δ′ Phase Precipitation at Low-angle Grain Boundary in Al-Li-Zn-Zr Alloy

δ′ Phase Precipitation at Low-angle Grain Boundary in Al-Li-Zn-Zr Alloy

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摘要 A large number of δ particles precipitated at low-angle grain boundaries have been observed by TEM in a dilute A1-Li-Zn-Zr alloy during ageing at the suitable temperatures.An explanation for this phenomenon was proposed,which involves the role of excess vacancies and capillarity effects. A large number of δ particles precipitated at low-angle grain boundaries have been observed by TEM in a dilute A1-Li-Zn-Zr alloy during ageing at the suitable temperatures.An explanation for this phenomenon was proposed,which involves the role of excess vacancies and capillarity effects.

作者蒋晓军姚大平李依依

机构地区 Institute of Metal Research

出处《Journal of Materials Science & Technology》 SCIE EI CAS CSCD 1990年第4期263-267,共5页 材料科学技术（英文版）

关键词 Al-Li alloy phase transformation PRECIPITATION Al-Li alloy phase transformation precipitation

分类号 TB3-55 [一般工业技术—材料科学与工程]

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Journal of Materials Science & Technology

1990年第4期

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δ′ Phase Precipitation at Low-angle Grain Boundary in Al-Li-Zn-Zr Alloy

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