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Proceedings Papers

Multichannel Electromechanical Impedance Structural Diagnostics in Plate Specimens

Funmilola Nwokocha, Andrei Zagrai, David Hunter
Proc. ASME. IMECE2022, Volume 5: Dynamics, Vibration, and Control, V005T07A008, October 30–November 3, 2022
Paper No: IMECE2022-95937
DOI: https://doi.org/10.1115/IMECE2022-95937
View Paper titled, Multichannel Electromechanical Impedance Structural Diagnostics in Plate Specimens
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Topics: Actuators, Computer software, Damage, Electromagnetic spectrum, Finite element analysis, Modeling, Plates (structures), Safety, Semiconductor wafers, Sensors
Proceedings Papers

Characterization of Aluminum and Steel Thin Plates Using Electromagnetic Acoustic Transducers

Lukas Peterson, Andrei Zagrai
Proc. ASME. IMECE2022, Volume 1: Acoustics, Vibration, and Phononics, V001T01A021, October 30–November 3, 2022
Paper No: IMECE2022-96395
DOI: https://doi.org/10.1115/IMECE2022-96395
View Paper titled, Characterization of Aluminum and Steel Thin Plates Using Electromagnetic Acoustic Transducers
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Topics: Acoustics, Aluminum, Corrosion, Plates (structures), Resonance, Steel, Thickness measurement, Transducers, Waves, Thin wall structures
Proceedings Papers

Ultrasonic Characterization of AlSi10Mg Specimens Printed By Direct Energy Deposition Technology

Mariya Chukovenkova, Andrei Zagrai, H. Scott Halliday, Joshua Toddy, Nylana J. Murphy
Proc. ASME. IMECE2022, Volume 1: Acoustics, Vibration, and Phononics, V001T01A020, October 30–November 3, 2022
Paper No: IMECE2022-96236
DOI: https://doi.org/10.1115/IMECE2022-96236
View Paper titled, Ultrasonic Characterization of AlSi10Mg Specimens Printed By Direct Energy Deposition Technology
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Topics: Additive manufacturing, Anisotropy, Density, Echoes, Elasticity, Fracture (Materials), Manufacturing, Materials properties, Mechanical properties, Nondestructive evaluation
Proceedings Papers

Development of the Ultrasonic System Integration With 3D Polymer Printing

Jonathan England, Ethan Darnell, Janak Bhakta, Maria D’Orazio, Mariya Chukovenkova, Andrei Zagrai
Proc. ASME. IMECE2022, Volume 2B: Advanced Manufacturing, V02BT02A052, October 30–November 3, 2022
Paper No: IMECE2022-96028
DOI: https://doi.org/10.1115/IMECE2022-96028
View Paper titled, Development of the Ultrasonic System Integration With 3D Polymer Printing
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Topics: Polymers, Printing, Ultrasonic transducers, Temperature, Additive manufacturing, Finite element analysis, Materials properties, Nondestructive evaluation, Steel, Young's modulus
Proceedings Papers

Mechanical Design and Development of a Suborbital Payload for Real-Time Data Acquisition and Structural Health Monitoring

Dillon Cvetic-Thomas, Amy Tattershall, Eli Jackson, Dane Robergs, Funmilola Nwokocha, Andrei Zagrai
Proc. ASME. IMECE2021, Volume 13: Safety Engineering, Risk, and Reliability Analysis; Research Posters, V013T15A006, November 1–5, 2021
Paper No: IMECE2021-71881
DOI: https://doi.org/10.1115/IMECE2021-71881
View Paper titled, Mechanical Design and Development of a Suborbital Payload for Real-Time Data Acquisition and Structural Health Monitoring
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Topics: Data acquisition, Design engineering, Finite element analysis, Flight, Structural health monitoring
Proceedings Papers

On Structural Damping Characteristics in the Electro-Mechanical Impedance Method

Aaron Misla, Andrei Zagrai
Proc. ASME. IMECE2021, Volume 7A: Dynamics, Vibration, and Control, V07AT07A005, November 1–5, 2021
Paper No: IMECE2021-72024
DOI: https://doi.org/10.1115/IMECE2021-72024
View Paper titled, On Structural Damping Characteristics in the Electro-Mechanical Impedance Method
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Topics: Damping, Composite materials, Aerospace industry, Semiconductor wafers, Sensors, Damage, Euler-Bernoulli beam theory, Geometry, Materials science, Modeling
Proceedings Papers

Damage Detection in Simulated Aging-Aircraft Panels Using the Electro-Mechanical Impedance Technique

