SYMPOSIA PAPER Published: 01 April 2012
STP153220120009

Effect of the Thermo-Mechanical Processing Characteristics on the Recrystallization of CuZn34 Brass

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The effect of the temperature and the annealing time on the recrystallization characteristics of metals has been widely researched. However, the influence of the deformation history (involving changes in the strain path) on the recrystallization of metals is seldom studied. The aim of this paper was to investigate the effect of the mechanical loading sequence (monotonic and Bauschinger shearing tests), the amount of forward (effective strain of 0.10, 0.20, and 0.30) and reverse strain (effective strain of −0.35, −0.45, and −0.55), and the initial state (as-received and annealed) on the recrystallization kinetics of CuZn34 brass sheets. The softening caused by recrystallization is reduced as the forward and reverse strains applied during the Bauschinger shear tests are increased. For all investigated conditions, the data also revealed that the initial state and the amount of the reverse strain were the main variables on the recrystallization kinetics of CuZn34 brass.

Author Information

Lopes, Wellington
Federal Center of Technological Education of Minas Gerais (CEFET-MG), Minas Gerais, BR
Corrêa, Elaine, Carballo Siqueira
Federal Center of Technological Education of Minas Gerais (CEFET-MG), Minas Gerais, BR
Campos, Haroldo, Béria
Mechanical Engineering Department, School of Engineering, Federal University of Minas Gerais (UFMG), Minas Gerais, BR
Aguilar, Maria, Teresa Paulino
Materials and Construction Department, School of Engineering, Federal University of Minas Gerais (UFMG), Minas Gerais, BR
Cetlin, Paulo, Roberto
Mechanical Engineering Department, School of Engineering, Federal University of Minas Gerais (UFMG), Minas Gerais, BR
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Details
Developed by Committee: D02
Pages: 113–128
DOI: 10.1520/STP153220120009
ISBN-EB: 978-0-8031-9417-5
ISBN-13: 978-0-8031-7518-1