Smoke Suppression in Electron Beam Melting of Inconel 718 Alloy Powder Based on Insulator–Metal Transition of Surface Oxide Film by Mechanical Stimulation

In powder bed fusion–electron beam melting, the alloy powder can scatter under electron beam irradiation. When this phenomenon—known as smoking—occurs, it makes the PBF-EBM process almost impossible. Therefore, avoiding smoking in EBM is an important research issue. In this study, we aimed to clarif...

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Veröffentlicht in:	Materials 2021-08, Vol.14 (16), p.4662
Hauptverfasser:	Chiba, Akihiko, Daino, Yohei, Aoyagi, Kenta, Yamanaka, Kenta
Format:	Artikel
Sprache:	eng
Schlagworte:	Additive manufacturing Alloy powders Ball milling Chemical composition Direct current Electrical properties Electron beam melting Electron irradiation Heating High temperature Lattice strain Nickel Nickel base alloys Optimization Oxide coatings Particle size Photoelectrons Powder beds R&D Research & development Residual stress Room temperature Scanning electron microscopy Smoking Spectrum analysis Stimulation Superalloys Temperature Titanium alloys
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