Table 2 Details of the results and the three setups used for the experiments.

From: Collapse dynamics of spherical cavities in a solid under shock loading

D0 (mm)

Dt (mm)

Tt (mm)

Tc (mm)

vi (km/s)

up (km/s)

Us (km/s)

p (GPa)

Single-stage gas gun, single-camera, 25 mm flyer diameter, 5 mm flyer thickness

4

20

12

5

0.200 ± 0.001

0.16 ± 0.01

3.12 ± 0.10

0.60 ± 0.02

4

20

12

5

0.396 ± 0.002

0.32 ± 0.01

3.23 ± 0.10

1.21 ± 0.04

4

20

12

5

0.595 ± 0.003

0.47 ± 0.02

3.28 ± 0.10

1.86 ± 0.06

4

20

12

5

0.750 ± 0.004

0.59 ± 0.02

3.46 ± 0.11

2.44 ± 0.08

6

20

12

6

0.165 ± 0.001

0.13 ± 0.01

3.08 ± 0.10

0.49 ± 0.02

6

20

12

6

0.406 ± 0.002

0.32 ± 0.01

3.24 ± 0.10

1.25 ± 0.04

6

20

12

6

0.589 ± 0.003

0.47 ± 0.02

3.31 ± 0.10

1.84 ± 0.06

Single-stage gas gun, single camera, reverse impact against stainless steel anvil

4

25

13

6

0.719 ± 0.004

0.65 ± 0.02

3.54 ± 0.12

2.72 ± 0.09

4

25

13

6

0.795 ± 0.004

0.71 ± 0.03

3.65 ± 0.11

3.08 ± 0.10

Two-stage gas gun, two cameras, 9 mm flyer diameter, 2 mm flyer thickness

3

11

11

2.5

1.973 ± 0.010

0.99 ± 0.03

4.08 ± 0.13

4.80 ± 0.15

3

11

11

2.5

2.985 ± 0.015

1.48 ± 0.05

4.83 ± 0.15

8.49 ± 0.26

4

11

11

3

3.020 ± 0.015

1.50 ± 0.05

4.85 ± 0.15

8.63 ± 0.26

4

11

11

3

3.937 ± 0.020

1.94 ± 0.06

5.53 ± 0.17

12.71 ± 0.39

6

11

11

4

3.868 ± 0.019

1.90 ± 0.06

5.48 ± 0.17

12.38 ± 0.38

6

11

11

4

3.957 ± 0.020

1.95 ± 0.06

5.55 ± 0.17

12.80 ± 0.39

6

11

11

4

4.697 ± 0.023

2.30 ± 0.07

6.09 ± 0.19

16.60 ± 0.49

  1. The values for up, Us and p were calculated using Eq. 1 and the impedance matching method.
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