1. Th. Kermanidis, Sp. Pantelakis, D. Pavlou, “Increase in Hardening of 2024-T42 Aluminum With Fatigue Stress Amplitude”, Theoretical and applied Fracture Mechanics Vol.14 (1990), pp. 43‑47
2. Th. Kermanidis, Sp. Pantelakis, N. Batsoulas, “A Mechanical Rheological Model for the Prediction of the Creep Behaviour of Metallic Materials Under Constant Loading”, Metall Vol. 44 (1990), pp. 1167 -1170
3. D. Tsahalis, Sp. Pantelakis, V. Schulze
“Modelling of the Diaphragm Forming Technique Applied to Continuous Fiber Reinforced Thermoplastics”, In: Proc. of the 11th ASME Winter Annual Meeting, 25 30 Nov., Dallas, Texas, Vol. G00546, 1990, pp. 91-101
4. Sp. Pantelakis, G. Labeas, S. Kalogeropoulos, V. Schulze
“Hot-Forming of Continuous Carbon Fiber Reinforced PEEK”, In: Proc. of the third International Symposium COMP 90, 19 24 Oct. Patras, Greece, 1990, Amatec Publication, pp. 393-399
5. Sp. Pantelakis, D. Tsahalis, Th. Kermanidis, St. Kalogeropoulos
“Experimental Investigation of the Superplastic Forming Technique Using Continuous Carbon Fiber Reinforced PEEK”, In: Proc. of the fourth European Conference on Composite Materials, 25‑28 Sept. Stuttgart, F.R.Germany, 1990, pp. 79‑87