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Private member DiscussionAcoustic Builds

Interesting article about the velocity of sound of epoxy plus glass beeds

https://www.sciencedirect.com/science/article/abs/pii/S0022369719307097#:~:text=The%20results%20show%20that%20the,that%20of%20the%20epoxy%20resin.

articlesbuildingepoxymaterial science
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TLDR: The specific acoustic impedance of the composite is 0.72 × 10⁶ rayl when the HGM content is 20 wt%, 70% lower than that of the epoxy resin. The minimum acoustic attenuation coefficient of the co…