Microstructure Control of Titanium Aluminide Powder Compacts by Thermochemical Processing

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概要

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• Powder metallurgy of ordered alloys is not only a method to obtain net-shape products but is also an effective approach to microstructural refinement for improvement of some properties such as tensile ductility and fatigue strength. In the present study, prealloyed plasma rotating electrode process (PREP) powder was used to produce compacts with an ultrafine grain structure by employing conventional and hydrogen thermochemical processing routes. These processes are capable of producing a wide range of alpha-2 (α2) structures, including an ultrafine microstructure with a grain size on the order of a micron. This paper will discuss some of the mechanisms leading to microstructure refinement with an emphasis on the role of hydride formation.

著者

• EYLON Daniel

  Graduate Materials Engineering, University of Dayton

• Apgar Leslie

  Graduate Materials Engineering KL-407, University of Dayton

• Eylon Daniel

  Graduate Materials Engineering KL-407, University of Dayton

関連論文

• Effect of β Phase Stability at Room Temperature on Mechanical Properties in β-Rich α+β Type Ti-4.5Al-3V-2Mo-2Fe Alloy
• Effect of Cooling Rate on Microstructure and Fracture Characteristics of β-Rich α+β Type Ti-4.5Al-3V-2Mo-2Fe Alloy
• Microstructure Control of Titanium Aluminide Powder Compacts by Thermochemical Processing

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