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Piston for internal combustion engine and method for manufacturing piston
An internal combustion engine piston includes a crown surface including a low thermal conductivity part lower in thermal conductivity than a base material. The low thermal conductivity part includes a porous member made of a glass material lower in thermal conductivity than the base material, and impregnated with the base material. A first material is interposed at least partly between the porous member and the base material in the low thermal conductivity part, wherein the first material is water-soluble, and has a higher melting point than the porous member.
Piston for internal combustion engine and method for manufacturing piston
An internal combustion engine piston includes a crown surface including a low thermal conductivity part lower in thermal conductivity than a base material. The low thermal conductivity part includes a porous member made of a glass material lower in thermal conductivity than the base material, and impregnated with the base material. A first material is interposed at least partly between the porous member and the base material in the low thermal conductivity part, wherein the first material is water-soluble, and has a higher melting point than the porous member.
Piston for internal combustion engine and method for manufacturing piston
SASAKI MASATO (author)
2018-06-26
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
/
B22C
FOUNDRY MOULDING
,
Gießformen
/
B22D
CASTING OF METALS
,
Gießen von Metallen
/
F02B
INTERNAL-COMBUSTION PISTON ENGINES
,
Brennkraftmaschinen mit innerer Verbrennung mit Verdrängerwirkung
/
F02F
CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES
,
Zylinder, Kolben oder Gehäuse für Brennkraftmaschinen
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