High velocity impact of an Fe/Cr/Mn/Ni high entropy alloy | Zendy

M. Cameron Hawkins | Zendy; Sarah Thomas | Zendy; R. S. Hixson | Zendy; Nan Li | Zendy; Saryu Fensin | Zendy

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High velocity impact of an Fe/Cr/Mn/Ni high entropy alloy

Author(s) -

M. Cameron Hawkins,

Sarah Thomas,

R. S. Hixson,

Nan Li,

Saryu Fensin

Publication year - 2019

Language(s) - English

Resource type - Conference proceedings

DOI - 10.1115/hvis2019-008

Subject(s) - alloy , light gas gun , materials science , shock (circulatory) , entropy (arrow of time) , photonics , series (stratigraphy) , composite material , metallurgy , thermodynamics , physics , optoelectronics , geology , medicine , projectile , paleontology

A series of shock loading experiments were conducted on High Entropy Alloy (HEA) samples consisting of Fe/Cr/Mn/Ni in weight percentages of 25.2/23.5/24.8/26.5. Characterizing this transition metal alloy is a first step in understanding the shock compression response of this relatively new class of alloy. A single stage light gas gun was used to conduct a series of flyer plate symmetric impact experiments to obtain fundamental dynamic properties. Photonic Doppler Velocimetry (PDV) diagnostics were employed to measure the free surface velocity on the back of each target during dynamic compression. These experiments yielded four data points that are in reasonable agreement with an estimated Hugoniot for the material.

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