K. Linga (KL) Murty < Research Achievements

1
K. Linga (KL) Murtylt Research Achievements
Creep Superplasticity gt
Transitions in deformation mechanisms

• Superplasticity in Zn-Al eutectoid and Pb-Sn
  eutectic
• Class I to Class II transitions in alloys at low
  stresses
• Universality of Harper-Dorn Creep
• In-situ annealing of strain-induced vacancies
  Portevin LeChatelier Effect

climb

• Class-I to Class-II in AlMg at high stresses-
  dislocation break-away from solute locking
  (1973)

glide
2
Transitions in Creep Mechanisms - Examples
Effect of alloying
Class-II Breakaway
Zry vs ZryNb
Application To
Class-I
Class-II
Microelectronic Packaging
H-D
Dangers in blind extrapolation
Nov. 00