Tensile properties of laser additive manufactured Inconel 718 using filler wire

Zhang, Yinan; Cao, X.; Wanjara, P.; Medraj, Mamoun

doi:10.1557/jmr.2014.199

Cited by 37 publications

(5 citation statements)

References 26 publications

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“…New technology implementation represents one of the best ways to promote new functionalities and performance improvements for existing products. In this regard, Additive Manufacturing adoption supports innovative production regardless of the product design complexity (Zhang et al, 2014). However, Barney (2014) argued that in addition to simply adopting resources, companies need to be organized to exploit their full potential and achieve competitive advantage.…”

Section: Additive Manufacturing Adoption and Supply Chain Integrationmentioning

confidence: 99%

Additive manufacturing: empirical evidence for supply chain integration and performance from the automotive industry

Delić

Eyers

Mikulić

2019

SCM

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Purpose Additive Manufacturing offers much potential for industry, but at the same time is likely to have a significant impact on supply chain theory and practice. To-date there has been limited empirical work exploring the effect of Additive Manufacturing, and this study aims to provide a detailed appraisal of how supply chain integration, supply chain performance and firm performance may be affected by the adoption of Additive Manufacturing. These are critical factors for supply chain management, but have received little quantified attention to date. Design/methodology/approach A theoretical model is developed from a detailed review of the literature, from which a quantitative analysis is performed. Using data collected from 124 automotive manufacturers in European Union and the partial least square- structural equation modeling method, the research examines the relationships among different dimensions of supply chain integration, supply chain performance and firm performance from the perspective of Additive Manufacturing adoption. Findings The findings indicate that Additive Manufacturing adoption positively influences supply chain performance and as a consequence, firm performance. In addition, supporting the resource-based view perspective, the results show a positive indirect effect of supply chain integration on the supply chain and firm performance improvements, enabled by the Additive Manufacturing adoption. This helps to explain some inconsistent findings in previous research regarding the impacts of supply chain integration on performance. Research limitations/implications The results of this study support the view that Additive Manufacturing can make a positive contribution to the supply chain, but this is not achieved solely by the technologies alone. Many of the traditional activities of supply chain management (i.e. integration) are still needed when using Additive Manufacturing, and research needs to understand whether Additive Manufacturing adoption will necessitate changes to the way these traditional activities are undertaken. Building on the findings of the current study, much more work is therefore needed to understand how operations within the supply chain may be changed, and how this may affect the integration and performance of the supply chain. Practical implications This study provides quantitative evidence to show that the adoption of Additive Manufacturing has the potential to affect both firm and supply chain performance. This is significant for those companies considering the adoption of Additive Manufacturing, and may serve as a valuable insight in the strategic decision-making process. For those already using Additive Manufacturing, this study serves to underline the potential for firm performance to be influenced, by focusing on improvements to their production strategies and policies. Originality/value This study provides an initial insight into some fundamental supply chain concepts within an Additive Manufacturing context, which have received very little research attention. It develops a novel conceptual model, and through a large-scale industry survey provides quantified evidence of the impact of Additive Manufacturing on the supply chain. To date, much of the supply chain research is exploratory and qualitative; the quantitative evidence presented in this work, therefore, makes an important and original contribution to both research and practice.

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Section: Additive Manufacturing Adoption and Supply Chain Integrationmentioning

confidence: 99%

Additive manufacturing: empirical evidence for supply chain integration and performance from the automotive industry

Delić

Eyers

Mikulić

2019

SCM

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“…As the remaining liquid with available Nb continues to form γ dendrites, solidification ends up with a secondary eutectic reaction (L→(γ + Laves)) at last. This eutectic is frequently observed in the IN718 weld part [ 25 , 37 , 44 , 45 , 46 , 47 ].…”

Section: Resultsmentioning

confidence: 93%

“…It was reported that the Laves phase is in cohesion with the γ matrix due to the atomic size mismatch, resulting in poor bonding along the interface between the Laves phase and the γ matrix and in turn, crack initiation and propagation along the weakened fracture paths [ 45 , 47 , 53 ]. Additionally, the Laves phase consumes the principal alloying elements such as Nb, Mo, and Ti which are necessary for precipitation of the strengthening phases such as γ″ (Ni 3 Nb) and γ′ (Ni 3 (Al, Ti)) [ 35 , 45 ].…”

