EURO-CERAMICS IIVolume 2

STRUCTURAL CERAMICSAND COMPOSITES

Edited by

G. ZieglerUniversitat Bayreuth, FRG

H. HausnerTechnische Universitat Berlin, FRG

Deutsche Keramische Gesellschaft e.V.

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CONTENTS

VOLUME 2:STRUCTURAL CERAMICS AND COMPOSITES

A STRUCTURAL CERAMICS AND COMPOSITES

Processing Routes

The Use of Clean Rooms for Processing SmallDefect Size Si3N4 CeramicsH. Schubert 703

Associated Analysis of Metallic and Anionic Conta-mination for Si3N4 Clean Room ProcessingW. WSrner, G. Kaiser, K. Schulze, H. Schubert,G. Petzow 709

Process for Producing Silicon Nitride Powder,Particles and FibersU. Vogt, H. Hofmann 715

Additions of Sintering Additives to Silicon Nitrideby a Coating TechniqueC-M. Wang, F.L. Riley, S.K. Biswas 723

High Performance Silicon Nitride Ceramics byHomogeneous Distribution of Low Content SinteringAdditivesS. Siegel, M. Herrmann, H. Klemm, S. Kefller 729

Fabrication of Nitrided Pressureless Sintered (NPS)Silicon Nitride by Slip CastingO. Lyckfeldt, R. Pompe, E. Liden, R. Carlsson 735

Technological Aspects of Slip Casting SiliconNitrideL. Frassek, G. Wotting, H. Nietfeld, U. Pitzer 741

Polycarbosilanes as Binding Agent for PressurelessSintered SiC-MaterialsA.M. Hurtado, Z. Alkan, H.-R. Dose 747

Tailor-Made Structural Ceramic Materials Based onSi3N4 and SicVikulin V 753

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Sintering and Microstructure

Evolution of the Microstructure of Pressed and Tape-Cast Zirconia During SinteringT. Chartier, T. Gervais, L. Chermant,J.L. Chermant, M. Coster 759

Effects of Ti02-Additions on the Stability of theTetragonal Phase in TZP-CeramicsH. Hofmann, B. Michel, 0. Frei 765

Bloating Effect During Sintering of TZPP. Kountouros, H. Schubert 775

A Comparative Study of the Sintering of Alpha andBeta Silicon CarbideF. van Dijen, U. Vogt, D. Overturf 781

Sintering and Grain-Growth of Ultrafine AmorphousSiC/Si-Powder MixturesR. VaBen, D. Stover, J. Uhlenbusch 791

Sintering and HIP-ing of 6-SiC CeramicsV.M. Kevorkijan, M. Komac, D. Kolar 799

Microstructure Development in Pressureless SinteredAlpha-Silicon CarbideB.A. de Angelis, A. Camanzi, S. Loreti, c. Rizzo,P. Alessandrini, E. Ferretti 805

Liquid Phase Sintering of Hot-Pressed SiliconCarbideJ.-M. Lihrmann, E. Kostic 811

Computer Assisted Design of Si3N4 Materials byPressure DilatometryR.F. Silva, J.M. Vieira 817

Optimized Sinter/HIP of Silicon Nitride:Theoretical Considerations and Some ExperimentalResultsA. Ktihne, R. Oberacker, F. Thiimmler 823

Chemical and Physical Gradients in GPSSNU. Neidhardt, E. Bischoff, H. Schubert, G. Petzow,R. Heinze, K.-L. Weisskopf 829

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Microwave Sintered Silicon Nitride CeramicsT.N. Tiegs, J.O. Kiggans, P.A. Menchhofer 835

Microstructure of Silicon Nitrides Densified withY2O3 and A12O3F.A. Costa Oliveira, R.J. Fordham, J.H.W. de Wit 841

Microstructural Design of Dense Si3N4M. Herrmann, S. KeBler, Ch. Schubert 847

Densification Behaviour and High-TemperatureCharacteristics of Gas-Pressure-Sintered SiliconNitrideE. Meissner, W. Luxem, G. Ziegler 853

On the Grain Boundary Phase in a Si3N4 CeramicG. Bernard-Granger, R. Duclos, J. Crampon,B. Cales 859

HREM Study of Variations in Grain-Boundary FilmThickness in Si3N4 CeramicsH.-J. Kleebe 865

Crystallization of the Grain Boundary Phase inSilicon NitrideH. KeBler, M. Herrmann, A. Kluge 871