Victor Giurgiutiu, Andrei Zagrai
Proc. ASME. IMECE2000, Adaptive Structures and Material Systems, 349-358, November 5–10, 2000
Paper No: IMECE2000-1725
DOI: https://doi.org/10.1115/IMECE2000-1725
View Paper titled, Damage Detection in Simulated Aging-Aircraft Panels Using the Electro-Mechanical Impedance Technique
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Topics: Aircraft, Damage, Sensors, Fracture (Materials), Corrosion, Manufacturing, Aerospace industry, Finite element methods, Finite element model, Gages
Proceedings Papers

Mechanical Design and Development of a Payload for Structural Health Monitoring Experiments on the International Space Station

Douglas MacNinch, Daniel Pacheco, Arjun Tandon, Carl Bancroft, Isaac Flores, Matthew Rue, Andrei Zagrai
Proc. ASME. IMECE2019, Volume 11: Acoustics, Vibration, and Phononics, V011T01A006, November 11–14, 2019
Paper No: IMECE2019-12093
DOI: https://doi.org/10.1115/IMECE2019-12093
View Paper titled, Mechanical Design and Development of a Payload for Structural Health Monitoring Experiments on the International Space Station
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Topics: Design engineering, Space stations, Structural health monitoring
Proceedings Papers

Electro-Mechanical Impedance Assessment of a Bolted Circular Plate Element of a Space Structure

David Hunter, Andrei Zagrai
Proc. ASME. IMECE2017, Volume 9: Mechanics of Solids, Structures and Fluids; NDE, Structural Health Monitoring and Prognosis, V009T17A004, November 3–9, 2017
Paper No: IMECE2017-71203
DOI: https://doi.org/10.1115/IMECE2017-71203
View Paper titled, Electro-Mechanical Impedance Assessment of a Bolted Circular Plate Element of a Space Structure
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Topics: Space frame structures, Boundary-value problems, Bolted joints, Rods, Plates (structures), Aerospace industry, Damage, Sensors, Space vehicles, Stiffness
Proceedings Papers

Effects of Altitude on Active Structural Health Monitoring

Benjamin Cooper, Andrei Zagrai, Seth Kessler
Proc. ASME. SMASIS2013, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T05A013, September 16–18, 2013
Paper No: SMASIS2013-3269
DOI: https://doi.org/10.1115/SMASIS2013-3269
View Paper titled, Effects of Altitude on Active Structural Health Monitoring
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Topics: Structural health monitoring, Flight, Crack detection, Elastic waves, Temperature, Acoustic emissions, Pressure, Space vehicles, Temperature profiles, Waves
Proceedings Papers

Investigation of Low Velocity Impact Damage in Aluminum Alloys

Benjamin Cooper, Andrei Zagrai
Proc. ASME. SMASIS2012, Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring, 837-844, September 19–21, 2012
Paper No: SMASIS2012-8145
DOI: https://doi.org/10.1115/SMASIS2012-8145
View Paper titled, Investigation of Low Velocity Impact Damage in Aluminum Alloys
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Topics: Aluminum alloys, Damage, Sensors, Signals, Structural health monitoring, Waves, Deformation, Aluminum plate, Elastic waves, Reflection
Proceedings Papers

Design, Development, and Assembly of Space Flight Structural Health Monitoring Experiment

David Siler, Ben Cooper, Chris White, Stephen Marinsek, Andrei Zagrai, Joe MacGillivray, Jaclene Gutierrez, Karen Tena, Levi Magnuson, Lloyd Puckett, Jordan Klepper, Anders Jorgensen, Seth Kessler
Proc. ASME. SMASIS2012, Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring, 903-906, September 19–21, 2012
Paper No: SMASIS2012-8239
DOI: https://doi.org/10.1115/SMASIS2012-8239
View Paper titled, Design, Development, and Assembly of Space Flight Structural Health Monitoring Experiment
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Topics: Design, Manufacturing, Space flight, Structural health monitoring, Flight, Hardware, Rockets, Sensors, Wave propagation, Bolted joints
Proceedings Papers

Influence of Sensor Statistics on Piezoelectric and Magneto-Elastic Damage Detection

David Conrad, Andrei Zagrai, Daniel Meisner
Proc. ASME. SMASIS2012, Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring, 925-933, September 19–21, 2012
Paper No: SMASIS2012-8255
DOI: https://doi.org/10.1115/SMASIS2012-8255
View Paper titled, Influence of Sensor Statistics on Piezoelectric and Magneto-Elastic Damage Detection
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Topics: Damage, Sensors, Statistics, Membrane electrode assemblies, Structural health monitoring, Aerospace industry, Boundary-value problems, Echoes, Geometry, Semiconductor wafers
Proceedings Papers

