Executive Summary |
2 |
1.0 |
Introduction |
4 |
2.0 |
Background Information |
5 |
3.0 |
Program Objectives |
7 |
4.0 |
Fabrication Approach |
8 |
4.1 |
Raw Materials |
8 |
4.1.1 |
Continuous Fiber |
8 |
4.1.1.1 |
Fiber Coating |
10 |
4.1.2 |
Chopped Fiber |
10 |
4.1.3 |
Binders |
10 |
4.1.3.1 |
Phosphoric Acid |
10 |
4.1.3.2 |
Boehmire |
11 |
4.1.3.3 |
Thermal Bonded |
11 |
4.2 |
Vacuum Winding Process |
11 |
4.3 |
Bonding |
12 |
4.4 |
Heat Treating |
13 |
4.5 |
Test Methods |
13 |
4.5.1 |
Permeability |
13 |
4.5.2 |
C-ring Strength |
13 |
4.5.3 |
Microstructure |
14 |
5.0 |
Open-End Tube Fabrication and Testing |
15 |
5.1 |
Vacuum Winding |
15 |
5.2 |
Permeability |
15 |
5.3 |
C-Ring Strength |
15 |
5.4 |
Conclusion and Recommendations |
16 |
6.0 |
Sub-Scale Elements |
17 |
6.1 |
Filament Winding |
17 |
6.2 |
Coal Combustion Exposure Test |
17 |
6.3 |
Results and Discussion |
19 |
6.3.1 |
Permeability |
19 |
6.3.2 |
C-ring Strength |
19 |
6.3.3 |
Microstructure |
20 |
6.4 |
Conclusion and Recommendations for Full-Scale Elements |
22 |
7.0 |
Full-Scale Filter Elements: One Meter Elements |
23 |
7.1 |
Vacuum Winding |
23 |
7.2 |
Bonding |
23 |
7.3 |
Flange Machining Issues |
23 |
7.4 |
W-STC HTHP Test |
24 |
7.4.1 |
Filter Issues |
24 |
7.5 |
Results and Discussion |
24 |
7.5.1 |
Composition |
24 |
7.5.2 |
Permeability |
24 |
7.5.3 |
C-ring Strength |
25 |
7.5.4 |
Microstructure |
25 |
7.6 |
Conclusions and Recommendations |
26 |
8.0 |
Filter Improvement and Cost Reduction |
27 |
8.1 |
Vacuum Winding |
27 |
8.1.1 |
Nextel Fiber Shape |
27 |
8.1.2 |
Fiber Architecture |
27 |
8.1.3 |
Net Shape Flange |
28 |
8.2 |
Bonding |
28 |
8.3 |
Results and Discussion |
29 |
8.3.1 |
C-ring Strength and Permeability |
29 |
8.4 |
Conclusions and Recommendations |
29 |
9.0 |
Fabrication of 50 Elements for Testing: Karhula PCFB Test |
30 |
9.1 |
Results and Discussion |
30 |
9.1.1 |
Composition and Permeability |
30 |
9.1.2 |
Surface Defects |
30 |
9.1.3 |
C-Ring Strength |
31 |
9.2 |
Conclusions and Recommendations |
31 |
10.0 |
Fabrication of 50 Elements for Testing: PSDF Test |
32 |
10.1 |
Results and Discussion |
32 |
10.1.1 |
Composition and Permeability |
32 |
10.1.2 |
PSDF TCO2 Thermal Excursion |
32 |
11.0 |
CFCC Modeling and Testing Support |
33 |
12.0 |
Conclusions and Recommendations |
34 |
12.1 |
Benefits of the MTI Vacuum Wound Filter Element |
34 |
12.2 |
Development Status and Manufacturing Scale-Up |
34 |
12.3 |
Future Work |
35 |