In-situ heat treatment (IHT) wire arc additive manufacturing of Inconel625-HSLA steel functionally graded material

Jiarong Zhang,Chengning Li,Xiaocong Yang,Dongpo Wang,Wenbin Hu,Xinjie Di,Jianjun Zhang

Materials Letters（2023）

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摘要

•Interactive heat treatment was used to fabricate functionally graded materials.•Fine Nb-rich carbides generated around the semi-dissolved Laves phases.•Stacking faults and dislocation tangles were induced by Nb-rich carbides.•Tensile strength was improve from 512 ± 15 MPa to 602 ± 10 MPa.

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关键词

Additive manufacturing,Metals and alloys,Functionally graded material,In-situ heat treatment

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