Influence of Deformation and Thermal Effects on the Formation of Metastable Structural States in Fe–18 Cr–10 Ni Alloy
Physics of Atomic Nuclei(2023)
Abstract
The effects of heat treatment with continuous laser radiation on samples of the Fe–18Cr–10Ni alloy of the austenitic-martensitic class that have undergone preliminary megaplastic torsional deformation in the Bridgman chamber are investigated. It is established that the combined application of deformation (deformation in the Bridgman chamber) and thermal (laser heating) effects to the alloy forms the structure of metastable austenite (γ phase), which differs from stable austenite in higher strength characteristics. The nature of this phenomenon is discussed.
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Key words
megaplastic deformation,thermal heat treatment,metastable austenite,strength characteristics,defect structure
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