Laser powder bed fusion of metals is a technology that makes use of a laser beam to selectively melt metal powder layer-by-layer in order to fabricate complex geometries in high performance materials. The technology is currently transforming aerospace and biomedical manufacturing and its adoption is widening into other industries as well, including automotive, energy, and traditional manufacturing. With an increase in design freedom brought to bear by additive manufacturing, new opportunities are emerging for designs not possible previously and in material systems that now provide sufficient performance to be qualified in end-use mission-critical applications. After decades of research and development, laser powder bed fusion is now enabling a new era of digitally driven manufacturing.
Fundamentals of Laser Powder Bed Fusion of Metals will provide the fundamental principles in a broad range of topics relating to metal laser powder bed fusion. The target audience includes new users, focusing on graduate and undergraduate students; however, this book can also serve as a reference for experienced users as well, including senior researchers and engineers in industry. The current best practices are discussed in detail, as well as the limitations, challenges, and potential research and commercial opportunities moving forward.
1. Fundamentals of Laser Powder Bed Fusion of Metals - p. i 2. Cover - p. i 3. Additive Manufacturing Materials and Technologies Series Edited by Ma Qian - p. ii 4. Title Page - p. iii 5. Copyright Page - p. iv 6. Table of Contents - p. iv 7. Contributors - p. xiii 8. Editors' bios - p. xvii 9. Foreword - p. xix 10. Preface - p. xxi 11. 1 Historical background - p. 1 12. 2 Basics of laser powder bed fusion - p. 15 13. 3 A step-by-step guide to the L-PBF process - p. 39 14. 4 Physics and modeling - p. 79 15. 5 Design principles - p. 119 16. 6 Porosity in laser powder bed fusion - p. 155 17. 7 Surface roughness - p. 179 18. 8 Microstructure of L-PBF alloys - p. 215 19. 9 Residual stress in laser powder bed fusion - p. 245 20. 10 Non-destructive testing of parts produced by laser powder bed fusion - p. 277 21. 11 Process monitoring of laser powder bed fusion - p. 301 22. 12 Post-processing - p. 327 23. 13 Structural integrity I - p. 349 24. 14 Structural integrity II - p. 377 25. 15 Structural integrity III - p. 395 26. 16 Lattice structures made by laser powder bed fusion - p. 423 27. 17 Bio-inspired design - p. 467 28. 18 Powder characterization—methods, standards, and state of the art - p. 491 29. 19 New materials development - p. 529 30. 20 Recent progress on global standardization - p. 563 31. 21 Industrial applications - p. 583 32. 22 Economic feasibility and cost-benefit analysis - p. 597 33. 23 Current state and future trends in laser powder bed fusion technology - p. 621 34. 24 Case study - p. 635 35. Index - p. 645
Laser powder bed fusion of metals is a technology that makes use of a laser beam to selectively melt metal powder layer-by-layer in order to fabricate complex geometries in high performance materials. The technology is currently transforming aerospace and biomedical manufacturing and its adoption is widening into other industries as well, including automotive, energy, and traditional manufacturing. With an increase in design freedom brought to bear by additive manufacturing, new opportunities are emerging for designs not possible previously and in material systems that now provide sufficient performance to be qualified in end-use mission-critical applications. After decades of research and development, laser powder bed fusion is now enabling a new era of digitally driven manufacturing.
Fundamentals of Laser Powder Bed Fusion of Metals will provide the fundamental principles in a broad range of topics relating to metal laser powder bed fusion. The target audience includes new users, focusing on graduate and undergraduate students; however, this book can also serve as a reference for experienced users as well, including senior researchers and engineers in industry. The current best practices are discussed in detail, as well as the limitations, challenges, and potential research and commercial opportunities moving forward.
1. Fundamentals of Laser Powder Bed Fusion of Metals - p. i 2. Cover - p. i 3. Additive Manufacturing Materials and Technologies Series Edited by Ma Qian - p. ii 4. Title Page - p. iii 5. Copyright Page - p. iv 6. Table of Contents - p. iv 7. Contributors - p. xiii 8. Editors' bios - p. xvii 9. Foreword - p. xix 10. Preface - p. xxi 11. 1 Historical background - p. 1 12. 2 Basics of laser powder bed fusion - p. 15 13. 3 A step-by-step guide to the L-PBF process - p. 39 14. 4 Physics and modeling - p. 79 15. 5 Design principles - p. 119 16. 6 Porosity in laser powder bed fusion - p. 155 17. 7 Surface roughness - p. 179 18. 8 Microstructure of L-PBF alloys - p. 215 19. 9 Residual stress in laser powder bed fusion - p. 245 20. 10 Non-destructive testing of parts produced by laser powder bed fusion - p. 277 21. 11 Process monitoring of laser powder bed fusion - p. 301 22. 12 Post-processing - p. 327 23. 13 Structural integrity I - p. 349 24. 14 Structural integrity II - p. 377 25. 15 Structural integrity III - p. 395 26. 16 Lattice structures made by laser powder bed fusion - p. 423 27. 17 Bio-inspired design - p. 467 28. 18 Powder characterization—methods, standards, and state of the art - p. 491 29. 19 New materials development - p. 529 30. 20 Recent progress on global standardization - p. 563 31. 21 Industrial applications - p. 583 32. 22 Economic feasibility and cost-benefit analysis - p. 597 33. 23 Current state and future trends in laser powder bed fusion technology - p. 621 34. 24 Case study - p. 635 35. Index - p. 645
