Offenzellige Metallschaume

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Offenzellige Metallschäume

Typische Eigenschaften

Durchströmbarkeit

Zellweite

0.4 – 5.0 mm

Porosität

90 – 96 %

Dichte

0.3 – 0.8 g/cm

3

(einstellbar)
Mikroporosität

1.5 – 3.0 %

Offenzelligkeit

82 – 90 %

Struktureigenschaften

0

4

8

12

16

0

10

20

30

40

50

60

70

Dichte 0.37-0.44 g/cm

3

10 ppi
30 ppi
45 ppi
60 ppi
80 ppi

Dr

uc

kverlust in mbar/cm

Gasgeschwindigkeit in m/s

2

2

1

v

k

v

k

dl

dp

gas

gas

ρ

µ

+

=

Druckverlust:

Zellweite

Permeabilität k

1

Permeabilität k

2

[ppi]

[m

2

]

[m

-1

]

10

3.0·10

-7

110

30

8.7·10

-8

230

45

2.0·10

-8

950

60

5.5·10

-9

1620

80

2.2·10

-9

2080

Druckfestigkeit

0

20

40

60

0

2

4

6

Dichte 0.37-0.44 g/cm

3

30 ppi
45 ppi
60 ppi
80 ppi

Spa

nnu

ng in

M

P

a

Stauchung in %

0

20

40

60

0

2

4

6

8

10

12

Stahl 316L
Zellweite 45 ppi

ρ

rel

=0.79 g/cm

3

ρ

rel

=0.69 g/cm

3

ρ

rel

=0.52 g/cm

3

ρ

rel

=0.35 g/cm

3

Sp

ann

ung

in

MPa

Stauchung in %

100

1000

10000

0,0

0,2

0,4

0,6

0,8

1,0

Stahl 316L
30 x 40 mm

Dichte 0.5 g/cm

3

30 ppi
60 ppi
80 ppi

Absorptionskoeffient

Frequenz in Hz

Akustische Eigenschaften


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