Nb--Sn precursors having controlled impurities and method of mak

Details Nb--Sn precursors having controlled impurities and method of mak Nb--Sn precursors having controlled impurities and method of mak

1995-06-26

1997-09-23

Utech, Benjamin

Coating processes

Electrical product produced

Superconductor

427 63, 427431, 427436, 4273768, 505818, B05D 512

Patent

active

056702043

ABSTRACT:
Nb--Sn precursor articles are described that include a Nb alloy article that is at least partially coated with a layer of a Sn alloy, such as a Sn--Cu alloy. The precursor articles described herein have a controlled concentration of the impurity elements As and S in the Sn alloy layer. The concentration of these elements in the Sn alloy layer is less than or equal to 50 ppm by weight. This invention also describes a method for making Nb--Sn precursor articles having a controlled concentration of As and S impurities.

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