Preface

iii

1.

Session I – Ceramic Composites and Functional Materials

1

1.1

Fabrication of Fiber-Reinforced Composites by Chemical Vapor Infiltration.  T. M. Besmann, J.C. McLaughlin, K. J. Probst, T. J. Anderson and T. L. Starr

1

1.2

Mass Transport Measurements and Modeling for Chemical Vapor Infiltration.  T. L. Starr, D. Y. Chiang, O. G. Fiadzo, and N. Hablutzel

13

1.3

Oxidation-Resistant Interface Coatings for Nicalon/SiC Composites.  D.P. Stinton, T. M. Besmann, and R. A. Lowden

23

1.4

Corrosion Protection of SiC Based Ceramics with CVD Mullite Coatings M. L. Auger and V. K. Sarin

33

1.5

Thermal Cycling Characteristics of Plasma Synthesized Mullite Films.  O. R. Monteiro, P. Y. Hou, and I. G. Brown

47

1.6

Influence of Water Vapor and Slag Environments on Corrosion and Mechanical Environments on Corrosion and Mechanical Properties of Ceramic Materials.  K. Natesan and M. Thiele

57

1.7

Evaluation of an All-Ceramic Tubesheet Assembly for a Hot Gas Filter.  J. L. Bitner, R. H. Mallett, P.M. Eggerstedt, and R. W. Swindeman

69

1.8

Development of Nondestructive Evaluation Methods for Structural Ceramics.  W. A. Ellingson, R.D. Koehl, H. P. Engel, J. B. Stuckey, J. G. Sun, and R. G. Smith

79

1.9

Solid State Electrolyte Systems.  L. R. Pederson, B. L. Armstrong, T. R. Armstrong, J. L. Bates, G.W. Coffey, G.H. Hsieh, J. Li, T.O Mason, A. S. Rupaal, J. W. Stevenson, and W. J. Weber

89

1.10

Activation and Micropore Structure of Carbon Fiber Composites.  M. Jagtoyen, F. Derbyshire, and G. Kimber

97

1.11

Carbon Fiber Composite Molecular Sieves.  T.D. Burchell and M. R. Rogers

107

2.

Session II – Ceramics, New Alloys, and Functional Materials

117

2.1

Mechanical Performance of Hi-Nicalon/CVI-SiC Composites with Multilayer SiC/C Interfaces.  H. G. Halverson, R. H. Carter, and W.A. Curtin

117

2.2

Heat Treatment Effects for Improved Creep+Rupture Resistance of A Fe₃A_l Based Alloy.  C. G. McKamey and P.J. Maziasz

127

2.3

Effects of Composition on the Environmental Embrittlement of Fe3Al Alloys.  D. A. Alven and N. S. Stoloff

137

2.4

Effects of Titanium and Zirconium on Iron Aluminide Weldments.  B. L. Mulac, R. P. Burt, G. R. Edwards, and S.A. David.

147

2.5

Effects of 1000oC Oxide Surfaces on Room Temperature Aqueous Corrosion and Environmental Embrittlement of Iron Aluminides.  R.A. Buchanan and R. L. Perrin

159

2.5

The Influence of Processing on Microstructure and Properties of Iron Aluminides.  R.N. Wright, J.K. Wright, and M.T. Anderson

169

2.6

Mechanisms of Defect Complex Formation and Environmental-Assisted Fracture-Behavior of Iron Aluminides.  B.R. Cooper, L.S. Murat, B.S. Kang, and K. Z. Li

179

2.7

Ultrahigh Temperature Intermetallic Alloys.  M. P. Brady, J. H. Zhu, C. T. Liu, P. F. Tortorelli, J. L. Wright, C.A. Carmichael, and L.R. Walker

195

2.8

Study of Fatigue and Fracture Behavior of NbCr2-Based Alloys:  Phase Stability in Nb-Cr-Ni Ternary System.  J. H. Zhu, P. K. Liaw, and C.T. Liu

207

2.9

Weld Overlay Cladding with Iron Aluminides.  G. M. Goodwin

217

2.10

Ceramic Membranes for High Temperature Hydrogen Separation.  K. D. Adcock, D. E. Fain, D. L. James, L. E. Powell, T. Raja, G. E. Roettger, and T. G. Sutton

225

2.11

High Temperature Corrosion Behavior of Iron Aluminide Alloys and Coatings.  P.F. Tortorelli, B. A. Pint, and I. G. Wright

235

2.12

Corrosion-Resistant Coating Development. D. P. Stinton, D. M. Kupp, and R. L. Martin

247

3.

Session III – Workshop

259

3.1

Summary of Workshop on Materials Issues in Low Emission Boilers and In High-Efficiency Coal-Fired Cycles

259

4.

Session IV – New Alloys

265

4.1

Development of ODS-Fe₃Al Alloys.  I. G. Wright, B.A. Pint, P. F. Tortorelli, and C. G. McKamey

265

4.2

Iron Aluminide Weld Overlay Coatings for Boiler Tube Protection in Coal-Fired Low NOx Boilers.  S.W. Banovic, J. N. DuPont, and A.R. Marder

279

4.3

Corrosion Performance of Iron Aluminides in Fossil Energy Environments.  K. Natesan

289

4.4

Microstructure and Mechanical Reliability of Alumina Scales and Coatings.  K. B. Alexander, K. Prubner, and P. F. Tortorelli

301

4.5

Microstructural and Mechanical Property Characterization of Ingot Metallurgy ODS Iron Aluminide.  V. K. Sikka, C.R. Howell, F. Hall, and J. Valykeo

313

4.6

Simultaneous Aluminizing and Chromizing of Steels to Form (Fe,Cr)3Al Coatings and Ge-Doped Silicide Coatings of Cr-Zr Base Alloys.  M. Zheng, Y. He, and R. A. Rapp

331

4.7

Electro-Spark Deposition Technology.  R. N. Johnson

341

4.8

Investigation of Austenitic Alloys for Advanced Heat Recovery and Hot-Gas Cleanup Systems.  R. W. Swindeman

351

4.9

Fireside Corrosion Testing of Candidate Superheater Tube Alloys, Coatings, and Claddings – Phase II

357

4.10

Processing and Properties of Molybdenum Silicide Intermetallics with Boron.  J. H. Schneibel, C. T. Liu, L. Heatherly, J. L. Wright, and C. A. Carmichael

367