Nondestructive Testing and Health Monitoring Techniques for Structural Effective Prestress

J Jia, L Zhang, J Ou, X Chen - Structural Control and Health …, 2023 - Wiley Online Library
Prestressed structures are widely employed in bridges and large‐span spatial structures,
and the accurate evaluation of prestress state is of great importance for structural …

Depth of dressing optimization in CBN wheels of different friabilities using acoustic emission (AE) technique

FA Alexandre, JC Lopes… - … International Journal of …, 2020 - Springer
Grinding is a manufacturing process that has the objective of granting the workpiece a high-
quality surface and is located at the end of the sequence of machining processes. During …

Application of PZT ceramic sensors for composite structure monitoring using harmonic excitation signals and bayesian classification approach

M Dziendzikowski, M Heesch, J Gorski, K Dragan… - Materials, 2021 - mdpi.com
The capabilities of ceramic PZT transducers, allowing for elastic wave excitation in a broad
frequency spectrum, made them particularly suitable for the Structural Health Monitoring …

A low-cost acoustic emission sensor based on piezoelectric diaphragm

MAA Viera, R Götz, PR De Aguiar… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
Sensor monitoring is widely used in modern industrial automation. Industries require
efficient and cost-effective monitoring and control systems. Regarding monitoring, new low …

Study on dispersion stability and friction characteristics of C60 nanomicrosphere lubricating additives for improving cutting conditions in manufacturing process

JS Huang, H Sun, X Wang, BQ Chen… - Mathematical Problems …, 2021 - Wiley Online Library
Antifriction lubrication is an important research hotspot in the manufacturing field. A high‐
performance lubricating additive is of great significance for condition monitoring in the metal …

A time–frequency acoustic emission-based technique to assess workpiece surface quality in ceramic grinding with PZT transducer

MA Aulestia Viera, PR Aguiar, P Oliveira Junior… - Sensors, 2019 - mdpi.com
Innovative monitoring systems based on sensor signals have emerged in recent years in
view of their potential for diagnosing machining process conditions. In this context …

A novel ultrasound technique based on piezoelectric diaphragms applied to material removal monitoring in the grinding process

FA Alexandre, PR Aguiar, R Götz, MA Aulestia Viera… - Sensors, 2019 - mdpi.com
The interest of the scientific community for ultrasound techniques has increased in recent
years due to its wide range of applications. A continuous effort of researchers and industries …

Electromechanical impedance (EMI) measurements to infer features from the grinding process

FI Ferreira, PR de Aguiar, RB da Silva… - … International Journal of …, 2020 - Springer
This paper discusses the correlations between the electromechanical impedance (EMI)
technique and grinding parameters. The EMI technique applied in grinding is novel and has …

Method for fault detection of aluminum oxide grinding wheel cutting surfaces using a piezoelectric diaphragm and digital signal processing techniques

WN Lopes, PR Aguiar, FRL Dotto, POC Junior… - Measurement, 2021 - Elsevier
A novel strategy to quantify evenness and prevent faults on the cutting surface of
conventional aluminum oxide grinding wheels during the dressing operation was proposed …

Piezoelectric impedance-based non-destructive testing method for possible identification of composite debonding depth

WS Na, J Baek - Micromachines, 2019 - mdpi.com
Detecting the depth and size of debonding in composite structures is essential for assessing
structural safety as it can weaken the structure possibly leading to a failure. As composite …