Wood Friction Characteristics during Exposure to High Pressure: Influence of Moisture Content of Wood

作者：Seki Masako^*; Sugimoto Hiroyuki; Miki Tsunehisa; Kanayama Kozo; Furuta Yuzo

来源：Mokuzai Gakkaishi, 2012, 58(6): 302-308.

DOI：10.2488/jwrs.58.302

• friction coefficient
• high pressure
• moisture content
• deforming characteristic

Friction between wood and metal is an important factor in the wood deforming process. To investigate the friction characteristics under high pressure conditions (above 1 MPa) which are generated during deforming processing, we examined the influence of the moisture content of wood. The friction coefficients were measured in various normal loads N (1. 5. 10 kN). The value of friction coefficients during sliding (mu(s)) increased with moisture content of the wood sample. mu(s) of water swollen wood decreased since water acts as a lubricant. mu(s) decreased by the wood deformation. However, mu(s) increased as the wood was more compressed. These results suggested that the friction characteristics during exposure to high pressure are greatly affected by deformation characteristics of wood. On the other hand, it appeared that mu(s) affected the wood deformation.

• 出版日期2012