含Er 5083合金均匀化退火过程中Al3Er相的TEM观察

458Vol.45No.8

20098978—982ACTAMETALLURGICASINICAAug.2009

pp.978–982*

:2006AA03A2072007AA03Z514:2008–12–14,:2009–04–03,,1982,

8:Er5083Al3ErTEM979

98045

8:Er5083Al3ErTEM981

3(1 ν),σ,GνPoisson,δ.σ[13]:σ=Gb1 ν(3)Er5083,G=26.4,v=0.33,b=0.286nm,δ=0.038(Al3Er0.4215nm,Ala=0.4049nm)[3].(1)—(3)/r(1)t=9.44nm.12nm,

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