Crystallization of Glassy Phase in Silicon NitrideCeramics of SSN TypeT. Rabe, A. Marten, D. Linke 877

Influence of Additive Composition on Microstructureof SialonsG.Z. Cao, R. Metselaar, G. Ziegler 883

Mechanical Properties - Microstructure

Influence of Microstructure on Thermo-MechanicalProperties of Alumina CeramicsH. Tomaszewski 889

Effect of Microstructure on the Creep Behaviour ofa Vitreous-Bonded AluminaC. Wolf, H. Hiibner 897

Creep Experiments on AluminaP.W. Bach, B.J. de Smet 903

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Strength of Y-TZP Related to Grain BoundaryProcessesA. Krell, P. Blank 909

High Temperature Mechanical Properties of Y-PSZPolycrystalsA. Bravo-Leon, M. Jimenez-Melendo, R. Marquez,A. Dominguez-Rodriguez 915

The Grain Size Dependence of Mechanical Propertiesin Ceria-Tetragonal Zirconia Polycrystals (Ce-TZPS)J. Wang, X.H. Zheng, S. Bradwell, R. Stevens 921

The Effect of Rare Earth Oxide Additions on theMechanical Properties of Ce-TZPP. McColgan, G.P. Dransfield, T.A. Egerton 927

Microstructural Aspects of Superplastic Deformationin a Yttria Stabilized Zirconia and a Zirconia-Alumina CompositeD.M. Owen, A.H. Chokshi 933

Low Temperature Superplastic Flow of YttriaStabilized Tetragonal Zirconia PolycrystalsM.M.R. Boutz, A.J.A. Winnubst, A.J. Burggraaf,M. Nauer, C. Carry 939

Effect of Yttrium Distribution on SuperplasticProperties of ZrO2-Y2O3 PolycrystalsJ.J. Blandin, A.Varloteaux, G. Kapelski 945

Compressive Creep of Glass Containing ZirconiaPolycrystal (3Y-TZP)B. Caspers, G.A. Schneider, G. Petzow 951

Tough Materials in the TiO2-Y2O3-ZrO2 SystemK. Haberko, W. Pyda, M.M. Bucko, M. Faryna 957

Effect of Carbon and Argon Atmosphere on Propertiesof a Body in the TiO2-Y2O3-ZrO2 SystemW. Pyda, K. Haberko, J. Piekarczyk, M.M. Bucko 963

Microstructure-Reliability Relationship for a Post-HlPed a-SiC MaterialA. Charif, F.R. Osterstock 969

Microstructure and Mechanical Properties of Si3N4Based CeramicsE.M. Knutson-Wedel, L.K.L. Falk, T. Ekstrom 975

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The Tensile Creep Behaviour of Sintered SiliconNitride With and Without a Glassy PhaseM. Gtirtler, G. Grathwohl 981

High Temperature Fracture of Engineering CeramicsA.K. Mukhopadhyay, D. Chakraborty 985

Mechanical Properties - Mechanisms

Crack Surface Friction in A12O3G. Mundry, W. Schaarwachter, R.W. Steinbrech 991

Investigations of Crack Resistance in Alumina ofLow Glass Phase ContentK.K.O. Bar, G. Kleist, H. Nickel 997

Influence of Damage on Crack Growth in AluminaCeramicsF.E. Buresch, F.R. Osterstock 1005

The Influence of Artificial Defects on the strengthand Fracture Behavior of Tensile Test Specimen ofHigh-Purity AluminaM. Wolf, G.A. Schneider, G. Petzow, R. Danzer 1011

R-Curve Behaviour for Alumina and Zirconia CeramicsM. Saadaoui, C. Olagnon, G. Fantozzi 1017

Propagation of Short Surface Cracks in Y-TZPA. Pajares Vicente, F. Guiberteau, G.w. Dransmann,R.W. steinbrech, A. Dominguez-Rodriguez 1023

Cyclic Fatigue of Y-TZP under Compressive LoadsM. Anglada, J. Alcala, L. Iturgoyen,A. Campillo 1031

Anisotropic Mechanical Behaviour at HighTemperatures of Yttria Partially-StabilizedZirconia Single CrystalsJ. Martinez-Fernandez, M. Jimenez-Melendo,A. Dominguez-Rodriguez 1037

Micromechanical Aspects of Crack Resistance ofCeramicsF.E. Buresch 1043

Temperature Dependence of Ceramic HardnessW. Kollenberg 1049

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Near Surface Mechanical Properties of SapphireImplanted by Energetic Heavy IonsR. Nowak, Y. Horino, W. Ensinger, K. Ueno,M. Kinoshita, M. Satou 1055

