NDLI: Processing and microstructure characterisation of oxide dispersion strengthened Fe-14Cr-0.4Ti-0.25Y 2 O 3 ferritic steels fabricated by spark plasma sintering

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Processing and microstructure characterisation of oxide dispersion strengthened Fe-14Cr-0.4Ti-0.25Y 2 O 3 ferritic steels fabricated by spark plasma sintering

Content Provider	Semantic Scholar
Author	Zhang, Hongtao Huang, Yina Ning, Huanpo Williams, Ceri A. London, Andrew J. Dawson, Karl Zuliang Gorley, M. Grovenor, Chris R. M. Tatlock, Gordon J. Roberts, Stephen Reece, Mike Yan, Haixue Grant, Patrick S.
Copyright Year	2015
Abstract	Ferritic steels strengthened with Ti-Y-O nanoclusters are leading candidates for fission and fusion reactor components. A Fe-14Cr-0.4Ti + 0.25Y2O3 (14YT) alloy was fabricated by mechanical alloying and subsequently consolidated by spark plasma sintering (SPS). The densification of the 14YT alloys significantly improved with an increase in the sintering temperature. Scanning electron microscopy and electron backscatter diffraction revealed that 14YT SPS-sintered at 1150 °C under 50 MPa for 5 min had a high density (99.6%), a random grain orientation and a bimodal grain size distribution (2Ti2O7, FeO, and chromium carbides, while transmission electron microscopy and atom probe tomography showed uniformly dispersed Y2Ti2O7 nanoclusters of 23 m-3. Due to the very much shorter consolidation times and lower pressures used in SPS compared with the more usual hot isostatic pressing routes, SPS is shown to be a cost-effective technique for oxide dispersion strengthened (ODS) alloy manufacturing with microstructural features consistent with the best-performing ODS alloys.
Starting Page	61
Ending Page	68
Page Count	8
File Format	PDF HTM / HTML
DOI	10.1016/j.jnucmat.2015.04.029
Alternate Webpage(s)	https://ora.ouls.ox.ac.uk/objects/uuid:957213b8-3a38-4b41-9aef-39a179b3dcd9/download_file?file_format=pdf&safe_filename=Processing%2Band%2Bmicrostructure%2Bcharacterisation%2Bof%2Boxide%2Bdispersion%2Bstrengthened%2BODS%2Bby%2BSPS%2BJNM%2B2015.pdf&type_of_work=Journal+article
Alternate Webpage(s)	https://dspace.lboro.ac.uk/dspace-jspui/bitstream/2134/17741/5/1-s2.0-S0022311515002391-main.pdf
Alternate Webpage(s)	https://doi.org/10.1016/j.jnucmat.2015.04.029
Volume Number	464
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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