1. Department of Polymer EngineeringFaculty of Mechanical Engineering, Budapest University of Technology and Economics Műegyetem rkp. 3. H‐1111 Budapest Hungary
2. Faculty of Technical and Human SciencesSapientia Hungarian University of Transylvania 540485 Târgu‐Mureş Op. 9., Cp. 4 Romania
3. MTA–BME Research Group for Composite Science and Technology Műegyetem rkp. 3. H‐1111 Budapest Hungary