Acknowledgements ............................................... ix
1 Introduction ................................................. 1
1.1 Historical Development of Diamond Tools ................. 2
1.2 Classification of Diamond Tools ......................... 4
References .................................................. 16
2 Machining with Diamonds - Theoretical Model ................. 21
2.1 Circular Sawing ........................................ 22
2.2 Frame Sawing ........................................... 27
2.3 Wire Sawing ............................................ 28
2.4 Core Drilling .......................................... 31
2.5 Concluding Remarks ..................................... 32
References .................................................. 35
3 Diamond Tool Design and Composition ......................... 39
3.1 The Effect of Tool Design on its Performance ........... 40
3.2 Metal Matrix Selection ................................. 42
3.3 Diamond Grit Selection ................................. 55
References .................................................. 64
4 Diamond Tool Fabrication .................................... 69
4.1 Powder Metallurgy ...................................... 70
4.2 Finishing Operations ................................... 81
References .................................................. 84
5 Microstructure of the Matrix ................................ 87
5.1 Processing to Near-full Density ........................ 88
5.2 Grain Size ............................................. 92
5.3 Recovery and Recrystallisation ......................... 94
5.4 Phase Composition ...................................... 96
References ................................................. 102
6 Mechanical Properties of the Matrix ........................ 105
6.1 Hardness .............................................. 107
6.2 Yield Strength ........................................ 108
6.3 Bending Strength ...................................... 110
6.4 Impact Strength ....................................... 110
References ................................................. 112
7 Wear Properties of the Matrix .............................. 113
7.1 Resistance to Abrasive Wear ........................... 114
7.2 Resistance to Erosive Wear ............................ 120
7.3 The Role of Diamond ................................... 123
References ................................................. 125
8 Main Application Areas and Operating Guidelines for
Diamond-Impregnated Tools .................................. 129
8.1 Sawing ................................................ 130
8.2 Drilling .............................................. 138
8.3 Grinding and Polishing ................................ 143
References ................................................. 147
Subject Index ................................................. 149
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