Laserpolishing of hard materials

J.E. Bullema, H. Haitjema, J.P. Krugers, M. Hurk, van den

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

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Abstract

Laser polishing of hard materials creates the possibility to obtain smooth hard surfaces. An important application of polished hard surfaces is to be found in friction reduction. Experiments were performed to polish hard surfaces with a copper vapour laser (Oxford Laser LM100). Sample materials have been used that have been polished before deposition of a surface layer: metal with Ni(P) surface, TiN and Diamond-like Carbon. Ra values were measured of 2.7 nm, 2.7 nm and 2.4 nm respectively with a spread of 1.5 nm. The laser polishing experiments were set up using Design of Experiments with the aim to remove peaks from the surface. Laser polished samples were measured using a Mitutoyo type SVC-624-3D surface measuring instrument and a Nomarski interference-microscope. The laser polished samples did not show the removal of peaks.
Original languageEnglish
Title of host publicationProceedings of the 4th EUSPEN international conference : May 31 - June 2, 2004, Glasgow, UK
EditorsD. Chetwynd
Pages17-18
Publication statusPublished - 2004

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