Forgeabilité des aciers inoxydables austéno-ferritiques

tel-00672279, version 1 - 21 Feb 2012
Chapter IV. STRAIN PARTITIONING 103
Austenitic stainless steel Duplex stainless steel
a) b)
c) d)
e) f)
Figure IV.5. Results provided by the modified microgrid technique on model stainless steel alloys:
austenitic (deformed at 900°C) and duplex (deformed at 850°C); a) & b) microgrids before deformation;
c) & d) microgrids after deformation; e) & f) Green-Lagrange equivalent strain Maps [97].