Abstract
In this study, the effect of silicone oil thermal modification at different treatment temperatures (150 oC, 180 oC and 210 oC for 2 h and 4 h.) on the mechanical properties of masson pine (Pinus massoniana L.) wood was investigated. The density, modulus of elasticity (MOE), modulus of rupture (MOR), impact bending, compressive strength, and hardness of silicone oil thermal treated samples were evaluated and compared with those of untreated samples. Results showed the mechanical properties of masson pine wood reduces after silicone oil thermal modification. The higher the modification temperature, the lower the mechanical properties of Mason pine wood. At 210 oC for 4 h, mechanical properties of the modified samples were two times lower than the mechanical properties of the untreated. Higher modification temperature and longer treatment time contributed to lower mechanical properties
Highlights
Wood is one of the most regularly used materials in several engineering and structural applications because of its distinctive properties with its capacity to be shaped and fastened with adhesives, low thermal extension, good shock resistance and sufficiently high mechanical strength (Bal and Bektaş 2013, Bekhta and Niemz 2003, Tomak et al 2011)
This study aimed at investigating the effect of silicone oil thermal modification at different treatment temperature and time on mechanical properties such as modulus of elasticity (MOE), modulus of rupture (MOR), impact bending and compressive strength as well as density of Masson pine wood
The results show that the treatment temperature had an effect on the density of the wood
Summary
Wood is one of the most regularly used materials in several engineering and structural applications because of its distinctive properties with its capacity to be shaped and fastened with adhesives, low thermal extension, good shock resistance and sufficiently high mechanical strength (Bal and Bektaş 2013, Bekhta and Niemz 2003, Tomak et al 2011). Due to the desirable features of wood as a renewable raw material, its environmental adaptability, and excellent mechanical properties, it is one of the construction materials widely used globally for decoration, furniture, and other applications because of its extraordinary range of attractive properties (Bekhta and Niemz 2003). Despite the excellent performance of wood, it has some detrimental characteristics such as hygroscopicity, anisotropic, dimensional instability, and poor decay resistance which limit its usage.
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