Author:
Tsepelev A B,Kiseleva T Yu,Zholudev S I,Kovaleva S A,Grigoryeva T F,Ivanenko I P,Devyatkina E T,Ilyushin A S,Lyakhov N Z
Abstract
Abstract
Effect of electron irradiation on the structural state of a composite material based on ultrahigh molecular weight polyethylene (UHMWPE) and boron carbide particles (B4C) which is a precursor for functional radiation protection materials has been investigated. Composite powder materials were synthesized from industrially available components by the method of mechanochemical activation under conditions of intense shock-shear deformations. Specimens in the form of 2 mm thick composite powder’s pressed plates were irradiated with 2 MeV electrons in air. Studies of changes in the structural and morphological characteristics of the composite samples were carried out by means of scanning electron microscopy, X-ray diffraction, FTIR spectroscopy and differential scanning calorimetry. Effects of electron irradiation on the structure of the composite as a whole and its components were analysed. The analysis of the obtained data showed the resistance of the composite material with respect to the electron irradiation fluence up to 8·1014 cm–2.
Subject
General Physics and Astronomy
Cited by
5 articles.
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