Piston for internal combustion engines and method for producing piston for internal combustion engines
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United States of America Patent
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May 18, 2021
Grant Date -
Jan 24, 2019
app pub date -
Jan 5, 2017
filing date -
Jan 12, 2016
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Abstract
This piston for internal combustion engines, which is capable of achieving high heat shielding properties and high durability, comprises: a base that is formed from aluminum or an aluminum alloy; a composite material part which is formed in a first region of the surface of the base, and which is formed from a composite material that is reinforced with inorganic fibers or whiskers; and an alumite coating film that is formed on the composite material part and a second region of the surface of the base, said second region being different from the first region.
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