Surface patterning of CRFP composites using femtosecond laser interferometry

• Type: Article in International Scientific Journal
• Date: 2018

Authors

Marcelo F. S. F. de Moura (Author) FEUP; Raul D. F. Moreira (Author) Other; R. Vilar (Author) Other; V. Oliveira (Author) Other

Journal

Title: Applied Physics A: Materials Science and Processing

Vol. 124 No. 231

Pages: 1-7

ISSN: 0947-8396

Publisher: Springer Nature

Indexing

ISI Web of Knowledge - 0 Citations

ISI Web of Science

Scopus - 5 Citations

INSPEC

Scientific classification

CORDIS: Technological sciences > Engineering > Mechanical engineering

FOS: Engineering and technology > Mechanical engineering

Other information

Authenticus ID: P-00N-RBX

DOI: 10.1007/s00339-018-1662-x

Abstract (EN): We report on the surface patterning of carbon fiber-reinforced polymer (CFRP) composites using femtosecond laser interferometry. The effect of experimental processing parameters, such as the pulse energy and scanning speed, on the quality of the patterns is studied. Using the appropriate processing parameters, a selective removal of the epoxy resin can be achieved, leaving the carbon fibers exposed and textured with the desired pattern. The period of the patterns can be controlled by changing the distance between the two interfering beams. On the other hand, the amplitude of the patterns can be controlled by changing the pulse energy or the number of laser pulses applied. In addition, sub-micron ripples are created on the carbon fibers surface allowing multiscale surface modification which may contribute to improve bonding between CFRP parts.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 7