Small-Scale Plastic Deformation of Nanocrystalline High Entropy Alloy

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This article reports the fabrication of nanocrystalline (NC) Al₀.₁CoCrFeNi high entropy alloy and subsequent small-scale plastic deformation behavior via nano-pillar compression tests.

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17 p.

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Mridha, Sanghita; Komarasamy, Mageshwari; Bhowmick, Sanjit; Mishra, Rajiv & Mukherjee, Sundeep November 20, 2018.

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Description

This article reports the fabrication of nanocrystalline (NC) Al₀.₁CoCrFeNi high entropy alloy and subsequent small-scale plastic deformation behavior via nano-pillar compression tests.

Physical Description

17 p.

Notes

Abstract: High entropy alloys (HEAs) have attracted widespread interest due to their unique
properties at many different length-scales. Here, we report the fabrication of nanocrystalline (NC)
Al0.1CoCrFeNi high entropy alloy and subsequent small-scale plastic deformation behavior via
nano-pillar compression tests. Exceptional strength was realized for the NC HEA compared to pure
Ni of similar grain sizes. Grain boundary mediated deformation mechanisms led to high strain rate
sensitivity of flow stress in the nanocrystalline HEA.

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  • Entropy, 2018. Basel, Switzerland: Multidisciplinary Digital Publishing Institute

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  • Publication Title: Entropy
  • Volume: 20
  • Page Start: 1
  • Page End: 6
  • Peer Reviewed: Yes

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UNT Scholarly Works

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  • November 20, 2018

Submitted Date

  • October 22, 2018

Accepted Date

  • November 16, 2018

Added to The UNT Digital Library

  • Dec. 19, 2018, 12:07 p.m.

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Mridha, Sanghita; Komarasamy, Mageshwari; Bhowmick, Sanjit; Mishra, Rajiv & Mukherjee, Sundeep. Small-Scale Plastic Deformation of Nanocrystalline High Entropy Alloy, article, November 20, 2018; Basel, Switzerland. (digital.library.unt.edu/ark:/67531/metadc1393791/: accessed January 22, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Engineering.