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El. knyga: Metallic Amorphous Alloy Reinforcements in Light Metal Matrices

  • Formatas: PDF+DRM
  • Serija: SpringerBriefs in Materials
  • Išleidimo metai: 24-Feb-2015
  • Leidėjas: Springer International Publishing AG
  • Kalba: eng
  • ISBN-13: 9783319150161
  • Formatas: PDF+DRM
  • Serija: SpringerBriefs in Materials
  • Išleidimo metai: 24-Feb-2015
  • Leidėjas: Springer International Publishing AG
  • Kalba: eng
  • ISBN-13: 9783319150161

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This book presents cutting-edge research on the design and development of novel, advanced high-strength, light-weight materials via the incorporation of novel reinforcements— metallic amorphous alloys/bulk metallic glasses (BMG)—in light metal matrix composites (LMMCs) based on Al and Mg. The book begins with an introduction to conventional ceramic reinforced light metal matrix composites, along with the major drawbacks which limit their application. Metallic amorphous alloys/Bulk Metallic Glasses (BMG) are new class of metallic materials that are distinctly differently from conventional metals/alloys in terms of their structure and thermal behavior, and exhibit extremely high strength (1 to 2 GPa) and large elastic strain limit (1 to 2%). Given these unique properties, upon their incorporation into Al/Mg-matrices, they will provide superior interfacial properties—i.e. high degree of compatibility with the matrix due to their metallic nature—when compared to conventional ceramic reinforcements, and thereby significantly enhance the mechanical performance of LMMCs. Amorphous/BMG reinforced LMMCs is an emerging research field and the existing literature is meager. This book discusses the various processing methods that would be suitable for these novel materials. A comparison of mechanical properties and strengthening mechanisms of amorphous/BMG reinforced composites with those of conventional ceramic composites will be presented. Future research directions and wider research potential of the novel materials will be discussed, and prospective applications in the automotive, aerospace, sports and consumer electronics industries highlighted. For ease of understanding and comparison, appropriate schematics, tables, and figures will be provided.
1 Introduction
1(6)
1.1 Background
1(1)
1.2 Metal Matrix Composites
2(2)
1.2.1 Processing of MMCs/LMMCs
2(1)
1.2.2 Properties, Applications, and Limitations of MMCs/LMMCs
3(1)
1.3 Metallic Amorphous Alloys
4(3)
References
5(2)
2 Light Metal Matrix Composites
7(52)
2.1 Background
7(1)
2.2 Characteristics of MMCs
8(5)
2.2.1 Importance of Interfacial Bonding
11(1)
2.2.2 Role of the Metallic Matrix
12(1)
2.3 Processing of LMMCs
13(18)
2.3.1 Liquid-State Processes
13(8)
2.3.2 Solid State Processes
21(4)
2.3.3 Semisolid State Processes
25(3)
2.3.4 Other Processes
28(3)
2.4 Strengthening Mechanisms in LMMCs
31(3)
2.4.1 Strength Prediction
32(1)
2.4.2 Fracture Mechanisms
33(1)
2.5 Microstructural and Mechanical Properties of LMMCs
34(19)
2.5.1 Al-Composites
34(6)
2.5.2 Mg Composites
40(13)
2.6 Limitations
53(6)
References
53(6)
3 Amorphous Alloys/Bulk Metallic Glasses (BMG)
59(26)
3.1 Background
59(8)
3.1.1 Formation and Characteristics of Amorphous Alloys/ BMG
60(7)
3.2 Preparation Methods
67(5)
3.2.1 Rapid Solidification Processes
67(2)
3.2.2 Methods for Producing BMG
69(1)
3.2.3 Mechanical Alloying
70(2)
3.3 Structural, Thermal, and Mechanical Properties
72(8)
3.4 Limitations
80(5)
References
82(3)
4 Light Metal Matrix Composites with Amorphous Alloys/Bulk Metallic Glass Reinforcements (BMG)
85(22)
4.1 Introduction
85(1)
4.2 Synthesis, Matrix Reinforcement Selection, and Properties
86(19)
4.2.1 Liquid State Processing: Infiltration Method
86(3)
4.2.2 Solid State Processing: Powder Metallurgy-Based Methods
89(15)
4.2.3 Other Methods/Systems
104(1)
4.3 Conclusions
105(2)
References
105(2)
5 Future Work
107(2)
5.1 Future Research and Applicative Prospects
107(2)
Index 109