A. Astashkin, V. V. Babanov, A. Selivanov, É. A. Tkachenko
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STRUCTURE AND PROPERTIES OF MASSIVE FORGINGS WITH A REDUCED LEVEL OF RESIDUAL STRESSES MADE OF ALUMINUM ALLOY 1933sb OF BALANCED COMPOSITION
Based on the results of comparative studies and tests, the article shows the advantages of massive forgings with a reduced level of residual stresses made of 1933sb alloy balanced composition in comparison with similar serial semi-finished products. Massive forgings with a thickness of 100–150 mm from a 1933sb alloy of a balanced composition have a lower (more than 2 times) level of quenching residual stresses with strength characteristics increased (by 30–40 MPa and higher), especially in the direction of transverse in thickness (more than 10 %), the level of elongation and fracture toughness.
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