Anisotropic Mechanical Behaviour of Sapphire In-volved by Dynamic IndentationR. Novak, K. Ueno, M. Kinoshita 1061

Strength and Crack Propagation Behaviour of Aniso-tropic Laminated SiSiCG. Kleer, R. Goller, W. Doll, J. Heinrich andO. Rosenfelder 1067

Damage Zone and Crack Growth in Si3N4 at 1200°CF.E. Buresch, K. Kromp 1073

Static and Cyclic Fatigue of Silicon Nitride atRoom TemperatureA. Weddigen, G. Grathwohl 1079

Fatigue Behavior of Silicon Nitride at ElevatedTemperaturesE. Gehrke, H. Riedel, W. Berweiler, J. Siebels 1085

Ion Beam Induced Modification of Silicon NitrideCeramicsW. Boise, S.D. Peteves, F.W. Saris 1091

Subcritical Crack Growth Characteristics in Soda-Lime Glass under Combined Modes I and II LoadingMitsuo Yoda 1097

Deformation of Porous Glass During Heating undera LoadH.E. Exner, E.A. Giess, B. Schwartz 1103

Mechanical Properties - Design, Testing and Reliability

Design Concepts for Improving Reliability ofCeramic ComponentsR. Kochendorfer 1109

Assessment of Strain-Stress Condition, Strength andReliability of Ceramic MaterialsButurlinova N.A., Fedina Ju.A., Kuznetsov E.G.,Navrotsky V.V 1131

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Can the Weibull Distribution Function be Used in aReliable Way?R. Danzer, G. Reisner 1137

Stau - A Computer Code to Calculate the FailureProbability of Multiaxially Loaded CeramicComponentsA. Heger, A. Bruckner-Foit, D. Munz 1143

Design and Application of Uniaxial and Biaxial BendTests for CeramicsH.F. Scholten, L.J.M.G. Dortmans, G. de With 1149

Fracture Toughness Testing of CeramicsB.J. de Smet, P.W. Bach, P.P.A.C. Pex 1155

Assessment of Flaws in Ceramic ComponentsM. Gallmann, T. Hollstein, G. Kleer, D. Meyer 1161

Statistical and Systematic Errors in the StrengthDetermination of Brittle MaterialsK. Bongartz, H. Schuster 1167

Dynamic Strength Evaluation of Ceramic CircularBeams Containing Small Flaws (Out-of-Plane Vibration)I. Takahashi 1173

Proof Test for Assuring the Strength of CeramicMaterialsI. Takahashi 1179

Computer Simulated Fracture Tests of Fine CeramicsP. Will 1185

Refinements to Flexure TestingG.D. Quinn 1191

Ultrasonic Determination of Elastic Properties ofGasar's (Anisotropic Porous Materials)N. Yeryomenko, J. Piekarczyk, R. Pampuch,V. Shapovalov 1197

Nondestructive Testing of Engineering CeramicsH.-D. Tietz, J. Winterfeld, T. Palm 1203

Prediction of the Mechanical High TemperatureBehaviour of Ceramic Materials by Measuring theYoung's ModulusR. Wagner, S. Siegel, M. Herrmann 1209

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Thermal Shock Resistance of Ceramics for Thermo-mechanical ApplicationsP. Peigne, G. Fantozzi, P. Pesneau 1215

Determination of the Creep Behaviour of Reaction-Sintered Ceramics using Tensile TestingP. lenny, M. Boussuge 1221

Study of Heat Transfer Occuring During a ThermalShock by Water QuenchA. Gaudon, J.C. Glandus, J.P. Bosch 1227

Kc from Fractography of A12O3 and A12O3/ZrO2J.J. Fernandes, L. Guerra Rosa,C. Pacheco da Silva 1231

Mixed-Mode Fracture Toughness of PolycrystallineAluminaG. Nicoletto, L. Esposito 1237

Growth of Indentation Cracks in A12O3 under LoadingR.M. Dickerson, D. Bleise, G. Kleist,R.W. Steinbrech, H. Nickel 1243

Thermal Shock and Fatigue Behaviour of MulliteF. Sudreau, C. Olagnon, G. Fantozzi,O. Leclercq 1249

Determination of Creep Crack Growth in CeramicsG. Martin, T. Fett, D. Munz 1255

High Temperature Tensile and Fatigue Strengths ofSi3N4K.C. Liu, C O . Stevens, C.R. Brinkman 1261

