Metal Powder-Based Additive Manufacturing

Kun Zhou , Changjun Han 지음

Wiley-VCH 2023년 05월 17일 출간

작품소개

책소개

Metal Powder—Based Additive Manufacturing Highly comprehensive resource covering all key aspects of the current developments of metal powder—based additive manufacturing Metal Powder—Based Additive Manufacturing provides valuable knowledge and critical insights regarding the recent advances in various metal powder—based additive manufacturing techniques. This book also reviews typical powder preparation processes and highlights the significance of metal powder—based additive manufacturing for various industrial applications. The key features covered in this book: A rigorous overview of the underlying theories and practical applications of metal powder—based additive manufacturing techniques, including laser powder bed fusion, electron beam melting, laser-based directed energy deposition, and metal binder jetting. An expansive introduction of each technique and its significance pertaining to the printing processes, metallurgical defects, powder materials, equipment, and the microstructures and mechanical properties of the printed parts. A deep exploration of the preparation processes of metal powders for additive manufacturing and the effects of different processes on the powder properties. Comprehensive case studies of parts printed by metal powder—based additive manufacturing for various industrial applications. By providing extensive coverage of relevant concepts in the field of metal powder—based additive manufacturing, this book highlights its essential role in Industry 4.0 and serves as a valuable resource for scientists, engineers, and students in materials science, powder metallurgy, physics, and chemistry. The rich research experience of the authors in additive manufacturing ensures that the readers are provided with both an in-depth understanding and informative technical guidance of metal powder—based additive manufacturing.

목차

Biography ix Preface xi 1 Introduction 1 1.1 History and Fundamentals of AM 1 1.2 AM Techniques 2 1.3 Metal Powder Based AM 8 1.4 Post-Processing 8 1.4.1 Surface Quality Improvement 9 1.4.2 Residual Stress Relief and Defect Reduction 11 1.4.3 Aesthetic Improvement 11 1.5 Powder Properties and Characterization Methods 12 1.5.1 Particle Morphology 12 1.5.2 Particle Size Distribution 14 1.5.3 Density 15 1.5.4 Flowability 16 1.5.5 Chemical Composition 18 1.5.5.1 Surface Analysis Methods 18 1.5.5.2 Bulk Analysis Methods 18 1.5.6 Microstructure 19 1.6 Challenges and Future Trends of Metal Powder Based AM 21 1.7 Summary 23 References 23 2 Metal Powder Preparation Processes 27 2.1 Atomization 27 2.1.1 Gas Atomization 28 2.1.2 Water Atomization 35 2.1.3 Plasma Atomization 38 2.1.4 Plasma Rotating Electrode Process 41 2.2 Mechanical Mixing 44 2.3 Reduction Process 50 2.3.1 Hydride Dehydride Process 50 2.3.2 Oxide Reduction 53 2.3.3 Chloride Reduction 56 2.3.4 Carbonyl Reactions 57 2.4 Powder Modification 58 2.4.1 Plasma Spheroidization 58 2.4.2 Granulation Sintering Deoxygenation 61 2.4.3 Fluidized-bed Granulation 64 2.5 Summary 65 References 67 3 Laser Powder Bed Fusion 75 3.1 History 75 3.2 Fundamentals 76 3.3 Printing Process 81 3.3.1 Melt Pool 82 3.3.2 Balling 86 3.3.3 Spattering 88 3.4 Metallurgical Defects 91 3.4.1 Porosity 91 3.4.2 Cracks and Warpage 96 3.5 Powder Materials 102 3.6 Equipment 106 3.7 Typical Materials Used in LPBF 109 3.7.1 Titanium and Its Alloys 109 3.7.2 Aluminum Alloys 121 3.7.3 Nickel Alloys 126 3.7.4 Iron Alloys 129 3.7.5 Others 132

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저자(글) Kun Zhou

저자(글) Changjun Han