Excellent Electromagnetic-Wave Absorbing Performances and Great Harsh-Environment Resistance of Feconicrxmn High Entropy Alloys
SSRN, ISSN: 1556-5068
2022
- 6Citations
- 208Usage
- 2Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
FeCoNiCr x Mn (x = 0.0, 0.6, 0.8, 1.0) high-entropy alloys (HEAs) were prepared by a 3D high-energy ball-milling method. The phase structure, grain size, crystallinity, morphology, static magnetic properties, corrosion resistance, oxidation resistance and electromagnetic properties of FeCoNiCr x Mn HEAs are investigated in detail by modulating Cr contents. FeCoNiCr x Mn HEAs had the phase transformation from FCC to BCC with the increase of Cr contents, which caused abnormal change of both static magnetic properties and corrosion resistance. The introduction of Cr is beneficial to improve the corrosion resistance and oxidation resistance of the alloys. In addition, FeCoNiCrxMn HEAs had excellent electromagnetic-wave absorption performances. The minimum reflection loss of FeCoNiCr 0.6 Mn reached -66.9 dB at 4.9 GHz with a thickness of 2.8 mm, and FeCoNiCr 0.8 Mn had the minimum reflection loss of -57.4 dB at 5.2 GHz with a thickness of 3.3 mm. This study shows that FeCoNiCr x Mn HEAs have practical application prospect due to the excellent electromagnetic-wave absorbing performances and great harsh-environment resistance.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85179535778&origin=inward; http://dx.doi.org/10.2139/ssrn.4161696; https://www.ssrn.com/abstract=4161696; https://dx.doi.org/10.2139/ssrn.4161696; https://papers.ssrn.com/sol3/papers.cfm?abstract_id=4161696; https://ssrn.com/abstract=4161696
Elsevier BV
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