SUPERPLASTICITY OF METALS IN MODERN ENGINEERING AND TECHNOLOGY
Volokitina I.E.
2024G.V. Kurdyumov Institute for Metal Physics of N.A.S. of Ukraine
Progress in Physics of Metals
2024#25Issue 3570 - 599 pp.
Currently, studies of structural superplasticity (SP) are of great interest, since the use of this mode in metalworking technologies allows for the production of parts of various shapes in one operation (with high repetition accuracy of even very complex shapes), while requiring less energy and material resources (relatively low pressures and tool wear) compared to deformation in the ‘normal plasticity’ mode. Other advantages of using a structural SP are improved physical and mechanical characteristics of the finished product: better surface quality after deformation, high ductility at elevated temperatures, increased strength at temperatures close to room one without reducing ductility (most often there is an increase in ductility), increased cyclic strength, hardness, impact resistance, elevated corrosion-resistance durability, and absence of anisotropy of properties after superplastic deformation.
corrosion resistance , diffusion creep , dislocations , grain boundaries , mechanical characteristics , superplastic deformation , superplasticity
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