Microstructure and hardness evolution of laser metal deposited AA5087 wall-structures

Publikation: Beiträge in ZeitschriftenKonferenzaufsätze in FachzeitschriftenForschungbegutachtet

Authors

Wire-based laser metal deposition enables to manufacture structures with very high deposition rates in comparison to powder-based laser additive manufacturing. However, this advantage is generally accompanied with a high energy input. Thus, an accumulation of heat within the structure can result. In addition, the heat conduction conditions can also change with increasing structure height, leading to inhomogeneous microstructural formation along the part. The present study deals with the evolution of the microstructure and hardness in laser metal deposited AA5087 wall structures. In this regard, two samples processed at adapted parameters for different deposition rates are investigated.

OriginalspracheEnglisch
ZeitschriftProcedia CIRP
Jahrgang74
Seiten (von - bis)131-135
Anzahl der Seiten5
ISSN2212-8271
DOIs
PublikationsstatusErschienen - 03.09.2018

Bibliographische Notiz

Publisher Copyright:
© 2018 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license

    Fachgebiete

  • Ingenieurwissenschaften - Additive manufacturing technology, Aluminium alloy, Microstructure, Microhardness

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