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Thermal conductivity of functionally graded Fe–Cu–C alloy processed by liquid phase sintering and carburization

  • Yasuaki Okita , Yoko Yamada-Pittini and Ryuzo Watanabe EMAIL logo
Published/Copyright: January 22, 2022
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 96 Issue 2

Abstract

Thermal conductivity of a functionally graded Fe – Cu – C alloy prepared by liquid phase sintering and the subsequent carburization was investigated. The formation of the graded structure and its characterization are briefly reviewed, and the thermal conductivity of the graded compact is analyzed by Eshelby’s equivalent inclusion method. A microstructure model in which ellipsoidal copper particles are embedded in the iron matrix was employed. The thermal conductivity was calculated for directions parallel and perpendicular to carburization as functions of the size, aspect ratio, and volume fraction of the copper particles. The predicted values were in good agreement with the experimental results. The present analysis will give a good guide for the practical application of this material.

Keywords: Functionally graded material; Carburized sintered composite; Thermal conductivity; Eshelby’s equivalent inclusion method; Engine valve sheet
Dr. Ryuzo Watanabe Tohoku Polytechnic College, Aomori 171-02, Kitsuneno, Goshogawara Aomori, 037-3201, Japan Tel.: +81 173 37 3201 Fax: +81 173 37 3203

Dedicated to Professor Dr. Duk Yong Yoon on the occasion of his 65th birthday

Department of Materials Processing, School of Engineering, Tohoku University, Aobayama, Sendai, Japan

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Received: 2004-09-13
Accepted: 2004-11-29
Published Online: 2022-01-22

© 2005 Carl Hanser Verlag, München

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  2. Editorial
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https://doi.org/10.3139/ijmr-2005-0024
Keywords for this article
Functionally graded material; Carburized sintered composite; Thermal conductivity; Eshelby’s equivalent inclusion method; Engine valve sheet

Articles in the same Issue

  1. Frontmatter
  2. Editorial
  3. Editorial
  4. Articles Basic
  5. Solute drag illustrated graphically
  6. Dopant effect on high-temperature plastic flow behavior and grain boundary chemistry in oxide ceramics
  7. Anomalous behaviour in diffusion impedance of intercalation electrodes
  8. A simple model of fully-faceted grain growth and coarsening with non-linear growth laws
  9. Thermal conductivity of functionally graded Fe–Cu–C alloy processed by liquid phase sintering and carburization
  10. Microstructure development during liquid-phase sintering
  11. The mechanical properties of a joint of Sn-3.5Ag-1Zn solder and Cu substrate with aging treatment
  12. Three-dimensional morphological characterization of coarsened microstructures
  13. Faceting and migration of twin grain boundaries in zinc
  14. Effect of external electric field on the microstructural evolution of La2O3-doped BaTiO3 ceramics
  15. Hardness and fracture toughness of ultra-fine WC-10Co-X cemented carbides prepared from nanocrystalline powders
  16. Systematic study of grain boundary atomistic structures and related properties in cubic zirconia bicrystals
  17. Spontaneous generation of charged atoms or clusters during thermal evaporation of silver
  18. The influence of singular surfaces and morphological changes on coarsening
  19. Electrical activity of grain boundaries in polycrystalline silicon – influences of grain boundary structure, chemistry and temperature
  20. Changes in the distribution of interfaces in PMN-35 mol% PT as a function of time
  21. Study of the effect of heat treatment on a Pt–Co thin film by Monte Carlo simulations coupled with a modified embedded atom method
  22. The influence of misorientation deviation on the faceting of Σ3 grain boundaries in aluminium
  23. Notifications/Mitteilungen
  24. Personal/Personelles
  25. Materials Week
  26. Conferences/ Konferenzen
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