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Title: Mechanical properties of a structural polyurethane foam and the effect of particulate loading

Technical Report ·
DOI:https://doi.org/10.2172/650182· OSTI ID:650182

The room temperature mechanical properties of a closed-cell, polyurethane encapsulant foam have been measured as a function of foam density. Tests were performed on both unfilled and filler reinforced specimens. Over the range of densities examined, the modulus of the unloaded foam could be described by a power-law relationship with respect to density. This power-law relationship could be explained in terms of the elastic compliance of the cellular structure of the foam using a simple geometric model found in the literature. The collapse stress of the foam was also found to exhibit a power-law relationship with respect to density. Additions of an aluminum powder filler increased the modulus relative to the unfilled foam.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE Office of Energy Research, Washington, DC (United States)
DOE Contract Number:
AC04-94AL85000
OSTI ID:
650182
Report Number(s):
SAND-98-8549C; CONF-980405-; ON: DE98052861; TRN: AHC2DT04%%94
Resource Relation:
Conference: Spring meeting of the Materials Research Society, San Francisco, CA (United States), 13-17 Apr 1998; Other Information: PBD: Apr 1998
Country of Publication:
United States
Language:
English