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Toughening and Strengthening Response in Ni3Al-Bonded Titanium Carbide Cermets

  • Paul F. Becher EMAIL logo , Kevin P. Plucknett and Chun-Hway Hsueh
Published/Copyright: February 15, 2022
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 92 Issue 8

Abstract

Nickel aluminide (Ni3Al) was used as a binder phase to fabricate dense TiC cermets with Ni3Al contents of up to 60 vol. % and TiC grain sizes of ~ 5 to ~ 0.8 μm by either sintering of mixed powders or a melt-infiltration sintering process. These TiC–Ni3Al cermets exhibit high fracture toughness together with exceptional flexure strengths (> 1 GPa), which are retained at temperatures of ~ 1000 °C. While the flexure strength exhibited a modest increase as the Ni3Al content was raised, both the Weibull modulus (up to ~20) and the toughness ~ 18 MPa m exhibited substantial increases. The increased toughness was found to result from a combination of interface debonding and grain cleavage that combined to enhance plastic deformation of the Ni3Al ligaments in the crack wake. Crack opening displacement measurements reveal a blunted crack profile and suggest a bridging zone length in excess of 100 microns.

Keywords: Titanium carbide cermets; Toughening; Strengthening
Dr. RE Becher Metals and Ceramics Division National Laboratory Oak Ridge, TN 37831-60, 68, USA Fax:+18655748445

Dedicated to Professor Dr. Dr. h.c. mult. Günter Petzow on the occasion of his 75th birthday

  1. The authors acknowledge the technical contributions of C. G. Westmoreland and S. B. Waters. The research was sponsored by the Office of Transportation Technology, Heavy Vehicle Propulsion Materials Program and the Office of Basic Energy Sciences, Division of Materials Sciences and Engineering of the Department of Energy under contract no. DE-AC05–00OR22725 with UT-Battelle LLC.

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Received: 2001-03-20
Published Online: 2022-02-15

© 2001 Carl Hanser Verlag, München

Articles in the same Issue

  1. Frontmatter
  2. Editorial
  3. Günter Lange 65 Years
  4. Aufsätze/Articles
  5. Deformation and Microstructure of Titanium Chips and Workpiece
  6. Eigenspannungsabbau in zügig und zyklisch beanspruchten Schweißverbindungen
  7. Bruchmechanische Nachweise zur Stahlgütewahl für moderne Feinkornbaustähle
  8. Experimental Analysis of the Interaction of “Hot” and “Cold” Volume Elements during Thermal Fatigue of a Cooled Component Made from AISI 3161 Steel
  9. Microstructure and Cyclic Deformation Behavior of Wheel and Tire Steels in Technically Relevant Heat Treatments
  10. Dehnratenabhängige Beschreibung der Fließkurven für erhoöhte Temperaturen
  11. Ein einfaches Modell für die Kinetik der Rekristallisation
  12. Determination of the Elastic Modulus of Wear Resistant Coatings by Quantitative Acoustic Microscopy
  13. Processing, Microstructure and Properties of Nb–TiO2 ODS Materials for Surgical Implants
  14. Influence of Surface Treatment on the Pitting Corrosion Behaviour of High Alloyed Stainless Steels in a Chloride Solution
  15. Unfall durch Drahtseilriss in einer Tunnelbaustelle
  16. Synthesis of Nanocrystalline B2 Structured (Ru, Ir) Al in the Ternary Ru–Al–Ir System by Mechanical Alloying and its Thermal Stability
  17. Preparation of Ca-α-sialon Ceramics with Compositions along the Si3N4-1/2 Ca3N2:3AIN Line
  18. SiC–Si3N4 Nanocomposite Prepared by the Addition of SiO2 + C
  19. Ceramics in the Si3N4–ZrO2–CeO2 System: Phase Composition Changes and Properties
  20. The Al–Ca System, Part 1: Experimental Investigation of Phase Equilibria and Crystal Structures
  21. The Al–Ca System, Part 2: Calorimetrie Measurements and Thermodynamic Assessment
  22. Phase Relationships of the Gd-Zn System
  23. Ableitung des Kristallisationspfades in ternären Gusslegierungen
  24. Bildanalyse komplexer Werkstoffgefüge durch Texturanalyse und Korrelation mit den Eigenschaften durch neuronale Netze
  25. Grain Growth in the Nanocrystalline W–Cu and Cu–Pb Composite Powders Prepared by Mechanical Alloying
  26. Toughening and Strengthening Response in Ni3Al-Bonded Titanium Carbide Cermets
  27. Creep Behavior of γ-TiAl-Based Alloys with Fully Lamellar Microstore
  28. Elevated Temperature Deformation of P/M Dispersion - Strengthened Copper and Aluminium
  29. Evolution of the Microstructure during Hot Working of Gamma-Based TiAl Alloys
  30. Interface Motion of β-Silicon Nitride in a Liquid Phase
  31. Internal Friction and Creep of Titanium Aluminides with Different Microstructure
  32. Mitteilungen/Notifications
  33. Personen
  34. Conferences
https://doi.org/10.1515/ijmr-2001-0178
Keywords for this article
Titanium carbide cermets; Toughening; Strengthening

