Hafnium alloys as neutron absorbers

Details Hafnium alloys as neutron absorbers Hafnium alloys as neutron absorbers

1993-05-25

1994-07-19

Andrews, Melvyn J.

Metal treatment

Stock

Titanium, zirconium, or hafnium base

420422, 148668, 376353, 376219, 376239, C22C 2700

Patent

active

053305892

ABSTRACT:
A hafnium alloy consisting essentially of hafnium and containing Sn by 0.1-1.5 weight %, O by 0.03-0.2 weight %, Fe by 0.01-0.15 weight %, Zr by 0.02-2.0 weight %, and (1) Cr by 0.01-0.15 weight %, and Ni by less than 0.10 weight %, (2) Cr by 0.01-0.15 weight %, Ni by less than 0.10 weight %, and Mo by 0.01-0.2 weight %, (3) Nb by 0.2-1.0 weight %, or (4) Nb by 0.2-1.0 weight %, and Mo by 0.01-0.2 weight % has high neutron-absorbing capacity, high resistance to uniform and nodular corrosion, high tensile and creep strength, and good wear resistance, and is suited to be used as neutron absorber for nuclear power reactors.

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