Engine block for diesel applications such as in highly stressed motors, comprises a crankcase, a cylinder block and/or a cylinder crankcase, and a cast iron material having structural matrix

The engine block comprises a crankcase, a cylinder block and/or a cylinder crankcase, and a cast iron material having 99-100 vol.% of structural matrix, which contains needled, carbide-free ferrite and carbon-enriched isothermally stabilized residual austenite without carbide. The cast iron material...

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Bibliographische Detailangaben
1. Verfasser:	FRITSCHE, ERIC
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ALLOYS ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES BLASTING CHEMISTRY COMBUSTION ENGINES CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS 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 MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	The engine block comprises a crankcase, a cylinder block and/or a cylinder crankcase, and a cast iron material having 99-100 vol.% of structural matrix, which contains needled, carbide-free ferrite and carbon-enriched isothermally stabilized residual austenite without carbide. The cast iron material comprises ausferritic cast iron. An independent claim is included for a method for austempering an engine block. Es wird ein Motorblock umfassend zumindest ein Kurbelgehäuse, einen Zylinderblock und/oder ein Zylinderkurbelgehäuse vorgeschlagen, wobei der Motorblock ein Gusseinsenwerkstoff umfasst. Der Gusseisenwerkstoff weist eine Gefügematrix auf, die nadeliges, karbidfreies Ferrit und kohlenstoffangereichertes isothermisch stabilisiertes Restaustenit ohne Carbide umfasst. Insbesondere umfasst der Gusseisenwerkstoff ausferritisches Gusseisen.