Load-Dependence of Vickers Indentation FractureToughness of Si3N4K.K. Kher, C.B. Ponton, P.M. Marquis 1267

Non-Destructive Ultrasonic Characterization ofCracks in Reaction-Bonded Silicon Nitride (RBSN)P. Lemaitre, F. Lakestani, R. Denis, F. Gandrey 1273

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Wear and Corrosion

Influence of Differentiated Sliding Rates on theWear Behavior of an A12O3 Couple at High Temperatures:Pin-On-Disk Tribometer MeasurementsL. Esposito, A. Tucci, E.H. Toscano, C. Palmonari...1279

An Experimental Investigation on the Static FrictionalBehaviour of Alumino-Silicate Ceramic CouplesS.A.R. Naga, S.M.H. Naga, M.O.A. Mokhtar 1285

An Experimental Investigation on the KineticFriction of Alumino-Silicate Ceramic/Metal CouplesS.A.R. Naga, S.M.H. Naga, M.O.A. Mokhtar 1291

Reduction of Friction and Wear of TZP-Zirconia byMicrostructural OptimizationW. Bundschuh, K.-H. Zum Gahr 1297

Residual Stress and Wear of Mg-PSZP.H.J. van den Berg, G. de With 1303

Aqueous Corrosion of Engineering CeramicsK.A. Nielsen, J.E. Engell, N. Thomsen 1309

Liquid Corrosion of Sic CeramicsW. Genthe, G. Komp, H. Hausner 1315

Chemical Behaviour of SiSic under the Conditions ofa Solar-Heated Sulfuric Acid/Iodine ProcessR. Forthmann, A. Naoumidis, W. Heider 1321

Oxidation of lD-SiC/C/SiC Composites: A TentativeModelingL. Filipuzzi, R. Naslain 1327

Oxidation of Silicon Carbide in Carbon MonoxideQ. Quirmbach, T.J.P. Morgan, K.G. Nickel,G. Petzow 1333

The Changes in the Oxide Scales Formed on CorrodingNon-Oxide CeramicsJ. Chen, J. Sjoberg, C. O'Meara, L. Pejryd,Q. Feng 1339

Oxidation Behaviour of Silicon Carbonitrides Derivedfrom PolysilazanesD. Bahloul, M. Pereira, P. Goursat 1345

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Degradation Mechanisms of a silicon Nitride inH2-H2O EnvironmentsF.A. Costa Oliveira, R.J. Fordham, J.H.W. de Wit 1351

High Temperature Flexure Strength Degradation ofHP-Si3N4 Pre-Exposed to Sulphidizing AggressiveEnvironmentsC. Saraiva Martins, M. Steen, J. Bressers,L. Guerra Rosa 1357

Interaction Between Oxidation and Phase CompositionA. Rendtel, G. Grathwohl, F. Thummler 1363

Corrosion Mechanism of Nonoxide Ceramics in a WideTemperature RangeB. Frisch, B. Miinnich, W.R. Thiele 1369

B COMPOSITES AND COATINGS

Particle-Reinforced Ceramics

Sintering of ZTA at Low Temperatures ThroughTransition Alumina DensificationP. den Exter, A.J.A. Winnubst, A.J. Burggraaf 1377

Consolidation of Y2O3-PSZ Containing AluminaA. Salomoni, I. Stamenkovic, A. Tucci, L. Esposito..1383

Interdependence Between Microstructural Character-istics and Mechanical Properties of Y2O3-PSZ/Alumina CompositesA. Tucci, L. Esposito, A. Salomoni, I. Stamenkovic,G. Timellini 1389

Composition and Processing Effect on Toughening inAlumina-Zirconia CompositesG. Orange, F. Pettini, B. Amram 1395

Structural and Mechanical Study of Superplasticityin a ZrO2/A12O3 Ceramic CompositeR. Martinez, R. Duclos, J. Crampon 1401

Oxidation of Monolithic TiB2 and of A12O3-TiB2CompositeA. Tampieri, V. Biasini, A. Bellosi 1407

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Effect of TiN on the Mechanical Properties of A12O3-ZrO2 CeramicsO.N. Grigoryev, Yu.G. Gogotsi, N.A. Orlovskaya,G.E. Khomenko 1413

Microstructure and Properties of Alumina/SiliconCarbide NanocompositesR.J. Conder, C.B. Ponton, P.M. Marquis 1419

