Highly Tunable, Inexpensive and Easily Fabricated Magnetocaloric Materials
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United States of America Patent
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Issued Date -
Feb 29, 2024
app pub date -
Nov 2, 2023
filing date -
Dec 28, 2017
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Abstract
A method is provided of making a magnetocaloric alloy composition comprising Ni, Co, Mn, and Ti, which preferably includes certain beneficial substitutional elements, by melting the composition and rapidly solidifying the melted composition at a cooling rate of at least 100 K/second (Kelvin/second) to improve a magnetocaloric property of the composition. The rapidly solidified composition can be heat treated to homogenize the composition and annealed to tune the magneto-structural transition for use in a regenerator.
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