Li Juguang Wang Shulin

(Engineering College,Ocean University of Qingdao, Qingdao 266003)

Abstract

Deformation and fracture behaviour of particles are strongly influenced by particle size. Based on theenergy consum theory,this paper deals with the fracture mechanism of ultrafine particles.It is illustrated that stress release is the most favourable preparation model.

Keywords：ultrafine particle;fracture mechanism;stress release

DOI：10.13732/j.issn.1008-5548.1998.03.002