The Enhanced Corrosion Resistance of Harmonic Structured Cantor Alloy in Hank’s Simulated Body Fluid

Banik, Debdipta; Mandal, Saikat; Mukherjee, Sundeep; Fujiwara, Hiroshi; Ameyama, Kei; Mondal, K.

doi:10.1007/s11665-023-07965-8

J. of Materi Eng and Perform

2023

DOI: 10.1007/s11665-023-07965-8

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The Enhanced Corrosion Resistance of Harmonic Structured Cantor Alloy in Hank’s Simulated Body Fluid

Debdipta Banik

Saikat Mandal

Sundeep Mukherjee

et al.

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2024

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Precise spectral directional infrared emissivity of a Cantor high-entropy alloy

Gabirondo-López,

López-Ferreño,

Straumal

et al. 2024

AIP Advances

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The multicomponent equiatomic CrMnFeCoNi alloy was proposed by B. Cantor almost 20 years ago and was the first in the family of the so-called multiprincipal or high-entropy alloys (HEAs). Various mechanical properties of the Cantor alloy and its derivatives, such as corrosion behavior, oxidation resistance, irradiation response, diffusion bonding, and weldability, have been studied these past years. Unfortunately, data on their thermo-physical properties are scarce and the information about infrared emissivity is completely absent. Having reliable infrared emissivity data at working conditions is very important for non-contact temperature measurements and for modeling heat transfer by radiation during manufacturing. In this work, a Cantor alloy, as a typical example of HEAs, was manufactured with levitation melting in vacuum. The alloy contains mainly one phase with face-centered cubic lattice and small amount of oxide precipitates. The angle-dependent spectral directional emissivity was measured between 200 and 700 °C. Reproducible data were obtained upon several thermal cycles. The total directional emissivity is almost constant from 10° to 50°, and it increases up until it reaches a maximum around 70°. Integrating these data, total hemispherical emissivity was determined, and it was observed that this property remains almost constant at 0.28 in a wide temperature range, showing a minor increase with increasing temperature. Spectral directional emissivity measurements allow detecting incipient oxidation processes. These data show the necessity of measuring emissivity at working temperatures to achieve a precise quantification of radiative heat transfer.

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Precise spectral directional infrared emissivity of a Cantor high-entropy alloy

Gabirondo-López,

López-Ferreño,

Straumal

et al. 2024

AIP Advances

View full text Add to dashboard Cite

show abstract

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The Enhanced Corrosion Resistance of Harmonic Structured Cantor Alloy in Hank’s Simulated Body Fluid

Cited by 1 publication

References 25 publications

Precise spectral directional infrared emissivity of a Cantor high-entropy alloy

Precise spectral directional infrared emissivity of a Cantor high-entropy alloy

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