EFFECTS OF IRRADIATION ON THE MECHANICAL PROPERTIES OF TANTALUM | Zendy

C.K. Franklin | Zendy; D. Stahl | Zendy; F.R. Shober | Zendy; R.F. Dickerson | Zendy

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EFFECTS OF IRRADIATION ON THE MECHANICAL PROPERTIES OF TANTALUM

Author(s) -

C.K. Franklin,

D. Stahl,

F.R. Shober,

R.F. Dickerson

Publication year - 1960

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/4070569

Subject(s) - tantalum , tungsten , materials science , ultimate tensile strength , irradiation , ductility (earth science) , metallurgy , yield (engineering) , composite material , alloy , creep , physics , nuclear physics

Tensile, bend ductility, and hardness tests were performed at room temperature on irradiated tantalum sheet to determine the effect of irradiation on the strength and ductility. Sheet tensile specimens were irradiated in an attempt to produce corversions of tantalum to tungsten of approximately 1.5 and 3.0 wt.%. Unirradiated tantalum and arc-melted alloys of tantalum-1.5 and -3 wt.% tungsten were tested for comparison with the irradiated material. The tensile and yield strengths of tantalum were found to increase appreciably as a result of irradiation whereas the tensile properties of unirradiated Ta-W alloys prepared by arc melting showed that small additions of tungsten do not signicantly increase the strength of tantalum. These results indicate that the major part of the increase in strength resulting from irradiation of tantalum can be attributed to fast-neutron damage and that any contribution produced by the conversion of tantalum to tungsten is a minor one. (auth

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