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Advantages and disadvantages of composite pistons for small power combustion engines

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Author(s): Andrzej POSMYK | Jakub WIECZOREK

Journal: Transport Problems : an International Scientific Journal
ISSN 1896-0596

Volume: 2;
Issue: 4;
Start page: 93;
Date: 2007;
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Keywords: technological and metallographic investigations | composite material | piston

ABSTRACT
The results of technological and metallographic investigations of small dimensions, low power combustion engines piston has been presented. Semi-finished pistons has been produced by gravitations casting of composite material with EN-AC-47000 alloy matrix +15% Al2O3P and EN-AW-6061 alloy matrix +22% Al2O3P. Some small casting defects have been detected during the cutting process of piston made of composite material with EN-AC-47000 alloy matrix +15% Al2O3P. These defects were sources of micro perforations. In the piston made of EN-AW-6061 alloy matrix has been any defects detected.
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