Alexander Wärnheim
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View article: Studies of Initial Atmospheric Corrosion of Magnesium Alloys AZ91 and AZ31 with Infrared Spectroscopy Techniques
Studies of Initial Atmospheric Corrosion of Magnesium Alloys AZ91 and AZ31 with Infrared Spectroscopy Techniques Open
The initial formation of corrosion products in pure humid air on magnesium alloys AZ91 and AZ31 was studied using infrared reflection absorption spectroscopy (IRRAS), infrared spectroscopic imaging, and SEM-EDS. The kinetics of corrosion p…
View article: Multiscale analysis of pigment effects on weathering of polyester coatings: from nanoscale chemistry to macroscale performance
Multiscale analysis of pigment effects on weathering of polyester coatings: from nanoscale chemistry to macroscale performance Open
Almost all organic coatings used for corrosion protection contain various types of pigmentation, both for the sake of aesthetics and performance. By focusing on spatially resolved vibrational spectroscopy and electron microscopy, we demons…
View article: Nanomechanical and nano-FTIR analysis of polyester coil coatings before and after artificial weathering experiments
Nanomechanical and nano-FTIR analysis of polyester coil coatings before and after artificial weathering experiments Open
Local heterogeneities can have significant effects on the performance of anti-corrosion coatings. Even small features can act as initiation points for damage and result in corrosion of the substrate material. Analysis methods with high spa…
View article: Polyester–melamine coil coating formulation reinforced with surface-modified cellulose nanofibrils
Polyester–melamine coil coating formulation reinforced with surface-modified cellulose nanofibrils Open
In light of the need to redesign industrially produced materials by utilizing renewable resources, nanoscopic forms of cellulose are regarded as a valuable asset. In this work, the potential of cellulose nanofibrils (CNFs) as an unconventi…
View article: Depth-Resolved FTIR-ATR Imaging Studies of Coating Degradation during Accelerated and Natural Weathering─Influence of Biobased Reactive Diluents in Polyester Melamine Coil Coating
Depth-Resolved FTIR-ATR Imaging Studies of Coating Degradation during Accelerated and Natural Weathering─Influence of Biobased Reactive Diluents in Polyester Melamine Coil Coating Open
Improved methods to assess the degradation of coil coatings to approximate lifetime have been an area of academic and industrial interest for decades. This work aims to elucidate the differences in the degradation behavior of two coil coat…