Review of second harmonic generation measurement techniques for material state determination in metals
This paper presents a comprehensive review of the current state of knowledge of second
harmonic generation (SHG) measurements, a subset of nonlinear ultrasonic nondestructive …
harmonic generation (SHG) measurements, a subset of nonlinear ultrasonic nondestructive …
A review of the microstructural contributions to the acoustic nonlinearity parameter measured with longitudinal and Rayleigh wave second harmonic generation in …
CL Williams, MH Lear, P Shokouhi - Ndt & E International, 2024 - Elsevier
Due to their sensitivities to a specimen's microstructural evolution during processes
including heat treatment and plastic deformation, ultrasonic measurements of the acoustic …
including heat treatment and plastic deformation, ultrasonic measurements of the acoustic …
Detecting self-ion irradiation-induced void swelling in pure copper using transient grating spectroscopy
Irradiation-induced void swelling remains a major challenge to nuclear reactor operation.
Swelling may take years to initiate and often results in rapid material property degradation …
Swelling may take years to initiate and often results in rapid material property degradation …
Nonlinear ultrasonic characterization of precipitation in 17-4PH stainless steel
This research is part of a broader effort to develop a nondestructive evaluation technique to
monitor radiation damage in reactor pressure vessel steels, the main contributor being …
monitor radiation damage in reactor pressure vessel steels, the main contributor being …
Real-time thermomechanical property monitoring during ion beam irradiation using in situ transient grating spectroscopy
A facility for continuously monitoring the thermal and elastic performance of materials under
exposure to ion beam irradiation has been designed and commissioned. By coupling an all …
exposure to ion beam irradiation has been designed and commissioned. By coupling an all …
Nonlinear ultrasonic techniques to quantify oxidation damage in carbon/carbon composite material
This research applies linear and nonlinear ultrasonic (NLU) techniques to quantify oxidation
damage in a carbon/carbon (C/C) composite material cut from an automotive friction disc …
damage in a carbon/carbon (C/C) composite material cut from an automotive friction disc …
[HTML][HTML] Large-area inspection of defects in metal plates using multi-mode guided acoustic waves and sparse sensor networks
Various types of defects can be induced during the manufacturing or operation of
engineering structures. For effective detection and characterization of the defects in large …
engineering structures. For effective detection and characterization of the defects in large …
Experimental study on the nonlinear mixing of ultrasonic waves in concrete using an array technique
FJ Weiss, JY Kim, KE Kurtis, D VanderLaan… - NDT & E …, 2024 - Elsevier
This research develops a procedure that combines ultrasonic array technology with non-
collinear ultrasonic wave mixing to detect and scan internal microscale damage in concrete …
collinear ultrasonic wave mixing to detect and scan internal microscale damage in concrete …
Noncontact nonlinear resonance ultrasound spectroscopy (NRUS) for small metallic specimens
The objective of this research is to use nonlinear resonance ultrasound spectroscopy
(NRUS) to evaluate the sensitivity of the nonclassical hysteretic nonlinearity parameter, α to …
(NRUS) to evaluate the sensitivity of the nonclassical hysteretic nonlinearity parameter, α to …
Inferring radiation-induced microstructural evolution in single-crystal niobium through changes in thermal transport
Ion beams enable accelerated radiation exposure experiments, but traditional destructive
post-irradiation examination techniques remain time-consuming. Here, measurements of …
post-irradiation examination techniques remain time-consuming. Here, measurements of …