Article ID Journal Published Year Pages File Type
830419 Materials & Design (1980-2015) 2013 8 Pages PDF
Abstract

The objective of the study was to investigate the influence of heat treatment and exposure time on surface roughness, wettability, shear strength and hardness of rubberwood, Eastern redcedar and red oak samples. The anatomical structure of each species was also observed using scanning electron microscope (SEM). All specimens were exposed to two different temperature levels, namely 120 °C and 190 °C for 2 and 8 h. Red oak samples had the most enhanced surface quality along with less wettability characteristics followed by rubberwood and Eastern redcedar specimens as function of increased heat exposure. On the other hand, it appears that heat exposure adversely affected shear strength and hardness properties of all three types of samples. These two properties of heat treated samples had reduction values ranging from 52.7% to 69.4% and 10.8% to 33.3%, respectively as compared to those of control samples.

► Effects of heat treatment on physical and mechanical properties of wood. ► Surface quality, wettability, hardness, and shear strength of heat treated wood. ► Wettability of the samples was enhanced by heat treatment process. ► Cell wall structure was adversely influenced by the heat treatment.

Related Topics
Physical Sciences and Engineering Engineering Engineering (General)
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