Nonlinear acoustic spectroscopy of cracked flaws and disbonds: Fundamentals, techniques, and applications

2000 ◽  
Author(s):  
R. Gr. Maev
Keyword(s):  
Acoustic Spectroscopy ◽  
Nonlinear Acoustic

The Possibility of Using Nonlinear Acoustic Spectroscopy with a Single Excitation Signal for Testing of Concrete Elements Damaged by High Temperature

2019 ◽  
Vol 808 ◽  
pp. 66-71
Author(s):  
Michal Matysík ◽  
Iveta Plšková ◽  
Zdeněk Chobola
Keyword(s):  
High Temperature ◽  
Elevated Temperature ◽  
Temperature Rise ◽  
Heat Load ◽  
Excitation Signal ◽  
Acoustic Spectroscopy ◽  
Before And After ◽  
Nonlinear Acoustic ◽  
Concrete Elements ◽  
Temperature Time

This paper focuses on the use of nonlinear acoustic spectroscopy with one excitation signal for NDT of concrete parts exposed to high temperature. The rate of the temperature rise, the highest achieved temperature, time of exposure to elevated temperature and the cooling rate has an influence on the overall damage of concrete structures affected by fire. The test specimens described in this paper have been heated for various periods of time and at a different temperature. Nonlinear acoustic spectroscopy method was performed before and after heat load.

scholarly journals Investigation of Damage in Composites Using Nondestructive Nonlinear Acoustic Spectroscopy

2016 ◽  
Vol 57 (2) ◽  
pp. 207-217 ◽  
Author(s):  
S. Eckel ◽  
F. Meraghni ◽  
P. Pomarède ◽  
N. F. Declercq
Keyword(s):  
Acoustic Spectroscopy ◽  
Nonlinear Acoustic

Nonlinear Acoustic Spectroscopy and Frequency Sweep Ultrasonics: Case on Thermal Damage Assessment in Mortar

2019 ◽  
Vol 38 (3) ◽  
Author(s):  
Vicente Genovés ◽  
Alicia Carrión ◽  
Daniel Escobar ◽  
Jorge Gosálbez ◽  
Jose Monzó ◽  
...  
Keyword(s):  
Damage Assessment ◽  
Thermal Damage ◽  
Frequency Sweep ◽  
Acoustic Spectroscopy ◽  
Nonlinear Acoustic

Nonlinear acoustic spectroscopy of carbonate rocks

2017 ◽  
Vol 63 (3) ◽  
pp. 346-358
Author(s):  
V. S. Averbakh ◽  
V. V. Bredikhin ◽  
A. V. Lebedev ◽  
S. A. Manakov
Keyword(s):  
Carbonate Rocks ◽  
Acoustic Spectroscopy ◽  
Nonlinear Acoustic

Nonlinear acoustic spectroscopy of local defects in geomaterials

2005 ◽  
Vol 51 (S1) ◽  
pp. S88-S101 ◽  
Author(s):  
A. V. Lebedev ◽  
L. A. Ostrovskii ◽  
A. M. Sutin
Keyword(s):  
Acoustic Spectroscopy ◽  
Nonlinear Acoustic ◽  
Local Defects

Nonlinear acoustic spectroscopy on the real squashing collective mode in3He-B

1994 ◽  
Vol 194-196 ◽  
pp. 755-756
Author(s):  
H. Alles ◽  
A.V. Babkin ◽  
A.J. Manninen ◽  
K. Torizuka ◽  
J.P. Pekola
Keyword(s):  
Collective Mode ◽  
The Real ◽  
Acoustic Spectroscopy ◽  
Nonlinear Acoustic

scholarly journals NDT of Mechanical Damaged Concrete Specimens by Nonlinear Acoustic Spectroscopy Method

2009 ◽  
Vol 2 (4) ◽  
pp. 166-171 ◽  
Author(s):  
M. Matysik ◽  
I. Plskova ◽  
M. Korenska ◽  
B. Kucharczykova
Keyword(s):  
Spectroscopy Method ◽  
Acoustic Spectroscopy ◽  
Nonlinear Acoustic

scholarly journals Observation of dispersion in theJ=2+collective modes ofB3by nonlinear acoustic spectroscopy

1992 ◽  
Vol 68 (25) ◽  
pp. 3725-3728 ◽  
Author(s):  
A. J. Manninen ◽  
H. Alles ◽  
A. V. Babkin ◽  
J. P. Pekola ◽  
R. H. McKenzie
Keyword(s):  
Collective Modes ◽  
Acoustic Spectroscopy ◽  
Nonlinear Acoustic
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