Fabricating vanadium sheet to improve symmetry of drawn parts
The degree of anisotropy in vanadium sheet determines the amount of earing in formed parts and relates to the roundness of the formed part. Experiments with annealing and rolling practices to produce vanadium sheet were undertaken to reduce the earing tendencies of the metal. Earing in formed vanadium hemishells was reduced by cross rolling; and for unidirectionally rolled sheet, increased reduction per rolling pass and proper selection of intermediate annealing temperature reduced the earing. These modifications in the production steps did not adversely affect the grain size or formability of the vanadium, since these characteristics are mostly influenced by the final anneal. 4 refs., 10 figs., 5 tabs.
- Research Organization:
- Rockwell International Corp., Golden, CO (United States). Rocky Flats Plant
- Sponsoring Organization:
- DOE/DP
- DOE Contract Number:
- AC34-90DP62349
- OSTI ID:
- 6986635
- Report Number(s):
- RFP-4072; ON: DE90011253
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
VANADIUM
FABRICATION
ANNEALING
DRAWING
GRAIN SIZE
ROLLING
SHEETS
CRYSTAL STRUCTURE
ELEMENTS
HEAT TREATMENTS
MATERIALS WORKING
METALS
MICROSTRUCTURE
SIZE
TRANSITION ELEMENTS
360101* - Metals & Alloys- Preparation & Fabrication
360102 - Metals & Alloys- Structure & Phase Studies