Low-cycle fatigue properties of TiAl alloy with high Nb content
-
Tomáš Kruml
, Karel Obrtlík , Martin Petrenec and Jaroslav Polák
Abstract
The low-cycle fatigue properties of TiAl alloy with 8 at.% of Nb with nearly fully lamellar microstructure were studied at room temperature and 750 °C and compared with those reported in literature for a previous class of TiAl alloys with 2 at.% of Nb. Hardening/softening curves, cyclic stress – strain curves (CSSC) and fatigue life curves were obtained at both temperatures. The material shows stable cyclic stress – strain response. Parameters of the CSSC, of the Manson – Coffin law and of the Basquin law were determined. Bilinear dependence is used to approximate the Manson – Coffin plot and the Basquin plot at 750 °C.
References
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© 2009, Carl Hanser Verlag, München
Articles in the same Issue
- Contents
- Contents
- Editorial
- 11th ISPMA in Prague
- Feature
- Physical aspects of plastic deformation in Mg–Al alloys with Sr and Ca
- Review
- Fe–Al materials for structural applications at high temperatures: Current research at MPIE
- Basic
- Very high cycle fatigue behaviour of as-extruded AZ31, AZ80, and ZK60 magnesium alloys
- Phase composition and morphology development in WE-type alloys modified by high Zn content
- Microstructural investigation of the failure mechanisms after creep exposure of Mg–Y–Nd–Zn–Mn alloy
- Theoretical investigation of phase equilibria by the continuous displacement cluster variation method
- Alloying behaviour of binary transition metal systems
- Surface composition of a Ag-5.1Cu (mass%) alloy
- Temperature and strain rate dependent flow criterion for bcc transition metals based on atomistic analysis of dislocation glide
- Strain-hardening behaviour of AZ31 magnesium alloys
- Bauschinger effect in thin metal films simulated by the continuum dislocation-based model
- Core structure of screw dislocations in hcp Ti: an ab initio DFT study
- Long-range internal stresses in monotonically and cyclically deformed metallic single crystals
- Energetic formulation of nonlocal crystal plasticity
- Austenite–martensite interfaces in strained foils of CuAlNi alloy
- Mechanical anisotropy and ideal strength in a multifunctional Ti–Nb–Ta–Zr–O alloy (Gum Metal)
- Low-cycle fatigue properties of TiAl alloy with high Nb content
- Mechanism and kinetics of the intermediary phase formation in Ti–Al and Ti–Al–Si systems during reactive sintering
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- Structural and phase transformations in Zr and Zr–Nb alloys under loading by spherical converging stress waves
- Influence of titanium volume fraction on the mechanical properties of Mg–Ti composites
- Applied
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- Annealing effects after various thermo-mechanical treatments on microstructure and mechanical properties of the wrought magnesium alloy AZ80
- Vacancy–solute interaction in magnesium alloy WE54 during artificial ageing: a positron annihilation spectroscopy study
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- Microstructure of a ternary Al–Pd–Rh alloy
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- Quantitative characterization of the orientation spread within individual grains in copper after tensile deformation
- Effect of crystallization on the deformation behavior of a Zr-based bulk metallic glass
- Changes in structure and properties of carbide-steel cermets resulted from a heat treatment
- Comparative study of the high-temperature behaviour of Mg–Al and Mg–Zn wrought alloys
- Notification
- DGM News
Articles in the same Issue
- Contents
- Contents
- Editorial
- 11th ISPMA in Prague
- Feature
- Physical aspects of plastic deformation in Mg–Al alloys with Sr and Ca
- Review
- Fe–Al materials for structural applications at high temperatures: Current research at MPIE
- Basic
- Very high cycle fatigue behaviour of as-extruded AZ31, AZ80, and ZK60 magnesium alloys
- Phase composition and morphology development in WE-type alloys modified by high Zn content
- Microstructural investigation of the failure mechanisms after creep exposure of Mg–Y–Nd–Zn–Mn alloy
- Theoretical investigation of phase equilibria by the continuous displacement cluster variation method
- Alloying behaviour of binary transition metal systems
- Surface composition of a Ag-5.1Cu (mass%) alloy
- Temperature and strain rate dependent flow criterion for bcc transition metals based on atomistic analysis of dislocation glide
- Strain-hardening behaviour of AZ31 magnesium alloys
- Bauschinger effect in thin metal films simulated by the continuum dislocation-based model
- Core structure of screw dislocations in hcp Ti: an ab initio DFT study
- Long-range internal stresses in monotonically and cyclically deformed metallic single crystals
- Energetic formulation of nonlocal crystal plasticity
- Austenite–martensite interfaces in strained foils of CuAlNi alloy
- Mechanical anisotropy and ideal strength in a multifunctional Ti–Nb–Ta–Zr–O alloy (Gum Metal)
- Low-cycle fatigue properties of TiAl alloy with high Nb content
- Mechanism and kinetics of the intermediary phase formation in Ti–Al and Ti–Al–Si systems during reactive sintering
- Influence of the dynamic crystallization conditions on the martensitic transformation in the Ti40.7Hf9.5Ni39.8Cu10 shape memory alloy
- Isostructural phase transition in hexagonal Ce1–xYxPdAl compounds
- Structural and phase transformations in Zr and Zr–Nb alloys under loading by spherical converging stress waves
- Influence of titanium volume fraction on the mechanical properties of Mg–Ti composites
- Applied
- Effects of prior homogenization treatments on microstructure development and mechanical properties of the extruded wrought magnesium alloy ZK60
- Annealing effects after various thermo-mechanical treatments on microstructure and mechanical properties of the wrought magnesium alloy AZ80
- Vacancy–solute interaction in magnesium alloy WE54 during artificial ageing: a positron annihilation spectroscopy study
- FeAl-based alloys cast in an ultrasound field
- High-temperature mechanical properties of Fe-40 at.% Al based intermetallic alloys with C or Ti addition
- The influence of dispersoids on the recrystallization of aluminium alloys
- High-rate plastic deformation of a copper single crystal under loading by spherical converging shock waves
- Hardening and softening in an Mg–Al–Ca matrix alloy reinforced with short graphite fibres
- Deformation behaviour of microcrystalline magnesium reinforced by alumina nano- and microparticles
- Thresholds in creep of magnesium alloy AX41 composites reinforced with short fibers
- Recovery processes in magnesium alloy AX41 and AX41-12 vol.% C-fibre composite studied by dilatometry
- Directional crystallisation of Ti–Al–Si in-situ composites
- Microstructure and mechanical properties of the AA6082 aluminium alloy with small additions of Sc and Zr
- Microstructure of a ternary Al–Pd–Rh alloy
- Effect of annealing on microstructure and properties of twin-roll-cast Al–Mn alloys with different copper content
- Quantitative characterization of the orientation spread within individual grains in copper after tensile deformation
- Effect of crystallization on the deformation behavior of a Zr-based bulk metallic glass
- Changes in structure and properties of carbide-steel cermets resulted from a heat treatment
- Comparative study of the high-temperature behaviour of Mg–Al and Mg–Zn wrought alloys
- Notification
- DGM News