The effect of nitrogen on the coarsening rate of precipitate phases in iron-based alloys with chromium and vanadium: experimental and theoretical investigations
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Abstract
A comparison of the coarsening of nitrogen-rich vanadium precipitates and the coarsening of carbon-rich vanadium precipitates is presented. The precipitate phases are studied experimentally, via fabrication of model alloys, and theoretically, via simulations utilizing the DICTRA software. The experimental investigations indicate that the nitrogen-rich precipitates exhibit a slower coarsening behaviour than the carbon-rich precipitates. Analysis using thermodynamic and kinetic modelling shows that this can be explained by the higher thermodynamic stability of the nitrogen-rich precipitate compared to the carbon-rich precipitate. The calculated coarsening rates are compared with the measured rates, and found to be in satisfactory agreement using reasonable values for the interfacial energies. The investigations are motivated by the fine precipitate size distribution of nitrides and carbonitrides characteristic for high nitrogen alloyed tool steels produced by means of powder metallurgy.
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Articles in the same Issue
- Contents
- Contents
- Original Contributions
- Martensite transformation of sub-micron retained austenite in ultra-fine grained manganese transformation-induced plasticity steel
- Isothermal transformation of β-phase in Cu-rich Cu-Al-Sn alloys
- The effect of nitrogen on the coarsening rate of precipitate phases in iron-based alloys with chromium and vanadium: experimental and theoretical investigations
- Phase diagram investigation of the Sn-InxAgyCuz (x:y:z = 7:2:1) section in the Ag-In-Sn-Cu system
- Grain refinement and mechanical properties of low-carbon steel by means of equal channel angular pressing and annealing
- Thermophysical properties of solid phase palladium over a wide temperature range
- Magnetic properties of Nd-Fe-Co-Al rapid solidification alloys
- Synthesis of Ir1-xRex (0.15 ≤ x ≤ 0.40) solid solutions under high-pressure and high-temperature
- Preparation and magnetic characterization of Fe/metal oxide nanocomposite particles by means of hydrogen reduction assisted ultrasonic spray pyrolysis (USP-HR)
- Biofilm formation and corrosion resistance of Ni/SiC nanocomposite layers
- Characterization of electrospun fibrous scaffold produced from Indian eri silk fibroin
- Hydrothermal synthesis of nano nickel phosphides and investigation of their thermal stability
- Effects of PVP and CTAB surfactants on the morphology of cerium oxide nanoparticles synthesized via co-precipitation method
- DGM News
- DGM News
Articles in the same Issue
- Contents
- Contents
- Original Contributions
- Martensite transformation of sub-micron retained austenite in ultra-fine grained manganese transformation-induced plasticity steel
- Isothermal transformation of β-phase in Cu-rich Cu-Al-Sn alloys
- The effect of nitrogen on the coarsening rate of precipitate phases in iron-based alloys with chromium and vanadium: experimental and theoretical investigations
- Phase diagram investigation of the Sn-InxAgyCuz (x:y:z = 7:2:1) section in the Ag-In-Sn-Cu system
- Grain refinement and mechanical properties of low-carbon steel by means of equal channel angular pressing and annealing
- Thermophysical properties of solid phase palladium over a wide temperature range
- Magnetic properties of Nd-Fe-Co-Al rapid solidification alloys
- Synthesis of Ir1-xRex (0.15 ≤ x ≤ 0.40) solid solutions under high-pressure and high-temperature
- Preparation and magnetic characterization of Fe/metal oxide nanocomposite particles by means of hydrogen reduction assisted ultrasonic spray pyrolysis (USP-HR)
- Biofilm formation and corrosion resistance of Ni/SiC nanocomposite layers
- Characterization of electrospun fibrous scaffold produced from Indian eri silk fibroin
- Hydrothermal synthesis of nano nickel phosphides and investigation of their thermal stability
- Effects of PVP and CTAB surfactants on the morphology of cerium oxide nanoparticles synthesized via co-precipitation method
- DGM News
- DGM News