| EPSRC Reference: |
GR/R80209/01 |
| Title: |
PRODUCTION, WEAR AND THERMAL FATIGUE OF SPRAY-FORMED MONOBLOC ROLLING MILL WORK ROLLS |
| Principal Investigator: |
Rainforth, Professor WM |
| Other Investigators: |
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| Project Partners: |
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| Department: |
Materials Science and Engineering |
| Organisation: |
University of Sheffield |
| Scheme: |
Standard Research (Pre-FEC) |
| Starts: |
01 November 2002 |
Ends: |
31 July 2006 |
Value (£): |
205,500
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| EPSRC Research Topic Classifications: |
| Materials Processing |
Materials testing & eng. |
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| EPSRC Industrial Sector Classifications: |
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Summary on Grant Application Form |
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Spray-formed monobloc billets will be manufactured up to 4000kg and subsequently formed into rolling mill work rolls either by forging, heat treating and machining or simply by heat treating and machining. A range of existing and novel alloy compositions will be investigated, including white irons and high speed steels. By varying the spray-forming parameters and alloy composition, a range of microstructural types and scales will be obtained. In addition, conventional casting will be used to extend the range of microstructural scale up to that found in conventionally cast work rolls, thus providing at least 2 orders of magnitude difference in microstructural scale. Systematic laboratory tests will be undertaken to correlate microstructural scale with wear and thermal fatigue response. These will utilise the unique facilty for laboratory testing roll materials under thermal fatigue conditions that closely simulate those found in service. Detailed electron microscopy, including cross-sectional TEM, will be used to evaluate wear and thermal fatigue mechanisms, and correlate these with microstructure. Feedback from these studies will allow further alloy development, which will be tested directly through further spray-forming trials. Full size monobloc rolls will be manufactured and tested in rolling mills. Detailed analysis of the damage accumulation mechanisms of these rolls will be undertaken following a full rolling campaign and correlated with the laboratory investigations. This will provide further information for definining the optimum microstructure for large scale wear resistant components in this and other similar applications.
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Key Findings |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Potential use in non-academic contexts |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Impacts |
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| Description |
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk |
| Summary |
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| Date Materialised |
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Sectors submitted by the Researcher |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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| Project URL: |
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| Further Information: |
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| Organisation Website: |
http://www.shef.ac.uk |