Open-Cell Foam Tech Sheet - Ultramet · Open-Cell Foam Tech Sheet. PPI = Pores Per Inch 20 30 40 50...

Compressive

TensileTensile

Shear

Compressive

00 1.0 1.00.5 0.5

44

22

0 0

10

66

8

8

Bulk density, g/cm3

Stre

ngth

, ksi

Youn

g’s

mod

ulus

, Msi

Bulk density, g/cm3

♦

♦

♦

♦♦

♦♦

3000 4000 500010000 200010−2

10−1

10

104

103

102

101

Ultramet SiC foam >1000 W/cm2 at

PPI = Pores Per Inch

10090807060504030200.01

0.1

1.0

10

Pore size, ppi

∆P, i

n-H

2O

Velocity, cm/sec

∆P, m

mH

2O ∆P, psid

No foam80 ppi, 20 vol%80 ppi, 30 vol%

100 ppi, 20 vol%100 ppi, 30 vol%

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

0

100

200

300

400

500

600

700

800

900

1000

543210

Com

pres

sive

str

engt

h, p

si

Relative density, vol%

pyC

SiC

5 10 15 20 25 30

7000

6000

5000

4000

3000

2000

1000

0

Compressive Strength of Foams

Surf

ace

area

, cm

2 /cm

3

Pore size, ppi

97 vol%

87 vol%

77 vol%

20 30 40 50 60 70 80 90 100

20

40

60

80

100

0

Pore size, ppi

Dia

met

er, μ

mWindow

Cell

10 20 40 60 80 1000

500

1500

2500

3500

Pressure Drop for RVC Foam1" thick sample

Without Coating

With 20-vol% or 10-vol% Coating

Pressure Drop for SiC Foam 2×3×½"sampleswithwaterflowing parallel to long axis

Pore size, ppi

∆P, i

n-H

2O

0.1

1.0

10

40 50 60 70 80 90 1003020

1 m/s

3 m/s5 m/s

1 m/s

3 m/s5 m/s

20 vol%10 vol%

Surface Area of FoamsReported surface area was average of various models and measurements.

Cell and Window Diameters vs. Pore Size97 vol%

5 m/s

3 m/s

1 m/s

Cell diameterCell structure Window diameter

Nomenclature

Pore size: pores per inch (ppi)