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Fall
1999 Impact Parameter Chart |
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Sphere Diameter |
Sphere Density |
Impact Parameters |
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Material 1 |
Material 2 |
(mm) |
(g/cm3) |
e |
žo |
µ |
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Binary |
Delrin AIN Plastics |
Same |
6.35 |
1.44 |
0.95±0.01 |
0.50±0.06 |
0.26±0.01 |
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|
Delrin AIN Plastics |
Same |
3.97 |
1.44 |
0.97±0.01 |
0.50±0.03 |
0.29±0.01 |
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Delrin Small Parts Inc. |
Same |
6.35 |
1.44 |
0.97±0.01 |
0.54±0.10 |
0.14±0.01 |
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Delrin Small Parts Inc. |
Same |
4.76 |
1.44 |
0.97±0.01 |
0.52±0.03 |
0.18±0.01 |
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|
Delrin Small Parts Inc. |
Same |
3.18 |
1.44 |
0.97±0.02 |
0.44±0.03 |
0.19±0.01 |
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Delrin Small Parts Inc. |
Same |
2.38 |
1.44 |
0.94±0.02 |
0.46±0.07 |
0.17±0.01 |
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Ceramic Hoover Precision |
Same |
3.18 |
3.92 |
0.98±0.01 |
0.42±0.06 |
0.10±0.01 |
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Chrome Steel Hoover
Precision |
Same |
3.18 |
7.83 |
1.00±0.01 |
0.54±0.05 |
0.12±0.00 |
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Stainless Steel |
Same |
5.00 |
7.79 |
0.95±0.03 |
0.32 ± 0.08 |
0.099±0.008 |
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Soda lime glass |
Same |
3.18 |
2.5 |
0.97±0.01 |
0.44±0.07 |
0.092±0.006 |
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Fresh Glass |
Same |
2.97 |
2.55 |
0.922±0.021 |
0.37 ± 0.07 |
0.048±0.006 |
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Spent Glass |
Same |
2.97 |
2.55 |
0.972±0.015 |
0.25 ± 0.08 |
0.177±0.020 |
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Acrylic |
Same |
4.00 |
1.22 |
0.934±0.009 |
0.22 ± 0.07 |
0.096±0.006 |
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Cellulose acetate |
Same |
5.99 |
1.319 |
0.87±0.02 |
0.43±0.06 |
0.25±0.02 |
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Delrin |
Same |
3.96 |
1.44 |
0.95±0.01 |
0.42±0.07 |
0.22±0.01 |
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Polystyrene |
Same |
3.95 |
1.06 |
0.95±0.02 |
0.29±0.07 |
0.18±0.01 |
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Polystyrene |
Same |
4.00 |
1.06 |
0.952±0.009 |
0.46 ± 0.05 |
0.189±0.009 |
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LDPE |
Same |
3.96 |
1.03 |
0.71±0.22 |
0.40±0.04 |
0.62±0.03 |
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Teflon |
Same |
3.91 |
2.32 |
0.8±0.02 |
0.40±0.12 |
0.23±0.01 |
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Polypropylene |
Same |
4.00 |
0.947 |
0.87±0.06 |
0.44±0.08 |
0.19±0.01 |
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Acetate |
Same |
3.92 |
1.34 |
0.92±0.04 |
0.25±0.1 |
0.20±0.01 |
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Nylon |
Same |
3.93 |
1.17 |
0.83±0.02 |
0.34±0.04 |
0.26±0.01 |
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Polyurethane |
Same |
4.00 |
1.2 |
0.6±0.05 |
0.30±0.02 |
0.80±0.19 |
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Same |
3.18 |
|
0.77 +/-0.01 |
0.33 +/- 0.10 |
0.17 +/-0.01 |
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Same |
2.38 |
|
0.83 +/-0.02 |
0.30 +/- 0.13 |
0.14 +/-0.01 |
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Same |
3.00 |
|
0.92 +/-0.01 |
0.48 +/- 0.17 |
0.10 +/-0.00 |
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Same |
3.18 |
|
0.95 +/-0.01 |
0.45 +/- 0.13 |
0.11 +/-0.01 |
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Same |
3.15 |
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0.93 +/-0.01 |
0.33 +/- 0.12 |
0.17 +/-0.01 |
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Same |
3.18 |
|
0.97 +/-0.02 |
0.23 +/-0.13 |
0.17 +/-0.02 |
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Titanium |
3.18, 3.00 |
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0.88 +/-0.02 |
