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CFRP Cutting
Damaging minimised laser beam cutting of CFRP laminates (Vo 530/ 7-1j)
The use of fiber composite materials found in the aerospace and
automotive industry is becoming increasingly important. For a general
introduction of this lightweight material is, however, a number of
challenges to solve. One such challenge is the cutting of fiber
composites. The high hardness of the fibers leads using conventional
cutting methods to a large wear of the tool. Currently established is
the waterjet cutting to separate CFRP. But thereby also large wear
occurs due to the added abrasive substances. When applying laser beam
cutting, as both the thermal conductivity as well as the melting
temperature of the fibers are significantly higher than that of the
surrounding matrix, a large heat-affected zone with damaging of the
matrix occurs. The project "CFRP cutting" is a pre-development project,
in which approaches to minimize the heat affected zone and the
realization of a sealed cut surface by optimizing the cutting strategy
and the combination of the laser beam with a water-jet were
investigated.
Funded by
DFG
Timeframe
2008/01/01 - 2008/12/31
Department Manager
Dipl.-Phys. Haiko von Rebenstock
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