首页|Formation of ultrafine grains and twins in the ?-phase during superplastic deformation of two-phase brasses
Formation of ultrafine grains and twins in the ?-phase during superplastic deformation of two-phase brasses
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NSTL
Elsevier
During superplastic deformation of microduplex-structured brasses, the strain is primarily localized in the beta-phase where deformation occurs by grain boundary sliding (GBS) and dislocation slip/creep mechanisms. Dynamic recrystallization and twinning were observed in the b.c.c. beta-phase leading to a transformation of the initial coarse beta-phase grains with average sizes of -4-5 mu m to ultrafine grains with sizes below 1 mu m. Alloying with Al refined the beta-grains, improved the superplastic behavior and reduced the occurrence of residual cavitation.
NSTL
Elsevier
