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Wrought Aluminum Alloys

  • Toshiro Kobayashi
Chapter

Abstract

Researches on strengthening and toughening of aluminum alloys have been made actively especially in fields related to aircraft industry. Recently, applications on automobiles, vehicles and construction have progressed and safety under dynamic loading is especially required. On the other hand, strength of conventional aluminum alloys has saturated at the strength level of about 650 MPa of the high strength 7075 alloy (Extra Super Duralumin system) for a long time; more strengthening is desired. Therefore, fracture of aluminum alloys has become a salient issue and fracture mechanical analysis is generally applied. It is known that even if there is some difference in the amount of fracture works, the fracture of aluminum alloys is essentially ductile; it is a process of nucleation, growth and coalescence of voids (dimples). To understand the relationship between fracture behavior and microstructure of an alloy is a key factor for considering suitable alloy design and high strengthening.

Keywords

Aluminum Alloy Fracture Toughness Stress Corrosion Crack Slip Band Crack Extension 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Japan 2004

Authors and Affiliations

  • Toshiro Kobayashi
    • 1
  1. 1.Toyohashi University of TechnologyToyohashi AichiJapan

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