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Influence of severe plastic deformation and subsequent annealing on creep behaviour of martensitic 9% Cr steel
METAL 2021 Conference Proeedings
The objective of the study is to evaluate the effects of severe plastic deformation (SPD) and annealing on creep behaviour of advanced tungsten modified creep-resistant 9 % Cr martensitic P92 steel. The as-received P92 steel was deformed by high-pressure torsion (HTP), high-pressure sliding (HPS) and rotary swaging (RS) at room temperature prior creep testing. These SPD methods imposed significantly different equivalent plastic strain in the range from 1 up to 20. Constant load creep tests indoi:10.37904/metal.2021.4147 fatcat:hv3drakcdbayde7bzj5ladwese