A homogenization scheme for viscoplastic composites based on the plane-wave decomposition of constitutive potentials

被引：0
|
作者：
Idiart, Martin I. [1 ,2 ]
Chaix, Loic
Castaneda, Pedro Ponte
机构：
[1] Univ Nacl La Plata, Fac Ingn, Ctr Tecnol Aerosp, Avda 1 Esq 47 S-N, RA-B1900TAG La Plata, Argentina
[2] Consejo Nacl Invest Cient & Tecn CONICET, CCT La Plata, CCT La Plata,Calle 8 1467, RA-B1904CMC La Plata, Argentina
来源：
MECHANICS RESEARCH COMMUNICATIONS | 2024年 / 142卷
关键词：
Composites; Viscoplasticity; Homogenization; Nonlinearity; Plane-wave decomposition; EFFECTIVE MECHANICAL-PROPERTIES; LINEAR COMPARISON BOUNDS; FIELD FLUCTUATIONS; POLYCRYSTALLINE SOLIDS; NONLINEAR COMPOSITES; ANISOTROPIC PHASES; PLASTIC STRENGTH; BEHAVIOR; DEFORMATION; CREEP;
D O I：
10.1016/j.mechrescom.2024.104349
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A homogenization scheme for nonlinear viscoplastic composites is developed on the basis of a plane-wave decomposition of the constitutive potentials and a scalar linearization of the generalized-secant type. Self- consistent predictions for rigidly reinforced blends flowing in accordance with a power law are reported and confronted to similar predictions obtained with a tensorial linearization of the same generalized-secant type. The two sets of predictions are found to agree for weak nonlinearities but to diverge for strong nonlinearities. Implications are discussed.
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页数：6
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