Locally Austempered Ductile Iron (LADI)

Heat treatment process from Applied Process permits localized austempering of cast iron.

April 2, 2010
Applied Process
Aplogo 10177008

Applied Process, Inc. along with Ajax Tocco Magnethermic Corp., ThyssenKrupp Waupaca, Inc., and Linamar Corp. offer a new surface austemper heat treatment process called Locally Austempered Ductile Iron (LADI).

  • Induction based heat treatment process allows localized regions of a cast iron components to be austempered
  • Reportedly improves wear properties and contact fatigue strength over similar surface hardening heat treatments
  • Developed utilizing unalloyed grades of ductile iron allowing for reduced casting cost and increased machine tool life
  • Validated as a material process combination for automotive camshafts; powertrain components, gears, ground engaging equipment, wear surfaces could also benefit
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