Mechanical Behavior of PBXW-128 and PBXN-110 under Uniaxial and Multiaxial Compression at Different Strain Rates and Temperatures

Authors : Özgen Ü. ÇOLAK

Pages : 55-66

Doi:10.3906/sag-1204-80

View : 10 | Download : 5

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :The influence of strain rate, temperature and confining pressure on the mechanical behavior of PBXN-110 binder ``inert`` insert ignore into journalissuearticles values(HTPB, Hydroxy-terminated Polybutadiene); and PBXW-128 simulant ``inert`` that is mixed with small particles of sugar, approximately 50% by weight, is presented. The polymer PBXN-110 is used as the matrix for the particle reinforced polymer composite insert ignore into journalissuearticles values(PBXW-128);; the latter is the mock or inert equivalent of actual explosive material. The stress-strain response of both polymeric materials under uniaxial compression is dependent on the strain rate. On the other hand, it is observed that PBXW-128 exhibits temperature dependent behavior, while the mechanical response of PBXN-110 is not significantly affected at temperatures above the glass transition temperature. Compression experiments in the presence of confining pressure reveal that the stress-strain responses of both materials are rate insensitive.
Keywords : Polymeric materials, Rate dependency, Temperature effect, Compression, Confining pressure