Modelling of the structure-property relationships in the α-quartz structures

被引:0
|
作者
Yao, Yongtao [1 ,2 ]
Alderson, Kim [2 ]
Alderson, Andrew [2 ]
Leng, Jinsong [1 ]
机构
[1] Harbin Inst Technol, Natl Key Lab Sci & Technol Adv Composites Special, Harbin 150080, Peoples R China
[2] Univ Bolton, Ctr Mat Res & Innovat, Bolton BL3 5AB, England
关键词
Auxetic; negative Poisson's ratio; alpha-quartz; molecular modeling; NEGATIVE POISSONS RATIO; BEHAVIOR; FOAMS; CRISTOBALITE; MECHANISMS;
D O I
10.1117/12.2009484
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The molecular mechanism has been employed to model the structure-property relationships of auxetic material with tetrahedral framework at the atomistic level. The germania alpha-quartz subject uniaxial stress loading in z direction will be investigated. The strain-dependent structure and mechanical properties will be predicted from the force field based simulations, including the transformation from positive-to-negative Poisson's ratio behaviour and vice versa.
引用
收藏
页数:8
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