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Publisher DOI: 10.3390/met11121948
Title: WAAM-Fabricated laminated metal composites
Language: English
Authors: Spalek, Niclas 
Brunow, Jakob  
Braun, Moritz  
Rutner, Marcus 
Issue Date: 2-Dec-2021
Publisher: MDPI
Source: Metals 11 (12): 1948 (2021)
Abstract (english): 
Laminated metal composites are a promising design since the hybrid design enables superior and tailorable material properties compared with bulk material. The article introduces for the first time, laminated metal composites consisting of multiple bilayers of alternating layers of ductile and high-strength steel processed by wire arc additive manufacturing (WAAM). The layup of the laminated metal composites is built up by alternating deposits made of ductile steel and high-strength steel type wires. Governing parameters in the fabrication process affecting the material properties, such as dilution, are discussed. Enhanced material properties of the laminated metal composites fabricated by WAAM are investigated under static tensile, impact and tension-tension high-cycle-fatigue loading and compared to the relating homogenous weld metal. Potential reasons for the retardation of crack propagation in laminated metal composites fabricated by WAAM compared to findings in roll-bonded laminated metal composites are discussed. WAAM is conducted by a collaborative robot providing a high level of flexibility in respect to geometry and scalability. Tailorability of material properties through WAAM-fabricated laminated metal composites adds an important layer of flexibility which has not been explored yet.
DOI: 10.15480/882.4020
ISSN: 2075-4701
Journal: Metals 
Institute: Metall- und Verbundbau B-8 
Konstruktion und Festigkeit von Schiffen M-10 
Document Type: Article
Project: Publikationsfonds 2021 
License: CC BY 4.0 (Attribution) CC BY 4.0 (Attribution)
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