Ultrashort pulsed laser ablation of zirconia toughened alumina: Material removal mechanism and surface characteristics

Jide Han,Berfu Göksel,Shiva Mohajernia,Manuela Sonja Killian,Jozef Vleugels,Annabel Braem,Sylvie Castagne

Applied Surface Science（2023）

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摘要

•Ultrashort pulsed laser processing of zirconia toughened alumina was investigated.•Strong nonuniform laser absorption leads to selective melting of zirconia phase.•Alumina phase remains in its solid form and disintegrates due to melting of zirconia.•Thin layer of zirconia coating on alumina grains increased the surface Zr content.

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关键词

Laser micromachining, Ultrashort pulsed laser, Zirconia toughened alumina, Ceramic nanocomposite

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