CERAMICS-INSERTED PISTON

PURPOSE:To prevent the invasion of combustion gas and obtain high tensile strength by friction welding a ring member made of aluminum and a different kind of metal material at the peripheral part of a face being in contact with the piston main body of a ceramics-made apical plate. CONSTITUTION:A rin...

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Bibliographische Detailangaben
Hauptverfasser:	SUZUKI TOMIO, OOI HIROYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES ARTIFICIAL STONE BLASTING CEMENTS CERAMICS CHEMISTRY COMBUSTION ENGINES COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES ORMATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHERTHAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUSSUBCLASSES OF CLASSES F01-F04 LIGHTING LIME, MAGNESIA MECHANICAL ENGINEERING METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To prevent the invasion of combustion gas and obtain high tensile strength by friction welding a ring member made of aluminum and a different kind of metal material at the peripheral part of a face being in contact with the piston main body of a ceramics-made apical plate. CONSTITUTION:A ring member 3 is interposed at the boundary peripheral part between a ceramics-made crown 1 and a piston main body 2 as well as in the vicinity of a top land 5. The ring member 3 made of aluminum and titanium metal is fitted by friction welding at the peripheral part of the surface facing the piston main body of the crown 1, and further bonded to the aluminum alloy at the time of insertion. Combustion gas can be thus prevented from entering into the boundary part between the piston main body and an apical plate as well as higher tensile strength of the bonded faces can be guaranteed.