Hot deformation induced microstructural evolution in local-heterogeneous wire + arc additive manufactured 2219 Al alloy

Yinghui Zhou,Xin Lin,Nan Kang,Zhennan Wang,Hua Tan,Weidong Huang

Journal of Alloys and Compounds（2021）

Cited 42|Views8

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Abstract

•Local-heterogeneous laminar structure in WAAMed 2219 leads to the improved stress during deformation.•The θ′ in deposit sample results in high deformation resistance in hot deformation (<380 °C).•DRV acts as the main deformation mechanism and DRX as the auxiliary one.

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Key words

Al-Cu alloy,Wire and arc additive manufacturing,Local-heterogeneous microstructure,Hot deformation,Softening mechanism

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