From the initial laboratory successes in 1968, the process of mechanical alloying has been developed into a well-controlled production operation over the years, and applied to develop varieties of materials. Being a new field, there is a wealth of recent scientific literature available but all information is scattered. This book tries to address this problem and is aimed at undergraduates, postgraduates and material scientists and engineers who want to have in-depth knowledge in this field. The book is also designed to serve as an introductory and refreshment reference tool for manufacturing engineers actively involved in mechanical alloying.
Author(s): P R Soni
Year: 1999
Language: English
Pages: 200
Contents......Page 8
PREFACE......Page 11
1.1 HISTORY......Page 13
1.2 BENEFITS OF MECHANICAL ALLOYING......Page 15
2.1 ALLOYING MILLS......Page 18
2.2 THE PROCESS......Page 27
2.3 FACTORS AFFECTING......Page 31
3.1 REACTION MILLING......Page 37
3.3 REPEATED ROLLING......Page 38
3.4 DOUBLE MECHANICAL ALLOYING......Page 40
3.5 REPEATED POWDER FORGING......Page 41
4 PROCESS CONTROL AGENTS IN MECHANICAL ALLOYING......Page 43
5.1 ALLOYING......Page 47
5.2 METASTABLE PHASE FORMATION......Page 52
5.3 ACTIVATION OF SOLID STATE CHEMICAL REACTION......Page 63
6 ENERGY TRANSFER AND ENERGY MAPS IN MECHANICAL ALLOYING......Page 67
7.1 CONSOLIDATION TECHNIQUES......Page 70
7.2 THERMOMECHANICAL TREATMENTS......Page 74
8.1 TENSILE PROPERTIES......Page 77
8.3 CREEP......Page 81
8.4 SCC SUSCEPTIBILITY......Page 82
9.2 MECHANISTIC MODELS......Page 84
9.3 ATOMISTIC MODELS......Page 99
9.4 THERMODYNAMIC AND KINETIC MODELS......Page 101
10.1 WELDING......Page 103
10.2 BRAZING......Page 105
10.3 FORGED BONDING......Page 106
11.2 MECHANICAL ALLOYING OF RAPIDLY SOLIDIFIED POWDERS......Page 108
12.1 NICKEL-BASE SUPERALLOYS......Page 115
12.2 MA STEELS......Page 119
12.3 ALUMINIUM-BASE MATERIALS......Page 123
12.4 COPPER-BASE MATERIALS......Page 131
12.5 TITANIUM SYSTEM......Page 133
12.6 MAGNESIUM-BASE MATERIALS......Page 135
12.7 SUPERSATURATED SOLUTIONS......Page 137
12.8 MAGNETIC MATERIALS......Page 138
12.9 MA POWDERS FOR SPRAY-COATINGS......Page 141
12.11 TRIBOLOGICAL MATERIALS......Page 142
12.12 COMPOSITES......Page 146
12.13 AMORPHOUS SOLIDS......Page 148
12.14 NANOCRYSTALLINE MATERIALS......Page 149
12.15 MECHANICALLY ACTIVATED CHEMICAL REACTIONS......Page 150
CONCLUSIONS......Page 152
LIST OF SYMBOLS......Page 157
Index......Page 159
