Precipitation Behaviour at the Interface of an Additively Manufactured M789–N709 Hybrid Alloy

Nyamuchiwa, Kudakwashe; Tian, Yuan; Chadha, Kanwal; Jiang, Lu; Dorin, Thomas; Aranas, Clodualdo

doi:10.1007/s40195-023-01558-z

Cited by 7 publications

(3 citation statements)

References 45 publications

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“…As previously described in [51,[61][62][63][64]66,72], the precipitation of brittle phases is a significant setback in joining different metals. Most metal systems have limited solid solubilities, which often precipitate intermetallic phases and other related stoichiometric products.…”

Section: Limited Solubility and Intermetallic Phase Formationmentioning

confidence: 78%

“…Failure was away from the interface for both as-printed and heat-treated conditions. [47,72] MS1/wrought C300 Fracture at the built AM layer was caused by void expansion. [34] MS1/wrought H13 Fracture at the interface due to chemical and microstructural inhomogeneity.…”

Section: Ms1/h13mentioning

confidence: 99%

“…These two steels are both precipitation-hardening steels with comparable thermal conductivities and compositions. The interface formed was robust, and failure was located away from its interface in both the as-printed and heat-treated state [55,72]. The importance of post-heat treatment is discussed in Section 5 with an emphasis on precipitation-hardening steels produced by LPBF.…”

Section: L/cu10snmentioning

confidence: 99%

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Recent Progress in Hybrid Additive Manufacturing of Metallic Materials

Nyamuchiwa,

Palad,

Panlican

et al. 2023

Applied Sciences

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Additive Manufacturing (AM) is an advanced technology that has been primarily driven by the demand for production efficiency, minimized energy consumption, and reduced carbon footprints. This process involves layer-by-layer material deposition based on a Computer-Aided Design (CAD) model. Compared to traditional manufacturing methods, AM has enabled the development of complex and topologically functional geometries for various service parts in record time. However, there are limitations to mass production, the building rate, the build size, and the surface quality when using metal additive manufacturing. To overcome these limitations, the combination of additive manufacturing with traditional techniques such as milling and casting holds the potential to provide novel manufacturing solutions, enabling mass production, improved geometrical features, enhanced accuracy, and damage repair through net-shape construction. This amalgamation is commonly referred to as hybrid manufacturing or multi-material additive manufacturing. This review paper aimed to explore the processes and complexities in hybrid materials, joining techniques, with a focus on maraging steels. The discussion is based on existing literature and focuses on three distinct joining methods: direct joining, gradient path joining, and intermediate section joining. Additionally, current challenges for the development of the ideal heat treatment for hybrid metals are discussed, and future prospects of hybrid additive manufacturing are also covered.

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