The cut-groove technique to infer interfacial effects during hot rolling
| Autor: | Sourav Das, Eric J. Palmiere, Immpetus I. C. Howard |
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| Rok vydání: | 2004 |
| Předmět: |
Materials science
Structural material Scale (ratio) Physics::Instrumentation and Detectors Diagram Metallurgy Oxide Metals and Alloys Mechanics Condensed Matter Physics Finite element method chemistry.chemical_compound chemistry Mechanics of Materials Heat transfer Slab Forensic engineering Groove (engineering) |
| Zdroj: | Metallurgical and Materials Transactions A. 35:1087-1095 |
| ISSN: | 1543-1940 1073-5623 |
| DOI: | 10.1007/s11661-004-0034-7 |
| Popis: | This article presents a novel experimental technique to infer the coupled effects of friction and heat transfer during the hot rolling of steels. The technique, termed the “cut-groove” method, relates the behavior of the deforming grooves cut on the strip surface to the local effects of friction and heat transfer. Validation of the experimentally observed groove shapes involved developing two-dimensional (2-D) and three-dimensional (3-D) finite-element (FE) models that employed a probabilistic distribution diagram (PDD). The PDD framework modeled the roll-strip interface and accounted for the variations in the oxide scale as distinct states that affect both friction and heat transfer. The numerically predicted groove openings are in good agreement with the experimentally observed groove shapes, particularly for the 2-D case. For the 3-D model, deviations are observed at regions close to the strip edges that are affected by nonplanar strain arising from spread during laboratory rolling. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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