Thermally applied coating of mechanically alloyed powders...

Details Thermally applied coating of mechanically alloyed powders... Thermally applied coating of mechanically alloyed powders...

2005-05-03

2005-05-03

Jones, Deborah (Department: 1775)

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

C428S569000, C428S660000, C428S663000, C428S666000, C428S937000, C029S888074

Reexamination Certificate

active

06887585

ABSTRACT:
The invention relates to a wear-resistant coating used for bearing surfaces and flanks of piston rings in internal combustion engines. The wear-resistant inventive coating is obtained by mechanically alloying powders which form a metallic matrix with hard material dispersoids and lubricant material dispersoids. The coating is then thermally applied to the workpieces, especially by means of high velocity oxygen fuel spraying (HVOF). The workpieces coated are bearing surfaces and parts of flanks pertaining to piston rings in internal combustion engines.

REFERENCES:
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patent: 4681817 (1987-07-01), Shinada
patent: 5713129 (1998-02-01), Rastegar et al.
patent: 6562480 (2003-05-01), Stong et al.
patent: 19700835 (1997-07-01), None
patent: 0 440 437 (1991-08-01), None
patent: 0 559 229 (1993-09-01), None
patent: 62099449 (1987-05-01), None

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