Lamb Wave Propagation Through Off-Axis Media

Jacob Brown, Whitney Reynolds, Derek Doyle, Andrei Zagrai
Proc. ASME. SMASIS2011, ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2, 519-523, September 18–21, 2011
Paper No: SMASIS2011-5116
DOI: https://doi.org/10.1115/SMASIS2011-5116
View Paper titled, Lamb Wave Propagation Through Off-Axis Media
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Topics: Wave propagation, Waves, Composite materials, Elastic waves, Space frame structures, Structural health monitoring, Fibers, Manufacturing, Resins, Surface properties
Proceedings Papers

Active Detection of Structural Damage in Aluminum Alloy Using Magneto-Elastic Active Sensors (MEAS)

David Conrad, Andrei Zagrai
Proc. ASME. SMASIS2011, ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2, 545-553, September 18–21, 2011
Paper No: SMASIS2011-5219
DOI: https://doi.org/10.1115/SMASIS2011-5219
View Paper titled, Active Detection of Structural Damage in Aluminum Alloy Using Magneto-Elastic Active Sensors (MEAS)
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Topics: Aluminum alloys, Damage, Membrane electrode assemblies, Sensors, Stress, Elastic waves, Fatigue cracks, Structural health monitoring, Aluminum plate, Bonding
Proceedings Papers

Impact Detection Using an Array of Piezoelectric Wafer Active Sensors and a Microcontroller Unit

Abraham Light-Marquez, Andrei Zagrai
Proc. ASME. SMASIS2010, ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2, 719-726, September 28–October 1, 2010
Paper No: SMASIS2010-3823
DOI: https://doi.org/10.1115/SMASIS2010-3823
View Paper titled, Impact Detection Using an Array of Piezoelectric Wafer Active Sensors and a Microcontroller Unit
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Topics: Semiconductor wafers, Sensors, Sensor networks, Structural health monitoring, Algorithms, Aluminum plate, Damage, Embedded systems, Impact testing, Signal processing
Proceedings Papers

Developing a Piezoelectric Active Sensor SHM System for Satellites

Andrei Zagrai, Vlasi Gigineishvili, Jacob Brown, Derek Doyle, Hugh Gardenier, Brandon Arritt
Proc. ASME. SMASIS2009, Volume 2: Multifunctional Materials; Enabling Technologies and Integrated System Design; Structural Health Monitoring/NDE; Bio-Inspired Smart Materials and Structures, 517-527, September 21–23, 2009
Paper No: SMASIS2009-1342
DOI: https://doi.org/10.1115/SMASIS2009-1342
View Paper titled, Developing a Piezoelectric Active Sensor SHM System for Satellites
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Topics: Satellites, Sensors, Structural health monitoring, Design, Dynamics (Mechanics), Elastic waves, Geometry, Hardware, Manufacturing, Mechanical properties
Proceedings Papers

Damage Detection in Satellite Bolted Joints

Derek Doyle, Andrei Zagrai, Brandon Arritt, Hakan Cakan
Proc. ASME. SMASIS2008, Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2, 209-218, October 28–30, 2008
Paper No: SMASIS2008-550
DOI: https://doi.org/10.1115/SMASIS2008-550
View Paper titled, Damage Detection in Satellite Bolted Joints
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Topics: Bolted joints, Damage, Satellites, Structural health monitoring, Manufacturing, Aerospace industry, Flight, Plates (structures), Semiconductor wafers, Sensors
Proceedings Papers

Damage Assessment With Nonlinear Vibro-Acoustic Modulation Technique

Dimitri Donskoy, Andrei Zagrai, Alexander Chudnovsky, Eduard Golovin, Vinod Agarwala
Proc. ASME. IDETC-CIE2007, Volume 1: 21st Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C, 1949-1956, September 4–7, 2007
Paper No: DETC2007-34697
DOI: https://doi.org/10.1115/DETC2007-34697
View Paper titled, Damage Assessment With Nonlinear Vibro-Acoustic Modulation Technique
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Topics: Acoustics, Damage assessment, Damage, Materials degradation, Vibration, Fracture (Materials), Fracture (Process), Safety, Signals, Stress
Journal Articles

Embedded Active Sensors for In-Situ Structural Health Monitoring of Thin-Wall Structures

Victor Giurgiutiu, Mem. ASME, Associate Professor, Andrei Zagrai, Graduate Research Assistant, JingJing Bao, Graduate Research Assistant
Journal: Journal of Pressure Vessel Technology
Article Type: Technical Papers
J. Pressure Vessel Technol. August 2002, 124(3): 293–302.
DOI: https://doi.org/10.1115/1.1484117
Published Online: July 26, 2002
View Article titled, Embedded Active Sensors for In-Situ Structural Health Monitoring of Thin-Wall Structures
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Topics: Damage, Sensors, Waves, Fracture (Materials), Structural health monitoring