MANUFACTURE OF STEEL SHEET HAVING TEXTURE WITH (110)(001) AS PRINCIPAL ORIENTATION COMPONENT

PURPOSE:To manufacture the titled steel sheet by rolling a steel contg. a sufficient amount of soluble (C+N) to cause violent dynamic strain aging and carrying out recrystallization annealing. CONSTITUTION:A steel contg.>=10ppm soluble (C+N) is rolled at 200-500 deg.C and >=20% draft to cause...

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Hauptverfasser:	ABE MITSUNOBU, SHIODA KOUSAKU, OOSONE HIDEO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
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Beschreibung
Zusammenfassung:	PURPOSE:To manufacture the titled steel sheet by rolling a steel contg. a sufficient amount of soluble (C+N) to cause violent dynamic strain aging and carrying out recrystallization annealing. CONSTITUTION:A steel contg.>=10ppm soluble (C+N) is rolled at 200-500 deg.C and >=20% draft to cause violent dynamic strain aging by dislocation moved during working and the interaction between C and N in the steel. Recrystallization annealing is then carried out to manufacture a steel sheet having a texture with developed (110)(001) orientation component. When the steel sheet is press-formed, the resulting parts have remarkably enhanced tensile rigidity.