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[×ÊÔ´] þºÏ½ðÒ±½ðµÄ»ù´¡ Fundamentals of magnesium alloy metallurgy ºÃÊéÄÑÇ󣬻¶Ó­Î§¹Û

Fundamentals of magnesium alloy metallurgy

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þºÏ½ðÒ±½ðµÄ»ù´¡ Fundamentals of magnesium alloy metallurgy ºÃÊéÄÑÇ󣬻¶Ó­Î§¹Û
Contents  
1    Primary production of magnesium    1
R.  NEELAMEGGHAM, IND LLC, USA
1.1  Introduction  1
1.2  Raw  materials  and  production  methods  3
1.3  Chemistry  of  extraction  of  magnesium  from  raw  material  7
1.4  Fused  salt  electrolysis  11
1.5  Impurity  removal  chemistry  in  thermal  processing  12
1.6  Process  equipment  15
1.7  Melting,  refi ning  and  casting  magnesium  21
1.8  Magnesium  alloy  powder  23
1.9  Future  trends  24
1.10  Conclusion  27
1.11  References  27
2    Physical metallurgy of magnesium    33
A.  A.  KAYA, Mugla University, Turkey
2.1  Introduction  33
2.2  Crystal  structure  and  its  consequences  34
2.3  Plastic  deformation  behaviour  of  magnesium  and  its  alloys  41
2.4  Critical  resolved  shear  stress  (CRSS),  slip  and  twinning  42
2.5  Fatigue  behaviour  49
2.6  Creep  behaviour  52
2.7  Recrystallization  and  grain  growth  66
2.8  Future  trends  73
2.9  References  73
Contents  
vi Contents
© Woodhead Publishing Limited, 2013
3    Thermodynamic properties of magnesium alloys    85
S. L. SHANGand Z. K. LIU, Pennsylvania State
University, USA
3.1  Introduction  85
3.2  Fundamentals  of  thermodynamics  86
3.3  Thermodynamic  properties  of  Mg  alloys  and  compounds  92
3.4  First-principles  thermodynamics  of  Mg  alloys
and  compounds  96
3.5  Future  trends  115
3.6  Acknowledgements  116
3.7  References  116
4    Understanding precipitation processes in
magnesium alloys    125
C. L. MENDIS, Helmholtz Zentrum Geesthacht, Germany
(formerly of National Institute for Materials Science, Japan)
and K. HONO, National Institute for Materials Science, Japan
4.1  Introduction  125
4.2  Precipitation  from  supersaturated  solid  solution  126
4.3  Precipitation  hardening  magnesium  based  alloy  systems  138
4.4  Role  of  precipitation  hardening  in  the  development
of  high  strength  magnesium  alloys  145
4.5  Conclusions  and  future  trends  146
4.6  Sources  of  further  information  and  advice  148
4.7  References  148
5    Alloying behavior of magnesium and alloy design    152
M.  PEKGULERYUZ, McGill University, Canada
5.1  Introduction  152
5.2  Alloy  design:  solid  solution  alloying  of  magnesium  153
5.3  Alloy  design:  compound  formation  in  magnesium  alloys  161
5.4  The effects of second phases on the mechanical
behavior  of  magnesium  173
5.5  Alloying  with  surface-active  elements  177
5.6  Alloying  elements  and  their  effects  184
5.7  Summary:  magnesium  alloy  design  to  enhance  properties  187
5.8  References  189
Contents vii
© Woodhead Publishing Limited, 2013
6    Forming of magnesium and its alloys    197
M.R.  BARNETT, Deakin University, Australia
6.1  Introduction  197
6.2  Testing  for  formability  199
6.3  Deformation  mechanisms  and  formability  200
6.4  Yield  characteristics  and  drawability  205
6.5  Work  hardening  and  stretching  212
6.6  Failure  strain  behaviour,  compression,  rolling
and  bending  217
6.7  Superplastic  deformation  and  hot  forming  223
6.8  Hot  cracking  and  extrusion  224
6.9  Conclusions:  key  issues  affecting  the  formability
of  magnesium  225
6.10  Future  trends  226
6.11  References  226
7    Corrosion and surface finishing of magnesium
and its alloys    232
S.  BENDER, iLF Institut f ¨¹ r Lacke und Farben e.V,
Germany, J. G Ö LLNER, Otto von-Guericke University
of Magdeburg, Germany, A. HEYN, Federal Institue for
Materials Research and Testing (BAM), Germany,
C. BLAWERTand P. BALASRINIVASAN, Helmholtz-Zentrum
Geesthacht, Germany
7.1  Introduction  232
7.2  Magnesium  corrosion  in  aqueous  media  233
7.3  Surface  fi nishing  242
7.4  Implications  for  improving  corrosion  resistance
and  future  trends  256
7.5  Conclusions  257
7.6  References  258
8    Applications: aerospace, automotive and
other structural applications of magnesium    266
A.  A.  LUO, General Motors Global Research &
Development, USA
8.1  Introduction  266
8.2  Material  properties  267
viii Contents
© Woodhead Publishing Limited, 2013
8.3  Alloy  development  274
8.4  Manufacturing  process  development  282
8.5  Aerospace  applications  287
8.6  Automotive  applications  289
8.7  Other  applications  301
8.8  Future  trends  303
8.9  Acknowledgements  310
8.10  References  310
9    Applications: magnesium-based metal matrix
composites ( MMCs )   317
H.  DIERINGA, Helmholtz-Zentrum Geesthacht, Germany
9.1  Introduction  317
9.2  Reinforcements  for  magnesium  metal  matrix
composites  (MMCs)  318
9.3  Processing  of  magnesium  composites  323
9.4  Interfaces,  wetting  and  compatibility  326
9.5  Properties  of  magnesium-based  MMCs  328
9.6  Conclusions  and  future  trends  339
9.7  References  339
10    Applications: use of magnesium in medical
applications    342
F.  WITTE, Hannover Medical School, Germany
10.1  Introduction  to  biodegradable  implants  based  on  metals  342
10.2  Fundamental  concepts  of  biodegradation  345
10.3  Magnesium-based  biodegradable  metals  348
10.4  Recent  research  and  future  product  development  350
10.5  Sources  of  further  information  and  advice  352
10.6  References  353
10.7  Appendix:  list  of  abbreviations  355
Index  357
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