Internal Stresses and Fracture Toughness in a SiCp/A12O3 Ceramic Matrix CompositeR.I. Todd, B. Derby 1425

Effect of Sintering Atmosphere on MicrostructuralEvolution of A12O3 / Sic CompositesM.I. Nieto, P. Miranzo, J.S. Moya, S. de Aza 1431

Microstructure and Some Properties of Alumina-Graphite MaterialsJ. Czechowski 1437

XPS Analysis of CeO2-ZrO2/A12O3 CompositesV. Sergo, C. Schmid, S. Meriani 1445

Consolidation of Y-TZP/SiC Particulate Compositesby Containerless Sintering and Post-HipingZh. Ding, R. Oberacker, H. Frei, F. Thummler 1451

Shape or Size Memory Effect in Ceria Zirconia BasedCeramics?C. Schmid, V. Sergo, S. Meriani 1457

Microstructure of Zirconia-Alumina CompositeCeramicsH.K. Schmid, S. Meriani, C. Schmid 1463

Zircon as a Sintering Additive for TransientlyReaction Sintered Mullite CeramicsJ. Wang, R. Piramoon, C.B. Ponton, P.M. Marquis 1469

Mullite-Alumina MicrocompositesPh. Boch, M.C. Miquel, F. Queyroux, M. Abouaf 1475

Thermo-Mechanical Properties of Mullite-ZirconiaCompositesT. Fandel, C. Zografou, W. Krbnert 1481

Stability of Mullite - Sic CompositesM.I. Osendi, C. Baudin, S. de Aza 1487

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Sol-Gel Processing and Thermal Expansion of A12TiO5-ZrTiO4-CompositesB. Hoppe, I.J. Kim, C. Zografou, W. Krbnert 1493

High Temperature Mechanical Properties of TicToughened SicI. Hahn, G.A. Schneider, G. Petzow 1499

Preparation of SiC-BN Ceramics Using Fine CompositeParticlesJunichi Hojo, Masatoshi Aratani, Akio Kato 1505

Slip Casting and Pressureless Sintering of Si3N4-ZrO2 CompositesH. Byman-Fagerholm, E. Liden, R. Carlsson,J.B. Rosenholm 1511

Oxidation Resistance of Si3N4-TiN CeramicsYu. Gogotsi, F. Porz, V. Yaroshenko 1517

Compressive Creep and Microstructure Development ofSi3N4-Based CompositesF. Peni, J. Crampon, R. Duclos, B. Cales 1523

Low-Cost Nitrided Pressureless Sintered (NPS) Si2N2O-ZrO2 Composites.K. Rundgren, J. Brandt, R. Pompe, R. Carlsson 1529

Encapsulated HIP of Non Oxide CompositesAdlerborn Jan E, Larker Hans T 1535

Platelet-Reinforced Ceramics

Processing of A12O3 and Sic Platelet ReinforcedCompositesM. Belmonte, R. Moreno, J. Requena, J.S. Moya,P. Miranzo 1541

Ceramic Platelet Composites Produced by PressureFiltrationD.A. Warner, O.T. Sorensen 1547

Creep of Tetragonal Zirconia Polycrystals (TZP)Reinforced by Alumina PlateletsC.v. Minden, H. Hiibner 1553

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Creep of Hot-Pressed Silicon Nitride (HPSN)Reinforced by Silicon Carbide PlateletsW. Acchar, H. Hiibner, C. Schubert 1559

Whisker-Reinforced Ceramics

Development of Microstructure in Hot IsostaticallyPressed A12O3 - Sic Whisker CompositesH. Bjorklund, L.K.L. Falk, L. Bjork, H.T. Larker 1565

Influence of Fabrication on Mechanical Propertiesof SiC-Whisker Reinforced AluminaA.R. DeArellano-Lopez, A. Dominguez-Rodriguez,K.C. Goretta, J.L. Routbort 1571

Fracture Resistance Behavior of Silicon CarbideWhisker-Reinforced Alumina Composites with VariousContent and Types of WhiskersS. Tuffe, J. Dubois, G. Fantozzi, G. Barbier 1577

Multiple Toughening Mechanisms and Microstructureof ZTA-A12O3 Whisker CompositesMoon-Hwan Lee, Sung-Churl Choi, Eung-Sang Lee 1583

Development of B-Si3N4-Reinforced Si3N4 CeramicsP. Sajgalik, J. Dusza 1589

Creep of Sic Whisker Reinforced Si3N4 CompositesJ.-L. Besson, E. Champion, P. Goursat, P. Lespade...1595

