Effect of heat input on phase content, crystalline lattice parameter, and residual strain in wire-feed electron beam additive manufactured 304 stainless steel

Tarasov, S. Yu.; Filippov, Andrey; Савченко, Н. Л.; Фортуна, С. В.; Рубцов, В. Е.; Колубаев, Е. А.; Psakhie, S. G.

doi:10.1007/s00170-018-2643-0

Cited by 77 publications

(14 citation statements)

References 11 publications

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“…The product quality of the WEAM process is influenced by the acceleration voltage, the beam current, the travel speed, the beam diameter, the track overlap ratio, the deposition path, the interpass time, the interlayer dwell time, the wire feeding direction, the feeding angle, the wire tip position, etc., as shown in Fig. 9 [24,46,62,71,72,218,219,[221][222][223][224]. However, so far a few research works on the effects of deposition parameters have been carried out to improve the product quality and the deposition efficiency for WEAM.…”

Section: Effects Of Deposition Parametersmentioning

confidence: 99%

“…Kovalchuk and Ivaishin [63] investigated the influence of the deposition length on the residual distortion for the xBeam process. Tarasov et al [222] examined the effects of the deposition path on microstructure, crystalline lattice parameter and residual strain for the deposition of 304 stainless steel using an experimental EBAM machine. Denlinger et al [223] developed a thermomechanical analysis method based on a finite element analysis to estimate residual stress and distortion of the EBAM process for Ti-6Al-4V.…”

Section: Effects Of Deposition Parametersmentioning

confidence: 99%

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Directed Energy Deposition (DED) Process: State of the Art

Ahn

2021

Int. J. of Precis. Eng. and Manuf.-Green Tech.

368

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Metal additive manufacturing technologies, such as powder bed fusion process, directed energy deposition (DED) process, sheet lamination process, etc., are one of promising flexible manufacturing technologies due to direct fabrication characteristics of a metallic freeform with a three-dimensional shape from computer aided design data. DED processes can create an arbitrary shape on even and uneven substrates through line-by-line deposition of a metallic material. Theses DED processes can easily fabricate a heterogeneous material with desired properties and characteristics via successive and simultaneous depositions of different materials. In addition, a hybrid process combining DED with different manufacturing processes can be conveniently developed. Hence, researches on the DED processes have been steadily increased in recent years. This paper reviewed recent research trends of DED processes and their applications. Principles, key technologies and the state-of-the art related to the development of process and system, the optimization of deposition conditions and the application of DED process were discussed. Finally, future research issues and opportunities of the DED process were identified.

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Section: Effects Of Deposition Parametersmentioning

confidence: 99%

Section: Effects Of Deposition Parametersmentioning

confidence: 99%

Directed Energy Deposition (DED) Process: State of the Art

Ahn

2021

Int. J. of Precis. Eng. and Manuf.-Green Tech.

368

View full text Add to dashboard Cite

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“…It has been seen that most of the studies for this process are still for the realization of new materials such as for titanium, stainless steel, Inconel, aluminum, etc., which are focused on material and mechanical characterization (Yu et al, 2009;Kolubaev et al, 2018). For a wire-based process, residual stress has always been a problem due to large heat deposition, which has also been studied for the EB-based process (Denlinger et al, 2015;Tarasov et al, 2018). Figure 15 presents a research trend in EB-based powder-bed AM processes.…”

Section: Research Statusmentioning

confidence: 99%

Review on electron beam based additive manufacturing

Negi

Nambolan

Kapil

et al. 2019

RPJ

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Purpose Electron beam-based additive manufacturing (EBAM) is an emerging technology to produce metal parts layer-by-layer. The purpose of this paper is to systematically address the research and development carried out for this technology, up till now. Design/methodology/approach This paper identifies several aspects of research and development in EBAM. Findings Electron beam has several unique advantages such as high scanning speed, energy efficiency, versatility for several materials and better part integrity because of a vacuum working environment. Originality/value This paper provides information on different aspects of EBAM with the current status and future scope.

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“…Interpass deformation may be one of the most effective methods against the epitaxial growth of large columnar grains [23][24][25][26][27]. However, tuning the heat input may be effective too [28], and would be less tedious and labor consuming. Another remedy may be found in using the heat input that is exponentially changing as a function of the build-up metal height [29].…”

Section: Introductionmentioning

confidence: 99%

Heat Input Effect on Microstructure and Mechanical Properties of Electron Beam Additive Manufactured (EBAM) Cu-7.5wt.%Al Bronze

et al. 2021

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Electron beam additive wire-feed deposition of Cu-7.5wt.%Al bronze on a stainless-steel substrate has been carried out at heat input levels 0.21, 0.255, and 0.3 kJ/mm. The microstructures formed at 0.21 kJ/mm were characterized by the presence of both zigzagged columnar and small equiaxed grains with 10% of Σ3 annealing twin grain boundaries. No equiaxed grains were found in samples obtained at 0.255 and 0.3 kJ/mm. The zigzagged columnar ones were only retained in samples obtained at 0.255 kJ/mm. The fraction of Σ3 boundaries reduced at higher heat input values to 7 and 4%, respectively. The maximum tensile strength was achieved on samples obtained with 0.21 kJ/mm as tested with a tensile axis perpendicular to the deposited wall’s height. More than 100% elongation-to-fracture was achieved when testing the samples obtained at 0.3 kJ/mm (as tested with a tensile axis coinciding with the wall’s height).

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Effect of heat input on phase content, crystalline lattice parameter, and residual strain in wire-feed electron beam additive manufactured 304 stainless steel

Cited by 77 publications

References 11 publications

Directed Energy Deposition (DED) Process: State of the Art

Directed Energy Deposition (DED) Process: State of the Art

Review on electron beam based additive manufacturing

Heat Input Effect on Microstructure and Mechanical Properties of Electron Beam Additive Manufactured (EBAM) Cu-7.5wt.%Al Bronze

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