Multiscale Surface Patterning of Zirconia by Picosecond Pulsed Laser Irradiation

Author:

Yamamuro Yuka1,Shimoyama Tomotaka2,Yamashita Isao2,Yan Jiwang1

Affiliation:

1. Department of Mechanical Engineering, Faculty of Science and Technology, Keio University, Hiyoshi 3-14-1, Kohoku-ku, Yokohama 223-8522, Japan

2. Advanced Materials Research Laboratory, TOSOH Corporation, Hayakawa 2743-1, Ayase 252-1123, Japan

Abstract

Abstract Irradiation of yttria-stabilized zirconia (YSZ) was performed by a picosecond pulsed laser to investigate the possibility for multiscale surface patterning. Nanoscale laser-induced periodic surface structures (LIPSS) were successfully generated inside microscale grooves over a large surface area under specific conditions. A thermally induced phase transformation of YSZ was identified after laser irradiation, and this phase transformation was restrained by reducing the laser power or the number of irradiations. Moreover, it was found that the generation of LIPSS greatly changed the surface wettability of YSZ. These results demonstrated the possibility of creating zirconia hybrid patterns with high functionality, which may expand the applications of YSZ in industry.

Publisher

ASME International

Subject

Industrial and Manufacturing Engineering,Process Chemistry and Technology,Mechanics of Materials

Reference23 articles.

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4. Precise Micromachining of Yttria-Tetragonal Zirconia Polycrystal Ceramic Using 532 nm Nanosecond Laser;Ceram. Int.,2016

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