Measuring predictability in ultrasonic signals: An application to scattering material characterization

A Carrión, R Miralles, G Lara - Ultrasonics, 2014 - Elsevier
In this paper, we present a novel and completely different approach to the problem of
scattering material characterization: measuring the degree of predictability of the time series …

Sand/cement ratio evaluation on mortar using neural networks and ultrasonic transmission inspection

M Molero, I Segura, MAG Izquierdo, JV Fuente… - Ultrasonics, 2009 - Elsevier
The quality and degradation state of building materials can be determined by nondestructive
testing (NDT). These materials are composed of a cementitious matrix and particles or …

Ultrasonic characterization of GRC with high percentage of fly ash substitution

V Genovés, J Gosálbez, R Miralles, M Bonilla, J Payá - Ultrasonics, 2015 - Elsevier
New applications of non-destructive techniques (NDT) with ultrasonic tests (attenuation and
velocity by means of ultrasonic frequency sweeps) have been developed for the …

Normalized split-spectrum: A detection approach

I Bosch, L Vergara - Ultrasonics, 2008 - Elsevier
We consider in this paper the problem of automatic detection of ultrasonic echo pulses in a
grain noise background. We start by assuming a reference model for grain noise …

Influence of aggregates and air voids on the ultrasonic velocity and attenuation in cementitious materials

M Molero, I Segura, S Aparicio… - European journal of …, 2011 - Taylor & Francis
This paper examines the influence of the size and volume fraction of both aggregates and
air voids on the ultrasonic phase velocity and attenuation coefficient measured in …

Ultrasonic signal processing for archaeological ceramic restoration

A Salazar, R Miralles, A Parra… - … on Acoustics Speech …, 2006 - ieeexplore.ieee.org
This paper presents an application of ultrasonic signal processing to find parameters related
with physical properties of archaeological ceramic pieces and consolidation products used …

Simultaneous velocity and attenuation measurements applicable to various solids at high pressures and temperatures up to 1200 C

H Sato, K Ito, Y Aizawa - Measurement Science and Technology, 2004 - iopscience.iop.org
A technique has been developed for measuring acoustic velocity and attenuation
simultaneously at high pressures and temperatures. By observing both the direct (first) and …

Size Effect during Bending Tests of Fiber-Reinforced Concrete Specimens

MR Tyutin, LR Botvina, AN Shuvalov… - Russian Metallurgy …, 2023 - Springer
The influence of reinforcement with basalt fibers in an amount of 0.6 vol% on the size effect
in concrete made of Portland cement TsEM II/AK (Sh-I) 42.5 N (GOST 31108–2016) is …

[PDF][PDF] New insights and extensions of split-spectrum algorithms from an optimum distributed detection perspective

IB Roig, LV Domínguez - IEEE Ultrasonics Symposium …, 2005 - engineering.purdue.edu
In this paper we approach Split-spectrum (SS) automatic detection from a distributed
detection perspective. The basic idea is to implement an energy detector at the output of …

Nondestructive evaluation of dual microstructure turbine engine disk material

EA Medina, MP Blodgett, RW Martin… - AIP Conference …, 2011 - pubs.aip.org
We present development status and plans for NDE of graded material microstructures such
as those found in dual microstructure turbine engine disks. These hybrid disks feature …