On the mechanical behaviours of a craze in particulate-polymer composites

被引:4
作者
Zhang, Y. M. [1 ]
Zhang, W. G. [2 ]
Fan, M. [3 ]
Xiao, Z. M. [1 ]
机构
[1] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore, Singapore
[2] Chongqing Univ, Sch Civil Engn, Chongqing, Peoples R China
[3] Nanjing Univ Aeronaut & Astronaut, Coll Aerosp Engn, State Key Lab Mech & Control Mech Struct, Nanjing, Jiangsu, Peoples R China
关键词
Craze; stress intensity factor; craze-inclusion interaction; fracture toughness; particulate-polymer composites; NONLINEAR-ANALYSIS; EQUILIBRIUM CRAZE; FILLER PARTICLES; INCLUSION SIZE; DEFORMATION; TOUGHNESS; TOUGHENABILITY;
D O I
10.1080/14786435.2018.1438681
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In polymeric composites, well-defined inclusions are incorporated into the polymer matrix to alleviate the brittleness of polymers. When a craze is initiated in such a composite, the interaction between the craze and the surrounding inclusions will greatly affect the composite's mechanical behaviours and toughness. To the best knowledge of the authors, only little research work has been found so far on the interaction between a craze and the near-by inclusions in particulate-polymer composites. In the current study, the first time, the influences of the surrounding inclusions on the craze are investigated in particulate-polymer composites. The three-phase model is adopted to study the fracture behaviours of the craze affected by multiple inclusions. An iterative procedure is proposed to solve the stress intensity factors. Parametric studies are performed to investigate the influences of the reinforcing particle volume fraction and the shear modulus ratio on fracture behaviours of particulate-polymer composites.
引用
收藏
页码:1376 / 1396
页数:21
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