Aluminum alloy for surfaces which are subjected to extreme...

Details Aluminum alloy for surfaces which are subjected to extreme... Aluminum alloy for surfaces which are subjected to extreme...

2005-08-03

2009-08-11

Zimmerman, John J. (Department: 1794)

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

C420S530000, C420S531000, C420S533000, C420S537000, C420S538000, C420S539000, C420S540000, C420S542000, C420S548000, C420S550000, C420S552000, C420S554000, C148S437000, C148S438000, C148S439000, C148S440000

Reexamination Certificate

active

07572521

ABSTRACT:
The invention relates to an aluminium alloy used as a coating for surfaces subjected to extreme friction stress, with an aluminium matrix incorporating at least a soft phase and a hard phase, as well as a process for producing the coating. The soft phase and/or the hard phase is essentially finely distributed in the aluminium matrix (20) and at least 80%, preferably at least 90%, of the soft phase or soft phase particles (18) have a mean diameter of a maximum of 3 μm. The aluminium alloy is produced by depositing it on the base (11) by a process of deposition from a gas phase.

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