Neutron Diffraction as a Tool for Non-Destructive Evaluation of Ceramics

1988 ◽  
Vol 142 ◽  
Author(s):  
John H. Root ◽  
James D. Sullivan
Keyword(s):  
Grain Size ◽  
Neutron Diffraction ◽  
Residual Strain ◽  
Mechanical Characteristics ◽  
Condensed Matter ◽  
Ceramic Composites ◽  
Non Destructive Evaluation ◽  
Minority Phase ◽  
Position Dependence ◽  
Non Destructive

AbstractNeutron diffraction is a powerful probe of the properties of condensed matter. In recent years neutron diffraction has been applied to the non-destructive evaluation of mechanical characteristics of engineering components. This paper presents examples of applications to ceramic composites including the measurement of position dependence of residual strain, grain size and minority phase concentration. In addition, an example of volume-averaged crystallographic texture is presented.

scholarly journals Residual strain scanning of alumina-based ceramic composites by neutron diffraction

2014 ◽  
Vol 549 ◽  
pp. 012027
Author(s):  
J Ruiz-Hervias ◽  
G Bruno ◽  
S Bueno ◽  
J Gurauskis ◽  
C Baudín ◽  
...  
Keyword(s):  
Neutron Diffraction ◽  
Residual Strain ◽  
Ceramic Composites

scholarly journals Non destructive neutron diffraction measurements of cavities, inhomogeneities, and residual strain in bronzes of Ghiberti’s relief from the Gates of Paradise

2011 ◽  
Vol 109 (6) ◽  
pp. 064908 ◽  
Author(s):  
G. Festa ◽  
R. Senesi ◽  
M. Alessandroni ◽  
C. Andreani ◽  
G. Vitali ◽  
...  
Keyword(s):  
Neutron Diffraction ◽  
Residual Strain ◽  
Non Destructive

scholarly journals Damage Detection with Auxiliary Subsystem

2008 ◽  
Vol 56 ◽  
pp. 401-413 ◽  
Author(s):  
Fabrizio Vestroni ◽  
J. Ciambella ◽  
Francesco dell'Isola ◽  
Stefano Vidoli
Keyword(s):  
Damage Detection ◽  
Mechanical System ◽  
Mechanical Characteristics ◽  
Piezoelectric Transducers ◽  
The Other ◽  
Monitoring Systems ◽  
Non Destructive Evaluation ◽  
Highly Sensitive ◽  
Non Destructive ◽  
Remarkable Advantage

Among Non-Destructive Evaluation, vibration-based methods respond to the current ten- dency which is to integrate into the structure identication and monitoring systems; to this aim transducers and sensors are embedded with the mechanical system and driven by suitably designed electronic controllers. The major limit of this and the other indirect identication techniques based on frequency response measurements turns out to be the small sensitivity to local variations of mechanical characteristics: it re ects on a uncertainty on the identied parameters, since it implies a small curvature of any reasonable identication functional build on these quantities. An enlightening example for the application of the proposed technique is given through a beam- like structure coupled to a network of piezoelectric patches. Although the forces exerted by the piezoelectric transducers are not large, the choice of such a kind of actuators/sensors implies the remarkable advantage of dealing with highly sensitive and easily tunable devices.

Non destructive evaluation of concrete contamination by chloride. Comparison of methods

2011 ◽  
Vol 15 (7) ◽  
pp. 1073-1084
Author(s):  
Jean-Paul Balayssac ◽  
Stéphane Laurent ◽  
Gilles Klysz ◽  
Jean-François Lataste ◽  
Xavier Derobert
Keyword(s):  
Comparison Of Methods ◽  
Non Destructive Evaluation ◽  
Non Destructive
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