Mechanisms of fracture of PM materials and coatings by impact loadingKallas, Paul; Kulu, Priit; Pirso, Jüri; Tümanok, AlekseiDeformation and fracture in structural PM materials : proceedings of the International Conference held in the Hotel Academia, the High Tatras, Slovakia, October 13-16, 1996. Vol. 21996 / p. 199-209 : ill