Lubricant composite and process for the preparation thereof

Details Lubricant composite and process for the preparation thereof Lubricant composite and process for the preparation thereof

B - Operations, Transporting

22

F

B22F 1/00 (2006.01) B01J 2/00 (2006.01) C10M 105/68 (2006.01) C11B 15/00 (2006.01)

Patent

CA 2382717

The invention concerns a process for the preparation of a lubricant composite for powder metallurgy including the steps of selecting a first lubricant having a melting point above 120 °C and a second lubricant having a melting point below 110 °C; mixing the lubricants at an elevated temperature in order to melt the lubricants and subjecting the mixture to rapid for providing a lubricant composite including a metastable phase. The invention also concerns the obtained lubricant composite.

L'invention se rapporte à un procédé de préparation d'un composite lubrifiant destiné à la métallurgie des poudres. Ce procédé consiste à sélectionner un premier lubrifiant possédant un point de fusion supérieur à 120 DEG C et un second lubrifiant possédant un point de fusion inférieur à 110 DEG C, à mélanger ces lubrifiants à une température élevée de manière à les fondre et à soumettre le mélange à un refroidissement rapide de manière à produire un composite lubrifiant comportant une phase métastable. Cette invention se rapporte également au composite lubrifiant ainsi obtenu.

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