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Due to the operation in mixed and boundary friction, minimization of friction losses in automobile powertrains offers high potential for lowering of greenhouse gas emissions and saving fossil fuels. In cooperation between Surface Engineering Institute (IOT) and Gear Research Center (FZG), surface modifications in terms of stochastic and deterministic structures, diamond-like carbon (DLC) and nitride...
In the presented investigation magnetron sputtered chromium aluminum nitride (Cr 1−x Al x )N coatings are examined on their tribological characteristics with regard to the aluminum content. Three (Cr 1−x Al x )N coatings with different aluminum contents (x=0; 0.23; 1) are compared in dry running conditions. The tests were performed in a ball-on-disc (BoD) tribometer...
The deep-drawing of austenitic stainless steel AISI 304 provides a considerable challenge for production engineers. A major problem in such processes is adhesive tool wear which is often prevented using chlorous mineral oils. The aim of this work was to replace these hazardous lubricants with biodegradable, rape oil based fluids. For that purpose a modified triglyceride named HIGTO(I) is used in combination...
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