On the Thermal Buckling of Simply Supported Rectangular Plates Made of a Sigmoid Functionally Graded Al/Al2O3 Based Material

被引：16
|
作者：
Atmane, H. A. [1 ,2 ]
Bedia, E. A. A. [1 ]
Bouazza, M. [1 ,3 ]
Tounsi, A. [1 ]
Fekrar, A. [1 ]
机构：
[1] Univ Djillali Liabes Sidi Bel Abbes, Lab Mat & Hydrol, BP 89 Cite Ben Mhidi, Sidi Bel Abbes 22000, Algeria
[2] Univ Hassiba Benbouali Chlef, Fac Sci Ingn, Dept Genie Civil, Chlef, Algeria
[3] Univ Bechar, Dept Genie Civil, Bechar 08000, Algeria
来源：
MECHANICS OF SOLIDS | 2016年 / 51卷 / 02期
关键词：
S-FGM plate; Al/Al2O3; buckling; aspect ratio; temperature; material gradient index; EDGE CRACK; STRESS; TIP;
D O I：
10.3103/S0025654416020059
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
We study the thermal buckling of a simply supported sigmoid functionally graded (SFGM) rectangular plate using first-order shear deformation theory. The S-FGM system consists of ceramic (Al2O3) and metal (Al) phases varying across the plate thickness according to a law described by two power-law functions. The effective properties of the composite are determined by the rule of mixtures, whose implementation is simpler than that of methods of micromechanics. The thermal heating is characterized by a uniform, linear, or sinusoidal temperature distribution across the plate thickness. The effects of the plate aspect ratio, the relative thickness, the gradient index, and the transverse shear on the buckling temperature difference are studied.
引用
收藏
页码：177 / 187
页数：11
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