Forming is a process of changing the form of solid body using plastic deformation, while it's mass stays constant. During plastic deformation, also a process of hardening and microstructure transformations are going on in the material. Consequently, mechanical properties of the product change.
The purpose of the study is to explain the theoretical background of the phase transformation from austenite to martensite in austenitic stainless steels. Special emphasis is on transformations in the material during plastic deformation at cryogenic conditions and changes of the ferromagnetic properties. Procedures of the magnetic phase content measuring and different ways of cooling and measurin of temperature are taken into account.
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