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本文提请注意;单相均匀粘弹性介质的体积不可压缩或体积改变是弹性的假设不能推广用于多相介质的复合材料.文章对空心微珠复合塑料的体积松驰性质定量地说明了这一结论.
This paper draws attention to the fact that the volume of a single phase homogeneous viscoelastic medium is incompressible or the volume change is elastic assuming that it can not be generalized for composite materials used in multiphase media.The volume relaxation properties of hollow microbead composites quantitatively illustrate this in conclusion.