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3. Material deposition under concentrated energy
The principle is to locally project material under a flow of energy in order to reach a complete or partial state of fusion before contact with the support of interest. This support may be a printing plate or a functional mechanical part. The next steps involve spraying molten material on top of the solidified material already deposited, thus building up the desired part or shape in a succession of layers (figure 4 ). The material used can be in powder or wire form. The energy source for fusion can be a laser beam, electron beam or arc plasma. Separation from the printing plate is usually achieved by sawing, followed by post-processing (e.g. heat...
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Material deposition under concentrated energy
Conclusion
Bibliography
Standards and norms
- Additive manufacturing – Design – Requirements, guidelines and recommendations. - NF EN ISO/ASTM 52910 - Mars 2020
- Additive manufacturing – Safety, health and environment – Requirements for metallic materials. - XP E67-006 - Juillet 2020
Regulations
Council Directive 89/391/EEC of June 12, 1989 on the introduction of measures to encourage improvements in the safety and health of workers at work (OJEC L. 183 of June 29, 1989, CELEX :31989L0391).
Directive 2014/34/EU of the European Parliament and of the Council of February 26, 2014 on the harmonization of the laws of the Member States concerning equipment and protective systems intended for use...
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