48 research outputs found
Grain refinement in a Cu-Cr-Zr alloy during multidirectional forging
Structural changes during plastic deformation were studied in a Cu-0.3%Cr-0.5%Zr alloy subjected to multidirectional forging up to a total strain of 4 at the temperatures of 300 K and 673 K. The deformation behavior was characterized by a rapid increase in the flow stress at an early deformation followed by a steady-state flow at large strain. The development of the new ultrafine grains resulted from the progressive increase in the misorientations of the strain-induced low-angle boundaries, which evolve into high-angle boundaries with increasing cumulative strain through a strain-induced continuous reaction that is quite similar to continuous dynamic recrystallizatio
Deformation microstructures and tensile properties of an austenitic stainless steel subjected to multiple warm rolling
The deformation microstructures of a 316L-type austenitic stainless steel subjected to multiple bar rolling to a total strain of 2 at temperatures of 773-1173 K and their effect on the mechanical properties at ambient and elevated temperatures were studie
On the strength of a 316L-Type Stainless steel subjected to cold or warm rolling followed by Annealing
The ultrafine-grained microstructures and their effect on the yield strength of a 316L-type austenitic stainless steel processed by large strain cold/warm rolling and subsequent annealing were studied. A kind of continuous recrystallization developed during annealing, resulting in the evolution of uniform ultrafine-grained microstructures with relatively high residual dislocation densitie
Impact toughness of an S700MC-type steel: Tempforming vs ausforming
The effect of different thermomechanical treatments, i.e., ausforming and tempforming, on the microstructure and mechanical properties including impact fracture behavior of high-strength low-carbon S700MC-type steel was investigate
Deformation microstructures and tensile properties of an austenitic stainless steel subjected to multiple warm rolling
The deformation microstructures of a 316L-type austenitic stainless steel subjected to multiple bar rolling to a total strain of 2 at temperatures of 773-1173 K and their effect on the mechanical properties at ambient and elevated temperatures were studie
Formation of bimodal microstructure in A 316L-type austenitic stainless steel
The formation of bimodal microstructure in a 316L austenitic steel subjected to large strain cold rolling and subsequent annealing and its effect on the mechanical properties were studied. The cold rolling was accompanied by the strain-induced martensitic transformation and grain refinemen
Grain refinement in a Cu-Cr-Zr alloy during multidirectional forging
Structural changes during plastic deformation were studied in a Cu-0.3%Cr-0.5%Zr alloy subjected to multidirectional forging up to a total strain of 4 at the temperatures of 300 K and 673 K. The deformation behavior was characterized by a rapid increase in the flow stress at an early deformation followed by a steady-state flow at large strain. The development of the new ultrafine grains resulted from the progressive increase in the misorientations of the strain-induced low-angle boundaries, which evolve into high-angle boundaries with increasing cumulative strain through a strain-induced continuous reaction that is quite similar to continuous dynamic recrystallizatio
Advanced thermo-mechanical theatment of bimetallic semi-products composed by S700MC and 316L steels
The microstructure and mechanical properties of high strength low-carbon steel, an austenitic stainless steel and the bimetallic semi-product produced from these steels were investigated. Two steels, an S700MC-type high strength low-carbon steel and a 316L-type austenitic stainless steel, were used as the layer materials for bimetallic semi-product, which was produced by electro-slag claddin
Structural strengthening of an austenitic stainless steel subjected to warm-to-hot working
The effect of multiple rolling in the temperature interval of 500-1000 °C on the micro structure and the tensile behaviour of an austenitic stainless steel was studied. The structural changes during warm-to-hot working were characterized by the elongation of original grains towards the rolling axis and the development of new fine grains. The relationship between the deformation microstructures and the tensile behaviour is discussedyesBelgorod State Universit