| EPSRC Reference: |
GR/J37010/01 |
| Title: |
PRECIPITATE EVOLUTION IN MICROALLOYED STEEL CASTINGS |
| Principal Investigator: |
Priestner, Dr R |
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| Project Partners: |
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| Department: |
Manchester Materials Science Centre |
| Organisation: |
UMIST |
| Scheme: |
Standard Research (Pre-FEC) |
| Starts: |
22 October 1993 |
Ends: |
21 October 1996 |
Value (£): |
100,841
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| EPSRC Research Topic Classifications: |
| Materials Characterisation |
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Summary on Grant Application Form |
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It is proposed to investigate the precipitation of the mixed microalloyed carbonitrides (Nb,Ti)(C,N),(Nb,V,Ti)(C,N) and AlN and MnS in low-carbon microalloyed steels, during time- temperature exposures between solidification and the start of thermomechanical processing. Small castings will be used in which the cooling rate will simulate that in continuous casting. Specimens will be quenched out from a series of temperatures in the austenitic range to determine when precipitates form initially. Others will be held isothermally after cooling to holding temperatures, to determine events preceding direct hot rolling. Still others will be partially cooled and reheated to simulate hot-charge rolling. Ingots cooled to room temperature will be reheated and held at temperature to simulate conventional controlled rolling. High resolution STEM-EDAX and microdiffraction will be used to investigate compositions and morphologies, and kinetics of precipitation will be determined. The crystallography of co-precipitating particles will be investigated.
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Key Findings |
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Potential use in non-academic contexts |
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Impacts |
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| Description |
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| Summary |
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| Date Materialised |
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Sectors submitted by the Researcher |
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