0.33 +/- 0.07 |
0.14 +/-0.01 |
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Ceramic |
3.00, 3.18 |
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0.81 +/-0.03 |
0.44 +/- 0.09 |
0.11 +/-0.01 |
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Sphere Diameter |
Sphere Density |
Impact Parameters |
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Material 1 |
Material 2 |
(mm) |
(g/cm3) |
e |
žo |
µ |
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Flat Plate |
Ceramic Hoover Precision |
Lexan |
3.18 |
3.92 |
0.97±0.02 |
0.29±0.02 |
0.30±0.02 |
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Ceramic Hoover Precision |
440C Polished Steel |
3.18 |
3.92 |
0.80±0.01 |
0.12±0.06 |
0.11±0.00 |
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Chrome Steel Hoover
Precision |
Lexan |
3.18 |
7.83 |
0.95±0.02 |
0.33±0.05 |
0.27±0.02 |
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Chrome Steel Hoover
Precision |
440C Polished Steel |
3.18 |
7.83 |
0.84±0.02 |
0.13±0.07 |
0.11±0.01 |
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Fresh Glass Bead |
Aluminum |
2.97 |
2.55 |
0.816±0.013 |
0.46±0.24 |
0.131±0.007 |
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Spent Glass Bead |
Spent Aluminum |
2.97 |
2.55 |
0.800±0.010 |
0.35±0.31 |
0.141±0.009 |
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Soda lime glass sph. |
Smooth Aluminum |
3.18 |
2.5 |
0.831±0.009 |
0.31±0.06 |
0.125±0.007 |
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Cellulose acetate |
Smooth Aluminum |
5.99 |
1.319 |
0.891±0.003 |
0.39±0.07 |
0.208±0.007 |
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Spent Glass Bead |
Similar Stationary |
2.97 |
2.55 |
0.865±0.011 |
0.34±0.16 |
0.126±0.014 |
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Acrylic |
Aluminum |
3.97 |
1.22 |
0.94±0.03 |
0.51±0.14 |
0.14±0.01 |
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Acrylic |
Ionized Aluminum |
3.97 |
1.22 |
0.93±0.01 |
0.49±0.12 |
0.2±0.02 |
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Acrylic |
Glass |
3.97 |
1.22 |
0.83±0.05 |
0.34±0.21 |
0.12±0.01 |
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Lexan |
3.00 |
|
0.930 +/- |
-0.56+/- 0.41 |
0.086 +/-0.006 |
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Sphere Diameter |
Sphere Density |
Impact Parameters |
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Material 1 |
Material 2 |
(mm) |
(g/cm3) |
e |
žo |
µ |
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Bump |
300 Series Stainless |
3.00 |
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0.700 +/- |
1.43+/- 0.21 |
0.162 +/-0.005 |
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Sphere Diameter |
Sphere Density |
Impact Parameters |
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Material 1 |
Material 2 |
(mm) |
(g/cm3) |
e |
žo |
µ |
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Cylinder |
Ceramic |
440C Polished Steel |
3.18 |
3.92 |
0.89±0.01 |
2.15±1.04 |
0.11±0.01 |
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Chrome Steel |
440C Polished Steel |
3.18 |
7.83 |
0.93±0.05 |
0.99±0.37 |
0.14±0.01 |
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Acrylic |
Steel |
3.18 |
1.22 |
1.064±0.002 |
0.44±0.12 |
0.230±0.009 |
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Acrylic |
Steel |
3.97 |
1.22 |
1.064±0.002 |
0.44±0.12 |
0.230±0.009 |
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Sphere Diameter |
Sphere Density |
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Impact Parameters |
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Material 1 |
Material 2 |
(mm) |
(g/cm3) |
e |
žo |
µ |
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*-GLU |
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1GLU |
Delrin AIN Plastics |
Same |
6.35 |
1.44 |
0.92±0.01 |
0.39±0.18 |
0.21±0.01 |
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3GLU |
Delrin AIN Plastics |
Same |
6.35 |
1.44 |
0.73±0.01 |
0.75±0.05 |
0.25±0.01 |
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4GLU |
Delrin AIN Plastics |
Same |
6.35 |
1.44 |
0.73±0.01 |
0.76±0.07 |
0.20±0.00 |