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Composite molding compound replaces Invar for lightweight small satellite structures!
Patz Materials and Technologies and Lawrence Livermore National Laboratory developed a new monolithic optics housing with 80% less weight, near-zero CTE and the high-volume manufacturing required for commercial space!
"In 2021, Patz Materials and LLNL teamed up to replace Invar in these monolithic optic housings with a molding compound comprising PMT-F16 epoxy resin modified with carbon nanotubes (CNT) and reinforced with 6K tow high modulus carbon fiber with 60% fiber content. The project demonstrated not only the ability to meet all metallic housing performance requirements at a fraction of the weight, but also provided even further benefits when the housing was redesigned to take advantage of the composite material and molding process."
Source:managingcomposites/thenativelab
"In 2021, Patz Materials and LLNL teamed up to replace Invar in these monolithic optic housings with a molding compound comprising PMT-F16 epoxy resin modified with carbon nanotubes (CNT) and reinforced with 6K tow high modulus carbon fiber with 60% fiber content. The project demonstrated not only the ability to meet all metallic housing performance requirements at a fraction of the weight, but also provided even further benefits when the housing was redesigned to take advantage of the composite material and molding process."
Source:managingcomposites/thenativelab
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