Plackett-Burman Analysis of Glass Microballoon Filled Syntactic Foams
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Syntactic foams are an important category of composite materials that have abundant applications in a wide variety of fields. The current study utilized a Plackett-Burman (PB) experimental design to investigate the main effects of six variables on properties of syntactic foams formulated from a silicone elastomer and glass microballoons(MB). Findings from this investigation are meant to identify the most significant variables with respect to foam properties. Eight foam samples were created and tested using thermal, physical and mechanical techniques. The data from these tests was then evaluated using a Plackett-Burman response coefficient calculation (RCC). This calculation was applied to determine the statistical significance of the selected variables by comparison with a dummy variable. The data suggests that thermal properties, such as glass transition temperature and coefficient of thermal expansion, do not rely on any of the studied variables. Physical and mechanical measurements however were found to depend heavily on the matrix composition and the vacuum pressure used during mixing. Some variables were found to have little to no effect on any of the studied properties. Ultimately, this data could be used to formulate a comprehensive catalogue of syntactic foams based on their compositions. This type of database would allow customers in industry to identify which syntactic foam would best fit their application according to one or two properties.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC52-06NA25396
- OSTI ID:
- 1150667
- Report Number(s):
- LA-UR-14-26629
- Country of Publication:
- United States
- Language:
- English
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