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E-raamat: Micro and Nanoscale Laser Processing of Hard Brittle Materials

(Researcher, Yan Laboratory, Department of Mechanical Engineering, Keio University, Japan), (Professor, Department of Mechanical Engineering, Keio University, Japan)
  • Formaat: EPUB+DRM
  • Sari: Micro & Nano Technologies
  • Ilmumisaeg: 12-Nov-2019
  • Kirjastus: Elsevier Science Publishing Co Inc
  • Keel: eng
  • ISBN-13: 9780128168806
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  • Formaat: EPUB+DRM
  • Sari: Micro & Nano Technologies
  • Ilmumisaeg: 12-Nov-2019
  • Kirjastus: Elsevier Science Publishing Co Inc
  • Keel: eng
  • ISBN-13: 9780128168806
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Micro and Nanoscale Laser Processing of Hard Brittle Materials examines general laser-material interactions within this type of material, focusing on the nanoprocessing technologies that these phenomena have given rise to. Sections cover laser machining, healing, recovery, sintering, surface modification, texturing and microstructuring. These technologies all benefit from the characteristics of laser processing, its highly localized heating ability, and its well-defined optical properties. The book also describes frontier applications of the developed technologies, thus further emphasizing the possibility of processing hard brittle materials into complex structures with functional surfaces at both the micro and nanoscale.

  • Provides readers with a solid understanding of laser-material interactions
  • Helps readers choose suitable laser parameters for processing hard brittle materials
  • Demonstrates how micro and nanoscale laser processing can be used to machine brittle materials without fracture
Preface xi
1 Introduction
1(16)
1.1 Typical hard brittle materials
1(2)
1.2 Micro- and nanoscale processing technologies for hard brittle materials
3(10)
1.3 Importance of nanoscale laser processing
13(2)
References
15(1)
Further reading
16(1)
2 Fundamentals of laser processing
17(20)
2.1 Introduction
17(1)
2.2 Laser emission
17(4)
2.3 Laser specifications
21(8)
2.4 General applications of specific laser systems
29(3)
2.5 Recent developments
32(1)
References
33(2)
Further reading
35(2)
3 Laser-material interactions
37(16)
3.1 Introduction
37(1)
3.2 Light-matter interactions
37(3)
3.3 Material removal
40(6)
3.4 Melting
46(1)
3.5 Post-irradiation subsurface structure
47(3)
References
50(2)
Further reading
52(1)
4 Laser processing technologies
53(22)
4.1 Introduction
53(1)
4.2 Laser machining
53(3)
4.3 Laser-assisted and combined processes
56(4)
4.4 Laser healing
60(1)
4.5 Laser-induced phase transformation
61(2)
4.6 Laser-induced surface modification
63(2)
4.7 Laser sintering
65(1)
4.8 Laser micro- and nanostructuring
66(4)
References
70(5)
5 Micromachining of single-crystal diamond
75(18)
5.1 Introduction
75(1)
5.2 Laser absorption in transparent SCD
76(1)
5.3 Nonthermal ablation of SCD by ultrashort pulses
76(1)
5.4 Thermally induced responses
77(6)
5.5 Irradiation responses of different types of SCD
83(2)
5.6 Micromachining of SCD tools
85(5)
References
90(2)
Further reading
92(1)
6 Micromachining of microstructures on sapphire
93(16)
6.1 Introduction
93(1)
6.2 Laser processing of sapphire
93(2)
6.3 Formation mechanism of tapered structures
95(9)
6.4 Machining of micropyramid structures
104(1)
6.5 Other changes to surface quality
104(3)
References
107(2)
7 Laser healing of microcracks in glass
109(14)
7.1 Introduction
109(1)
7.2 Formation of cracks in mechanical processes
109(1)
7.3 Laser healing methods
110(2)
7.4 Laser response of individual cracks
112(7)
7.5 Healing a rough surface
119(1)
References
120(3)
8 Laser recovery of silicon single crystals
123(20)
8.1 Introduction
123(1)
8.2 Improvement in surface quality
123(9)
8.3 Laser recovery depth
132(5)
8.4 Laser recovery of curved surfaces
137(4)
References
141(1)
Further reading
142(1)
9 Surface modification of silicon carbide
143(16)
9.1 Introduction
143(1)
9.2 Change in atomic composition
143(2)
9.3 Change in surface roughness
145(2)
9.4 Deposition of oxide particles
147(2)
9.5 Effect of irradiation atmosphere
149(5)
9.6 Potential further applications
154(2)
References
156(3)
10 Modification of surface property of alumina sprayed coating
159(10)
10.1 Introduction
159(1)
10.2 Phase transformation in granular materials
160(2)
10.3 Change in subsurface microstructure
162(2)
10.4 Change in surface hardness
164(2)
10.5 Further applications
166(1)
References
166(3)
11 Laser sintering of silicon powder and carbon nanofibers
169(12)
11.1 Introduction
169(1)
11.2 Silicon-carbon composite anode fabrication
169(5)
11.3 Control of ciystallinity
174(1)
11.4 Application of film electrodes
175(2)
11.5 Powder versus bulk
177(1)
11.6 Effect of laser type
177(1)
References
178(3)
12 Micropillar formation from silicon powder
181(16)
12.1 Introduction
181(1)
12.2 Mechanism of micropillar formation
181(2)
12.3 Factors affecting pillar growth
183(4)
12.4 Pillar crystallinity and internal structure
187(1)
12.5 Application of micropillar electrodes
188(1)
12.6 Further possible applications
189(1)
12.7 Silicon nanoparticle generation
190(4)
References
194(3)
13 Surface nanostructuring of hard brittle materials
197(16)
13.1 Introduction
197(1)
13.2 Simple nanostructures on silicon
197(4)
13.3 Laser-induced periodic surface structure formation
201(7)
13.4 Three-dimensional structures
208(2)
References
210(3)
14 Summary and outlook
213(12)
14.1 Introduction
213(1)
14.2 Guidelines for the application of laser processing
214(2)
14.3 Future challenges in laser processing
216(5)
14.4 Extension to other classes of materials
221(1)
References
221(4)
Index 225
Jiwang Yan is Professor at the Department of Mechanical Engineering at Keio University, Japan, where he heads up the Yan Laboratory. He is also Adjunct Professor at Tokyo Institute of Technology, Japan. His research interests the laser processing of materials, and ultraprecision and micro and nano manufacturing. Nozomi Takayama is a researcher at Yan Laboratory, Department of Mechanical Engineering at Keio University, Japan. Her research interest focus on laser processing.