Preface

iii

Session I – Ceramic Composites

Oxidation-Resistant Interfacial Coatings for Continuous Fiber Ceramic Composites

1

D.P. Stinton, T.M. Besmann, and A. Bleir

Modeling of Fibrous Preforms for CVI Fabrication 

13

T.L. Star and D.Y. Chiang

Engineering-Scale Development of the Vapor-Liquid-Solid (VLS) Process for the Production of Silicon Carbide Fibrils and Linear Fibril Assemblies

19

M.A. Tenhover and J. J. Biernacki

Mechanical Properties of Ceramic Composite Tubes

31

W. A. Curtin, L. L. Olesksuk, K. L. Reifsnider, and D. P Stinton

Joining of SIC Ceramics and SiC/SiC Composites

41

B. H. Rabin

Comparison of High Temperature Mechanical Properties of Two Monolithic SiC Ceramics and on Al2O3 SiC Composite

45

K. Breder

Factors Effecting the Corrosion Rates of Ceramics in Coal Combustion Systems

57

J.P. Hurley

Corrosion Performance of Materials for Advanced Combustion Systems

71

K. Natesan, M. Freeman, and M. Mathur

Mullite Coatings for Corrosion Protection of Silicon Carbide

85

R. Mulpuri and V. Sarin

97

Mechanical Behavior of Ceramic Composite Hot-Gas Filters After Exposure to Severe Environments

D.J. Pysher, B. L. Weaver, R.G. Smith, J. H. Eaton, and J. L. Kahnke

Fracture Behavior of Advanced Ceramic Hot-Gas Filters

107

J. P. Singh, D. Singh, J. Smith, and H. Volz

High Temperature Corrosion of Advanced Ceramics Material for Hot-Gas Filters and Heat Exchangers

117

E. R. Kupp, M. F. Trubejia, K. E. Spear, and R. E. Tressler

Thermal and Structural Analysis of a Filter Vessel Ceramic Tubesheet

127

R. H Mallett, R. W. Swindeman, and J. F. Zievers

Processing of Silicon Nitride and Alumina Nanosize Powders

133

E. J. Gonzalez, G. Piermarini, B. Hockey, and S. G. Malghan

Session II – Ceramics and New Alloys

Development of Nondestructive Evaluation Methods and Prediction of Effects of Flaws on the Fracture Behavior of Structural Ceramics

145

W. A. Ellingson, J. P. Singh, E. A. Silvers, J. B. Stuckey, D. Christopher, S. L. Dieckmann, and D. Singh

Fabrication of Fiber-Reinforced Composites by Chemical Vapor Infiltration

157

W. M. Matlin, D. P. Stinton and T. M. Beamann

Transport Properties of Ceramic Composites

167

T. L. Starr

Development of Materials for Microwave-Heated Diesel Particulate Filter

175

M. A. Janney and D. P. Stinton

High Temperature Inorganic Membranes for Separating Hydrogen

185

D. E. Fain and G. E. Roetiger

Mixed Oxygen Ino/Electron-Conducting Ceramics for Oxygen Separation

195

J. W. Stevenson, B. L. Armstrong, T. R. Armstrong, J. L. Bates, L. R. Pederson, and W. J. Weber

205

Proton Conducting Cerate Ceramics

G. W. Coffey, L. R. Pederson, T. R. Armstrong, J. L. Bates, and W. J. Weber

Synthesis of Silicon Nitride Powders in Pulsed Rf Plasmas

215

R. J. Buss, S. V. Babu, and P. Ho

Mechanically Reliable Surface Oxides for High-Temperature Corrosion Resistance

225

K. Natesan, B. W. Veal, M. Grimsditch, D. Renusch, and A. P. Paulikas

Plasma Synthesis of Alumina Films on Metal and Ceramic Substrates

329

I. Brown and Z. Wang

Mechanically Reliable Scales and Coatings

247

P. F. Tortorelli and K. B. Alexander

Welding and Mechanical Properties of Cast FAPY (Fe-16 at. % Al-Based) Alloy Slabs

257

V. K. Sikka, G. M. Goodwin, D. J. Alexander, and C. R. Howell

The Influence of Processing on Microstructure and Properties of Iron Aluminides

271

R. N. Wright and J. K. Wright

Weld Overlay Cladding With Iron Aluminides

281

G. M. Goodwin

High-Temperature Corrosion Behavior of Iron-Aluminide Alloys and Coatings

289

P.F. Tortorelli, J. H. DeVan, B. A. Pint, and I. G. Wright

Effect of Surface Condition on the Aqueous Corrosion Behavior of Iron Aluminides

301

R. A. Buchanan and R. L. Perrin

311

Pack Cementation Cr-Al Coating of Steels and Ge-Doped Silicide Coating of Cr-Nb Alloy

Y.R. He, M. H. Zheng, and R. A. Rapp

Microstructure Characterization and Weldability Evaluation of the Weld Heat Affected Zone (HAZ) in 310 HCbN Tubing

325

C. D. Lundin, and C.Y.P. Qiao

The Effects of Microstructural Control on the Mechanical Behavior of Cr2Nb-Based Alloys

335

J. A. Cook, P. K. Liaw, and C. T. Liu

Session III – Workshop on Materials Challenges in Advanced Fossil Fueled Power Systems

Session IV – New Alloys and Functional Materials

ODS Iron Aluminides

355

I. G. Wright, C. G. McKamey and B. A. Pint

Effect of Composition and Heat Treatment at 1150C on Creep-Rupture Properties of Fe2Al-Based Alloys

369

C. G. McKamey, P. J. Maiasz and Y. Marerro-Sanios

Environmental Embrittlment of Iron Aluminides Under Cyclic Loading Conditions

377

A. Castagna, D. A. Alven, and N.S. Stoloff

The Effect of Alloying and Grain Refinement on the Room-Temperature Ductility of As-Cast Fe2Al-Based Alloys

387

S. Viswanathan, C. G. McKamey, and P. J. Maziasz

Electro-Spark Deposited Coatings for Protection of Materials

407

R. N. Johnson

415

Cr2Nb-Based Alloy Development

C. T. Liu, P. F. Tortorelli, J. A. Horton, D. S. Easton, J. H. Schneibel, L. Heatherly, C. A. Carmichael, M. Howell, and J. L. Wright

Investigation of Austenitic Alloys for Advanced Heat Recovery and Hot-Gas Cleanup Systems 

427

R. W. Swindeman and W. Ren

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

435

J. B. Blough, M. T. Krawchuk, and S. F. Van Weele

A Novel Carbon-Fiber Based Porous Carbon Monolith

447

T. D. Burchell, J. W. Klett, and C. E. Weaver

Carbon-Fiber Composite Molecular Sieves for Gas Separation

457

M. Jagtoyen, F. Derbyshire, G. Kimber, and Y. Q. Fei

Stability of Solid Oxide Fuel Cell Materials

467

T. R. Armstrong, L. R. Pederson, J. W. Stevenson, and P. E. Raney

Ceramic Catalyst Materials

477

A. G. Sault and T. J. Gardner