本书采用图说的方式，围绕着国内外太空中3D打印技术的应用和构想展望进行阐述，包括四部分、八个章节的内容。其中，第一部分主要介绍3D打印的概念和目前主要的3D打印技术，阐述了为什么要在太空中发展3D打印技术、与地面的区别以及所面临的挑战，并介绍了目前主流的3D打印技术；第二部分主要介绍了在轨3D打印的技术现状和一些应用实例；第三部分主要介绍太空中的3D打印所使用的新材料和新技术的应用情况；第四部分则描述了未来太空中3D打印的发展展望，以及3D打印对未来星际旅行中航天员生存、医疗和飞行任务等物资的自我补给的技术构想。
Chapter 1 What is 3D Printing in Space 1
1.1 What is 3D Printing 2
1.2 Why We Print Satellites and Other Spacecraft 4
1.3 What is the Difference Between 3D Printing in Space and on the Ground 7
1.4 Challenges Faced by 3D Printing in Space 8
1.5 Prospects of 3D Printing in Space 9
Chapter 2 Existing 3D Printing Technologies 11
2.1 Fused Deposition Modeling Technology 11
2.2 Electron Beam Freeform Fabrication Technology 13
2.3 Selective Laser Sintering Technology 15
2.4 Stereolithography Technology 17
2.5 Concentrated Solar Power Technology 19
Chapter 3 3D Printing of Artificial Satellites and Rockets 21
3.1 Materials Suitable for Use in Space 21
3.1.1 ABS Plastic 22
3.1.2 New High Polymer Compound Materials 24
3.1.3 MetalMaterials 25
3.1.4 Piezoelectric Materials 29
3.2 3D Printed Satellite Components 30
3.2.1 3D Printed Filters 32
3.2.2 3D Printed Antennas 34
3.2.3 3D Printed Loop Heat Pipe 36
3.2.4 3D Printed Atmospheric Spectrometer Mirror 37
3.2.5 New Welding Technology Based on 3D Printing 38
3.3 3D Printing of Satellite Structure 39
3.4 3D Printed Rockets 43
3.4.1 3D Printing Rocket Engine Components 44
3.4.2 Existing 3D Printed Rockets 49
3.4.3 3D Printed Rocket Launch and Landing Devices 50
3.5 3D Printed Engine Components 51
3.6 3D Printed Small Satellites 52
Chapter 4 On-Orbit 3D Printing 57
4.1 Challenges Faced by Spacecraft and Others in On-Orbit 3D Printing 59
4.2 Microgravity 3D Printing Equipment 61
4.3 In-Orbit 3D Printing of Composite Materials 62
4.4 On-Orbit 3D Printing of Satellite Components 64
4.5 On-Orbit Recycling ofMaterials 65
4.6 On-Orbit Construction and Assembly 67
4.6.1 On-Orbit Construction 3D Printer Arm 67
4.6.2 In-Orbit Construction of Large Space Trusses 68
4.6.3 In-Orbit Repair of Large Space Equipment 72
4.7 In-Orbit 3D Printed Satellites 72
Chapter 5 3D Printing in Deep Space Exploration 75
5.1 Challenges Faced by 3D Printing of Lunar and Other Planetary Bases 76
5.2 Where Does the Raw Material Needed for Printing Planetary Bases Come From 77
5.3 Latest Developments in 3D Printing Technology for Lunar Bases in Various Countries 80
5.3.1 China’s Lunar Base Development Concept and 3D Printing Technology 80
5.3.2 NASA’s Lunar Base 3D Printing Technology 82
5.3.3 European Space Agency’s Lunar Base 3D Printing Technology 88
5.4 3D Printing inMars Base 91
5.4.1 Mars Life Health and Exploration Mission 91
5.4.2 Mars Dune Alpha 92
5.4.3 In-Situ 3D Printing of Mars Base 93
5.5 3D Printing in Deep Space Exploration Instruments 94
5.6 New Materials Suitable for Deep Space Exploration Under Extreme Temperature Environments 97
Chapter 6 New Materials for Space 3D Printing 101
6.1 3D Printing of Metallic Materials 101
6.1.1 Heterogeneous Dual Metal 3D Printing 101
6.1.2 3D Printing of Large Copper Parts 103
6.1.3 3D Printing of Iron Nickel Metal 104
6.1.4 3D Printing of Titanium Metal 106
6.1.5 3D Printing of Metal Ceramic Parts 107
6.1.6 Stainless Steel 3D Printing 107
6.2 3D Printing of Composite Materials 108
6.2.1 On-Orbit Recycling and Reuse of 3D Printed Plastics 108
6.2.2 Printing Bricks with Artificial Lunar Dust 109
6.2.3 Printing Concrete with Urea and Artificial Lunar Dust 110
6.2.4 Printing Filters with Silicon Carbide 112
6.3 3D Printing of Biomimetic Materials 112
6.3.1 3D Printing of Bones and Skin 112
6.3.2 3D Printing of Blood Vessels 113
6.3.3 Emergency Bioprinter 113
6.3.4 3D Printing Ensures Astronaut Life Systems 114
6.4 Status of PrintingMaterials 117
6.4.1 Heat Resistance of 3D Printed Metal 117
6.4.2 Laser 3D Printing X-ray Imaging 118
6.4.3 Surface Condition of 3D Printing 118
Chapter 7 Technical Applications of Space 3D Printing 121
7.1 High-Temperature Resistant 3D Printing Technology 121
7.1.1 3D Printing of High-Temperature Resistant Nozzles 121
7.1.2 3D Printed Platinum Alloy Thruster Chamber 123
7.1.3 3D Printed Insulation Technology 123
7.2 Complex Structure 3D Printing Technology 124
7.2.1 3D Printed High Complexity Rocket Turbo-Pump 124
7.2.2 3D Printing of Complex Aircraft Icing Shapes 125
7.2.3 3D Printing of High-Precision Gas Identification Telescopes 127
7.2.4 3D Printing of a Complete Storable Thrust Chamber 127
7.3 High Utilization of 3D Printing Technology 129
7.3.1 3D Printing Aids in the Search for Black Holes 129
7.3.2 Building a Lunar Base with 3D Printing 130
7.3.3 3D Printing Helps Fight “COVID-19” 132
7.3.4 3D Printing of Astronaut Medical Tools 134
7.4 Integrated 3D Printing Technology 135
7.4.1 3D Printed Miniature Sensors 135
7.4.2 3D Printed Miniature Satellite Body 136
7.5 Lightweight 3D Printing Technology 136
7.5.1 Lightweight 3D Printed Components 137
7.5.2 3D Printed Metal Microwave Devices 138
7.5.3 Integrated 3D Printed Satellite Bracket 140
Chapter 8 Future Development of 3D Printing in Space 143
8.1 3D Printing of Food in Space 143
8.2 Resupply of Spaceship Parts During Interstellar Travel 144
8.3 What to Do if an Astronaut Gets Seriously Ill During Interstellar Travel 146
8.4 3D Printing of Space Landers 150
Main Sources of Information 153
Bibliography 155
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