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Mechanical properties of ion-implanted tungsten-5wt% tantalum

Abstract:

Ion implantation has been used to simulate neutron damage in W-5wt%Ta alloy manufactured by arc melting. Implantations were carried out at damage levels of 0.07, 1.2, 13 and 33 displacements per atom (dpa). The mechanical properties of the ion-implanted layer were investigated by nanoindentation. The hardness increases rapidly from 7.3 GPa in the unimplanted condition to 8.8 GPa at 0.07 dpa. Above this damage level, the increase in hardness is lower, and the hardness change saturates by 13 dp...

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Publication status:
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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Wilkinson, AJ More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Volume:
T145
Pages:
014076-014076
Publication date:
2011-12-05
DOI:
EISSN:
1402-4896
ISSN:
0031-8949
URN:
uuid:771f5bc8-c5df-4b73-8301-dc21e5106f6f
Source identifiers:
246090
Local pid:
pubs:246090

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