Erbium-based magnetic refrigerant (regenerator) for passive cryocooler
Patent
·
OSTI ID:264575
A two stage Gifford-McMahon cryocooler is disclosed having a low temperature stage for reaching approximately 10K, wherein the low temperature stage includes a passive magnetic heat regenerator selected from the group consisting of Er{sub 6}Ni{sub 2}Sn, Er{sub 6}Ni{sub 2}Pb, Er{sub 6}Ni{sub 2}(Sn{sub 0.75}Ga{sub 0.25}), and Er{sub 9}Ni{sub 3}Sn comprising a mixture of Er{sub 3}Ni and Er{sub 6}Ni{sub 2}Sn in the microstructure. 14 figs.
- Research Organization:
- Iowa State Univ., Ames, IA (United States)
- DOE Contract Number:
- W-7405-ENG-82
- Assignee:
- Iowa State Univ. Research Foundation, Inc., Ames, IA (United States)
- Patent Number(s):
- US 5,537,826/A/
- Application Number:
- PAN: 8-266,090; TRN: 96:016468
- OSTI ID:
- 264575
- Resource Relation:
- Other Information: PBD: 23 Jul 1996
- Country of Publication:
- United States
- Language:
- English
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