Comments on the Testing and Management of Plastics Material Data

Plastics appeared as design materials of choice about 30 years ago. Their multi-variable, non-linear nature was not well understood by engineers trained to work in a linear elastic world. We discuss challenges related to processes such as injection molding vs. blow-molding; filled plastics; and modeling for crash applications. We include findings related to volumetric yield and its relationship to failure. We describe material database technology that was created to store multi-variable data and the analytical tools created to help the CAE engineer understand and use plastics material data.

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