TY JOUR TI DAMAGE DYNAMIC OF POLYMER FIRE RESISTANCE COMPOSITE AT IMPACT AND FRICTION WHIS NANOSUND RESOLUTION KW fire-resistant polymer composite KW fracture with nanosecond resolution JO NATURAL AND MAN-MADE RISKS (PHYSICO-MATHEMATICAL AND APPLIED ASPECTS) AU Vettegren, V.I. AU Lyachkov, A.I. AU Shcherbakov, I.P. PY 2015 IS 2015 PB Saint-Petersburg University of State Fire Service of Emercom of Russia