Abstract
A high-carbon metastable austenite phase was quenched in liquid nitrogen to obtain fresh athermal martensite. Different ageing treatments were performed in order to study the transformation of the martensite phase and the formation of carbides. Neutron diffraction experiments give detailed information on the transformations during the annealing treatment itself. The tetragonal athermal martensite transformed immediately, i. e. during the heating to the ageing temperature, to cubic martensite. Ageing at 400 °C resulted in the decomposition of the austenite in ferrite and carbides and the formation of bainite. Those carbides could be determined as η-carbides transforming in χ-carbides after extended annealing times. As was expected, ageing at 170 °C resulted in the formation of a small amount of η carbides while the austenite phase remained stable.
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© 2006 Carl Hanser Verlag, München
Artikel in diesem Heft
- Contents
- Extended editorial with anecdotes
- Anelastic relaxation and structure of ternary Fe–Al–Me alloys with Me = Co, Cr, Ge, Mn, Nb, Si, Ta, Ti, Zr
- Kinetic study of the β → α + γ transformation reaction in a CuZnAl alloy
- Calorimetric investigation of the binary Cu–In system
- Thermodynamic properties of liquid Cu–In–Zn alloys
- Comparing the thermodynamic behaviour of Al(l) + ZrO2(4% Y2O3) and Al(l) + Al2O3
- Failure-mode dependence of the strengthening effect in Ti3AlC2/10 vol.% Al2O3 composite
- Investigation of Cu-graphite composites prepared by electroforming
- Neutron diffraction analysis of martensite ageing in high-carbon FeCMnSi steel
- Effect of reinforcement size hybridization on the wear properties of SiCp/Cu Composites
- Temperature dependence of lattice mismatch and γ′ volume fraction of a fourth-generation monocrystalline nickel-based superalloy
- Novel combinatorial microstructures in Ti-6Al-4V alloy achieved by an electric-current-pulse treatment
- The Effect of Ti–B and Sr on the mechanical behaviour of the Zinc–Aluminum-based ZA-12 alloy produced by gravity casting
- Determination of retained austenite in multiphase steels by magnetic force microscopy
- Filtration resistance during pressure filtration tests of liquid aluminium alloys
- Microstructure of a Damascene sabre after annealing
- Effect of tin added to the zinc bath on the formation and the microstructure of hot-dip galvanized coatings
- Personal
- Conferences
- Contents
- Editorial
- Extended editorial with anecdotes
- Basic
- Anelastic relaxation and structure of ternary Fe–Al–Me alloys with Me = Co, Cr, Ge, Mn, Nb, Si, Ta, Ti, Zr
- Kinetic study of the β → α + γ transformation reaction in a CuZnAl alloy
- Calorimetric investigation of the binary Cu–In system
- Thermodynamic properties of liquid Cu–In–Zn alloys
- Comparing the thermodynamic behaviour of Al(l) + ZrO2(4% Y2O3) and Al(l) + Al2O3
- Failure-mode dependence of the strengthening effect in Ti3AlC2/10 vol.% Al2O3 composite
- Investigation of Cu-graphite composites prepared by electroforming
- Neutron diffraction analysis of martensite ageing in high-carbon FeCMnSi steel
- Applied
- Effect of reinforcement size hybridization on the wear properties of SiCp/Cu Composites
- Temperature dependence of lattice mismatch and γ′ volume fraction of a fourth-generation monocrystalline nickel-based superalloy
- Novel combinatorial microstructures in Ti-6Al-4V alloy achieved by an electric-current-pulse treatment
- The Effect of Ti–B and Sr on the mechanical behaviour of the Zinc–Aluminum-based ZA-12 alloy produced by gravity casting
- Determination of retained austenite in multiphase steels by magnetic force microscopy
- Filtration resistance during pressure filtration tests of liquid aluminium alloys
- Microstructure of a Damascene sabre after annealing
- Effect of tin added to the zinc bath on the formation and the microstructure of hot-dip galvanized coatings
- Notifications
- Personal
- Conferences
Artikel in diesem Heft
- Contents
- Extended editorial with anecdotes
- Anelastic relaxation and structure of ternary Fe–Al–Me alloys with Me = Co, Cr, Ge, Mn, Nb, Si, Ta, Ti, Zr
- Kinetic study of the β → α + γ transformation reaction in a CuZnAl alloy
- Calorimetric investigation of the binary Cu–In system
- Thermodynamic properties of liquid Cu–In–Zn alloys
- Comparing the thermodynamic behaviour of Al(l) + ZrO2(4% Y2O3) and Al(l) + Al2O3
- Failure-mode dependence of the strengthening effect in Ti3AlC2/10 vol.% Al2O3 composite
- Investigation of Cu-graphite composites prepared by electroforming
- Neutron diffraction analysis of martensite ageing in high-carbon FeCMnSi steel
- Effect of reinforcement size hybridization on the wear properties of SiCp/Cu Composites
- Temperature dependence of lattice mismatch and γ′ volume fraction of a fourth-generation monocrystalline nickel-based superalloy
- Novel combinatorial microstructures in Ti-6Al-4V alloy achieved by an electric-current-pulse treatment
- The Effect of Ti–B and Sr on the mechanical behaviour of the Zinc–Aluminum-based ZA-12 alloy produced by gravity casting
- Determination of retained austenite in multiphase steels by magnetic force microscopy
- Filtration resistance during pressure filtration tests of liquid aluminium alloys
- Microstructure of a Damascene sabre after annealing
- Effect of tin added to the zinc bath on the formation and the microstructure of hot-dip galvanized coatings
- Personal
- Conferences
- Contents
- Editorial
- Extended editorial with anecdotes
- Basic
- Anelastic relaxation and structure of ternary Fe–Al–Me alloys with Me = Co, Cr, Ge, Mn, Nb, Si, Ta, Ti, Zr
- Kinetic study of the β → α + γ transformation reaction in a CuZnAl alloy
- Calorimetric investigation of the binary Cu–In system
- Thermodynamic properties of liquid Cu–In–Zn alloys
- Comparing the thermodynamic behaviour of Al(l) + ZrO2(4% Y2O3) and Al(l) + Al2O3
- Failure-mode dependence of the strengthening effect in Ti3AlC2/10 vol.% Al2O3 composite
- Investigation of Cu-graphite composites prepared by electroforming
- Neutron diffraction analysis of martensite ageing in high-carbon FeCMnSi steel
- Applied
- Effect of reinforcement size hybridization on the wear properties of SiCp/Cu Composites
- Temperature dependence of lattice mismatch and γ′ volume fraction of a fourth-generation monocrystalline nickel-based superalloy
- Novel combinatorial microstructures in Ti-6Al-4V alloy achieved by an electric-current-pulse treatment
- The Effect of Ti–B and Sr on the mechanical behaviour of the Zinc–Aluminum-based ZA-12 alloy produced by gravity casting
- Determination of retained austenite in multiphase steels by magnetic force microscopy
- Filtration resistance during pressure filtration tests of liquid aluminium alloys
- Microstructure of a Damascene sabre after annealing
- Effect of tin added to the zinc bath on the formation and the microstructure of hot-dip galvanized coatings
- Notifications
- Personal
- Conferences