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Small angle x-ray scattering study on microstructure evolution of the aging process of Al-Zn-Mg-Cu-Li alloy
Author(s) -
Hui Zhao,
杜志伟,
周铁涛,
刘培英,
董宝中,
陈昌麒
Publication year - 2004
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.53.1251
Subject(s) - microstructure , materials science , alloy , scattering , small angle scattering , small angle x ray scattering , radius , precipitation , crystallography , analytical chemistry (journal) , metallurgy , optics , chemistry , physics , computer security , chromatography , computer science , meteorology
Small angle x-ray scattering technique was used to analyze the variation of microstructure parameters of precipitates in an Al-Zn-Mg-Cu-Li alloy aged at 130, 150 and 160℃ for the same duration. Precipitate particles’ radius increased with aging temperatures, but their specific inner surface and integrated intensities decreased with aging temperatures. The study on Porod curves q3J(q)-q2 indicates that there is a sharp boundary between precipitates and the matrix.

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