| 摘要 |
<p>A prestressed composite piston (34) for an internal combustion engine including a generally cylindrical piston body (70) formed from an aluminum alloy and a piston crown (50) formed from a cast metallic material. The crown (50) is mated to the piston body (70) by a single machine bolt (90) which prestresses the crown in a generally uniform concentric pattern.</p> |
