Material-property evaluation of magnesium alloys fabricated using wire-and-arc-based additive manufacturing

Takagi, Hisataka; Sasahara, Hiroyuki; Abe, Takeyuki; Sannomiya, Hiroki; Nishiyama, Shinichiro; Ohta, Shuichiro; Nakamura, Kunimitsu

doi:10.1016/j.addma.2018.10.026

Cited by 45 publications

(23 citation statements)

References 30 publications

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“…A rib was first forged and then finished by increasing its height with WAAM (Figure 33b). Magnesium alloys have been used in WAAM [167], but its application for biomedical application still does not to meet the requirements in terms of corrosion-resistance and biocompatibility. Once these are ensured, those components can be used for human vertebra prototypes, hip stem implants, and treat bone fractures [168].…”

Section: Applicationsmentioning

confidence: 99%

Current Status and Perspectives on Wire and Arc Additive Manufacturing (WAAM)

et al. 2019

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Additive manufacturing has revolutionized the manufacturing paradigm in recent years due to the possibility of creating complex shaped three-dimensional parts which can be difficult or impossible to obtain by conventional manufacturing processes. Among the different additive manufacturing techniques, wire and arc additive manufacturing (WAAM) is suitable to produce large metallic parts owing to the high deposition rates achieved, which are significantly larger than powder-bed techniques, for example. The interest in WAAM is steadily increasing, and consequently, significant research efforts are underway. This review paper aims to provide an overview of the most significant achievements in WAAM, highlighting process developments and variants to control the microstructure, mechanical properties, and defect generation in the as-built parts; the most relevant engineering materials used; the main deposition strategies adopted to minimize residual stresses and the effect of post-processing heat treatments to improve the mechanical properties of the parts. An important aspect that still hinders this technology is certification and nondestructive testing of the parts, and this is discussed. Finally, a general perspective of future advancements is presented.

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Section: Applicationsmentioning

confidence: 99%

Current Status and Perspectives on Wire and Arc Additive Manufacturing (WAAM)

et al. 2019

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“…For this reason, many studies and trials are being conducted in industries of automobile, railway, aviation, aerospace, military, and biomedical 11,36,37) . Most of the parts made of Mg alloys are manufactured by traditional parts making processes such as machining, gravity casting or die-casting 14,[35][36][37][38] . However, recently, the demand on the lightweight monolithic part with large, medium scales and complex design is increased as the arising of the AM processes 11,14,37) .…”

Section: Waam Of Mg Alloysmentioning

confidence: 99%

“…Most of the studies reported till now are dealt with basic research on the WAAM of Mg alloys such as optimization of parameters, trials of the WAAM with selected parameter, and microstructural and mechanical evaluation 11,14,35,[37][38][39] . The trial results of the WAAM product made of Mg alloys are shown in Fig.…”

Section: Waam Of Mg Alloysmentioning

confidence: 99%

Review on the Wire Arc Additive Manufacturing Process and Trends in Non-ferrous Alloys

Kim

Cheon

2021

Journal of Welding and Joining

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Owing to global trends, automation with the fourth industrial revolution, and environmentally friendly policies owing to certified emission reduction, wire arc additive manufacturing (WAAM) is attracting attention in various industrial fields. In addition, the demands of non-ferrous metals such as aluminum and magnesium alloys are attracting attention from industries that require lightweight, large, and complex metallic parts that can be fabricated through WAAM. In this study, additive manufacturing (AM), WAAM, and current issues on the WAAM of non-ferrous metals particularly aluminum and magnesium alloys are discussed.

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“…PBF manufactures parts by selectively irradiating high-power energy against a bed on which a metal powder is spread. DED directly deposits metal powders or wires region-by-region [1][2][3][4][5][6]. PBF is mostly suitable for complex metal parts where dimensional accuracy and surface quality are concerns, owing to it capabilities in manufacturing near-net shapes with post-processing requirements by means of secondary machining operations.…”

Section: Introductionmentioning

confidence: 99%

Repair of Damaged Parts Using Wire Arc Additive Manufacturing In Machine Tools Remanufacturing

Lee

Kim

2021

Preprint

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Mechanical parts manufactured using additive manufacturing (AM) processes are used in various fields, such as the aerospace, automobile, and machine tool fields. Recently, many researchers have been actively researching AM processes, owing to their advantages in fabricating complex-shaped components that are difficult to process using conventional processes such as rolling, forging, and casting. One of the AM processes, wire arc additive manufacturing (WAAM), is widely used for manufacturing and repair. Mechanical parts usually suffer from severe damage, such as wear and cracks, during operation. Therefore, research on the damaged parts is often required for repairs. This study was performed to investigate the repair of damaged parts using WAAM in machine tool remanufacturing. In general, these parts are often damaged owing to falls of the workpieces and the inexperience of workers; the cross slide is one of the parts damaged most often in a lathe. Accordingly, this study used the cross slide as an example. First, the damaged area was partially cut flat. Second, it was filled with a metal wire using WAAM. Third, post-processing was performed to adjust the surface quality and shape accuracy. Then, the microstructure, chemical composition, and mechanical property of the repaired part were analyzed. Finally, the repaired cross slide was used to replace damaged parts. In general, this method can be applied to various mechanical parts such as impellers, turbine blades, and machine tools.

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Material-property evaluation of magnesium alloys fabricated using wire-and-arc-based additive manufacturing

Cited by 45 publications

References 30 publications

Current Status and Perspectives on Wire and Arc Additive Manufacturing (WAAM)

Current Status and Perspectives on Wire and Arc Additive Manufacturing (WAAM)

Review on the Wire Arc Additive Manufacturing Process and Trends in Non-ferrous Alloys

Repair of Damaged Parts Using Wire Arc Additive Manufacturing In Machine Tools Remanufacturing

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