Additive manufacturing of metal alloys 1 : processes, raw materials and numerical simulation / / coordinaed by Patrice Peyre, Eric Charkaluk

• Record Nr.: UNINA9910830297603321
• Pubbl/distr/stampa: London : , : ISTE, , [2022]; ©2022
• ISBN: 1-394-16338-X; 1-394-16336-3
• Descrizione fisica: 1 online resource (277 pages)
• Collana: Materials science. Processes in materials science.
• Disciplina: 621.988
• Soggetti: Additive manufacturing; Alloys
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Nota di contenuto: Cover -- Half-Title Page -- Title Page -- Copyright Page -- Contents -- Introduction -- 1. Metal Additive Manufacturing Processes -- 1.1. The DED-LMD process -- 1.1.1. Process overview -- 1.1.2. Basic elements -- 1.1.3. Overview of process parameters and their influence -- 1.1.4. Thermal cycles induced by the process -- 1.1.5. Types of materials involved -- 1.1.6. Microstructures of manufactured or repaired parts -- 1.1.7. Industrial systems -- 1.2. The L-PBF process -- 1.2.1. Distinction between sintering and laser melting -- 1.2.2. Manufacturer interests and requirements -- 1.2.3. Process principle and basic elements -- 1.2.4. Types of materials involved -- 1.2.5. Presentation and influence of the process operating parameters -- 1.2.6. Comparison of the L-PBF process and DED process -- 1.2.7. Design and manufacturing method of a part -- 1.2.8. Area of stable melt-pool suitable for construction -- 1.2.9. Optimization of L-PBF manufacturing of 3D parts -- 1.3. Electron powder bed fusion -- 1.3.1. Introduction -- 1.3.2. Implementation of the E-PBF process -- 1.3.3. Optimization of melting conditions and characteristic defects -- 1.3.4. Other characteristics of the E-PBF process -- 1.3.5. Partial conclusion regarding E-PBF -- 1.4. The deposition of matter via WAAM -- 1.4.1. Arc/wire additive manufacturing technologies -- 1.4.2. WAAM process parameters -- 1.4.3. Use of materials -- 1.4.4. Residual stresses and ; distortions -- 1.4.5. Finishing process -- 1.4.6. Digital chain: online control -- 1.4.7. Conclusion -- 1.5. Emerging processes -- 1.5.1. Indirect fabrication by selective laser sintering and infiltration -- 1.5.2. Indirect manufacture via metal binder jetting -- 1.5.3. Direct manufacture in the solid state without melting -- 1.6. Conclusion -- 1.7. References -- 2. Raw Materials: Metal Powders and Wires -- 2.1. Metal powders.; 2.1.1. Introduction -- 2.1.2. Producing powders -- 2.1.3. Physico-chemical properties of powders -- 2.1.4. Rheological properties of powders -- 2.1.5. Influence of powders on processes and final properties -- 2.1.6. Standardization -- 2.1.7. Summary -- 2.2. Metal wires -- 2.2.1. Introduction -- 2.2.2. Wire production -- 2.2.3. Use of filler wires in AM -- 2.2.4. Influence of wires on processes and final properties -- 2.2.5. Summary -- 2.3. References -- 3. The Physics of Metal Additive Manufacturing Processes -- 3.1. The energy-powder-fusion zone interaction in additive laser fusion processes -- 3.1.1. Introduction -- 3.1.2. Reminder of the essential physical variables -- 3.1.3. Radiation absorption and heat transfer: different interaction regimes for different processes -- 3.1.4. Local thermal cycles: influence of boundary conditions -- 3.1.5. Hydrodynamics of fusion zones and associated faults -- 3.1.6. Partial conclusion regarding the physics of laser additive manufacturing processes -- 3.2. The physics of the E-PBF process -- 3.2.1. Introduction -- 3.2.2. Reminder of the essential physical variables characteristic of the electron-matter interaction -- 3.2.3. The phenomena induced during the electron-matter interaction -- 3.2.4. Energy absorption in the powder in E-PBF -- 3.2.5. Description of the fusion zone in E-PBF and associated defects -- 3.2.6. Partial conclusion regarding E-PBF -- 3.3. Physics of the wire arc additive manufacturing process -- 3.3.1. Reminder of the essential physical variables -- 3.3.2. Arc-wire-deposit interaction -- 3.3.3. Form of deposits and associated defects -- 3.4. Conclusion -- 3.5. References -- 4. Numerical Simulation of Additive Manufacturing Processes -- 4.1. Thermo-hydrodynamic simulation -- 4.1.1. Description of physical phenomena -- 4.1.2. Modeling of heat source -- 4.1.3. Modeling of material input.; 4.1.4. Numerical methods for deposition modeling -- 4.1.5. Modeling of heat and mass transfer in the melt-pool -- 4.1.6. Examples of thermo-hydrodynamic simulations -- 4.2. Thermomechanical simulation -- 4.2.1. Whole-part simulation: different techniques -- 4.2.2. Heat transfer resolution -- 4.2.3. Metallurgical resolution -- 4.2.4. Mechanical resolution -- 4.2.5. Coupling -- 4.2.6. Application at the mesoscopic scale: local manufacturing stresses -- 4.2.7. Application at the macroscopic scale -- 4.2.8. Software and calculation codes dedicated to additive manufacturing -- 4.3. Conclusion -- 4.4. References -- Conclusion -- Abbreviations -- List of Authors -- Index -- EULA.