Microstructural effects on formability of type 304 stainless steel sheet in cylindrical deep drawing

Type 304 stainless steel 0.8-mm-thick sheets were deep drawn by a complex working process using a hot die and a cold punch. The working temperature ranged from 25-150 C. In room-temperature performance, the sheet metal failed because of severe work hardening. As the temperature was raised, it also f...

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Veröffentlicht in:	Journal of materials engineering and performance 1994-08, Vol.3 (4), p.551-559
Hauptverfasser:	CHANG, J.-S, CHOU, S.-S
Format:	Artikel
Sprache:	eng
Schlagworte:	360102 > Metals & Alloys-- Structure & Phase Studies ALLOYS Applied sciences AUSTENITIC STEELS CHROMIUM ALLOYS CHROMIUM-NICKEL STEELS CORROSION RESISTANT ALLOYS DATA Deep drawing DEFORMATION Exact sciences and technology EXPERIMENTAL DATA FABRICATION Forming HEAT RESISTANT MATERIALS HEAT RESISTING ALLOYS HIGH ALLOY STEELS INFORMATION IRON ALLOYS IRON BASE ALLOYS MATERIALS MATERIALS SCIENCE MATERIALS WORKING Metals. Metallurgy MICROSTRUCTURE NICKEL ALLOYS NUMERICAL DATA Production techniques STAINLESS STEEL-304 STAINLESS STEELS STEEL-CR19NI10 STEELS TEMPERATURE DEPENDENCE TEMPERATURE RANGE 0273-0400 K TEMPERATURE RANGE 0400-1000 K TEMPERATURE RANGE 360101 > Metals & Alloys-- Preparation & Fabrication
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Beschreibung
Zusammenfassung:	Type 304 stainless steel 0.8-mm-thick sheets were deep drawn by a complex working process using a hot die and a cold punch. The working temperature ranged from 25-150 C. In room-temperature performance, the sheet metal failed because of severe work hardening. As the temperature was raised, it also failed in shear instability due to its poor ductility and small rate of work hardening. The drawability was improved by nonhomogeneous deformation with a heated die and a cooled punch. This effect disappeared as the temperature was increased to 150 C. The microstructures appearing under various working conditions were investigated, and effects on drawability of steel sheets are discussed.
ISSN:	1059-9495 1544-1024
DOI:	10.1007/BF02645321