Corner echoes with SV mode: Synthesis of the validation cases

The table below lists the studied cases. In the “HxL_D” code, H corresponds to the notch height, L is the notch length while D corresponds to the specimen thickness. WP corresponds to the water path for immersion probes.

 

  Probe Configurations
Influence of the notch height

2.25 MHz, Ø 6.35 mm, Contact    

 

3.2×40_30 et 10×40_30

2.24 MHz, Ø 6.35 mm,  

Water path 25 mm    

0.5 à 15×15_30

2.25 MHz, Ø 12.7 mm,

Water path 25 mm    

5 MHz, Ø 6.35 mm,

Water path 25 mm    

Influence of the notch length

2.25 MHz, Ø 6.35 mm,

Water path 20 mm    

2×2_20, 2×5_20, 2×15_20, 6×15_20

4.5 MHz, Ø 12.7 mm,

Water path 20 mm    

Simultaneous influence of the 2 dimensions of the notch

2 MHz, 20 x 22 mm, Contact    

2×40_50, 5×40_50, 10×40_50, 20×40_50,
2×5_50, 5×5_50, 10×5_50, 20×5_50

2.25 MHz, Ø 6.35 mm, Contact    

2.25 MHz, Ø 6.35 mm,

Water path 20 mm  

0.5×2_5, 1.5×2_5, 2.5×2_5,
0.5×5_5, 1.5×5_5, 2.5×5_5,
0.5×10_5, 1.5×10_5, 2.5×10_5

4.7 MHz, Ø 6.35 mm,

Water path 10 mm

Influence of the refraction angle
(40° to 65°)

2.25 MHz, Ø 12.7 mm,

Water path 50 mm

10×15_47
Simultaneous influence of the notch height and the refraction angle
(40° à 70°)

2.24 MHz, Ø 6.35 mm,

Water path 25 mm

0.5 à 15×15_30

5 MHz, Ø 6.35 mm,

Water path 25 mm

Simultaneous influence of the notch length and the refraction angle
(45° à 65°)

4.5 MHz, Ø12.7 mm,

Water path 20 mm

2×2_20, 2×5_20, 2×15_20, 6×15_20
 

 

 

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