Non-Destructive Testing on Six Tropical Woods using Ultrasonic Method

Abstract

Non destfucti\e testing (NDT) using ultrasonic method was carried out on six ';"pical wood species consisting of four hardwood species, Sengon (Paraserianthes ,;/cataria). ~Ieranti (Shorea sp.), Manii (Maesopsis eminii) and Mangium (Acacia iilangium), and two softwood species. Agathis (Agathis loranthifolia) and Pine (Pinus merkusii). The ultrasonic velocities propagation was measured to determine the dynamic modulus of elasticity Cvl0Ed). Static modulus of elasticity (MOEs) and e :i10dulus ofruprure (~IOR) were also obseryed. t. The obje.:ti\·e of this study \yas to obtain correlations between dynamic test by ~lltrasonic (\IOEd I and static bending test (MOEs and MOR) on small clear wood :pecimens.