steel research international · 2011 · 52 citations · 6 references
Natural SciencesMaterials EngineeringMaterials ScienceMetallic MaterialsMetallurgyPhase TransformationsAlloysFerrous MetallurgyMartensitic TransformationsMetalsPhysical MetallurgySteel MaterialsAustenite TransformationDilatometer TestDilatometer TestingMartensite Finish TemperatureMartensite Start TemperatureMartensite TransformationMicrostructureSteel Phase Transformations
Abstract The martensite start temperature (M s ), the martensite austenite re‐transformation start temperature (A s ) and the re‐transformation finish temperature (A f ) of six high alloyed Cr‐Mn‐Ni steels with varying Ni and Mn contents in the wrought and as‐cast state were studied. The aim of this investigation is the development of the relationships between the M s , A s , A f , T 0 temperatures and the chemical composition of a new type of Cr‐Mn‐Ni steels. The investigations show that the M s , A s and A f temperatures decrease with increasing nickel and manganese contents. The A f temperature depends on the amount of martensite. Regression equations for the transformation temperatures are given. The experimental results are based on dilatometer tests and microstructure investigations.
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