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This study compares two methods for model scale testing of ferrous/non‐ferrous tribocouples under large area conformal contact condition, the kind existing in engine components such as journal bearings. Results show that the ring‐on‐disc method is better suited to visualise the performance of such tribosystems compared with the pin‐on‐plate method. The former offers greater sensitivity to minor changes...
This paper describes the tribological functionality of hypereutectic AlSi under conformal contact conditions. Temperature and load bearing tests were performed with a ring-on-disc configuration with steel counterparts under fully formulated engine oil. Tribometric tests show significantly higher wear resistance and loadability of AlSi compared to pure Al. Post test surface characterization by light...
The hydrogenation of acetoacetanilide in the presence of optically active ruthenium catalysts leads to 3-hydroxy-N-phenylbutanamide in good yield and high enantioselectivity (ee>95%). Its direct phosphinylation with chlorodiphenylphosphine affords a new bifunctional amido-phosphinite ligand that can easily be coordinated to [(arene)RuCl 2 ] and to the CpRuCl(PPh 3 ) moiety with...
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