The ratio of epoxy resin to hardener used was 2:1. The mixing of WO3 powder in epoxy resin was done through gentle stirring using a stirring machine at constant speed for 15 min to ensure uniform dispersion of the powder in epoxy matrix.
The ratio of epoxy resin to hardener used was 2:1. The mixing of WO3 powder in epoxy resin was done through gentle stirring using a stirring machine at constant speed for 15 min to ensure uniform dispersion of the powder in epoxymatrix.