FIELD: machine building.
SUBSTANCE: invention relates to the engine building. Internal combustion engine includes anode-oxide coating (10). Anode-oxide coating is formed on part of wall surface from material based on aluminum facing combustion chamber (NS). Anode oxide coating comprises a plurality of nanopores lying in the thickness direction of the anode oxide coating, first micropore extending from the surface to the inner part of the anode-oxide coating, and second micropore located inside the anode-oxide coating. Nanopores have no holes on surface of anode-oxide coating or diameter of holes of nanopores on surface of anode-oxide coating is less than 30 nm. Inner diameter of nanopores inside anode-oxide coating exceeds diameter of holes on surface. Thickness of film of anode-oxide coating ranges from 15 mcm or more to 130 mcm. Porosity of anode-oxide coating makes 23 % or more.
EFFECT: technical result consists in improvement of fuel efficiency.
14 cl, 2 tbl, 4 ex, 18 dwg
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