Effect of the strain-rate sensitivity of the flow stress on the stretch formability of sheet metals
โ Scribed by Hans Conrad
- Publisher
- Elsevier Science
- Year
- 1978
- Weight
- 319 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0378-3804
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๐ SIMILAR VOLUMES
## Abstract Tensile mechanical properties of DIN EN 10268โ1999 cold forming sheet metals were investigated within a strain rate range from 1.10^โ4^ to 1.10^โ1^ s^โ1^ using conventional tensile testing machine. This investigation also examined the influence of heat treatment on the mechanical proper
Still unresolved is the question regarding the mechanism which controls the velocity of free dislocations in b.c.c. metals and is thus responsible for the strong temperature dependence of the yield and flow stress. Three mechanisms have been proposed : 1. Overcoming the Peierls-Nabarro force.(31435)