CPC F02F 3/14 (2013.01) [F02F 3/22 (2013.01); F02F 3/26 (2013.01); F02F 2003/0061 (2013.01)] | 23 Claims |
1. A piston, comprising:
a body formed of an iron-based material,
a superalloy disposed on said body, and
manganese phosphate disposed on at least one of said body and said superalloy.
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