Heterostrain refers to a type of strain that is not uniform throughout a material or structure, often resulting from differential expansion or contraction due to various factors such as temperature changes, phase transformations, or the presence of different materials. In materials science and engineering, heterostrain can occur in composites or layered materials where each layer or component may respond differently to external forces or environmental conditions. This phenomenon can lead to complex stress distributions, which can affect the mechanical properties, durability, and performance of materials.
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