The following issues are addressed in the SKAla project: 

–  Development of the application of the emission-free treatment of weld seams with lasers on marine structures.

–  Introduction of a procedure for the application of a weld seam-tolerant coating system under production conditions. 

–  Investigations of the interactions between laser-treated weld seams & protection performance of the developed coating.


Fundings: Federal Ministry of Economic Affairs and Climate Action (BMWK)

Main partners: Fraunhofer IFAM, cleanLaser, Sherwin Williams, TU Hamburg, Hermann Maschinenbautechnologie

Contact: Dipl.-Ing. Tom Marquardt

Figure 1

An example of a crack in a weld seam in a tank.

Figure 2

Prepared steel samples with weld seams in Muehlhan’s laboratory.


Figure 3

Samples with stripe coated weld seams for accelerated ageing testing and for offshore site testing, coated in Muehlhan’s laboratory.


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At Muehlhan, we provide industrial services in more than 30 countries worldwide – we have a global presence but local roots.