The objective of this book is to systematically describe the application of powder materials in aerospace engineering. It is intended to enable readers to have a deeper understanding of powder materials and their applications， as well as to provide ideas and cases for creating new powder materials and improving existing powder forming technology. The main contents of this book include basic materials for aerospace， basic principles of powder metallurgy， basic principles of powder metallurgy of nanomaterials， powder metallurgy structural materials， hot resisting materials and materials strong to high-temperature， composite materials， friction materials， special-purpose functional materials， new technologies in powder metallurgy， special applications of metal powders. The book serves as a reference for teachers， undergraduates， graduate students， scientific researchers and engineering technicians who are engaged in theoretical and technical research in powder metallurgy， material forming， additive manufacturing and other fields.
Chapter 1 Basic Materials for Aerospace Engineering 001 1.1 Basic Metal Materials Used in Aerospace Engineering 001 1.2 Approaches to Choosing Constructional Materials for Aircraft 003 1.3 Some Examples of Choosing Materials for Specific Plane Units 005 1.4 Role and Place of Materials in Aerospace Engineering 008
Chapter 2 Introduction to Powder Metallurgy 015 2.1 The Properties of Powders 017 2.1.1 Physical Properties 017 2.1.2 Chemical Properties 019 2.2 Production of Sintered Products 021 2.2.1 Powder Preparation 021 2.2.2 Powder Forming 022 2.2.3 Sintering 026 2.3 Additional Processing of Sintered Products 028
Chapter 3 Basic Principles of Powder Metallurgy of Nanomaterials 031 3.1 General Information 031 3.2 Methods of Obtaining Nanopowders 034 3.3 Size Effects in Nanoparticles 035 3.4 Consolidation of Bulk Nanomaterials 037 3.4.1 Pressing of Nanopowders 037 3.4.2 Sintering 041 3.5 Nano-Oriented Surface Treatment Technology 043
Chapter 5 Hot Resisting Materials and Materials Strong to High-Temperature 059 5.1 Refractory Metals and Alloys 060 5.2 Superalloys 063 5.3 Dispersion-Strengthened Materials068 5.4 Metal Refractory Compounds (Intermetallic Compounds)074 5.5 Special Ceramic Materials with High-Temperature Strength 076
Chapter 6 Composite Materials 079 6.1 General Concepts about Composite Materials 079 6.2 Methods of Obtaining Composite Materials 081 6.3 Metal Constructional Composite Materials 082 6.4 Heat-Resistant Composite Materials 085
Chapter 7 Materials for Friction Joints 092 7.1 Introduction to Tribology 092 7.1.1 Basic Terms of Tribology 093 7.1.2 Some Examples of the Influence of Friction on the Operation of Mechanisms 096 7.2 Antifriction Powder Materials 098 7.2.1 Bearing Iron-Based Materials100 7.2.2 Copper Based Materials102 7.2.3 Metal-Polymeric Bearing Materials 104 7.2.4 Nickel-Based Materials 107 7.3 Frictional Powder Materials108 7.3.1 Copper Based Friction Materials 110 7.3.2 Iron-Based Friction Materials 110 7.3.3 Cermets for Aircraft Brakes 112 7.3.4 Composite Materials with Carbon and Ceramic Matrix 113
Chapter 8 Special-Purpose Functional Materials 117 8.1 Concept of Functional Materials, and Their Roles in Engineering 117 8.2 Heavy Alloys 118 8.3 Porous Permeable Materials120 8.3.1 Filters 120 8.3.2 Porous Ionizers 123 8.3.3 Sweating Materials 124 8.3.4 Self-Cooling Sweating Materials 126 8.3.5 Capillary Structures of Heat Pipes 128 8.3.6 Porous Electrodes for Fuel Cells 131 8.4 Stalant Materials 131 8.5 Powder Materials for Electrical and Radio Technical Purposes 134 8.5.1 Optical Ceramics 134 8.5.2 Radio Transparent Materials 140 8.5.3 Magnetic Materials 146
Chapter 9 New Technologies in Powder Metallurgy 150 9.1 Nanomaterials and Nanotechnology 150 9.2 Additive Technology 162 9.3 Severe Plastic Deformation of Sintered Billets 173 9.4 Self-Propagation High-Temperature Synthesis 176 9.5 Metal Injection Molding (Casting) 184
Chapter 10 Special Applications of Metal Powders 189 10.1 Powder Solders 189 10.2 Metal Fuel 191 10.3 Magnetic Fluid 198 10.4 Powders for Magnetic Abrasive Processing 201
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