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    Effect of P content on stress relaxation and clustering behavior in Cu-Ni-P alloys

    Access Status
    Open access via publisher
    Authors
    Aruga, Y.
    Saxey, David
    Marquis, E.
    Shishido, H.
    Sumino, Y.
    Cerezo, A.
    Smith, G.
    Date
    2010
    Type
    Journal Article
    
    Metadata
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    Citation
    Aruga, Y. and Saxey, D. and Marquis, E. and Shishido, H. and Sumino, Y. and Cerezo, A. and Smith, G. 2010. Effect of P content on stress relaxation and clustering behavior in Cu-Ni-P alloys. Materials Transactions. 51 (10): pp. 1802-1808.
    Source Title
    Materials Transactions
    DOI
    10.2320/matertrans.M2010190
    ISSN
    1345-9678
    School
    John de Laeter CoE in Mass Spectrometry
    URI
    http://hdl.handle.net/20.500.11937/19836
    Collection
    • Curtin Research Publications
    Abstract

    Stress relaxation behavior and cluster distributions in Cu-P alloy and Cu-Ni-P alloys with different P content have been investigated by means of three-dimensional atom probe (3DAP). The overall improvement in the stress relaxation performance is considered in terms of dislocation pinning by solute atoms and clusters. The Cu-Ni-P alloy with low P content forms a low density of Ni-P clusters during annealing and shows a greater improvement in stress relaxation resistance than the Cu-P alloy. It is shown that the pinning effect of solute P has much less impact on the stress relaxation behavior in Cu alloys than the effect of the clusters. It is demonstrated that the clusters play a key role in the stress relaxation in Cu alloys and that the stress relaxation performance can be related to the volume fraction of the clusters. © 2010 The Japan Institute of Metals.

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