Pulsed plasma treatment of Ti-Al coatings produced by mechanical alloying method

S. Romankov; A. Mamaeva; S. D. Kaloshkin; S. V. Komarov

doi:10.1016/j.matlet.2007.04.055

Pulsed plasma treatment of Ti-Al coatings produced by mechanical alloying method

S. Romankov, A. Mamaeva, S. D. Kaloshkin, S. V. Komarov

研究成果: Article › 査読

21 被引用数 (Scopus)

抄録

By means of the mechanical alloying method (MA), Ti-Al coatings were deposited on Ti substrates. Then, as-synthesized coatings were treated by pulsed argon plasma with energy up to 185 J/cm². Irradiation of the Ti-Al MA-coating with pulsed argon plasma beams with energy density higher than 135 J/cm² resulted in melting of the near-surface layer that in turn initiated the liquid-phase reaction between Ti and Al to form the Al₃Ti compound. Melting led to smoothing of the coating structure. The coating microstructure and volume fraction of Al₃Ti phase was conditioned by plasma energy. The thickness of the modified layer was several microns. Phase composition of plasma-treated coatings depended on its element composition. The plasma treatment of the Ti-Al-Si-C and Ti-Al-W-C coatings with energy of 150 J/cm² led to formation of Ti₅Si₃ and TiC along with Al₃Ti compound.

本文言語	English
ページ（範囲）	5288-5291
ページ数	4
ジャーナル	Materials Letters
巻	61
号	30
DOI	https://doi.org/10.1016/j.matlet.2007.04.055
出版ステータス	Published - 2007 12月
外部発表	はい

ASJC Scopus subject areas

材料科学（全般）
凝縮系物理学
材料力学
機械工学

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10.1016/j.matlet.2007.04.055

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title = "Pulsed plasma treatment of Ti-Al coatings produced by mechanical alloying method",

abstract = "By means of the mechanical alloying method (MA), Ti-Al coatings were deposited on Ti substrates. Then, as-synthesized coatings were treated by pulsed argon plasma with energy up to 185 J/cm2. Irradiation of the Ti-Al MA-coating with pulsed argon plasma beams with energy density higher than 135 J/cm2 resulted in melting of the near-surface layer that in turn initiated the liquid-phase reaction between Ti and Al to form the Al3Ti compound. Melting led to smoothing of the coating structure. The coating microstructure and volume fraction of Al3Ti phase was conditioned by plasma energy. The thickness of the modified layer was several microns. Phase composition of plasma-treated coatings depended on its element composition. The plasma treatment of the Ti-Al-Si-C and Ti-Al-W-C coatings with energy of 150 J/cm2 led to formation of Ti5Si3 and TiC along with Al3Ti compound.",

keywords = "Coating, Ion beam technology, Metals and alloys",

author = "S. Romankov and A. Mamaeva and Kaloshkin, {S. D.} and Komarov, {S. V.}",

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T1 - Pulsed plasma treatment of Ti-Al coatings produced by mechanical alloying method

AU - Romankov, S.

AU - Mamaeva, A.

AU - Kaloshkin, S. D.

AU - Komarov, S. V.

PY - 2007/12

Y1 - 2007/12

N2 - By means of the mechanical alloying method (MA), Ti-Al coatings were deposited on Ti substrates. Then, as-synthesized coatings were treated by pulsed argon plasma with energy up to 185 J/cm2. Irradiation of the Ti-Al MA-coating with pulsed argon plasma beams with energy density higher than 135 J/cm2 resulted in melting of the near-surface layer that in turn initiated the liquid-phase reaction between Ti and Al to form the Al3Ti compound. Melting led to smoothing of the coating structure. The coating microstructure and volume fraction of Al3Ti phase was conditioned by plasma energy. The thickness of the modified layer was several microns. Phase composition of plasma-treated coatings depended on its element composition. The plasma treatment of the Ti-Al-Si-C and Ti-Al-W-C coatings with energy of 150 J/cm2 led to formation of Ti5Si3 and TiC along with Al3Ti compound.

AB - By means of the mechanical alloying method (MA), Ti-Al coatings were deposited on Ti substrates. Then, as-synthesized coatings were treated by pulsed argon plasma with energy up to 185 J/cm2. Irradiation of the Ti-Al MA-coating with pulsed argon plasma beams with energy density higher than 135 J/cm2 resulted in melting of the near-surface layer that in turn initiated the liquid-phase reaction between Ti and Al to form the Al3Ti compound. Melting led to smoothing of the coating structure. The coating microstructure and volume fraction of Al3Ti phase was conditioned by plasma energy. The thickness of the modified layer was several microns. Phase composition of plasma-treated coatings depended on its element composition. The plasma treatment of the Ti-Al-Si-C and Ti-Al-W-C coatings with energy of 150 J/cm2 led to formation of Ti5Si3 and TiC along with Al3Ti compound.

KW - Coating

KW - Ion beam technology

KW - Metals and alloys

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JO - Materials Letters

JF - Materials Letters

IS - 30

ER -

Pulsed plasma treatment of Ti-Al coatings produced by mechanical alloying method

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