Ultrasonic Characterization of Tensile Overload Effects and Stress Intensity Shielding

1991 ◽  
pp. 401-408 ◽  
Author(s):  
D. K. Rehbein ◽  
O. Buck ◽  
R. B. Thompson
Keyword(s):  
Stress Intensity ◽  
Ultrasonic Characterization ◽  
Tensile Overload

Ultrasonic Characterization of the Aortic Architecture in Marfan Patients

Circulation ◽  
1995 ◽  
Vol 91 (4) ◽  
pp. 1272-1274 ◽  
Author(s):  
Dianna M. Milewicz
Keyword(s):  
Ultrasonic Characterization

Ultrasonic characterization of air-saturated double-layered porous media in time domain

2010 ◽  
Vol 108 (1) ◽  
pp. 014909 ◽  
Author(s):  
Z. E. A Fellah ◽  
N. Sebaa ◽  
M. Fellah ◽  
F. G. Mitri ◽  
E. Ogam ◽  
...  
Keyword(s):  
Porous Media ◽  
Time Domain ◽  
Ultrasonic Characterization ◽  
Layered Porous Media

Ultrasonic characterization of abdominal tissues via digital analysis of backscattered waveforms.

Radiology ◽  
1981 ◽  
Vol 141 (3) ◽  
pp. 811-817 ◽  
Author(s):  
F G Sommer ◽  
L F Joynt ◽  
B A Carroll ◽  
A Macovski
Keyword(s):  
Digital Analysis ◽  
Ultrasonic Characterization

Characterization of Adhesion Properties by Delamination of Ceramic-Metal Interfaces in Four Point Bending

2018 ◽  
Vol 774 ◽  
pp. 66-71 ◽  
Author(s):  
Martin Lederer ◽  
Agnieszka Betzwar Kotas ◽  
Golta Khatibi ◽  
Herbert Danninger
Keyword(s):  
Plastic Deformation ◽  
Energy Consumption ◽  
Stress Intensity ◽  
Theoretical Interpretation ◽  
Adhesion Properties ◽  
Fem Simulations ◽  
Four Point Bending ◽  
Metal Interfaces ◽  
Stress Invariant

The adhesive strength of ceramic - copper interfaces was measured in four point bending using a central notch for crack initiation. According to our method, plastic deformation may occur during the delamination process. FEM simulations were employed in order to separate elastic and plastic contributions to the energy consumption of the experiment. In conclusion, a novel delamination criterion based on the stress intensity at the crack tip was established. Here, the stress invariant J3is used as indicator for delamination of the interface. Agreement between experiments and theoretical interpretation is demonstrated for copper layers directly bonded to aluminum oxide.

Ultrasonic characterization of plastic foams via measurements with static pressure variations

1999 ◽  
Vol 74 (21) ◽  
pp. 3224-3226 ◽  
Author(s):  
Christophe Ayrault ◽  
Alexei Moussatov ◽  
Bernard Castagnède ◽  
Denis Lafarge
Keyword(s):  
Static Pressure ◽  
Plastic Foams ◽  
Ultrasonic Characterization

Noncontact Ultrasonic Characterization of Ceramics

1985 ◽  
Vol 68 (6) ◽  
pp. C-146-C-146 ◽  
Author(s):  
Cheng-Kuei Jen ◽  
Paolo Cielo ◽  
Xavier Maldague ◽  
Kamal El-Assal
Keyword(s):  
Ultrasonic Characterization
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