Processing and testing of the low-temperature stage Er6Ni2Sn cryogenic regenerator alloy

被引：0
|
作者：
Gschneidner, KA
Pecharsky, VK
Osborne, MG
Moorman, JO
Anderson, IE
Pasker, D
Eastwood, ML
机构：
来源：
CRYOCOOLERS 9 | 1997年
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D O I：
暂无
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Low temperature heat capacity measurements have shown that Er6Ni2Sn might be a useful low temperature, <20 K, cryocooler regenerator material. Here we report on (1) our efforts to prepare small particles for use in Gifford-McMahon (GM) cryocoolers, and (2) the initial test results using Er6Ni2Sn in the low temperature stage of a GM displacer. Replacement of some of the Nd spheres by Er6Ni2Sn in the second stage achieved a modest improvement in the no load temperature of similar to 0.5 K over the all-Nd second stage.
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页码：669 / 674
页数：6
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