Section: Resultsmentioning

confidence: 99%

Laser Engineered Net Shaping of Nickel-Based Superalloy Inconel 718 Powders onto AISI 4140 Alloy Steel Substrates: Interface Bond and Fracture Failure Mechanism

et al. 2017

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As a prospective candidate material for surface coating and repair applications, nickel-based superalloy Inconel 718 (IN718) was deposited on American Iron and Steel Institute (AISI) 4140 alloy steel substrate by laser engineered net shaping (LENS) to investigate the compatibility between two dissimilar materials with a focus on interface bonding and fracture behavior of the hybrid specimens. The results show that the interface between the two dissimilar materials exhibits good metallurgical bonding. Through the tensile test, all the fractures occurred in the as-deposited IN718 section rather than the interface or the substrate, implying that the as-deposited interlayer bond strength is weaker than the interfacial bond strength. From the fractography using scanning electron microscopy (SEM) and energy disperse X-ray spectrometry (EDS), three major factors affecting the tensile fracture failure of the as-deposited part are (i) metallurgical defects such as incompletely melted powder particles, lack-of-fusion porosity, and micropores; (ii) elemental segregation and Laves phase, and (iii) oxide formation. The fracture failure mechanism is a combination of all these factors which are detrimental to the mechanical properties and structural integrity by causing premature fracture failure of the as-deposited IN718.

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“…The laser as a heat source of AM is suitable for the production of small size and complex structure and precision parts. [ 20 ] The AM with electron beam as a heat source is suitable for producing parts with high purity and easy oxidation. [ 21 ] The AM with arc as a heat source has the advantages of high deposition rate, low equipment cost, and suitable for large‐scale components.…”

Section: Introductionmentioning

confidence: 99%

Microstructure and Mechanical Properties of Thick‐Walled Inconel 625 Alloy Manufactured by Wire Arc Additive Manufacture with Different Torch Paths

Jiang

Zhang

et al. 2020

Adv Eng Mater

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Wire arc additive manufacture (WAAM) technology has attracted more and more attention. WAAM technology provides a way to manufacture a large‐scale part at a low cost and with less material loss. Inconel 625 alloys are widely used for their excellent mechanical properties and corrosion resistance. Therefore, it is important to investigate the performance of Inconel 625 alloy in WAAM. Herein, cold metal transfer (CMT) arc is used as the heat source to fabricate thick‐walled parts of Inconel 625 alloy by WAAM, and study the difference between microstructure and mechanical properties under the different torch trajectories. The result shows that the grains inside the parts are all thick dendrites and show the trend of epitaxial growth. The thermal input of the oscillation additive is higher than the two‐pass multilayer additives, and the Laves phase also precipitated more. The maximum tensile strength occurs in parallel sampling close to the substrate, which is 693.5 ± 12.6 and 751.2 ± 17.6 MPa in oscillation and two‐pass multilayer modes, respectively. The maximum elongation is obtained in the vertical direction is 60 ± 1.0% and 60 ± 1.1%. The anisotropies are 4% and 4.5%, respectively. The maximum hardness value under the two torch trajectories also appears close to the substrate.

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Tensile properties of laser additive manufactured Inconel 718 using filler wire

Cited by 37 publications

References 26 publications

Additive manufacturing: empirical evidence for supply chain integration and performance from the automotive industry

Additive manufacturing: empirical evidence for supply chain integration and performance from the automotive industry

Laser Engineered Net Shaping of Nickel-Based Superalloy Inconel 718 Powders onto AISI 4140 Alloy Steel Substrates: Interface Bond and Fracture Failure Mechanism

Microstructure and Mechanical Properties of Thick‐Walled Inconel 625 Alloy Manufactured by Wire Arc Additive Manufacture with Different Torch Paths

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