Journal article 1459 views 633 downloads
A novel High-Entropy Alloy-based composite material
Sephira Riva,
Adam Tudball,
Shahin Mehraban,
Nicholas Lavery
,
Stephen G.R. Brown,
Kirill V. Yusenko,
Steve Brown
Journal of Alloys and Compounds, Volume: 730, Pages: 544 - 551
Swansea University Authors:
Nicholas Lavery , Steve Brown
-
PDF | Accepted Manuscript
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DOI (Published version): 10.1016/j.jallcom.2017.09.274
Abstract
This study reports the results of the addition of different reinforcing agents (i.e. nano-diamonds, SiC, Sc2O3, h-BN, c-BN and CN) on the sintering process of the B2-structured Al2CoCrFeNi High-Entropy Alloy. The best candidate for further thermal, electrical and mechanical characterization was chos...
Published in: | Journal of Alloys and Compounds |
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ISSN: | 0925-8388 |
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2018
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URI: | https://cronfa.swan.ac.uk/Record/cronfa35713 |
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2020-06-02T16:21:36.0152215 v2 35713 2017-09-29 A novel High-Entropy Alloy-based composite material 9f102ff59824fd4f7ce3d40144304395 0000-0003-0953-5936 Nicholas Lavery Nicholas Lavery true false 07a865adc76376646bc6c03a69ce35a9 Steve Brown Steve Brown true false 2017-09-29 MECH This study reports the results of the addition of different reinforcing agents (i.e. nano-diamonds, SiC, Sc2O3, h-BN, c-BN and CN) on the sintering process of the B2-structured Al2CoCrFeNi High-Entropy Alloy. The best candidate for further thermal, electrical and mechanical characterization was chosen to be the alloy containing 2 wt% nano-diamonds. The composite was prepared using spark-plasma sintering of pre-alloyed powders and characterized with SEM-EDX, DSC, Laser Flash Analysis (LFA), electrical conductivity and Seebeck coefficient, dilatometry, Young's modulus, Vicker's hardness, 3-points flexural test. It shows unexpectedly low thermal expansion coefficient (from 3×10−6 to 17×10−6 K−1 between RT and 500 °C), high electrical resistivity and Seebeck coefficient and hardness comparable to the sintered blank Al2CoCrFeNi. Journal Article Journal of Alloys and Compounds 730 544 551 0925-8388 High-entropy alloys; Metal matrix composites; Spark plasma sintering; Nano-diamonds composite; Thermo-electric properties 5 1 2018 2018-01-05 10.1016/j.jallcom.2017.09.274 COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University 2020-06-02T16:21:36.0152215 2017-09-29T09:07:56.2428686 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Sephira Riva 1 Adam Tudball 2 Shahin Mehraban 3 Nicholas Lavery 0000-0003-0953-5936 4 Stephen G.R. Brown 5 Kirill V. Yusenko 6 Steve Brown 7 0035713-29092017090952.pdf riva2017.pdf 2017-09-29T09:09:52.2930000 Output 1657821 application/pdf Accepted Manuscript true 2018-09-28T00:00:00.0000000 false eng |
title |
A novel High-Entropy Alloy-based composite material |
spellingShingle |
A novel High-Entropy Alloy-based composite material Nicholas Lavery Steve Brown |
title_short |
A novel High-Entropy Alloy-based composite material |
title_full |
A novel High-Entropy Alloy-based composite material |
title_fullStr |
A novel High-Entropy Alloy-based composite material |
title_full_unstemmed |
A novel High-Entropy Alloy-based composite material |
title_sort |
A novel High-Entropy Alloy-based composite material |
author_id_str_mv |
9f102ff59824fd4f7ce3d40144304395 07a865adc76376646bc6c03a69ce35a9 |
author_id_fullname_str_mv |
9f102ff59824fd4f7ce3d40144304395_***_Nicholas Lavery 07a865adc76376646bc6c03a69ce35a9_***_Steve Brown |
author |
Nicholas Lavery Steve Brown |
author2 |
Sephira Riva Adam Tudball Shahin Mehraban Nicholas Lavery Stephen G.R. Brown Kirill V. Yusenko Steve Brown |
format |
Journal article |
container_title |
Journal of Alloys and Compounds |
container_volume |
730 |
container_start_page |
544 |
publishDate |
2018 |
institution |
Swansea University |
issn |
0925-8388 |
doi_str_mv |
10.1016/j.jallcom.2017.09.274 |
college_str |
Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
department_str |
School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised |
document_store_str |
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active_str |
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description |
This study reports the results of the addition of different reinforcing agents (i.e. nano-diamonds, SiC, Sc2O3, h-BN, c-BN and CN) on the sintering process of the B2-structured Al2CoCrFeNi High-Entropy Alloy. The best candidate for further thermal, electrical and mechanical characterization was chosen to be the alloy containing 2 wt% nano-diamonds. The composite was prepared using spark-plasma sintering of pre-alloyed powders and characterized with SEM-EDX, DSC, Laser Flash Analysis (LFA), electrical conductivity and Seebeck coefficient, dilatometry, Young's modulus, Vicker's hardness, 3-points flexural test. It shows unexpectedly low thermal expansion coefficient (from 3×10−6 to 17×10−6 K−1 between RT and 500 °C), high electrical resistivity and Seebeck coefficient and hardness comparable to the sintered blank Al2CoCrFeNi. |
published_date |
2018-01-05T03:44:31Z |
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1763752092645720064 |
score |
11.021648 |