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Comparative evaluation of erbium and lead regenerator materials for low temperature cryocoolers

✍ Scribed by T.W Wysokinski; J.A Barclay; K.A Gschneidner Jr.; V.K Pecharsky; A.O Pecharsky


Book ID
104112266
Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
381 KB
Volume
42
Category
Article
ISSN
0011-2275

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✦ Synopsis


A new erbium-based alloy has been tested as an environmentally benign replacement for lead in the second stage regenerator of low temperature (8-16 K) cryocoolers. This work focuses on obtaining improved performance of a Gifford-McMahon cooler by material modification in the second stage regenerator. Properties and experimental results for an improved second stage regenerator using erbium-based alloys are presented. A slight improvement in performance was observed using the erbium regenerator material over lead.


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