Development and characterization on low activation Al alloys for fusion are described. Selection of the alloys from the points of low induced activity, high electrical resistivity, high mechanical strength, and high ductility, undertaken on laboratory scale experiment, and subsequent industrial fabrication of a large plate with 1
m × 2
m × 25
mm with its characterization are detailed. The alloy finally selected is Al-Mg Li alloy. The metallurgical reason of high electrical resistivity of this alloy is mentioned.
Further improvement of the alloy by powder metallurgy is also mentioned.
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