Microstructure and Mechanical Properties of Un-Dopedand Low-Doped Whisker-Reinforced Si3N4 CeramicsFormed by HIPL.K.L. Falk, H. Bjorklund, J.E. Adlerborn,H.T. Larker 1601

Fiber-Reinforced Ceramics

Recent Advances in Nondestructive Evaluation ofCeramic/Ceramic CompositesR.E. Green, Jr., J.W. Krynicki 1607

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Interfacial Fracture Resistance in Brittle MatrixCompositesC. Bhihe 1615

Preparation of a-A12O3-Fibers from colloidalBoehmite SuspensionsJ. Petrullat, C. Brumm, D. Sporn 1621

Processing of Zirconia Sol Coated Single CrystalAlumina FibersP.M. Brownie, C.G. Neeson, E.G. Butler, C.B. Ponton,P.M. Marquis 1627

Preparation and Mechanical Properties of ZrO212 Mol.% CeO2 Sintered Compacts Containing ShortAlumina FibersS. Maschio, O.A. Bashir, E. Lucchini 1633

Structure and Defects in Mullite Alumina FiberCompositesS. Blackburn 1639

First Results on the Creep of a SiCf -MLAS MaterialD. Kervadec, J.-L. Chermant 1645

Microstructure of Interfaces in Fiber-ReinforcedCeramics and GlassesJ. Woltersdorf, E. Pippel 1651

The Effect of Fiber Coating on Fiber and CeramicComposite StrengthR. Ostertag, R. Huber, T. Helmer, K. Kromp 1657

Properties of Ceramic Matrix CompositesH. Koberle, A. Muhlratzer, K. Peetz 1667

Development of Sic Fiber-Reinforced Silicon NitrideH. Swan, C. O'Meara, J. Brandt, K. Rundgren,R. Pompe, R. Lundberg, L. Pejryd 1673

Ceramic-Metal Systems

Microstructural and Mechanical Properties of Alumina-Iron-Chromium Alloys NanocompositesCh. Laurent, X. Devaux, M. Brieu, A. Rousset 1679

Metal Ceramic A12O3 - Tungsten CompositesV. Kotek 1685

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Ceramic-Metal Composites in the A12O3-ZrO2-Nb SystemR. Tomasi, W.J. Botta F., V.c. Pandolfelli,J.A. Rodrigues, B. Derby, R. Stevens, R.J. Brook.... 1691

Adiabatic Temperature and Microstructure in A12O3-ZrO2-Nb CompositeW.J. Botta F., J.A. Rodrigues, R. Tomasi,V.C. Pandolfelli, R. Stevens, B. Derby, R.J. Brook..1697

Toughening Alumina with Silver InclusionsW.H. Tuan, W.B. Chou 1703

Elaboration and Characterization of MetalCordierite CompositesF. Audry, J. Guille, C. Gaillard, G. Pourroy 1709

Toughening Mechanisms in Si-SiC CompositesE. Scafe, G. Giunta, L. Di Rese, F. Petrucci,G. De Portu, S. Guicciardi 1715

Si/Sic Composites: Analysis of Thermal Conductivityby the Effective Medium TheoryE. Scafe, L. Fabbri, G. Giunta 1721

Coatings

Ceramic Coating Deposited by Plasma Spraying:Influence of Interfacial Temperature on theAdherenceC.P. Bergmann 1727

Effect of Sol-Gel Parameters on Coating Character-istics of Alumina MembranesH.H. Visser, L.C. Klein 1733

Degradation of Ceramic Coatings on ZrO2During Thermal FatigueL. Gorski, T. Wolski 1739

Ceria Stabilized Zirconia Protective Coatings forMetal SubstratesR. Di Maggio, A. Tomasi, P. Scardi, F. Marchetti....1745

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Ceramic Coatings via Reactive Metal Vapor Depositionon Carbon-Containing CompositesB. Ahlers, T. Erny, M. Kulig, A. Stark, M. Seibold,P. Greil 1751

Chemical Reactions in the Process of Deposition ofSi3N4 - LayersS. Jonas, W.S. Ptak, E. Walasek 1759

Aluminide Coatings Modified by Pt on Nickel-Cobalt-ThO2 CompositesM. Ghodsi, T. Beatse, S. Bruynix 1765

Author Index A 1 - A 20

Subjext Index S 1 - S 12