1. Lublin University of Technology, Nadbystrzycka 38a, 20-618 Lublin, Poland
2. Scientific-Practical Material Research Centre NAS of Belarus, P. Brovki 19, 220072 Minsk, Belarus
3. Al-Balqa Applied University, P.O. Box 2041, Amman 11953, Jordan
4. Belarussian State University, Independence 4, 220030 Minsk, Belarus