro-Mechanical Impedance Method for Crack Detection in Thin Plates (2001, methodology): “Giurgiutiu and Zagrai (2001a) derived an expression where the dynamics of a sensor was incorporated and the E/M impedance spectrum was modeled to simulate the direct measurements at the sensor’s terminals.”
Instantaneous reference-free crack detection based on polarization characteristics of piezoelectric materials (2007, methodology): “For instance, wafer-type piezoelectric materials such as PZT are commonly used for exciting and measuring guided waves for SHM and NDT applications [7].”
Electromechanical Impedance Modeling for Adhesively Bonded Piezo-Transducers (2004, methodology): “…cost-effective method for structural health monitoring (SHM) and nondestructive evaluation (NDE) of all types of engineering structures and systems (Sun et al., 1995; Ayres et al., 1998; Giurgiutiu and Zagrai, 2000, 2002; Park et al., 2000, 2001; Soh et al., 2000; Bhalla and Soh, 2003, 2004a,b).”
Lamb wave generation with piezoelectric wafer active sensors for structural health monitoring (2003, background): “PIEZOELECTRIC WAFER ACTIVE SENSORS – PWAS In recent years, several investigators [10-12] have explored the generation of Lamb-waves with piezoelectric wafer active sensors (PWAS)[13].”