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Analysis of the extent of interphase precipitation in V-HSLA steels through in-situ characterization of the γ/α transformation
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Clark, Samuel J., Janik, Vit, Rijkenberg, Arjan and Sridhar, Seetharaman (2016) Analysis of the extent of interphase precipitation in V-HSLA steels through in-situ characterization of the γ/α transformation. Materials Characterization, 115 . 83 - 89. doi:10.1016/j.matchar.2016.03.021
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Official URL: http://dx.doi.org/10.1016/j.matchar.2016.03.021
Abstract
Abstract In-situ characterization techniques have been applied to elucidate the influence of γ/α transformation upon the extent of interphase precipitation in a low-carbon, vanadium-HSLA steel. Electron Back-scattered diffraction analyses of the γ/α orientation relationship with continuous cooling at 2 and 10 K/s suggest that the proportion of ferrite likely to hold interphase precipitation varies little with cooling rate. However, TEM analyses show that the interphase precipitation refines with increasing cooling rate in this cooling range. With cooling rates in excess of 20 K/s, interphase precipitation is increasingly suppressed due to the increasingly diffusional-displacive nature of the Widmanstatten γ/α transformation that is activated. The present study illustrates that the extent and dimensions of interphase precipitation can be controlled through controlled cooling.
| Item Type: | Journal Article | ||||||||
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| Subjects: | T Technology > TN Mining engineering. Metallurgy | ||||||||
| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
| Journal or Publication Title: | Materials Characterization | ||||||||
| Publisher: | Elsevier | ||||||||
| ISSN: | 1044-5803 | ||||||||
| Official Date: | May 2016 | ||||||||
| Dates: |
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| Volume: | 115 | ||||||||
| Page Range: | 83 - 89 | ||||||||
| DOI: | 10.1016/j.matchar.2016.03.021 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Funder: | Engineering and Physical Sciences Research Council (EPSRC) | ||||||||
| Grant number: | EP/L018632/1 | ||||||||
| Adapted As: |
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