Articles in the same Issue

  1. Frontmatter
  2. Editorial
  3. Günter Lange 65 Years
  4. Aufsätze/Articles
  5. Deformation and Microstructure of Titanium Chips and Workpiece
  6. Eigenspannungsabbau in zügig und zyklisch beanspruchten Schweißverbindungen
  7. Bruchmechanische Nachweise zur Stahlgütewahl für moderne Feinkornbaustähle
  8. Experimental Analysis of the Interaction of “Hot” and “Cold” Volume Elements during Thermal Fatigue of a Cooled Component Made from AISI 3161 Steel
  9. Microstructure and Cyclic Deformation Behavior of Wheel and Tire Steels in Technically Relevant Heat Treatments
  10. Dehnratenabhängige Beschreibung der Fließkurven für erhoöhte Temperaturen
  11. Ein einfaches Modell für die Kinetik der Rekristallisation
  12. Determination of the Elastic Modulus of Wear Resistant Coatings by Quantitative Acoustic Microscopy
  13. Processing, Microstructure and Properties of Nb–TiO2 ODS Materials for Surgical Implants
  14. Influence of Surface Treatment on the Pitting Corrosion Behaviour of High Alloyed Stainless Steels in a Chloride Solution
  15. Unfall durch Drahtseilriss in einer Tunnelbaustelle
  16. Synthesis of Nanocrystalline B2 Structured (Ru, Ir) Al in the Ternary Ru–Al–Ir System by Mechanical Alloying and its Thermal Stability
  17. Preparation of Ca-α-sialon Ceramics with Compositions along the Si3N4-1/2 Ca3N2:3AIN Line
  18. SiC–Si3N4 Nanocomposite Prepared by the Addition of SiO2 + C
  19. Ceramics in the Si3N4–ZrO2–CeO2 System: Phase Composition Changes and Properties
  20. The Al–Ca System, Part 1: Experimental Investigation of Phase Equilibria and Crystal Structures
  21. The Al–Ca System, Part 2: Calorimetrie Measurements and Thermodynamic Assessment
  22. Phase Relationships of the Gd-Zn System
  23. Ableitung des Kristallisationspfades in ternären Gusslegierungen
  24. Bildanalyse komplexer Werkstoffgefüge durch Texturanalyse und Korrelation mit den Eigenschaften durch neuronale Netze
  25. Grain Growth in the Nanocrystalline W–Cu and Cu–Pb Composite Powders Prepared by Mechanical Alloying
  26. Toughening and Strengthening Response in Ni3Al-Bonded Titanium Carbide Cermets
  27. Creep Behavior of γ-TiAl-Based Alloys with Fully Lamellar Microstore
  28. Elevated Temperature Deformation of P/M Dispersion - Strengthened Copper and Aluminium
  29. Evolution of the Microstructure during Hot Working of Gamma-Based TiAl Alloys
  30. Interface Motion of β-Silicon Nitride in a Liquid Phase
  31. Internal Friction and Creep of Titanium Aluminides with Different Microstructure
  32. Mitteilungen/Notifications
  33. Personen
  34. Conferences
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