Effect of Thermal Treatment on Fracture Properties and Adsorption Properties of Spruce Wood
Abstract
:1. Introduction
2. Materials and Methods
2.1. Thermal Treatment
2.2. Fracture Test
2.2. Moisture Adsorption Isotherm
3. Results and Discussion
3.1. Fracture Properties
3.1.1. Fracture Energy and Weight Loss on Thermal Treatment
Specimen | Density * | Non-heated | 130 °C | 150 °C | 170 °C | 200 °C |
---|---|---|---|---|---|---|
RL system | 390 kg/m3 | 251 | 293 | 214 | 270 | 255 |
TL system | 470 kg/m3 | 182 | 175 | 154 | 150 | 115 |
3.1.2. Maximum Load and Strain-Softening Index
3.2. Adsorption Properties
Adsorption property | Fracture energy | Maximum load | Strain-softening index |
---|---|---|---|
Fiber saturation point | 0.943 | 0.670 | 0.914 |
Modified adsorption coefficient | 0.718 | 0.769 | 0.542 |
Number of adsorption site | 0.855 | 0.834 | 0.885 |
3.2.1. Fiber Saturation Point
3.2.2. Langmuir’s Modified Adsorption Coefficient
3.2.3. Adsorption Site Estimated by Hailwood–Horrobin Adsorption Equation
4. Conclusions
Conflicts of Interest
References
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Murata, K.; Watanabe, Y.; Nakano, T. Effect of Thermal Treatment on Fracture Properties and Adsorption Properties of Spruce Wood. Materials 2013, 6, 4186-4197. https://doi.org/10.3390/ma6094186
Murata K, Watanabe Y, Nakano T. Effect of Thermal Treatment on Fracture Properties and Adsorption Properties of Spruce Wood. Materials. 2013; 6(9):4186-4197. https://doi.org/10.3390/ma6094186
Chicago/Turabian StyleMurata, Koji, Yasuhiro Watanabe, and Takato Nakano. 2013. "Effect of Thermal Treatment on Fracture Properties and Adsorption Properties of Spruce Wood" Materials 6, no. 9: 4186-4197. https://doi.org/10.3390/ma6094186