open-cell foam tech sheet - ultramet · open-cell foam tech sheet. ppi = pores per inch 20 30 40 50...
TRANSCRIPT
-
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)