PENGARUH BENTUK LUBANG PADA INTI OPENED CELL FOAM BAMBU KOMPOSIT SANDWICH TE…

In this research, bamboo is used as core raw material of composite sandwich. The form of the core is varied by giving circle and square holes. Polyester use as matrix and plywood use as skin. Fiber volume fraction of 15% by weight, with length of fiber is 30 mm, the distance between holes is 40 mm. Tests performed is tensile strength refers to standard ASTM C279, shear strength refers to st…