Listar por autor "Kermanidis, A. T."
Mostrando ítems 1-12 de 12
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Effect of austenite stability on fatigue performance of TRIP 700 steel
Haidemenopoulos, G. N.; Kermanidis, A. T.; Malliaros, C.; Dickert, H. H.; Kucharzyk, P.; Bleck, W. (2013)The role of austenite stability on fatigue performance of low-alloy TRIP steel 700 has been experimentally investigated. Heat treatment process was used to produce varying microstructures, characterized by different initial ... -
Effect of corrosion on the mechanical behaviour of aircraft aluminum alloys
Pantelakis, S. G.; Kermanidis, A. T. (2009)A brief overview of aircraft aluminum alloys, along with a discussion of their susceptibility to corrosion and the various types of corrosion damage is provided. The significance of the effect of corrosion on mechanical ... -
Effects of temper condition and corrosion on the fatigue performance of a laser-welded Al-Cu-Mg-Ag (2139) alloy
Kermanidis, A. T.; Zervaki, A. D.; Haidemenopoulos, G. N.; Pantelakis, S. G. (2010)The effects of temper condition and corrosion on the fatigue behavior of a laser beam welded Al-Cu-Mg-Ag alloy (2139) have been investigated. Natural aging (T3 temper) and artificial aging (T8 temper) have been applied ... -
Evidence on the corrosion-induced hydrogen embrittlement of the 2024 aluminium alloy
Petroyiannis, P. V.; Kamoutsi, E.; Kermanidis, A. T.; Pantelakis, S. G.; Bontozoglou, V.; Haidemenopoulos, G. N. (2005)The present work aims to provide evidence of corrosion-induced hydrogen embrittlement of the aircraft aluminium alloy 2024. An extensive experimental investigation involving metallographic and fractographic analyses as ... -
Fatigue crack growth and remaining life assessment of 2024 aluminum with variation in microstructure
Kermanidis, A. T.; Pantelakis, S. G. (2010)The LTSM-F crack growth model is implemented in the present work for the assessment of crack growth and remaining fatigue life of 2024 aluminium alloy with different microstructure. The effect of microstructure in the crack ... -
Fatigue failure investigation of pre-corroded and laser-welded Al-Cu-Mg-Ag Alloy with different temper condition
Zervaki, A. D.; Kermanidis, A. T.; Haidemenopoulos, G. N.; Pantelakis, S. G. (2010)The fatigue failure mechanisms of pre-corroded, laser beam welded Al-Cu-Mg-Ag alloy in different temper conditions (T3,T8) have been investigated. Aging influences the corrosion behavior of laser welds. In the T3 temper, ... -
Fatigue of materials - Influence of microstructure and processing effect of overaging on fatigue crack propagation of 2024 T3 aluminum alloy
Tzamtzis, A. T.; Kermanidis, A. T. (2013)The effect of controlled overaging on fatigue crack propagation (Stage II) in 2024-T3 aluminum alloy was experimentally investigated. Overaging was performed by subjecting the material from initial T3 state to appropriate ... -
Fatigue performance of pre-corroded 6xxx aluminum alloy laser beam welds with dissimilar heat treatment
Kermanidis, A. T.; Zervaki, A. D.; Modas, V.; Chamos, A. N.; Pantelakis, Sp G. (2014)The role of existing corrosion damage on the fatigue performance of 6156 AA laser beam welds in T3 state, with additional post weld heat treatment T8, has been assessed. The welds were subjected to salt fog environment for ... -
Improvement of fatigue crack growth resistance by controlled overaging in 2024-T3 aluminium alloy
Tzamtzis, A.; Kermanidis, A. T. (2014)A controlled overaging process is proposed to increase region II fatigue crack propagation resistance of 2024-T3 aluminium alloy. Overaging was achieved by subjecting the material from the initial T3 state to heat treatment ... -
The influence of salt fog exposure on the fatigue performance of Alclad 6xxx aluminum alloys laser beam welded joints
Kermanidis, A. T.; Zervaki, A. D.; Haidemenopoulos, G. N.; Pantelakis, S. G. (2010)Laser welding is increasingly used for the fabrication of lightweight and cost-effective integral stiffened panels in modern civil aircraft. As these structures age in service, the issue of the effect of corrosion on their ... -
On the effect of austenite stability on high cycle fatigue of TRIP 700 steel
Haidemenopoulos, G. N.; Kermanidis, A. T.; Malliaros, C.; Dickert, H. H.; Kucharzyk, P.; Bleck, W. (2013)The high cycle fatigue behavior and the role of austenite stability on fatigue performance of low-alloy TRIP steel 700 have been experimentally investigated. The material was subjected to heat treatment in order to produce ... -
Prediction of crack growth following a single overload in aluminum alloy with sheet and plate microstructure
Kermanidis, A. T.; Pantelakis, S. (2011)The fatigue crack growth behavior under constant amplitude and under single overload of 2024 aluminum alloy in sheet and plate product form has been investigated. Constant amplitude fatigue crack growth tests showed superior ...