A modified sideband peak count based nonlinear ultrasonic technique for material characterization

SH Park, T Kundu - Ultrasonics, 2023 - Elsevier
Abstract The ultrasonic Non-Destructive Testing and Evaluation (NDT&E) has been widely
used for Structural Health Monitoring (SHM). The conventional linear ultrasonic technique …

Ordinary state-based peri‑ultrasound modeling for monitoring crack propagation in plate structures using sideband peak count-index technique

G Zhang, X Li, T Li, T Kundu - Journal of Sound and Vibration, 2024 - Elsevier
This work presents a nonlocal theory based on ordinary state-based (OSB) peridynamics for
numerical modeling of crack propagation under loadings and peri‑ultrasound modeling for …

Monitoring of crack healing in geopolymer concrete using a nonlinear ultrasound approach in phase-space domain

M Rahmati, V Toufigh, K Keyvan - Ultrasonics, 2023 - Elsevier
Ultrasonic testing is a robust non-destructive evaluation method frequently employed in the
health monitoring of concrete structures. Cracking in concrete can be one of the most critical …

Nonlinear acoustic technique for monitoring porosity in additively manufactured parts

SH Park, H Alnuaimi, A Hayes… - Journal of …, 2022 - asmedigitalcollection.asme.org
Ultrasonic wave based techniques are widely used for damage detection and for
quantitative and qualitative characterization of materials. In this study, ultrasonic waves are …

Early detection of steel tube welded joint failure using SPC-I nonlinear ultrasonic technique

SH Park, I Bokhari, H Alnuaimi… - Structural Health …, 2024 - journals.sagepub.com
Welding is a commonly used method for joining two or more parts together in steel
construction. Various defects in weld regions such as cracks, pores, and slag inclusion can …

Monitoring fatigue cracks in riveted plates using a sideband intensity based nonlinear ultrasonic technique

B Hu, U Amjad, T Kundu - Ultrasonics, 2024 - Elsevier
Aluminum structures are routinely used in aircraft due to their lightweight and corrosion
resistance properties. Multi-layered aluminum plates are generally joined by rivets forming …

Detection of interface flaws in Concrete-FRP composite structures using linear and nonlinear ultrasonics based techniques

S Sasmal, S Basu, CVV Himakar, T Kundu - Ultrasonics, 2023 - Elsevier
Timely and appropriate retrofitting of existing structures holds paramount importance to
ensure the structural integrity and sustainability. Fiber Reinforced Polymer (FRP) composites …

Advanced non-linear ultrasonic sideband peak count-index technique for efficient detection and monitoring of defects in composite plates

HN Alnuaimi, U Amjad, P Russo… - Journal of Vibration …, 2023 - journals.sagepub.com
Increasing the service life and therefore the efficiency of a structure can be achieved by
implementing appropriate Non-Destructive Testing and Evaluation techniques. Detecting …

Monitoring prestress in plates by sideband peak count-index (SPC-I) and nonlinear higher harmonics techniques

M Wang, A Pau, G Zhang, T Kundu - Nonlinear Dynamics, 2023 - Springer
Propagating guided waves in a homogeneous, isotropic, prestressed, hyperelastic plate
show nonlinear characteristics that depend on the state of initial prestress. These nonlinear …

Monitoring elastoplastic deformation in ductile metallic materials using sideband peak count-index (SPC-I) technique

G Zhang, X Li, T Li, T Kundu - Journal of …, 2023 - asmedigitalcollection.asme.org
Ductile metallic materials such as aluminum alloy, brass and steel are widely used in
engineering structures. Monitoring elastoplastic deformation in these materials is important …