Fatigue
Head of the Group
Group Members
M.Eng. Jan Lars Riedel (joint member with Physical Metallurgy)
M.Sc. David Heyerhoff (joint member with Physical Metallurgy)
Dr. Thomas Mann (visiting scientist from USA)
Competence
Some examples of the work of the section Fatigue:
Uniaxial Loading:
- Fatigue behaviour of recyclable high-strength sintering steels
- Structural-mechanical investigations of the influence of the surface layer on the crack initiation and propagation of case-hardened steels
- Deformation and failure behaviour of cast nickel alloys under high medium load
Multiaxial Loading:
- Experimental analysis of the cyclic deformation and damage behaviour of railroad steels under near-service load
- Failure behaviour of notched steel specimen under cyclic loading
- Influence of the frequency and the wave form on the failure behaviour of different steels
Thermal-mechanical Fatigue:
- Isothermal and thermal-mechanical fatigue behaviour of ceramic reinforced cast aluminium alloys
- Thermal and mechanical fatigue of high-temperature aluminium alloys
- Deformation and failure behaviour of combustion chamber alloys under isothermal and thermal-mechanical cyclic loading
- Microstructure, deformation and failure behaviour of metallic materials by superposition of low-frequency thermal–mechanical and high-frequency mechanical loading
- Deformation and failure behaviour of ceramic materials under isothermal and thermal mechanical fatigue loading
- Fatigue behaviour of high-temperature materials under high static basic loading
- Superposition of high and low cycle fatigue loadings
- Fatigue behaviour of a single crystal nickel base superalloy used for aircraft engines
Some examples of the work of the fatigue group
- Thermomechanical treatment of high strength steels in the temperature range of dynamic strain ageing in order to increase the fatigue limit in the very high cycle range (Nf ≈ 109)
- Understanding the influence of surface coatings on the high temperature fatigue behaviour of TiAl-Alloys
- Investigation of the thermomechanical fatigue behaviour of Al- and Ni-base alloys
- Development of methodologies to determine the brittle-ductile transition temperature of intermetallic alloys
- Comparing the fatigue behaviour of additively and conventionally manufactured specimens
