铝合金搅拌摩擦沉积增材制造工艺研究进展

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Abstract： Additive Friction Stir Deposition （AFSD） is an emerging solid-phase additive manufacturing technology that offersseveral advantages，including high materialutilization，highadditive efficiency，andenhancedcomponent performance. It is applicable in the preparation of aerospace aluminum alloy structural parts，demonstrating broad potential forapplication.This article begins witha brief introduction to the fundamental principles of aluminum alloy AFSD technology，before delving into the relationship between process parameters， microstructure evolution and mechanical properties associated with aluminum alloy AFSD.The results indicate that the shoulder structure， process parameters，and heat treatment processes are critical for achieving high-performance aluminum alloy components. Finaly， the article discusss the future prospects of aluminum alloy AFSD technology，emphasizing that research can be continued in terms of forming mechanism， forming process，organizational performance regulation and new material preparation，and provides useful reference for engineering applications of aluminum alloy AFSD technology.

Keywords： aluminum alloy;additive friction stir deposition; process parameters; microstructural evolution; mechanical properties

1序言

增材制造（AdditiveManufacturing，AM）是一种通过逐层堆积材料构造实体的先进成形技术。（剩余20898字）