Surface modification of titanium alloy via atmospheric pressure nitrogen plasma assisted femtosecond laser irradiation

Kazutoshi Katahira; Atsushi Ezura; Shogo Takesue; Jun Komotori

doi:10.1016/j.cirp.2022.04.035

Surface modification of titanium alloy via atmospheric pressure nitrogen plasma assisted femtosecond laser irradiation

Kazutoshi Katahira, Atsushi Ezura, Shogo Takesue, Jun Komotori

機械工学科

研究成果: Article › 査読

1 被引用数 (Scopus)

抄録

The effect of atmospheric pressure nitrogen plasma in conjunction with femtosecond laser surface modification of Ti–6Al–4V samples was investigated. It was suggested that the superior friction and wear characteristics of the LP series (the sample subjected to both laser and plasma irradiation) were induced by the synergistic combination of the following three factors: the increased smoothness induced by homogenizing the laser-induced periodic surface groove shape structure, the high hardness caused by grain refinement and the high toughness and low friction properties conferred to the sample by the formation of oxynitride.

本文言語	English
ページ（範囲）	469-472
ページ数	4
ジャーナル	CIRP Annals
巻	71
号	1
DOI	https://doi.org/10.1016/j.cirp.2022.04.035
出版ステータス	Published - 2022 1月

ASJC Scopus subject areas

機械工学
産業および生産工学

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10.1016/j.cirp.2022.04.035

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title = "Surface modification of titanium alloy via atmospheric pressure nitrogen plasma assisted femtosecond laser irradiation",

abstract = "The effect of atmospheric pressure nitrogen plasma in conjunction with femtosecond laser surface modification of Ti–6Al–4V samples was investigated. It was suggested that the superior friction and wear characteristics of the LP series (the sample subjected to both laser and plasma irradiation) were induced by the synergistic combination of the following three factors: the increased smoothness induced by homogenizing the laser-induced periodic surface groove shape structure, the high hardness caused by grain refinement and the high toughness and low friction properties conferred to the sample by the formation of oxynitride.",

keywords = "Atmospheric pressure nitrogen plasma, Laser, Surface modification, Titanium",

author = "Kazutoshi Katahira and Atsushi Ezura and Shogo Takesue and Jun Komotori",

note = "Funding Information: The authors wish to thank Minami Takashima and IMRA America Inc. for supporting the experiments, and the financial support of JSPS KAKENHI Grant Number JP21H01231 . Publisher Copyright: {\textcopyright} 2022 CIRP",

year = "2022",

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doi = "10.1016/j.cirp.2022.04.035",

language = "English",

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T1 - Surface modification of titanium alloy via atmospheric pressure nitrogen plasma assisted femtosecond laser irradiation

AU - Katahira, Kazutoshi

AU - Ezura, Atsushi

AU - Takesue, Shogo

AU - Komotori, Jun

N1 - Funding Information: The authors wish to thank Minami Takashima and IMRA America Inc. for supporting the experiments, and the financial support of JSPS KAKENHI Grant Number JP21H01231 . Publisher Copyright: © 2022 CIRP

PY - 2022/1

Y1 - 2022/1

N2 - The effect of atmospheric pressure nitrogen plasma in conjunction with femtosecond laser surface modification of Ti–6Al–4V samples was investigated. It was suggested that the superior friction and wear characteristics of the LP series (the sample subjected to both laser and plasma irradiation) were induced by the synergistic combination of the following three factors: the increased smoothness induced by homogenizing the laser-induced periodic surface groove shape structure, the high hardness caused by grain refinement and the high toughness and low friction properties conferred to the sample by the formation of oxynitride.

AB - The effect of atmospheric pressure nitrogen plasma in conjunction with femtosecond laser surface modification of Ti–6Al–4V samples was investigated. It was suggested that the superior friction and wear characteristics of the LP series (the sample subjected to both laser and plasma irradiation) were induced by the synergistic combination of the following three factors: the increased smoothness induced by homogenizing the laser-induced periodic surface groove shape structure, the high hardness caused by grain refinement and the high toughness and low friction properties conferred to the sample by the formation of oxynitride.

KW - Atmospheric pressure nitrogen plasma

KW - Laser

KW - Surface modification

KW - Titanium

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DO - 10.1016/j.cirp.2022.04.035

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VL - 71

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JF - CIRP Annals

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Surface modification of titanium alloy via atmospheric pressure nitrogen plasma assisted femtosecond laser irradiation

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