Patent · US Active

Modified La—Fe—Si magnetocaloric alloys

US11289248B2 · kind B2 · utility

0Cited by

2References

4Claims

0Family size

Assignee

IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC. · US

Inventors

Arjun K. Pathak · Ames, US
Yaroslav Mudryk · Ames, US
Oleksandr Dolotko · Karlsruhe, DE
Vitalij K. Pecharsky · Ames, US

Key dates

Filing date	Feb 11, 2019
Grant date	Mar 29, 2022
Priority date	—
Expiry date	Sep 12, 2039

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P10/25
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A magnetocaloric material comprising a La—Fe—Si based alloy composition that is compositionally modified to include a small but effective amount of at least one of Al, Ga, and In to improve mechanical stability of the alloy (substantially reduce alloy brittleness), improve thermal conductivity, and preserve comparable or provide improved magnetocaloric effects. The alloy composition may be further modified by inclusion of at least one of Co, Mn, Cr, and V as well as interstitial hydrogen.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.