Self-Consolidation and Surface Modification of Mechanical Alloyed Ti-25.0 at.% Al Powder Mixture by Using an Electro-Discharge Technique

• Autorzy: Chang S. Y. , Jang H. S. , Yoon Y. H. , Kim Y. H. , Kim J. Y. , Lee Y. K. , Lee W. H.

Identyfikatory

DOI

10.1515/amm-2017-0195

• Języki publikacji: EN

Abstrakty

EN

Electrical discharges using a capacitance of 450 μF at 0.5, 1.0, and 1.5 kJ input energies were applied in a N₂ atmosphere to obtain the mechanical alloyed Ti₃Al powder without applying any external pressure. A solid bulk of nanostructured Ti₃Al was obtained as short as 160 μsec by the Electrical discharge. At the same time, the surface has been modified into the form of Ti and Al nitrides due to the diffusion process of nitrogen to the surface. The input energy was found to be the most important parameter to affect the formation of a solid core and surface chemistry of the compact.

Słowa kluczowe

EN

sintering; mechanical alloying; powder consolidation; intermetallic compounds; titanium aluminides

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2017
• Tom: Vol. 62, iss. 2B
• Strony: 1293--1297
• Opis fizyczny: Bibliogr. 24 poz., rys.

Twórcy

autor

Chang S. Y.

• Korea Aerospace University, Department of Materials Engineering, Goyang-Si 10510, Korea

autor

Jang H. S.

• Faculty of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul 05000, Korea

autor

Yoon Y. H.

• Faculty of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul 05000, Korea

autor

Kim Y. H.

• Wonkwang Health Science University, Department of Dental Laboratory, Iksan 54538, Korea

autor

Kim J. Y.

• Uiduk University, Division of Green Energy Engineering, Kyeongju 38004, Korea

autor

Lee Y. K.

• Uiduk University, Division of Green Energy Engineering, Kyeongju 38004, Korea

autor

Lee W. H.

• Faculty of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul 05000, Korea

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)