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The optimization of lubricated sealing systems with respect to the stick‐slip effect requires a friction model that describes the complex friction behavior in the lubricated contact area. This paper presents an efficient dynamic friction model based on the Stribeck curve, which allows to investigate the influencing parameters through finite element (FE) simulations. The simulation of a tribometer...
Friction and wear of dynamic seals in hydraulic systems are strongly influenced by the lubrication state between the surfaces of the sealing structure and the moving piston. The contact and lubrication state is a result of the coupling between the deformable seal structure and hydrodynamic effects in the lubricating fluid film. This paper presents an efficient computational method for the determination...
Oligopeptides are of high importance for various industrial applications, e.g. cosmetical or medical. Homooligomerizations and co‐oligomerizations with anionic amino acid esters are well described but a successful synthesis of cationic heterooligopeptides has been missing so far. The present study reports the ficain‐catalyzed heterooligomerizations of LysOEt with MetOEt, leading to cationic heterooligopeptides...
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